2021
Ometov, Aleksandr; Shubina, Viktoriia; Klus, Lucie; Skibińska, Justyna; Saafi, Salwa; Pascacio-de-los-Santos, Pavel; Flueratoru, Laura; Quezada-Gaibor, Darwin; Chukhno, Nadezhda; Chukhno, Olga; Ali, Asad; Channa, Asma; Svertoka, Ekaterina; Qaim, Waleed Bin; Casanova-Marqués, Raúl; Holcer, Sylvia; Torres-Sospedra, Joaquín; Casteleyn, Sven; Ruggeri, Giuseppe; Araniti, Giuseppe; Burget, Radim; Hosek, Jiri; Lohan, Elena Simona
A Survey on Wearable Technology: History, State-of-the-Art and Current Challenges Journal Article
In: Computer Networks, vol. 193, pp. 108074, 2021, ISSN: 1389-1286.
Abstract | Links | BibTeX | Tags: A-wear, interoperability, Standards, wearables
@article{Ometov2021,
title = {A Survey on Wearable Technology: History, State-of-the-Art and Current Challenges},
author = {Aleksandr Ometov and Viktoriia Shubina and Lucie Klus and Justyna Skibińska and Salwa Saafi and Pavel Pascacio-de-los-Santos and Laura Flueratoru and Darwin Quezada-Gaibor and Nadezhda Chukhno and Olga Chukhno and Asad Ali and Asma Channa and Ekaterina Svertoka and Waleed Bin Qaim and Raúl Casanova-Marqués and Sylvia Holcer and Joaquín Torres-Sospedra and Sven Casteleyn and Giuseppe Ruggeri and Giuseppe Araniti and Radim Burget and Jiri Hosek and Elena Simona Lohan},
doi = {https://doi.org/10.1016/j.comnet.2021.108074},
issn = {1389-1286},
year = {2021},
date = {2021-07-05},
journal = {Computer Networks},
volume = {193},
pages = {108074},
abstract = {Technology is continually undergoing a constituent development caused by the appearance of billions new interconnected “things” and their entrenchment in our daily lives. One of the underlying versatile technologies, namely wearables, is able to capture rich contextual information produced by such devices and use it to deliver a legitimately personalized experience. The main aim of this paper is to shed light on the history of wearable devices and provide a state-of-the-art review on the wearable market. Moreover, the paper provides an extensive and diverse classification of wearables, based on various factors, a discussion on wireless communication technologies, architectures, data processing aspects, and market status, as well as a variety of other actual information on wearable technology. Finally, the survey highlights the critical challenges and existing/future solutions.},
keywords = {A-wear, interoperability, Standards, wearables},
pubstate = {published},
tppubtype = {article}
}
Technology is continually undergoing a constituent development caused by the appearance of billions new interconnected “things” and their entrenchment in our daily lives. One of the underlying versatile technologies, namely wearables, is able to capture rich contextual information produced by such devices and use it to deliver a legitimately personalized experience. The main aim of this paper is to shed light on the history of wearable devices and provide a state-of-the-art review on the wearable market. Moreover, the paper provides an extensive and diverse classification of wearables, based on various factors, a discussion on wireless communication technologies, architectures, data processing aspects, and market status, as well as a variety of other actual information on wearable technology. Finally, the survey highlights the critical challenges and existing/future solutions.
2020
Granell-Canut, Carlos; Kamilaris, Andreas; Kotsev, Alexander; Ostermann, Frank O.; Trilles-Oliver, Sergio
Internet of Things Book Chapter
In: Guo, H.; Goodchild, Michael F.; Annoni, Alexandro (Ed.): Manual of Digital Earth , pp. 387-423, Springer, Singapore, 2020, ISBN: 978-981-329-915-3.
Abstract | Links | BibTeX | Tags: Internet of things, Standards
@inbook{Trilles-Oliver2020,
title = {Internet of Things},
author = {Carlos Granell-Canut and Andreas Kamilaris and Alexander Kotsev and Frank O. Ostermann and Sergio Trilles-Oliver},
editor = {H. Guo and Michael F. Goodchild and Alexandro Annoni
},
doi = {https://doi.org/10.1007/978-981-32-9915-3_11},
isbn = {978-981-329-915-3},
year = {2020},
date = {2020-03-11},
booktitle = {Manual of Digital Earth },
pages = {387-423},
publisher = {Springer},
address = {Singapore},
abstract = {Digital Earth was born with the aim of replicating the real world within the digital world. Many efforts have been made to observe and sense the Earth, both from space (remote sensing) and by using in situ sensors. Focusing on the latter, advances in Digital Earth have established vital bridges to exploit these sensors and their networks by taking location as a key element. The current era of connectivity envisions that everything is connected to everything. The concept of the Internet of Things (IoT) emerged as a holistic proposal to enable an ecosystem of varied, heterogeneous networked objects and devices to speak to and interact with each other. To make the IoT ecosystem a reality, it is necessary to understand the electronic components, communication protocols, real-time analysis techniques, and the location of the objects and devices. The IoT ecosystem and the Digital Earth (DE) jointly form interrelated infrastructures for addressing today’s pressing issues and complex challenges. In this chapter, we explore the synergies and frictions in establishing an efficient and permanent collaboration between the two infrastructures, in order to adequately address multidisciplinary and increasingly complex real-world problems. Although there are still some pending issues, the identified synergies generate optimism for a true collaboration between the Internet of Things and the Digital Earth.},
keywords = {Internet of things, Standards},
pubstate = {published},
tppubtype = {inbook}
}
Digital Earth was born with the aim of replicating the real world within the digital world. Many efforts have been made to observe and sense the Earth, both from space (remote sensing) and by using in situ sensors. Focusing on the latter, advances in Digital Earth have established vital bridges to exploit these sensors and their networks by taking location as a key element. The current era of connectivity envisions that everything is connected to everything. The concept of the Internet of Things (IoT) emerged as a holistic proposal to enable an ecosystem of varied, heterogeneous networked objects and devices to speak to and interact with each other. To make the IoT ecosystem a reality, it is necessary to understand the electronic components, communication protocols, real-time analysis techniques, and the location of the objects and devices. The IoT ecosystem and the Digital Earth (DE) jointly form interrelated infrastructures for addressing today’s pressing issues and complex challenges. In this chapter, we explore the synergies and frictions in establishing an efficient and permanent collaboration between the two infrastructures, in order to adequately address multidisciplinary and increasingly complex real-world problems. Although there are still some pending issues, the identified synergies generate optimism for a true collaboration between the Internet of Things and the Digital Earth.
2019
K. L. Li,; Zlatanova, S.; Torres-Sospedra, Joaquín; Pérez-Navarro, Antoni; Laoudias, C.; Moreira, A.
Survey on Indoor Map Standards and Formats Proceedings Article
In: Proceedings of the Tenth International Conference on Indoor Positioning and Indoor Navigation, 30 Sept. – 3 Oct. 2019, Pisa, Italy, IEEE, 2019, ISBN: 978-1-7281-1788-1 .
Abstract | BibTeX | Tags: Indoor positioning, OGC, Standards
@inproceedings{Li2019,
title = {Survey on Indoor Map Standards and Formats},
author = {K. L. Li, and S. Zlatanova and Joaquín Torres-Sospedra and Antoni Pérez-Navarro and C. Laoudias and A. Moreira},
isbn = {978-1-7281-1788-1 },
year = {2019},
date = {2019-12-01},
booktitle = {Proceedings of the Tenth International Conference on Indoor Positioning and Indoor Navigation, 30 Sept. – 3 Oct. 2019, Pisa, Italy},
publisher = {IEEE},
abstract = {With the adoption of indoor positioning solutions, which enable for a variety of location-based spatial services, a number of indoor map standards and formats have been proposed in the last decade. As each of these indoor map standard has its own purpose, the strengths and weaknesses are necessary to be understood and analyzed before selecting one of them for a given application. The Indoor Map Subcommittee has been established under IPIN/ISC in 2017. Among others, the goal of this working group is to compare available indoor map standards, provide a guideline for their application and advise on changes to their standardization development organizations if necessary. In this paper we present a survey of indoor map standards as an achievement of the subcommittee. The scope of the survey covers official standards such as IFC of BuildingSmart, IndoorGML and CityGML of OGC, and Indoor OpenStreetMap. We present several use-cases to show and discuss how to build indoor maps.},
keywords = {Indoor positioning, OGC, Standards},
pubstate = {published},
tppubtype = {inproceedings}
}
With the adoption of indoor positioning solutions, which enable for a variety of location-based spatial services, a number of indoor map standards and formats have been proposed in the last decade. As each of these indoor map standard has its own purpose, the strengths and weaknesses are necessary to be understood and analyzed before selecting one of them for a given application. The Indoor Map Subcommittee has been established under IPIN/ISC in 2017. Among others, the goal of this working group is to compare available indoor map standards, provide a guideline for their application and advise on changes to their standardization development organizations if necessary. In this paper we present a survey of indoor map standards as an achievement of the subcommittee. The scope of the survey covers official standards such as IFC of BuildingSmart, IndoorGML and CityGML of OGC, and Indoor OpenStreetMap. We present several use-cases to show and discuss how to build indoor maps.
Trilles-Oliver, Sergio; Herrero, J. Velayos; Vieco, J. L. San José; Real, J. C. Gamazo
Aumentando la interoperabilidad de una red de monitorización de calidad del aire mediante el uso de estándares web IoT. Proceedings Article
In: JIDEE 2019. Cáceres, 23-25 Octubre 2019, 2019.
Abstract | Links | BibTeX | Tags: Air quality sensors, Internet of things, interoperability, OGC, Sensor networks, Sensors, Standards
@inproceedings{Trilles-Oliver2019b,
title = {Aumentando la interoperabilidad de una red de monitorización de calidad del aire mediante el uso de estándares web IoT.},
author = {Sergio Trilles-Oliver and J. Velayos Herrero and J.L. San José Vieco and J.C. Gamazo Real },
url = {https://www.idee.es/resources/presentaciones/JIIDE19/67-JIIDE2019_strilles.pdf},
year = {2019},
date = {2019-10-23},
booktitle = { JIDEE 2019. Cáceres, 23-25 Octubre 2019},
abstract = {En la actualidad, millones de dispositivos de Internet of Things (IoT) están presentes en nuestra vida diaria. Dichos dispositivos, con permanente comunicación a Internet, necesitan de normas o estándares para poder establecer conexión, tanto a nivel de conectividad como de transferencia de datos. Debido a la existencia de una gran cantidad de protocolos, se está generando un verdadero problema de interoperabilidad, lo cual dificulta la conexión entre dispositivos, o redes de éstos, y su interacción de forma remota. La necesidad de establecer un protocolo estándar que sea capaz de cubrir todas las
necesidades que requieren estos dispositivos es uno de los retos más relevantes en las ciencias de la computación. En este trabajo se pretende aplicar estándares procedentes de las ciencias geoespaciales a
dispositivos IoT, con el objetivo de dotar de interoperabilidad a una red de monitorización de calidad del aire desplegada en la ciudad de Madrid. Para ello, se define una metodología para la integración de dicha red de monitorización utilizando el estándar OGC SensorThings API y su aplicabilidad a otras redes con este tipo de dispositivos IoT. Como ejemplo de uso de dicho estándar y de la interoperabilidad de la red, se ha desarrollado un cliente web para visualizar los datos producidos por la red de calidad del aire y garantizar su compatibilidad con otras redes desarrolladas sobre el estándar OGC SensorThings API.},
keywords = {Air quality sensors, Internet of things, interoperability, OGC, Sensor networks, Sensors, Standards},
pubstate = {published},
tppubtype = {inproceedings}
}
En la actualidad, millones de dispositivos de Internet of Things (IoT) están presentes en nuestra vida diaria. Dichos dispositivos, con permanente comunicación a Internet, necesitan de normas o estándares para poder establecer conexión, tanto a nivel de conectividad como de transferencia de datos. Debido a la existencia de una gran cantidad de protocolos, se está generando un verdadero problema de interoperabilidad, lo cual dificulta la conexión entre dispositivos, o redes de éstos, y su interacción de forma remota. La necesidad de establecer un protocolo estándar que sea capaz de cubrir todas las
necesidades que requieren estos dispositivos es uno de los retos más relevantes en las ciencias de la computación. En este trabajo se pretende aplicar estándares procedentes de las ciencias geoespaciales a
dispositivos IoT, con el objetivo de dotar de interoperabilidad a una red de monitorización de calidad del aire desplegada en la ciudad de Madrid. Para ello, se define una metodología para la integración de dicha red de monitorización utilizando el estándar OGC SensorThings API y su aplicabilidad a otras redes con este tipo de dispositivos IoT. Como ejemplo de uso de dicho estándar y de la interoperabilidad de la red, se ha desarrollado un cliente web para visualizar los datos producidos por la red de calidad del aire y garantizar su compatibilidad con otras redes desarrolladas sobre el estándar OGC SensorThings API.
necesidades que requieren estos dispositivos es uno de los retos más relevantes en las ciencias de la computación. En este trabajo se pretende aplicar estándares procedentes de las ciencias geoespaciales a
dispositivos IoT, con el objetivo de dotar de interoperabilidad a una red de monitorización de calidad del aire desplegada en la ciudad de Madrid. Para ello, se define una metodología para la integración de dicha red de monitorización utilizando el estándar OGC SensorThings API y su aplicabilidad a otras redes con este tipo de dispositivos IoT. Como ejemplo de uso de dicho estándar y de la interoperabilidad de la red, se ha desarrollado un cliente web para visualizar los datos producidos por la red de calidad del aire y garantizar su compatibilidad con otras redes desarrolladas sobre el estándar OGC SensorThings API.
Marsh-Hunn, Daniel
Interoperability Enhancement of IoT devices Using Open Web Standards in a Smart Farming Use Case Masters Thesis
INIT, Castellón, 2019.
BibTeX | Tags: Internet of things, interoperability, Mastergeotech, Standards
@mastersthesis{Marsh-Hunn2019,
title = {Interoperability Enhancement of IoT devices Using Open Web Standards in a Smart Farming Use Case},
author = {Daniel Marsh-Hunn},
editor = {Sergio Trilles-Oliver and Joaquín Huerta-Guijarro and Roberto André Pereira Henriques},
year = {2019},
date = {2019-03-04},
address = {Castellón},
school = {INIT},
keywords = {Internet of things, interoperability, Mastergeotech, Standards},
pubstate = {published},
tppubtype = {mastersthesis}
}
2015
Trilles-Oliver, Sergio
Aproximación al tratamiento completo del ciclo de vida sobre datos provenientes de sensores mediante estándares GIS PhD Thesis
Universitat Jaume I, 2015.
Abstract | BibTeX | Tags: Geographic Information Systems (GIS), Internet of things, Interoperability, Real time analysis, Sensors, Standards
@phdthesis{TrillesOliver2015,
title = {Aproximación al tratamiento completo del ciclo de vida sobre datos provenientes de sensores mediante estándares GIS},
author = {Sergio Trilles-Oliver},
year = {2015},
date = {2015-01-01},
school = {Universitat Jaume I},
abstract = {El aumento de la necesidad por conocer cu´ al es el estado de cualquier entorno, ya sea por motivos medioambientales, econ´omicos, como sociales, ha propiciado el crecimiento del uso de nodos de sensorizaci ´on capaces de cuantificar y cualificar cualquier tipo de fen´omeno observable. Esta necesidad, combinada con la disminuci ´on de los precios y tama˜no de los componentes, ha favorecido el despliegue de dichos nodos con la finalidad de interconectarse entre ellos formando una red que proporciona los datos de sensorizaci ´on. Mayoritariamente, las redes de sensores disponibles actualmente ofrecen sus observaciones mediante protocolos y formatos propietarios. Esta situaci ´on, muestra la carencia de un est´andar com´un para que facilite la gesti ´on de los datos generados por los sensores de una forma interoperable. Adem´as, dichos protocolos y formatos, tampoco favorecen el consumo de este tipo de contenido en entornos donde los recursos computacionales son m´as reducidos, como pueden ser tel ´ efonos m´ oviles. La tendencia actual es utilizar los protocolos de Internet para la comunicaci´on entre los nodos de sensorizaci ´on. Dichos protocolos, permiten el uso de los sensores como una parte de Internet, donde el enfoque es llamado el Internet de la Cosas. Esto propicia un escenario id ´oneo para el control de los sensores y favorece el acceso a ellos, aunque actualmente tampoco existe un est´andar capaz de ofrecer dicho enfoque de una forma universal. El uso de los protocolos de Internet ha favorecido el uso de sensores ofreciendo nuevos usos donde antes no era posible. Prueba de ello son las ciudades inteligentes, en las cuales la implantaci´on de sensores en sus alrededores, se ha hecho con la finalidad de conocer y controlar lo que est ´a sucediendo en ella. De esta forma, cada d´?a hay un mayor despliegue de redes de sensores midiendo gran cantidad de fen´omenos diferentes. Estas redes proporcionan grandes vol ´umenes de datos en m´ ultiples formatos, resoluciones y escalas con una alta tasa de generaci ´on que no es posible analizar con las tecnolog´?as actuales, por lo que es necesario ofrecer m´etodos de an´ alisis adaptados a estas caracter´?sticas. Adem´as, tambi´en se necesita ofrecer dichos an´ alisis mediante procesamientos que garanticen su reusabilidad e interoperabilidad. Esto puede lograrse mediante los procesamientos que siguen est´andares, ya que establecen una interfaz predefinida para su ejecuci ´on. Enmarcados en este escenario, se presenta la actual tesis. En ella, se utiliza como hilo conductor el ciclo de vida de cualquier contenido geoespacial, que coincide con el ciclo de los datos proporcionados por sensores. Para ello, se presentan cuatro etapas que son: adquisici ´on, publicaci ´on, acceso y an´ alisis. Para cada una de ellas se detallan los problemas existentes y se proponen diferentes soluciones. Para la etapa de adquisici ´on se presenta una plataforma de sensorizaci ´on, basada en software y hardware libre, energ´eticamente aut´onoma e integrada en el Internet de las Cosas. En la etapa de publicaci ´on se dise ˜na un procesamiento est´andar para la publicaci ´on automatizada de contenido geoespacial en los diferentes servicios est ´andares del ´ambito geoespacial. Adem´as, en la etapa de acceso proponen diferentes formas de acceder a datos de sensores dependiendo del caso de uso en particular. Las interfaces propuestas se basan en seguir los paradigmas del Internet de las Cosas a trav´es del uso de est´andares geoespaciales mejorando la interoperabilidad, adem´as de ofrecer un acceso ligero para dispositivos con restricciones limitadas o de ser capaces de servir grandes cantidades de observaciones. En la ´ultima etapa, el an´ alisis, se aportan dos metodolog´?as diferentes. La primera de ellas permite el an´ alisis en tiempo real sobre grandes cantidades de datos y, la segunda, ofrece aplicar cualquier tipo de modelo utilizando un procesamiento est ´andar. Finalmente se proponen diferentes casos de uso donde son aplicadas todas las aportaciones que se describen.},
keywords = {Geographic Information Systems (GIS), Internet of things, Interoperability, Real time analysis, Sensors, Standards},
pubstate = {published},
tppubtype = {phdthesis}
}
El aumento de la necesidad por conocer cu´ al es el estado de cualquier entorno, ya sea por motivos medioambientales, econ´omicos, como sociales, ha propiciado el crecimiento del uso de nodos de sensorizaci ´on capaces de cuantificar y cualificar cualquier tipo de fen´omeno observable. Esta necesidad, combinada con la disminuci ´on de los precios y tama˜no de los componentes, ha favorecido el despliegue de dichos nodos con la finalidad de interconectarse entre ellos formando una red que proporciona los datos de sensorizaci ´on. Mayoritariamente, las redes de sensores disponibles actualmente ofrecen sus observaciones mediante protocolos y formatos propietarios. Esta situaci ´on, muestra la carencia de un est´andar com´un para que facilite la gesti ´on de los datos generados por los sensores de una forma interoperable. Adem´as, dichos protocolos y formatos, tampoco favorecen el consumo de este tipo de contenido en entornos donde los recursos computacionales son m´as reducidos, como pueden ser tel ´ efonos m´ oviles. La tendencia actual es utilizar los protocolos de Internet para la comunicaci´on entre los nodos de sensorizaci ´on. Dichos protocolos, permiten el uso de los sensores como una parte de Internet, donde el enfoque es llamado el Internet de la Cosas. Esto propicia un escenario id ´oneo para el control de los sensores y favorece el acceso a ellos, aunque actualmente tampoco existe un est´andar capaz de ofrecer dicho enfoque de una forma universal. El uso de los protocolos de Internet ha favorecido el uso de sensores ofreciendo nuevos usos donde antes no era posible. Prueba de ello son las ciudades inteligentes, en las cuales la implantaci´on de sensores en sus alrededores, se ha hecho con la finalidad de conocer y controlar lo que est ´a sucediendo en ella. De esta forma, cada d´?a hay un mayor despliegue de redes de sensores midiendo gran cantidad de fen´omenos diferentes. Estas redes proporcionan grandes vol ´umenes de datos en m´ ultiples formatos, resoluciones y escalas con una alta tasa de generaci ´on que no es posible analizar con las tecnolog´?as actuales, por lo que es necesario ofrecer m´etodos de an´ alisis adaptados a estas caracter´?sticas. Adem´as, tambi´en se necesita ofrecer dichos an´ alisis mediante procesamientos que garanticen su reusabilidad e interoperabilidad. Esto puede lograrse mediante los procesamientos que siguen est´andares, ya que establecen una interfaz predefinida para su ejecuci ´on. Enmarcados en este escenario, se presenta la actual tesis. En ella, se utiliza como hilo conductor el ciclo de vida de cualquier contenido geoespacial, que coincide con el ciclo de los datos proporcionados por sensores. Para ello, se presentan cuatro etapas que son: adquisici ´on, publicaci ´on, acceso y an´ alisis. Para cada una de ellas se detallan los problemas existentes y se proponen diferentes soluciones. Para la etapa de adquisici ´on se presenta una plataforma de sensorizaci ´on, basada en software y hardware libre, energ´eticamente aut´onoma e integrada en el Internet de las Cosas. En la etapa de publicaci ´on se dise ˜na un procesamiento est´andar para la publicaci ´on automatizada de contenido geoespacial en los diferentes servicios est ´andares del ´ambito geoespacial. Adem´as, en la etapa de acceso proponen diferentes formas de acceder a datos de sensores dependiendo del caso de uso en particular. Las interfaces propuestas se basan en seguir los paradigmas del Internet de las Cosas a trav´es del uso de est´andares geoespaciales mejorando la interoperabilidad, adem´as de ofrecer un acceso ligero para dispositivos con restricciones limitadas o de ser capaces de servir grandes cantidades de observaciones. En la ´ultima etapa, el an´ alisis, se aportan dos metodolog´?as diferentes. La primera de ellas permite el an´ alisis en tiempo real sobre grandes cantidades de datos y, la segunda, ofrece aplicar cualquier tipo de modelo utilizando un procesamiento est ´andar. Finalmente se proponen diferentes casos de uso donde son aplicadas todas las aportaciones que se describen.
2014
Trilles-Oliver, Sergio; Belmonte-Fernández, Óscar; Díaz-Sánchez, Laura; Huerta-Guijarro, Joaquín
Mobile Access to Sensor Networks by Using GIS Standards and RESTful Services Journal Article
In: IEEE Sensors Journal, vol. 14, no. 12, pp. 4143–4153, 2014, ISSN: 1530-437X, (IF: 1.762, Q2).
Abstract | Links | BibTeX | Tags: Air quality sensors, Geographic Information Systems (GIS), interoperability, meteorological sensors, RESTFul, sensor observation services, Standards
@article{TrillesOliver2014,
title = {Mobile Access to Sensor Networks by Using GIS Standards and RESTful Services},
author = { Sergio Trilles-Oliver and Óscar Belmonte-Fernández and Laura Díaz-Sánchez and Joaquín Huerta-Guijarro},
url = {http://hdl.handle.net/10234/145376},
doi = {10.1109/JSEN.2014.2339931},
issn = {1530-437X},
year = {2014},
date = {2014-01-01},
journal = {IEEE Sensors Journal},
volume = {14},
number = {12},
pages = {4143--4153},
abstract = {There is an increasing deployment of sensor networks that measure the physical state of the environment. These networks provide large volumes of data in many different formats, resolutions, and scales. There are different types and character of data: from meteorological conditions to air quality and the concentrations of pollutants due to human activity, such as transportation or other industry-related actions. Current sensor networks publish this data in different formats. This implies not offering standard access to different data sources. These varieties of formats lead to an interoperability problem. Also, access to these sources is not fast and agile; it prevents access through mobile devices. The work in this paper aims at increasing the interoperability and improving accessibility of data provided by sensor networks. In this way, these data can be employed by different devices and with diverse context requirements, such as specific location and time. To address this problem, geographic information system services, such as the sensor observation service, in conjunction with representational state transfer architecture are used. A standard-based solution that increases interoperability is presented. It also allows a better integration of data that has already been published in different semistructured formats in order to be used by various platforms (web or mobile). Furthermore, this system adds value to original sensor data in order to assist in the decision making process. Finally, to illustrate how to use these services, a mobile application that shows the hot-spots following air quality index has been developed},
note = {IF: 1.762, Q2},
keywords = {Air quality sensors, Geographic Information Systems (GIS), interoperability, meteorological sensors, RESTFul, sensor observation services, Standards},
pubstate = {published},
tppubtype = {article}
}
There is an increasing deployment of sensor networks that measure the physical state of the environment. These networks provide large volumes of data in many different formats, resolutions, and scales. There are different types and character of data: from meteorological conditions to air quality and the concentrations of pollutants due to human activity, such as transportation or other industry-related actions. Current sensor networks publish this data in different formats. This implies not offering standard access to different data sources. These varieties of formats lead to an interoperability problem. Also, access to these sources is not fast and agile; it prevents access through mobile devices. The work in this paper aims at increasing the interoperability and improving accessibility of data provided by sensor networks. In this way, these data can be employed by different devices and with diverse context requirements, such as specific location and time. To address this problem, geographic information system services, such as the sensor observation service, in conjunction with representational state transfer architecture are used. A standard-based solution that increases interoperability is presented. It also allows a better integration of data that has already been published in different semistructured formats in order to be used by various platforms (web or mobile). Furthermore, this system adds value to original sensor data in order to assist in the decision making process. Finally, to illustrate how to use these services, a mobile application that shows the hot-spots following air quality index has been developed
2012
Díaz-Sánchez, Laura; Granell-Canut, Carlos; Huerta-Guijarro, Joaquín; Gould, Michael
Web 2.0 Broker: A standards-based service for spatio-temporal search of crowd-sourced information Journal Article
In: Applied Geography, vol. 35, no. 1-2, pp. 448-459, 2012, ISSN: 0143-6228.
Abstract | Links | BibTeX | Tags: crowdsourcing, EUROGEOSS, GEOCLOUD, Open Search, Standards, Web 2.0, web services
@article{DiazSanchez2012c,
title = {Web 2.0 Broker: A standards-based service for spatio-temporal search of crowd-sourced information},
author = { Laura Díaz-Sánchez and Carlos Granell-Canut and Joaquín Huerta-Guijarro and Michael Gould},
url = {http://hdl.handle.net/10234/64272},
doi = {10.1016/j.apgeog.2012.09.008},
issn = {0143-6228},
year = {2012},
date = {2012-11-01},
journal = {Applied Geography},
volume = {35},
number = {1-2},
pages = {448-459},
abstract = {Recent trends in information technology show that citizens are increasingly willing to share information using tools provided by Web 2.0 and crowdsourcing platforms to describe events that may have social impact. This is fuelled by the proliferation of location-aware devices such as smartphones and tablets; users are able to share information in these crowdsourcing platforms directly from the field at real time, augmenting this information with its location. Afterwards, to retrieve this information, users must deal with the different search mechanisms provided by the each Web 2.0 services. This paper explores how to improve on the interoperability of Web 2.0 services by providing a single service as a unique entry to search over several Web 2.0 services in a single step. This paper demonstrates the usefulness of the Open Geospatial Consortium's OpenSearch Geospatial and Time specification as an interface for a service that searches and retrieves information available in crowdsourcing services. We present how this information is valuable in complementing other authoritative information by providing an alternative, contemporary source. We demonstrate the intrinsic interoperability of the system showing the integration of crowd-sourced data in different scenarios.},
keywords = {crowdsourcing, EUROGEOSS, GEOCLOUD, Open Search, Standards, Web 2.0, web services},
pubstate = {published},
tppubtype = {article}
}
Recent trends in information technology show that citizens are increasingly willing to share information using tools provided by Web 2.0 and crowdsourcing platforms to describe events that may have social impact. This is fuelled by the proliferation of location-aware devices such as smartphones and tablets; users are able to share information in these crowdsourcing platforms directly from the field at real time, augmenting this information with its location. Afterwards, to retrieve this information, users must deal with the different search mechanisms provided by the each Web 2.0 services. This paper explores how to improve on the interoperability of Web 2.0 services by providing a single service as a unique entry to search over several Web 2.0 services in a single step. This paper demonstrates the usefulness of the Open Geospatial Consortium's OpenSearch Geospatial and Time specification as an interface for a service that searches and retrieves information available in crowdsourcing services. We present how this information is valuable in complementing other authoritative information by providing an alternative, contemporary source. We demonstrate the intrinsic interoperability of the system showing the integration of crowd-sourced data in different scenarios.
Tamayo-Fong, Alain; Granell-Canut, Carlos; Huerta-Guijarro, Joaquín
Using SWE Standards for Ubiquitous Environmental Sensing: A Performance Analysis Journal Article
In: Sensors, vol. 12, pp. 12026–12051, 2012, ISSN: 1424-8220, (IF: 1.939, Q1).
Abstract | Links | BibTeX | Tags: environmental monitoring, GEOCLOUD, OSMOSIS, Sensors, Standards
@article{TamayoFong2012a,
title = {Using SWE Standards for Ubiquitous Environmental Sensing: A Performance Analysis},
author = { Alain Tamayo-Fong and Carlos Granell-Canut and Joaquín Huerta-Guijarro},
url = {http://hdl.handle.net/10234/62253},
doi = {10.3390/s120912026},
issn = {1424-8220},
year = {2012},
date = {2012-08-01},
journal = {Sensors},
volume = {12},
pages = {12026--12051},
abstract = {Although smartphone applications represent the most typical data consumer tool from the citizen perspective in environmental applications, they can also be used for in-situ data collection and production in varied scenarios, such as geological sciences and biodiversity. The use of standard protocols, such as SWE, to exchange information between smartphones and sensor infrastructures brings benefits such as interoperability and scalability, but their reliance on XML is a potential problem when large volumes of data are transferred, due to limited bandwidth and processing capabilities on mobile phones. In this article we present a performance analysis about the use of SWE standards in smartphone applications to consume and produce environmental sensor data, analysing to what extent the performance problems related to XML can be alleviated by using alternative uncompressed and compressed formats.},
note = {IF: 1.939, Q1},
keywords = {environmental monitoring, GEOCLOUD, OSMOSIS, Sensors, Standards},
pubstate = {published},
tppubtype = {article}
}
Although smartphone applications represent the most typical data consumer tool from the citizen perspective in environmental applications, they can also be used for in-situ data collection and production in varied scenarios, such as geological sciences and biodiversity. The use of standard protocols, such as SWE, to exchange information between smartphones and sensor infrastructures brings benefits such as interoperability and scalability, but their reliance on XML is a potential problem when large volumes of data are transferred, due to limited bandwidth and processing capabilities on mobile phones. In this article we present a performance analysis about the use of SWE standards in smartphone applications to consume and produce environmental sensor data, analysing to what extent the performance problems related to XML can be alleviated by using alternative uncompressed and compressed formats.
Tamayo-Fong, Alain; Granell-Canut, Carlos; Huerta-Guijarro, Joaquín
Measuring complexity in OGC web services XML schemas: Pragmatic use and solutions Journal Article
In: International Journal of Geographical Information Science, vol. 26, no. 6, pp. 1109–1130, 2012, ISSN: 1365-8816, (IF: 1.613, Q1).
Abstract | Links | BibTeX | Tags: ESPANA-VIRTUAL, OGC web services, Software metrics, Standards, XML schema
@article{TamayoFong2012b,
title = {Measuring complexity in OGC web services XML schemas: Pragmatic use and solutions},
author = { Alain Tamayo-Fong and Carlos Granell-Canut and Joaquín Huerta-Guijarro},
url = {http://hdl.handle.net/10234/62168},
doi = {10.1080/13658816.2011.626602},
issn = {1365-8816},
year = {2012},
date = {2012-06-01},
journal = {International Journal of Geographical Information Science},
volume = {26},
number = {6},
pages = {1109--1130},
abstract = {The use of standards in the geospatial domain, such as those defined by the Open Geospatial Consortium (OGC), for exchanging data has brought a great deal of interoperability upon which systems can be built in a reliable way. Unfortunately, these standards are becoming increasingly complex, making their implementation an arduous task. The use of appropriate software metrics can be very useful to quantify different properties of the standards that ultimately may suggest different solutions to deal with problems related to their complexity. In this regard, we present in this article an attempt to measure the complexity of the schemas associated with the OGC implementation specifications. We use a comprehensive set of metrics to provide a multidimensional view of this complexity. These metrics can be used to evaluate the impact of design decisions, study the evolution of schemas, and so on. We also present and evaluate different solutions that could be applied to overcome some of the problems associated with the complexity of the schemas. textcopyright 2012 Taylor & Francis.},
note = {IF: 1.613, Q1},
keywords = {ESPANA-VIRTUAL, OGC web services, Software metrics, Standards, XML schema},
pubstate = {published},
tppubtype = {article}
}
The use of standards in the geospatial domain, such as those defined by the Open Geospatial Consortium (OGC), for exchanging data has brought a great deal of interoperability upon which systems can be built in a reliable way. Unfortunately, these standards are becoming increasingly complex, making their implementation an arduous task. The use of appropriate software metrics can be very useful to quantify different properties of the standards that ultimately may suggest different solutions to deal with problems related to their complexity. In this regard, we present in this article an attempt to measure the complexity of the schemas associated with the OGC implementation specifications. We use a comprehensive set of metrics to provide a multidimensional view of this complexity. These metrics can be used to evaluate the impact of design decisions, study the evolution of schemas, and so on. We also present and evaluate different solutions that could be applied to overcome some of the problems associated with the complexity of the schemas. textcopyright 2012 Taylor & Francis.