2012 |
Díaz-Sánchez, Laura; Núñez-Redó, Manuela; González, David; Gil-Altaba, José; Aragó-Galindo, Pau; Pultar, Edward; Huerta-Guijarro, Joaquín Interoperable Search Mechanisms for Web 2.0 Resources Journal Article International Journal of Spatial Data Infrastructures Research, 7 , pp. 277–299, 2012, ISSN: 1725-0463. Abstract | Links | BibTeX | Tags: Citizen Science, EUROGEOSS, Interoperability, Open Search, VGI, Web 2.0, Web Services @article{DiazSanchez2012b, title = {Interoperable Search Mechanisms for Web 2.0 Resources}, author = { Laura Díaz-Sánchez and Manuela Núñez-Redó and David González and José Gil-Altaba and Pau Aragó-Galindo and Edward Pultar and Joaquín Huerta-Guijarro}, url = {http://hdl.handle.net/10234/62495}, doi = {10.2902/}, issn = {1725-0463}, year = {2012}, date = {2012-01-01}, journal = {International Journal of Spatial Data Infrastructures Research}, volume = {7}, pages = {277--299}, abstract = {We are currently witnessing ordinary citizens willing to share geospatial information using friendly and easy-to use tools provided by Web 2.0 platforms. These platforms act as social networks describing events with large social impacts. Social networks are filled with volunteered information before, during, and after events that occur near human settlements and urban areas. The amount of this geolocated information is increasing due to the increase of location-aware devices that allow users in the field to share knowledge about an event's evolution and impact. In order to retrieve this information one interacts with the different search mechanisms provided by various Web 2.0 services. This paper explores how to improve the interoperability of these various Web 2.0 platforms by providing a single service as a unique entry. This paper demonstrates the utility of the Open Geospatial Consortium's Open Search Geospatial and Time specification as an interface for a service that searches, retrieves and aggregates information available in different Web 2.0 services. We present how this information is useful in complementing other official and scientific information sources by providing an alternative, contemporary source of information. We demonstrate this with a proof of concept presented in a forest fire scenario. The intrinsic interoperability of the system is reflected in the collaborations shown with different information systems such as those at the biodiversity and forestry units in the Institute of Environment and Sustainability at the Joint Research Centre.}, keywords = {Citizen Science, EUROGEOSS, Interoperability, Open Search, VGI, Web 2.0, Web Services}, pubstate = {published}, tppubtype = {article} } We are currently witnessing ordinary citizens willing to share geospatial information using friendly and easy-to use tools provided by Web 2.0 platforms. These platforms act as social networks describing events with large social impacts. Social networks are filled with volunteered information before, during, and after events that occur near human settlements and urban areas. The amount of this geolocated information is increasing due to the increase of location-aware devices that allow users in the field to share knowledge about an event's evolution and impact. In order to retrieve this information one interacts with the different search mechanisms provided by various Web 2.0 services. This paper explores how to improve the interoperability of these various Web 2.0 platforms by providing a single service as a unique entry. This paper demonstrates the utility of the Open Geospatial Consortium's Open Search Geospatial and Time specification as an interface for a service that searches, retrieves and aggregates information available in different Web 2.0 services. We present how this information is useful in complementing other official and scientific information sources by providing an alternative, contemporary source of information. We demonstrate this with a proof of concept presented in a forest fire scenario. The intrinsic interoperability of the system is reflected in the collaborations shown with different information systems such as those at the biodiversity and forestry units in the Institute of Environment and Sustainability at the Joint Research Centre. |
Díaz-Sánchez, Laura; Granell-Canut, Carlos Introducción a las arquitecturas orientadas a servicios en el contexto de IDE Book Chapter Bernabé-Poveda, Miguel Ángel; López-Vázquez, Carlos Manuel (Ed.): Fundamentos de las infraestructuras de datos espaciales, Chapter 23, pp. 299-308, Universidad Politécnica de Madrid, Madrid, 2012, ISBN: 978-84-939196-6-5. Abstract | BibTeX | Tags: Resource-oriented architectures, Spatial Data Infrastructures (SDI), web services @inbook{DiazSanchez2012, title = {Introducción a las arquitecturas orientadas a servicios en el contexto de IDE}, author = { Laura Díaz-Sánchez and Carlos Granell-Canut}, editor = {Miguel Ángel Bernabé-Poveda and Carlos Manuel López-Vázquez}, isbn = {978-84-939196-6-5}, year = {2012}, date = {2012-01-01}, booktitle = {Fundamentos de las infraestructuras de datos espaciales}, pages = {299-308}, publisher = {Universidad Politécnica de Madrid}, address = {Madrid}, chapter = {23}, abstract = {El paradigma de computación distribuida orientada a servicios tiene su origen en un conjunto de principios y patrones de diseño en torno al concepto de servicio. Es conocido genéricamente como Arquitectura Orientada a Servicios (SOA). En SOA los servicios desempeñan un papel fundamental, ya que son las unidades básicas de computación y actúan como un engranaje que permite la creación de servicios mucho más complejos en términos de interacción y funcionalidad, que a su vez pueden reutilizarse para el desarrollo de aplicaciones distribuidas basadas en servicios. Este capítulo pone de mani!esto la similitud entre la arquitectura SOA y las IDE. De hecho, las IDE del presente se pueden considerar como un buen ejemplo del paradigma SOA, visto como un diseño e implementación concreta de los principios SOA, y en especial, en el concepto de servicio como unidad de computación. Por lo tanto, cualquier estudio, proyecto o aplicación que se base o extienda funcionalmente una IDE debe de tener en cuenta el diseño básico de servicio, sobre el que derivan la mayoría de las actuales implementaciones de una IDE. Para comprender la implicación de SOA en el mundo de la IDE, este capítulo introduce en primer lugar los principios básicos de SOA, describe el modelo de interacción entre consumidores, proveedores y registros de servicios, y detalla las principales funciones de estos tres participantes. Como complemento práctico a los principios y conceptos genéricos expuestos, el capítulo describe a continuación las principales tecnologías web que sustentan una arquitectura SOA. La pila de tecnologías web se puede estructurar en diferentes capas según la funcionalidad que desempeñan. Para cada capa o funcionalidad básica que puede formar parte de una aplicación SOA, se describe la tecnología web predominante. Posteriormente, este capítulo describe brevemente la aplicación del estilo SOA al dominio geoespacial en términos de IDE y servicios geoespaciales. La extensa gama de interfaces de servicios web geográ!cos de!nidos por el OGC pone de mani!esto su vinculación con el concepto de servicio en SOA. Finalmente, el capitulo menciona otros estilos arquitectónicos emergentes que pueden coexistir en un futuro con el diseño SOA para la implementación de las IDE.}, keywords = {Resource-oriented architectures, Spatial Data Infrastructures (SDI), web services}, pubstate = {published}, tppubtype = {inbook} } El paradigma de computación distribuida orientada a servicios tiene su origen en un conjunto de principios y patrones de diseño en torno al concepto de servicio. Es conocido genéricamente como Arquitectura Orientada a Servicios (SOA). En SOA los servicios desempeñan un papel fundamental, ya que son las unidades básicas de computación y actúan como un engranaje que permite la creación de servicios mucho más complejos en términos de interacción y funcionalidad, que a su vez pueden reutilizarse para el desarrollo de aplicaciones distribuidas basadas en servicios. Este capítulo pone de mani!esto la similitud entre la arquitectura SOA y las IDE. De hecho, las IDE del presente se pueden considerar como un buen ejemplo del paradigma SOA, visto como un diseño e implementación concreta de los principios SOA, y en especial, en el concepto de servicio como unidad de computación. Por lo tanto, cualquier estudio, proyecto o aplicación que se base o extienda funcionalmente una IDE debe de tener en cuenta el diseño básico de servicio, sobre el que derivan la mayoría de las actuales implementaciones de una IDE. Para comprender la implicación de SOA en el mundo de la IDE, este capítulo introduce en primer lugar los principios básicos de SOA, describe el modelo de interacción entre consumidores, proveedores y registros de servicios, y detalla las principales funciones de estos tres participantes. Como complemento práctico a los principios y conceptos genéricos expuestos, el capítulo describe a continuación las principales tecnologías web que sustentan una arquitectura SOA. La pila de tecnologías web se puede estructurar en diferentes capas según la funcionalidad que desempeñan. Para cada capa o funcionalidad básica que puede formar parte de una aplicación SOA, se describe la tecnología web predominante. Posteriormente, este capítulo describe brevemente la aplicación del estilo SOA al dominio geoespacial en términos de IDE y servicios geoespaciales. La extensa gama de interfaces de servicios web geográ!cos de!nidos por el OGC pone de mani!esto su vinculación con el concepto de servicio en SOA. Finalmente, el capitulo menciona otros estilos arquitectónicos emergentes que pueden coexistir en un futuro con el diseño SOA para la implementación de las IDE. |
De-Carvalho, Carolina; Iglesias, Rubio; Miguel, José; Díaz-Sánchez, Laura; Angel, Miguel La aportación española en el Proyecto EuroGEOSS : Hacia un Sistema de Observación Ambiental de la Tierra Journal Article Revista catalana de geografía, XVII (44), 2012, ISSN: 1988-2459. Links | BibTeX | Tags: earth observation, EUROGEOSS @article{Carvalho2012, title = {La aportación española en el Proyecto EuroGEOSS : Hacia un Sistema de Observación Ambiental de la Tierra}, author = { Carolina De-Carvalho and Rubio Iglesias and José Miguel and Laura Díaz-Sánchez and Miguel Angel}, url = {http://repositori.uji.es/xmlui/handle/10234/159891}, issn = {1988-2459}, year = {2012}, date = {2012-01-01}, journal = {Revista catalana de geografía}, volume = {XVII}, number = {44}, keywords = {earth observation, EUROGEOSS}, pubstate = {published}, tppubtype = {article} } |
Buczowski, Aleksander Location-based Marketing: the academic framework Masters Thesis Universitat Jaume I, 2012. BibTeX | Tags: geolocation @mastersthesis{Buczowski2012, title = {Location-based Marketing: the academic framework}, author = { Aleksander Buczowski}, editor = {Miguel Neto (supervisor) and Michael Gould (co-supervisor) and Christian Kray (co-supervisor) }, year = {2012}, date = {2012-01-01}, school = {Universitat Jaume I}, keywords = {geolocation}, pubstate = {published}, tppubtype = {mastersthesis} } |
Santoro, Mattia; Mazzetti, Paolo; Nativi, Stefano; Fugazza, Cristiano; Granell-Canut, Carlos; Díaz-Sánchez, Laura Methodologies for augmented discovery of geospatial resources Book Chapter Díaz-Sánchez, Laura; Granell-Canut, Carlos; Huerta-Guijarro, Joaquín (Ed.): Discovery of Geospatial Resources: Methodologies, Technologies, and Emergent Applications, Chapter 9, pp. 172-203, IGI Global, 2012, ISBN: 9781466609457. Abstract | BibTeX | Tags: geospatial data @inbook{Santoro2012, title = {Methodologies for augmented discovery of geospatial resources}, author = { Mattia Santoro and Paolo Mazzetti and Stefano Nativi and Cristiano Fugazza and Carlos Granell-Canut and Laura Díaz-Sánchez}, editor = {Laura Díaz-Sánchez and Carlos Granell-Canut and Joaquín Huerta-Guijarro}, isbn = {9781466609457}, year = {2012}, date = {2012-01-01}, booktitle = {Discovery of Geospatial Resources: Methodologies, Technologies, and Emergent Applications}, pages = {172-203}, publisher = {IGI Global}, chapter = {9}, abstract = {Different strategies can be adopted in order to enable new ways of searching geospatial resources, leveraging the Semantic Web and Web 2.0 technologies. The authors propose a Discovery Augmentation Methodology which is essentially driven by the idea of enriching the searchable information that is associated with geospatial resources. They describe and discuss three different high-level approaches for discovery augmentation: Provider-based, User-based, and Third-party based. From the analysis of these approaches, the authors suggest that, due to their flexibility and extensibility, the user-based and the third-party based approaches result more appropriate for heterogeneous and changing environments such as the SDI one. For the user-based approach, they describe a conceptual architecture and the main components centered on the integration of user-generated content in SDIs. For the third-party approach, the authors describe an architecture enabling semantics-based searches in SDIs.}, keywords = {geospatial data}, pubstate = {published}, tppubtype = {inbook} } Different strategies can be adopted in order to enable new ways of searching geospatial resources, leveraging the Semantic Web and Web 2.0 technologies. The authors propose a Discovery Augmentation Methodology which is essentially driven by the idea of enriching the searchable information that is associated with geospatial resources. They describe and discuss three different high-level approaches for discovery augmentation: Provider-based, User-based, and Third-party based. From the analysis of these approaches, the authors suggest that, due to their flexibility and extensibility, the user-based and the third-party based approaches result more appropriate for heterogeneous and changing environments such as the SDI one. For the user-based approach, they describe a conceptual architecture and the main components centered on the integration of user-generated content in SDIs. For the third-party approach, the authors describe an architecture enabling semantics-based searches in SDIs. |
García-Martí, Irene; Rodríguez-Pupo, Luis Enrique; Benedito-Bordonau, Mauricia; Trilles-Oliver, Sergio; Beltrán-Fonollosa, Arturo; Díaz-Sánchez, Laura; Huerta-Guijarro, Joaquín Mobile Application for Noise Pollution Monitoring through Gamification Techniques Inproceedings Herrlich, M; Malaka, R; Masuch, M (Ed.): ICEC 2012 entertainment computing, pp. 562-571, Springer, 2012, ISSN: 0302-9743. Abstract | Links | BibTeX | Tags: Gamification, Mobile apps, noise pollution @inproceedings{GarciaMarti2012, title = {Mobile Application for Noise Pollution Monitoring through Gamification Techniques}, author = {Irene García-Martí and Luis Enrique Rodríguez-Pupo and Mauricia Benedito-Bordonau and Sergio Trilles-Oliver and Arturo Beltrán-Fonollosa and Laura Díaz-Sánchez and Joaquín Huerta-Guijarro}, editor = {M. Herrlich and R. Malaka and M. Masuch}, url = {http://link.springer.com/10.1007/978-3-642-33542-6_74}, doi = {10.1007/978-3-642-33542-6_74}, issn = {0302-9743}, year = {2012}, date = {2012-01-01}, booktitle = {ICEC 2012 entertainment computing}, pages = {562-571}, publisher = {Springer}, abstract = {Full data coverage of urban environments is crucial to monitor the status of the area to detect, for instance, trends and detrimental environmental changes. Collecting observations related to environmental factors such as noise pollution in urban environments through classical approaches implies the deployment of Sensor Networks. The cost of deployment and maintenance of such infrastructure might be relatively high for local and regional governments. On the other hand recent mass-market mobile devices such as smartphones are full of sensors. For instance, it is possible to perform measurements of noise through its microphone. Therefore they become low-cost measuring devices that many citizens have in their pocket. In this paper we present an approach for gathering noise pollution data by using mobile applications. The applications are designed following gamification techniques to encourage users to participate using their personal smartphones. In this way the users are involved in taking and sharing noise pollution measurements in their cities that other stakeholders can use in their analysis and decision making processes}, keywords = {Gamification, Mobile apps, noise pollution}, pubstate = {published}, tppubtype = {inproceedings} } Full data coverage of urban environments is crucial to monitor the status of the area to detect, for instance, trends and detrimental environmental changes. Collecting observations related to environmental factors such as noise pollution in urban environments through classical approaches implies the deployment of Sensor Networks. The cost of deployment and maintenance of such infrastructure might be relatively high for local and regional governments. On the other hand recent mass-market mobile devices such as smartphones are full of sensors. For instance, it is possible to perform measurements of noise through its microphone. Therefore they become low-cost measuring devices that many citizens have in their pocket. In this paper we present an approach for gathering noise pollution data by using mobile applications. The applications are designed following gamification techniques to encourage users to participate using their personal smartphones. In this way the users are involved in taking and sharing noise pollution measurements in their cities that other stakeholders can use in their analysis and decision making processes |
Trilles-Oliver, Sergio; Díaz-Sánchez, Laura; Huerta-Guijarro, Joaquín Monitorización de datos de calidad de aire Inproceedings JIDEE 2012: III Jornadas Ibéricas de las infraestructuras de datos espaciales. Madrid, Octubre 2012, 2012. Abstract | Links | BibTeX | Tags: Air quality sensors, Sensors, Spatial Data Infrastructures (SDI) @inproceedings{TrillesOliver2012a, title = {Monitorización de datos de calidad de aire}, author = {Sergio Trilles-Oliver and Laura Díaz-Sánchez and Joaquín Huerta-Guijarro}, url = {http://hdl.handle.net/10234/160173}, year = {2012}, date = {2012-01-01}, booktitle = {JIDEE 2012: III Jornadas Ibéricas de las infraestructuras de datos espaciales. Madrid, Octubre 2012}, abstract = {Cada vez más somos testigos del despliegue de redes de sensores que miden el estado del entorno en el que vivimos. Estas redes aportan grandes volúmenes de información en formatos y escalas muy diversas. Encontramos ejemplos de datos de diversa naturaleza, desde condiciones climáticas, hasta concentraciones de elementos contaminantes debido a la actividad humana como el transporte, y la industria. En este trabajo describimos como la publicación de estos datos mediante servicios que proporcionen un acceso estructurado y basado en estándares permite una mejor integración de estos datos, tanto para su visualización desde diversas plataformas (web o móvil) como para su consumo mediante procesos de análisis que permitan extraer valor añadido y asistir en la toma de decisiones. Uno de los principales objetivos es incrementar la interoperabilidad de acceso a estos datos y que un usuario a través de diferentes dispositivos pueda conocer en tiempo real las condiciones de una ubicación concreta}, keywords = {Air quality sensors, Sensors, Spatial Data Infrastructures (SDI)}, pubstate = {published}, tppubtype = {inproceedings} } Cada vez más somos testigos del despliegue de redes de sensores que miden el estado del entorno en el que vivimos. Estas redes aportan grandes volúmenes de información en formatos y escalas muy diversas. Encontramos ejemplos de datos de diversa naturaleza, desde condiciones climáticas, hasta concentraciones de elementos contaminantes debido a la actividad humana como el transporte, y la industria. En este trabajo describimos como la publicación de estos datos mediante servicios que proporcionen un acceso estructurado y basado en estándares permite una mejor integración de estos datos, tanto para su visualización desde diversas plataformas (web o móvil) como para su consumo mediante procesos de análisis que permitan extraer valor añadido y asistir en la toma de decisiones. Uno de los principales objetivos es incrementar la interoperabilidad de acceso a estos datos y que un usuario a través de diferentes dispositivos pueda conocer en tiempo real las condiciones de una ubicación concreta |
Aragó-Galindo, Pau; Granell-Canut, Carlos; Molin, Paulo Guilherme; Huerta-Guijarro, Joaquín Participative site-specific agriculture analysis for smallholders Journal Article Precision Agriculture, 13 (5), pp. 594–610, 2012, ISSN: 1385-2256, (IF: 1.728, Q1). Abstract | Links | BibTeX | Tags: Geographic Information Systems (GIS), Participatory GIS @article{AragoGalindo2012a, title = {Participative site-specific agriculture analysis for smallholders}, author = { Pau Aragó-Galindo and Carlos Granell-Canut and Paulo Guilherme Molin and Joaquín Huerta-Guijarro}, url = {http://hdl.handle.net/10234/66255}, doi = {10.1007/s11119-012-9267-4}, issn = {1385-2256}, year = {2012}, date = {2012-01-01}, journal = {Precision Agriculture}, volume = {13}, number = {5}, pages = {594--610}, abstract = {Site-specific agriculture has been adopted in a high-tech context using, for instance, in situ sensors, satellite images for remote sensing analysis, and some other technological devices. However, farmers and smallholders without the economic resources and required knowledge to use and to access the latest technology seem to find an impediment to precision agricultural practices. This article discusses the possibility of adopting precision agriculture (PA) principles for site-specific management but in a low technology context for such farmers. The proposed methodology to support PA combines low technology dependency and a participatory approach by involving smallholders, farmers and experts. The case studies demonstrate how the interplay of low technology and a participative approach may be suitable for smallholders for site-specific agriculture analysis.}, note = {IF: 1.728, Q1}, keywords = {Geographic Information Systems (GIS), Participatory GIS}, pubstate = {published}, tppubtype = {article} } Site-specific agriculture has been adopted in a high-tech context using, for instance, in situ sensors, satellite images for remote sensing analysis, and some other technological devices. However, farmers and smallholders without the economic resources and required knowledge to use and to access the latest technology seem to find an impediment to precision agricultural practices. This article discusses the possibility of adopting precision agriculture (PA) principles for site-specific management but in a low technology context for such farmers. The proposed methodology to support PA combines low technology dependency and a participatory approach by involving smallholders, farmers and experts. The case studies demonstrate how the interplay of low technology and a participative approach may be suitable for smallholders for site-specific agriculture analysis. |
Sanchis-Huertas, Ana Providing energy efficiency location-based strategies for buildings using linked open data Masters Thesis Universitat Jaume I, 2012. BibTeX | Tags: geolocation, linked open data @mastersthesis{SanchisHuertas2012b, title = {Providing energy efficiency location-based strategies for buildings using linked open data}, author = {Ana Sanchis-Huertas}, editor = {Miguel Neto (supervisor) and Rafael Berlanga-Llavorí (co.supervisor) and Albert Remke (co-supervisor)}, year = {2012}, date = {2012-01-01}, school = {Universitat Jaume I}, keywords = {geolocation, linked open data}, pubstate = {published}, tppubtype = {mastersthesis} } |
Larizgoitia, Iker; Fonollosa, Arturo Beltrán; Toma, Ioan; Maué, Patrick Publication and Discovery of Semantically Annotated Geospatial Web Services Inproceedings EuroInfo 2012: Proceedings of the 26th international conference on informatics for environmental protection, sustainable development and risk management: Part 1: Core Application Areas, pp. 185–192, Shaker, Dessau, 2012, ISBN: 978-3-8440-1248-4. Abstract | BibTeX | Tags: Geospatial services, semantic annotations, web services @inproceedings{Larizgoitia2012, title = {Publication and Discovery of Semantically Annotated Geospatial Web Services}, author = { Iker Larizgoitia and Arturo Beltrán Fonollosa and Ioan Toma and Patrick Maué}, isbn = {978-3-8440-1248-4}, year = {2012}, date = {2012-01-01}, booktitle = {EuroInfo 2012: Proceedings of the 26th international conference on informatics for environmental protection, sustainable development and risk management: Part 1: Core Application Areas}, pages = {185--192}, publisher = {Shaker}, address = {Dessau}, abstract = {Environmental information and services have become a crucial asset in the creation of decission support systems. Unfortunately, this information and services are not usually exposed in an interoperable and standard way, limiting their reusability and impact in the community. Publishing and discovering geospatial information and services on the Web is therefore an important challenge in order to create a breeding ground for collaboration and more sophisticated environmental platforms. Based on common standards defined by the Open Geospatial Consortium (OGC) as the starting point to ensure interoperability, we propose a discovery mechanism based on semantic annotations. OGC service descriptions are annotated with SAWSDL and linked to concepts in domain ontologies, following a common semantic service model. We seamlessly integrate the semantics in the standard OGC discovery infrastructure, extend-ing the CSW service catalogues with semantic publication and discovery. Semantics queries can be created based on formal languages like WSML, significantly improving the precission of discovery. In this paper we present our ap-proach, which provides a semantic infrastructure for publication and discovery of environmentally enabled web ser-vices.}, keywords = {Geospatial services, semantic annotations, web services}, pubstate = {published}, tppubtype = {inproceedings} } Environmental information and services have become a crucial asset in the creation of decission support systems. Unfortunately, this information and services are not usually exposed in an interoperable and standard way, limiting their reusability and impact in the community. Publishing and discovering geospatial information and services on the Web is therefore an important challenge in order to create a breeding ground for collaboration and more sophisticated environmental platforms. Based on common standards defined by the Open Geospatial Consortium (OGC) as the starting point to ensure interoperability, we propose a discovery mechanism based on semantic annotations. OGC service descriptions are annotated with SAWSDL and linked to concepts in domain ontologies, following a common semantic service model. We seamlessly integrate the semantics in the standard OGC discovery infrastructure, extend-ing the CSW service catalogues with semantic publication and discovery. Semantics queries can be created based on formal languages like WSML, significantly improving the precission of discovery. In this paper we present our ap-proach, which provides a semantic infrastructure for publication and discovery of environmentally enabled web ser-vices. |
Michels, Henry; Roth, Marcell; Fonollosa-Beltrán, Arturo Semantic DESCaaS - Extending the Description as a Service Concept to Enable Semantic Annotations Inproceedings Gensel, Jêrome; Josselin, Didier; Vandenbroucke, Danny (Ed.): Bridging the Geographic Information Sciences International AGILE2012 Conference Avignon France april 24- 27, 2012, pp. 47–51, 2012, ISBN: 978-90-816960-0-5. Abstract | Links | BibTeX | Tags: interoperability, semantic annotations, web services @inproceedings{Michels2012, title = {Semantic DESCaaS - Extending the Description as a Service Concept to Enable Semantic Annotations}, author = { Henry Michels and Marcell Roth and Arturo Fonollosa-Beltrán}, editor = {Jêrome Gensel and Didier Josselin and Danny Vandenbroucke}, url = {http://hdl.handle.net/10234/159873}, isbn = {978-90-816960-0-5}, year = {2012}, date = {2012-01-01}, booktitle = {Bridging the Geographic Information Sciences International AGILE2012 Conference Avignon France april 24- 27, 2012}, pages = {47--51}, abstract = {Semantic interoperability covers the con?ict-free and meaningful exchange of resources by improving the mutual understanding of participants in a communication process. Especially, the communication between humans via machines is fraught with misunderstand- ings including machine-machine communication processes. The focus is on an improved support of the human participants by enabling intelligent and independent behaviour of the machines. The realization of semantic interoperability inheres two main tasks in practice. On the one hand, there is a substantial need of unambiguous vocabularies corresponding to the purpose of a communication process. On the other hand, the suitable vocabularies have to be used by all participants. In this paper, we concentrate on the second issue. We present a well-tried strategy and recent technical solutions enabling the annotation of Web services with appropriate knowledge representations. We will draw the current limits of this approach with respect to certain kinds of resources and come up with a conceptual and partly technical solution to semantically enhance any type of resource.}, keywords = {interoperability, semantic annotations, web services}, pubstate = {published}, tppubtype = {inproceedings} } Semantic interoperability covers the con?ict-free and meaningful exchange of resources by improving the mutual understanding of participants in a communication process. Especially, the communication between humans via machines is fraught with misunderstand- ings including machine-machine communication processes. The focus is on an improved support of the human participants by enabling intelligent and independent behaviour of the machines. The realization of semantic interoperability inheres two main tasks in practice. On the one hand, there is a substantial need of unambiguous vocabularies corresponding to the purpose of a communication process. On the other hand, the suitable vocabularies have to be used by all participants. In this paper, we concentrate on the second issue. We present a well-tried strategy and recent technical solutions enabling the annotation of Web services with appropriate knowledge representations. We will draw the current limits of this approach with respect to certain kinds of resources and come up with a conceptual and partly technical solution to semantically enhance any type of resource. |
Rodríguez-Pupo, Luis Enrique Sensor Data Visualization in Virtual Globe Masters Thesis Universitat Jaume I, 2012. BibTeX | Tags: data visualization, Sensors, virtual globes @mastersthesis{RodriguezPupo2012a, title = {Sensor Data Visualization in Virtual Globe}, author = {Luis Enrique Rodríguez-Pupo}, editor = {Alain Tamayo-Fong and Pedro Cabral and Joaquín Huerta-Guijarro (co-supervisors) }, year = {2012}, date = {2012-01-01}, school = {Universitat Jaume I}, keywords = {data visualization, Sensors, virtual globes}, pubstate = {published}, tppubtype = {mastersthesis} } |
Nativi, Stefano; Vaccari, Lorenzino; Stock, Kristin; Díaz-Sánchez, Laura; Santoro, Mattia The EuroGEOSS Advanced Operating Capacity Inproceedings EGU General assembly 2012. Vienna, 22-27 April 2012, pp. EGU2012-6168, 2012. BibTeX | Tags: earth observation, EUROGEOSS, interoperability @inproceedings{Nativi2012, title = {The EuroGEOSS Advanced Operating Capacity}, author = { Stefano Nativi and Lorenzino Vaccari and Kristin Stock and Laura Díaz-Sánchez and Mattia Santoro}, year = {2012}, date = {2012-01-01}, booktitle = {EGU General assembly 2012. Vienna, 22-27 April 2012}, volume = {14}, pages = {EGU2012-6168}, keywords = {earth observation, EUROGEOSS, interoperability}, pubstate = {published}, tppubtype = {inproceedings} } |
Craglia, Max; Nativi, Stefano; Diaz-Sánchez, Laura; Vaccari, Lorenzino Towards Multi-Disciplinary Interoperability : the EuroGEOSS contribution Inproceedings Eurogeoss Conference. Madrid, 25-27 January 2012, 2012. BibTeX | Tags: EUROGEOSS, interoperability @inproceedings{Craglia2012, title = {Towards Multi-Disciplinary Interoperability : the EuroGEOSS contribution}, author = { Max Craglia and Stefano Nativi and Laura Diaz-Sánchez and Lorenzino Vaccari}, year = {2012}, date = {2012-01-01}, booktitle = {Eurogeoss Conference. Madrid, 25-27 January 2012}, keywords = {EUROGEOSS, interoperability}, pubstate = {published}, tppubtype = {inproceedings} } |
Sanchis-Huertas, Ana; Arnal, Alexandre; Molina, Walter; Sanchis, Vallivana; Díaz-Sánchez, Laura; Huerta-Guijarro, Joaquín; Gould, Michael Virtual Smart campus para la Universitat Jaume I Inproceedings Conferencia ESRI España 2012. Madrid, 12 Octubre, Madrid, 2012. @inproceedings{SanchisHuertas2012, title = {Virtual Smart campus para la Universitat Jaume I}, author = { Ana Sanchis-Huertas and Alexandre Arnal and Walter Molina and Vallivana Sanchis and Laura Díaz-Sánchez and Joaquín Huerta-Guijarro and Michael Gould}, year = {2012}, date = {2012-01-01}, booktitle = {Conferencia ESRI España 2012. Madrid, 12 Octubre}, address = {Madrid}, keywords = {SMARTUJI}, pubstate = {published}, tppubtype = {inproceedings} } |
Sanchis-Huertas, Ana; Arnal, Alexandre; Molina, Walter; Sanchis, Vallivana; Díaz-Sánchez, Laura; Huerta-Guijarro, Joaquín; Gould, Michael viscaUJI: campus inteligente como IDE local Inproceedings JIIDE 2012: III Jornadas Ibéricas de Infraestructuras de Datos Espaciales. Madrid, Octubre 2012, 2012. Abstract | Links | BibTeX | Tags: Smart Campus, SMARTUJI, Spatial Data Infrastructures (SDI) @inproceedings{SanchisHuertas2012a, title = {viscaUJI: campus inteligente como IDE local}, author = { Ana Sanchis-Huertas and Alexandre Arnal and Walter Molina and Vallivana Sanchis and Laura Díaz-Sánchez and Joaquín Huerta-Guijarro and Michael Gould}, url = {http://hdl.handle.net/10234/159826}, year = {2012}, date = {2012-01-01}, booktitle = {JIIDE 2012: III Jornadas Ibéricas de Infraestructuras de Datos Espaciales. Madrid, Octubre 2012}, abstract = {Con el objetivo de mejorar la monitorización y gestión de los recursos del Campus este proyecto integra la información disponible en un sistema de información que permite el acceso y la gestión de conjuntos de datos y servicios geográficos según el modelo definido para una IDE local. Esto nos permite relacionarnos con la información de nuestro entorno a diferentes escalas y en diferentes disciplinas y nos proporciona herramientas para realizar el análisis de los diferentes sistemas que componen la ciudad inteligente (energía, medio ambiente, movilidad, participación). Para ello se modelan espacios exteriores e interiores, integrando datos de diferentes fuentes y formatos, y se georreferencian y representan de acuerdo con la plantilla CampusBaseMap de ESRI (Enviromental Systems Research Institute). Se contribuye así a su capa topográfica y se dispone de una base cartográfica completa y precisa en información y acorde con el entorno en su representación. La información asociada a cada espacio se integra en el LGIM (Local Government Information Model), lo que nos permite aprovechar las definiciones y relaciones entre los diferentes elementos que componen recintos como campus universitarios, parques de atracciones, polígonos industriales o ciudades. De entre las aplicaciones previstas, actualmente está implementado un cliente de visualización, un servicio de localización basado en un nomenclátor y un servicio de peticiones, basados en plantillas de ESRI. Además, otras aplicaciones, como la monitorización de consumos energéticos, están en marcha.}, keywords = {Smart Campus, SMARTUJI, Spatial Data Infrastructures (SDI)}, pubstate = {published}, tppubtype = {inproceedings} } Con el objetivo de mejorar la monitorización y gestión de los recursos del Campus este proyecto integra la información disponible en un sistema de información que permite el acceso y la gestión de conjuntos de datos y servicios geográficos según el modelo definido para una IDE local. Esto nos permite relacionarnos con la información de nuestro entorno a diferentes escalas y en diferentes disciplinas y nos proporciona herramientas para realizar el análisis de los diferentes sistemas que componen la ciudad inteligente (energía, medio ambiente, movilidad, participación). Para ello se modelan espacios exteriores e interiores, integrando datos de diferentes fuentes y formatos, y se georreferencian y representan de acuerdo con la plantilla CampusBaseMap de ESRI (Enviromental Systems Research Institute). Se contribuye así a su capa topográfica y se dispone de una base cartográfica completa y precisa en información y acorde con el entorno en su representación. La información asociada a cada espacio se integra en el LGIM (Local Government Information Model), lo que nos permite aprovechar las definiciones y relaciones entre los diferentes elementos que componen recintos como campus universitarios, parques de atracciones, polígonos industriales o ciudades. De entre las aplicaciones previstas, actualmente está implementado un cliente de visualización, un servicio de localización basado en un nomenclátor y un servicio de peticiones, basados en plantillas de ESRI. Además, otras aplicaciones, como la monitorización de consumos energéticos, están en marcha. |
Rodríguez-Pupo, Luis Enrique; Tamayo-Fong, Alain; Beltrán-Fonollosa, Arturo; Huerta-Guijarro, Joaquín Visualization of Sensor Data in Virtual Globes Inproceedings Gensel, Jêrome ; Josselin, Didier ; Vandenbroucke, Danny (Ed.): Bridging the Geographic Information Sciences International AGILE2012 Conference Avignon France april 24- 27, 2012, pp. 41-45, AGILE Digital Editions, 2012, ISBN: 9789081696005. Abstract | Links | BibTeX | Tags: data visualization, sensor observation services, sensor web, virtual globes @inproceedings{RodriguezPupo2012, title = {Visualization of Sensor Data in Virtual Globes}, author = { Luis Enrique Rodríguez-Pupo and Alain Tamayo-Fong and Arturo Beltrán-Fonollosa and Joaquín Huerta-Guijarro}, editor = {Gensel, Jêrome and Josselin, Didier and Vandenbroucke, Danny}, url = {http://hdl.handle.net/10234/159872}, isbn = {9789081696005}, year = {2012}, date = {2012-01-01}, booktitle = {Bridging the Geographic Information Sciences International AGILE2012 Conference Avignon France april 24- 27, 2012}, pages = {41-45}, publisher = {AGILE Digital Editions}, abstract = {Virtual Globes have become a common platform for visualizing geographical data. The capability for customization, extensibility and the support of interaction with the visualized elements are some of the aspects to consider when selecting a Virtual Globe for visualization. For visualizing sensor data, aspects such as cardinality, the nature of the data and its temporal and spatial dimensions have to be considered. In this paper we present a prototype application to visualize sensor data retrieved from SOS servers over the NASA World Wind virtual Globe. For implementing the prototype application we relied on a categorization of the sensor data that provides possible visualization methods. The prototype has integrated the SEXTANTE library to enable data analysis over sensor data and include the results as part of the visualizations.}, keywords = {data visualization, sensor observation services, sensor web, virtual globes}, pubstate = {published}, tppubtype = {inproceedings} } Virtual Globes have become a common platform for visualizing geographical data. The capability for customization, extensibility and the support of interaction with the visualized elements are some of the aspects to consider when selecting a Virtual Globe for visualization. For visualizing sensor data, aspects such as cardinality, the nature of the data and its temporal and spatial dimensions have to be considered. In this paper we present a prototype application to visualize sensor data retrieved from SOS servers over the NASA World Wind virtual Globe. For implementing the prototype application we relied on a categorization of the sensor data that provides possible visualization methods. The prototype has integrated the SEXTANTE library to enable data analysis over sensor data and include the results as part of the visualizations. |
Schill, Christian; Díaz-Sánchez, Laura; Perger, Christoph; Fritz, Steffen; McCallum, Ian; Nativi, Stefano; McInerney, Daniel; See, Linda; Craglia, Max Web 2 Tools to Improve Global Land Cover: Linking the EuroGEOSS Broker and Geo-Wiki Inproceedings Eurogeoss Conference. Madrid, 25-27 January 2012, 2012. Abstract | BibTeX | Tags: EUROGEOSS, Web 2.0 @inproceedings{Schill2012, title = {Web 2 Tools to Improve Global Land Cover: Linking the EuroGEOSS Broker and Geo-Wiki}, author = {Christian Schill and Laura Díaz-Sánchez and Christoph Perger and Steffen Fritz and Ian McCallum and Stefano Nativi and Daniel McInerney and Linda See and Max Craglia}, year = {2012}, date = {2012-01-01}, booktitle = {Eurogeoss Conference. Madrid, 25-27 January 2012}, abstract = {The Geo-Wiki Project is a global network of volunteers who wish to help improve the quality of global land cover maps. Since large differences occur between existing global land cover maps, current ecosystem and land-use science lacks crucial accurate data (e.g. to determine the potential of additional agricultural land available to grow crops in Africa). Volunteers are asked to review hotspot maps of global land cover disagreement and determine, based on what they actually see in Google Earth and their local knowledge, if the land cover maps are correct or incorrect. Their input is recorded in a database, along with uploaded photos, to be used in the future for the creation of a new and improved global land cover map. It is illustrated how Web 2.0, search and access, functionalities which are part of the EUROGEOSS Discovery broker (e.g. search facilities for geo-referenced FLICKR pictures) can be linked to geo-wiki. Geospatial and temporal resources such as pictures, YouTube videos and additional geo-located social media can help to improve information available to validate current global land cover products. The quality of the information provided by volunteers as well as the quality of social media data in general is discussed.}, keywords = {EUROGEOSS, Web 2.0}, pubstate = {published}, tppubtype = {inproceedings} } The Geo-Wiki Project is a global network of volunteers who wish to help improve the quality of global land cover maps. Since large differences occur between existing global land cover maps, current ecosystem and land-use science lacks crucial accurate data (e.g. to determine the potential of additional agricultural land available to grow crops in Africa). Volunteers are asked to review hotspot maps of global land cover disagreement and determine, based on what they actually see in Google Earth and their local knowledge, if the land cover maps are correct or incorrect. Their input is recorded in a database, along with uploaded photos, to be used in the future for the creation of a new and improved global land cover map. It is illustrated how Web 2.0, search and access, functionalities which are part of the EUROGEOSS Discovery broker (e.g. search facilities for geo-referenced FLICKR pictures) can be linked to geo-wiki. Geospatial and temporal resources such as pictures, YouTube videos and additional geo-located social media can help to improve information available to validate current global land cover products. The quality of the information provided by volunteers as well as the quality of social media data in general is discussed. |
Mcinerney, Daniel; Revez, Gonçalo; Bastin, Lucy; Barredo, José I; Díaz-Sánchez, Laura; Bastin, Lucy; Figueiredo, Carlos; San-Miguel, Jesús Web-based Forest Monitoring Tools Using OGC Services Inproceedings Eurogeoss Conference. Madrid, 25-27 January 2012, 2012. Abstract | BibTeX | Tags: environmental monitoring, EUROGEOSS, forest fire, OGC @inproceedings{Mcinerney2012b, title = {Web-based Forest Monitoring Tools Using OGC Services}, author = { Daniel Mcinerney and Gonçalo Revez and Lucy Bastin and José I. Barredo and Laura Díaz-Sánchez and Lucy Bastin and Carlos Figueiredo and Jesús San-Miguel}, year = {2012}, date = {2012-01-01}, booktitle = {Eurogeoss Conference. Madrid, 25-27 January 2012}, abstract = {There is an increasing demand for consistent and harmonised forest and environmental information at a range of spatial scales from local through to regional and global. These data are necessary for forest management and planning, but they are also inherently linked to multi-disciplinary research relating to natural hazards, climate change, land management and biodiversity. With these issues in mind, the EuroGEOSS project aims to demonstrate the added value of making existing systems and applications interoperable and used within the GEOSS and INSPIRE frameworks. This presentation focuses on the development of the Web-based forest operating capacities and their interactions with the developments of the advance operating capacities such as the EuroGEOSS Discovery Broker and other thematic areas that include biodiversity and droughts. It specifically highlights the development of an interoperable web application that integrates interoperable components such as a map client and metadata catalogue that supports bidirectional data exchange between both systems. In addition, it presents advanced forest modeling and monitoring capabilities that are developed as Web Processing Services (WPS) based on forestry, biodiversity and climatic data published using OGC Web Services (OWS) that include Web Feature Services (WFS) and Web Coverage Services (WCS). Furthermore, we present the integration of the GEOSS Service Factory WPS into the forestry workflows for content publication capabilities as well as the potential use of geo-referenced Web2.0 resources.}, keywords = {environmental monitoring, EUROGEOSS, forest fire, OGC}, pubstate = {published}, tppubtype = {inproceedings} } There is an increasing demand for consistent and harmonised forest and environmental information at a range of spatial scales from local through to regional and global. These data are necessary for forest management and planning, but they are also inherently linked to multi-disciplinary research relating to natural hazards, climate change, land management and biodiversity. With these issues in mind, the EuroGEOSS project aims to demonstrate the added value of making existing systems and applications interoperable and used within the GEOSS and INSPIRE frameworks. This presentation focuses on the development of the Web-based forest operating capacities and their interactions with the developments of the advance operating capacities such as the EuroGEOSS Discovery Broker and other thematic areas that include biodiversity and droughts. It specifically highlights the development of an interoperable web application that integrates interoperable components such as a map client and metadata catalogue that supports bidirectional data exchange between both systems. In addition, it presents advanced forest modeling and monitoring capabilities that are developed as Web Processing Services (WPS) based on forestry, biodiversity and climatic data published using OGC Web Services (OWS) that include Web Feature Services (WFS) and Web Coverage Services (WCS). Furthermore, we present the integration of the GEOSS Service Factory WPS into the forestry workflows for content publication capabilities as well as the potential use of geo-referenced Web2.0 resources. |
Schade, Sven; Ostländer, Nicole; Granell-Canut, Carlos; Schulz, Michael; McInerney, Daniel; Dubois, Gregoire; Vaccari, Lorenzino; Chinosi, Michele; Díaz-Sánchez, Laura; Bastin, Lucy; Jones, Richard Which Service Interfaces fit the Model Web? Inproceedings GEOProcessing 2012: The Fourth International Conference on Advanced Geographic Information Systems, Applications, and Services, pp. 1–6, IARIA, 2012, ISBN: 978-1-61208-178-6. Abstract | Links | BibTeX | Tags: EUROGEOSS, model web, SOA, Web Services, WPS, WSDL @inproceedings{Schade2012, title = {Which Service Interfaces fit the Model Web?}, author = {Sven Schade and Nicole Ostländer and Carlos Granell-Canut and Michael Schulz and Daniel McInerney and Gregoire Dubois and Lorenzino Vaccari and Michele Chinosi and Laura Díaz-Sánchez and Lucy Bastin and Richard Jones}, url = {http://repositori.uji.es/xmlui/handle/10234/159973}, isbn = {978-1-61208-178-6}, year = {2012}, date = {2012-01-01}, booktitle = {GEOProcessing 2012: The Fourth International Conference on Advanced Geographic Information Systems, Applications, and Services}, pages = {1--6}, publisher = {IARIA}, abstract = {The Model Web has been proposed as a concept for integrating scientific models in an interoperable and collaborative manner. However, four years after the initial idea was formulated, there is still no stable long term solution. Multiple authors propose Web Service based approaches to model publication and chaining, but current implementations are highly case specific and lack flexibility. This paper discusses the Web Service interfaces, which are required for supporting integrated environmental modeling in a sustainable manner. We explore ways to expose environmental models and their components using Web Service interfaces. Our discussions present work in progress for establishing the Web Services technological grounds for simplifying information publication and exchange within the Model Web. As a main outcome, this contribution identifies challenges in respect to the required geo- processing and relates them to currently available Web Service standards.}, keywords = {EUROGEOSS, model web, SOA, Web Services, WPS, WSDL}, pubstate = {published}, tppubtype = {inproceedings} } The Model Web has been proposed as a concept for integrating scientific models in an interoperable and collaborative manner. However, four years after the initial idea was formulated, there is still no stable long term solution. Multiple authors propose Web Service based approaches to model publication and chaining, but current implementations are highly case specific and lack flexibility. This paper discusses the Web Service interfaces, which are required for supporting integrated environmental modeling in a sustainable manner. We explore ways to expose environmental models and their components using Web Service interfaces. Our discussions present work in progress for establishing the Web Services technological grounds for simplifying information publication and exchange within the Model Web. As a main outcome, this contribution identifies challenges in respect to the required geo- processing and relates them to currently available Web Service standards. |
2011 |
Gil-Altaba, José; Díaz-Sánchez, Laura; Granell-Canut, Carlos; Huerta-Guijarro, Joaquín Open source based deployment of environmental data into geospatial information infrastructures Journal Article International Journal of Applied Geospatial Research, 3 (2), pp. 6–23, 2011, ISSN: 1947-9654. Abstract | Links | BibTeX | Tags: Geospatial Information Infrastructures, INSPIRE, Spatial Data Infrastructures (SDI) @article{gil_open_2011, title = {Open source based deployment of environmental data into geospatial information infrastructures}, author = { José Gil-Altaba and Laura Díaz-Sánchez and Carlos Granell-Canut and Joaquín Huerta-Guijarro}, url = {http://www.igi-global.com/article/open-source-based-deployment-environmental/65556}, doi = {10.4018/jagr.2012040102}, issn = {1947-9654}, year = {2011}, date = {2011-01-01}, journal = {International Journal of Applied Geospatial Research}, volume = {3}, number = {2}, pages = {6--23}, abstract = {Today, scientists use local and closed geospatial solutions to run their models and store their results. This may limit their ability to share their models, and results with other interested colleagues. This scenario is changing with the advent of new factors such as the rapid growth and rise of open source projects, or new paradigms promoted by government organizations to manage environmental data, such as Infrastructure for Spatial Information in the European Community (INSPIRE) directive, or the massive use of Web 2.0 techniques where users are looking for applications with a high degree of collaboration, interactiveness, and multimedia effects. Many authors address the versatility of Spatial Data Infrastructures where resources are shared and accessed via standard service according to complex specifications. In this context, the authors point out the need to merge the traditional building and maintenance of these infrastructures, driven by official providers, with these more participative methodologies where users can participate in creating and integrating information. It seems necessary to develop new geospatial tools which integrate these new trends. This paper proposes a unified solution offering to the scientific field an open development framework, based on standards and philosophies focused on new technologies and scientific needs.}, keywords = {Geospatial Information Infrastructures, INSPIRE, Spatial Data Infrastructures (SDI)}, pubstate = {published}, tppubtype = {article} } Today, scientists use local and closed geospatial solutions to run their models and store their results. This may limit their ability to share their models, and results with other interested colleagues. This scenario is changing with the advent of new factors such as the rapid growth and rise of open source projects, or new paradigms promoted by government organizations to manage environmental data, such as Infrastructure for Spatial Information in the European Community (INSPIRE) directive, or the massive use of Web 2.0 techniques where users are looking for applications with a high degree of collaboration, interactiveness, and multimedia effects. Many authors address the versatility of Spatial Data Infrastructures where resources are shared and accessed via standard service according to complex specifications. In this context, the authors point out the need to merge the traditional building and maintenance of these infrastructures, driven by official providers, with these more participative methodologies where users can participate in creating and integrating information. It seems necessary to develop new geospatial tools which integrate these new trends. This paper proposes a unified solution offering to the scientific field an open development framework, based on standards and philosophies focused on new technologies and scientific needs. |
0000 |
Quezada-Gaibor, Darwin; Klus, Lucie; Klus, Roman; Lohan, Elena Simona; Nurmi, Jari; Valkama, Mikko; Huerta-Guijarro, Joaquín; Torres-Sospedra, Joaquín Autoencoder Extreme Learning Machine for Fingerprint-Based Positioning: A Good Weight Initialization is Decisive Journal Article IEEE Journal of Indoor and Seamless Positioning and Navigation, 1 , pp. 53-68, 0000, ISSN: 2832-7322. Abstract | Links | BibTeX | Tags: A-wear, Autoencoder, Indoor positioning, Wi-Fi fingerprint @article{Quezada2023b, title = {Autoencoder Extreme Learning Machine for Fingerprint-Based Positioning: A Good Weight Initialization is Decisive}, author = {Darwin Quezada-Gaibor and Lucie Klus and Roman Klus and Elena Simona Lohan and Jari Nurmi and Mikko Valkama and Joaquín Huerta-Guijarro and Joaquín Torres-Sospedra}, doi = {https://doi.org/10.1109/JISPIN.2023.3299433}, issn = {2832-7322}, journal = {IEEE Journal of Indoor and Seamless Positioning and Navigation}, volume = {1}, pages = {53-68}, abstract = {Indoor positioning based on machine-learning (ML) models has attracted widespread interest in the last few years, given its high performance and usability. Supervised, semisupervised, and unsupervised models have thus been widely used in this field, not only to estimate the user position, but also to compress, clean, and denoise fingerprinting datasets. Some scholars have focused on developing, improving, and optimizing ML models to provide accurate solutions to the end user. This article introduces a novel method to initialize the input weights in autoencoder extreme learning machine (AE-ELM), namely factorized input data (FID), which is based on the normalized form of the orthogonal component of the input data. AE-ELM with FID weight initialization is used to efficiently reduce the radio map. Once the dimensionality of the dataset is reduced, we use k -nearest neighbors to perform the position estimation. This research work includes a comparative analysis with several traditional ways to initialize the input weights in AE-ELM, showing that FID provide a significantly better reconstruction error. Finally, we perform an assessment with 13 indoor positioning datasets collected from different buildings and in different countries. We show that the dimensionality of the datasets can be reduced more than 11 times on average, while the positioning error suffers only a small increment of 15% (on average) in comparison to the baseline.}, keywords = {A-wear, Autoencoder, Indoor positioning, Wi-Fi fingerprint}, pubstate = {published}, tppubtype = {article} } Indoor positioning based on machine-learning (ML) models has attracted widespread interest in the last few years, given its high performance and usability. Supervised, semisupervised, and unsupervised models have thus been widely used in this field, not only to estimate the user position, but also to compress, clean, and denoise fingerprinting datasets. Some scholars have focused on developing, improving, and optimizing ML models to provide accurate solutions to the end user. This article introduces a novel method to initialize the input weights in autoencoder extreme learning machine (AE-ELM), namely factorized input data (FID), which is based on the normalized form of the orthogonal component of the input data. AE-ELM with FID weight initialization is used to efficiently reduce the radio map. Once the dimensionality of the dataset is reduced, we use k -nearest neighbors to perform the position estimation. This research work includes a comparative analysis with several traditional ways to initialize the input weights in AE-ELM, showing that FID provide a significantly better reconstruction error. Finally, we perform an assessment with 13 indoor positioning datasets collected from different buildings and in different countries. We show that the dimensionality of the datasets can be reduced more than 11 times on average, while the positioning error suffers only a small increment of 15% (on average) in comparison to the baseline. |
Casanova-Marqués, Raúl; Dzurenda, Petr; Hajny, Jan Implementation of Revocable Keyed-Verification Anonymous Credentials on Java Card Inproceedings Proceedings of the 17th International Conference on Availability, Reliability and Security, pp. 1-8, ACM, 0000, ISBN: 9781450396707. Abstract | Links | BibTeX | Tags: A-wear, geoprivacy @inproceedings{Casanova2022a, title = {Implementation of Revocable Keyed-Verification Anonymous Credentials on Java Card}, author = {Raúl Casanova-Marqués and Petr Dzurenda and Jan Hajny}, doi = {https://doi.org/10.1145/3538969.3543798}, isbn = {9781450396707}, booktitle = {Proceedings of the 17th International Conference on Availability, Reliability and Security}, pages = {1-8}, publisher = {ACM}, abstract = {Java Card stands out as a good choice for the development of smart card applications due to the high interoperability between different manufacturers, its security, and wide support of cryptographic algorithms. Despite extensive cryptographic support, current Java Cards do not support non-standard cryptographic algorithms such as post-quantum, secure-multiparty computations, and privacy-enhancing cryptographic schemes. Moreover, Java Card is restricted by the Application Programming Interface (API) in algebraic operations, which are the foundation of modern cryptographic schemes. This paper addresses the issue of developing these modern schemes by exploiting the limited cryptographic API provided by these types of cards. We show how to (ab)use the Java Card’s API to perform modular arithmetic operations, as well as basic operations on elliptic curves. Furthermore, we implement an attribute-based privacy-enhancing scheme on an off-the-shelf Java Card. To do so, we use our cryptographic API and several optimization techniques to make the scheme as efficient as possible. To demonstrate the practicality of our solution, we present the implementation results and benchmark tests.}, keywords = {A-wear, geoprivacy}, pubstate = {published}, tppubtype = {inproceedings} } Java Card stands out as a good choice for the development of smart card applications due to the high interoperability between different manufacturers, its security, and wide support of cryptographic algorithms. Despite extensive cryptographic support, current Java Cards do not support non-standard cryptographic algorithms such as post-quantum, secure-multiparty computations, and privacy-enhancing cryptographic schemes. Moreover, Java Card is restricted by the Application Programming Interface (API) in algebraic operations, which are the foundation of modern cryptographic schemes. This paper addresses the issue of developing these modern schemes by exploiting the limited cryptographic API provided by these types of cards. We show how to (ab)use the Java Card’s API to perform modular arithmetic operations, as well as basic operations on elliptic curves. Furthermore, we implement an attribute-based privacy-enhancing scheme on an off-the-shelf Java Card. To do so, we use our cryptographic API and several optimization techniques to make the scheme as efficient as possible. To demonstrate the practicality of our solution, we present the implementation results and benchmark tests. |
IF Journal
Journal
Book
Book chapter
Congress
Thesis & M. Thesis
2012 |
Interoperable Search Mechanisms for Web 2.0 Resources Journal Article International Journal of Spatial Data Infrastructures Research, 7 , pp. 277–299, 2012, ISSN: 1725-0463. |
Introducción a las arquitecturas orientadas a servicios en el contexto de IDE Book Chapter Bernabé-Poveda, Miguel Ángel; López-Vázquez, Carlos Manuel (Ed.): Fundamentos de las infraestructuras de datos espaciales, Chapter 23, pp. 299-308, Universidad Politécnica de Madrid, Madrid, 2012, ISBN: 978-84-939196-6-5. |
La aportación española en el Proyecto EuroGEOSS : Hacia un Sistema de Observación Ambiental de la Tierra Journal Article Revista catalana de geografía, XVII (44), 2012, ISSN: 1988-2459. |
Location-based Marketing: the academic framework Masters Thesis Universitat Jaume I, 2012. |
Methodologies for augmented discovery of geospatial resources Book Chapter Díaz-Sánchez, Laura; Granell-Canut, Carlos; Huerta-Guijarro, Joaquín (Ed.): Discovery of Geospatial Resources: Methodologies, Technologies, and Emergent Applications, Chapter 9, pp. 172-203, IGI Global, 2012, ISBN: 9781466609457. |
Mobile Application for Noise Pollution Monitoring through Gamification Techniques Inproceedings Herrlich, M; Malaka, R; Masuch, M (Ed.): ICEC 2012 entertainment computing, pp. 562-571, Springer, 2012, ISSN: 0302-9743. |
Monitorización de datos de calidad de aire Inproceedings JIDEE 2012: III Jornadas Ibéricas de las infraestructuras de datos espaciales. Madrid, Octubre 2012, 2012. |
Participative site-specific agriculture analysis for smallholders Journal Article Precision Agriculture, 13 (5), pp. 594–610, 2012, ISSN: 1385-2256, (IF: 1.728, Q1). |
Providing energy efficiency location-based strategies for buildings using linked open data Masters Thesis Universitat Jaume I, 2012. |
Publication and Discovery of Semantically Annotated Geospatial Web Services Inproceedings EuroInfo 2012: Proceedings of the 26th international conference on informatics for environmental protection, sustainable development and risk management: Part 1: Core Application Areas, pp. 185–192, Shaker, Dessau, 2012, ISBN: 978-3-8440-1248-4. |
Semantic DESCaaS - Extending the Description as a Service Concept to Enable Semantic Annotations Inproceedings Gensel, Jêrome; Josselin, Didier; Vandenbroucke, Danny (Ed.): Bridging the Geographic Information Sciences International AGILE2012 Conference Avignon France april 24- 27, 2012, pp. 47–51, 2012, ISBN: 978-90-816960-0-5. |
Sensor Data Visualization in Virtual Globe Masters Thesis Universitat Jaume I, 2012. |
The EuroGEOSS Advanced Operating Capacity Inproceedings EGU General assembly 2012. Vienna, 22-27 April 2012, pp. EGU2012-6168, 2012. |
Towards Multi-Disciplinary Interoperability : the EuroGEOSS contribution Inproceedings Eurogeoss Conference. Madrid, 25-27 January 2012, 2012. |
Virtual Smart campus para la Universitat Jaume I Inproceedings Conferencia ESRI España 2012. Madrid, 12 Octubre, Madrid, 2012. |
viscaUJI: campus inteligente como IDE local Inproceedings JIIDE 2012: III Jornadas Ibéricas de Infraestructuras de Datos Espaciales. Madrid, Octubre 2012, 2012. |
Visualization of Sensor Data in Virtual Globes Inproceedings Gensel, Jêrome ; Josselin, Didier ; Vandenbroucke, Danny (Ed.): Bridging the Geographic Information Sciences International AGILE2012 Conference Avignon France april 24- 27, 2012, pp. 41-45, AGILE Digital Editions, 2012, ISBN: 9789081696005. |
Web 2 Tools to Improve Global Land Cover: Linking the EuroGEOSS Broker and Geo-Wiki Inproceedings Eurogeoss Conference. Madrid, 25-27 January 2012, 2012. |
Web-based Forest Monitoring Tools Using OGC Services Inproceedings Eurogeoss Conference. Madrid, 25-27 January 2012, 2012. |
Which Service Interfaces fit the Model Web? Inproceedings GEOProcessing 2012: The Fourth International Conference on Advanced Geographic Information Systems, Applications, and Services, pp. 1–6, IARIA, 2012, ISBN: 978-1-61208-178-6. |
2011 |
Open source based deployment of environmental data into geospatial information infrastructures Journal Article International Journal of Applied Geospatial Research, 3 (2), pp. 6–23, 2011, ISSN: 1947-9654. |
0000 |
Autoencoder Extreme Learning Machine for Fingerprint-Based Positioning: A Good Weight Initialization is Decisive Journal Article IEEE Journal of Indoor and Seamless Positioning and Navigation, 1 , pp. 53-68, 0000, ISSN: 2832-7322. |
Implementation of Revocable Keyed-Verification Anonymous Credentials on Java Card Inproceedings Proceedings of the 17th International Conference on Availability, Reliability and Security, pp. 1-8, ACM, 0000, ISBN: 9781450396707. |