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.
Díaz-Sánchez, Laura; Núñez-Redó, Manuela; González, David; Gil-Altaba, José; Aragó-Galindo, Pau; Pultar, Edward; Huerta-Guijarro, Joaquín
Alternative search mechanism for web 2.0 resources Proceedings Article
In: Eurogeoss Conference. Madrid, 25-27 January 2012, Madrid, 2012.
Abstract | BibTeX | Tags: Open Search, VGI, Web 2.0
@inproceedings{DiazSanchez2012d,
title = {Alternative search mechanism 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},
year = {2012},
date = {2012-01-01},
booktitle = {Eurogeoss Conference. Madrid, 25-27 January 2012},
address = {Madrid},
abstract = {Nowadays we are witnessing how ordinary citizens are willing to share geospatial information using the friendly and easy-to use functionality provided by the web 2.0 platforms. These kind of social networks reflect events with big social impacts as is the case of forest fires, in particular when they occur close to urban areas. In these cases, social networks are invaded with volunteer information, mostly adding some location information, i.e., volunteered geographic information (VGI) sharing information about the forest fire evolution, which describes the forest fire extinction and impact. We discuss, how this information could be useful to complement other official sources with earth observation data and scientific information providing an alternative source. For the time being, in order to discover and access this VGI is necessary to deal with the different search mechanisms provided by the different web 2.0 services. This paper explores how to improve the interoperability of these platforms by providing a single service as a unique entry point with an interface that implements an standard specification: Open Search Geo-Time. This paper proposes the use of OGC Opensearch geospatial and time specification to discover and access information available in different web 2.0 services. As a proof of concept a web client is presented in a forest fire scenario. The intrinsically interoperability of the system is reflected in the collaborations cropped up with different disciplines such as the biodiversity and forestry department of the Joint Research Centre.},
keywords = {Open Search, VGI, Web 2.0},
pubstate = {published},
tppubtype = {inproceedings}
}
Nowadays we are witnessing how ordinary citizens are willing to share geospatial information using the friendly and easy-to use functionality provided by the web 2.0 platforms. These kind of social networks reflect events with big social impacts as is the case of forest fires, in particular when they occur close to urban areas. In these cases, social networks are invaded with volunteer information, mostly adding some location information, i.e., volunteered geographic information (VGI) sharing information about the forest fire evolution, which describes the forest fire extinction and impact. We discuss, how this information could be useful to complement other official sources with earth observation data and scientific information providing an alternative source. For the time being, in order to discover and access this VGI is necessary to deal with the different search mechanisms provided by the different web 2.0 services. This paper explores how to improve the interoperability of these platforms by providing a single service as a unique entry point with an interface that implements an standard specification: Open Search Geo-Time. This paper proposes the use of OGC Opensearch geospatial and time specification to discover and access information available in different web 2.0 services. As a proof of concept a web client is presented in a forest fire scenario. The intrinsically interoperability of the system is reflected in the collaborations cropped up with different disciplines such as the biodiversity and forestry department of the Joint Research Centre.
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
In: International Journal of Spatial Data Infrastructures Research, vol. 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.