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Web 2.0 Broker: A standards-based service for spatio-temporal search of crowd-sourced information

Laura Díaz, Carlos Granell, Joaquín Huerta, Michael Gould
2012 Applied Geography  
We demonstrate the intrinsic interoperability of the system showing the integration of crowd-sourced data in different scenarios.  ...  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  ...  Acknowledgments This work has been partially supported by the FP7 European project EuroGEOSS (Project number 226487) and the GEOCLOUD project reference (IPT-430000-2010-11, subprogram Innpacto 2010, Ministerio  ... 
doi:10.1016/j.apgeog.2012.09.008 fatcat:xsgptuhgurh6ddftpxfcdhk2pi

Discovery and Integration of Web 2.0 Content into Geospatial Information Infrastructures: A Use Case in Wild Fire Monitoring [chapter]

Manuela Núñez-Redó, Laura Díaz, José Gil, David González, Joaquín Huerta
2011 Lecture Notes in Computer Science  
On the contrary mainstream IT systems and in particular the emerging Web 2.0 Services allow active user participation that is becoming a massive source of dynamic geospatial resources.  ...  This provokes a bottleneck in content publication and therefore a lack of content availability.  ...  Content Layer We focus on the integration of both official and non official sources. Specifically, we focus on the retrieval of the content provided by Web 2.0 Services.  ... 
doi:10.1007/978-3-642-23300-5_5 fatcat:yv6cyy5ncbhktm5un62ignilwu

Geospatial Data Analysis in Russia's Geoweb [chapter]

Mykola Makhortykh
2020 The Palgrave Handbook of Digital Russia Studies  
The chapter discusses different sources of these data available for Digital Russian Studies (e.g., social data and crowdsourced databases) together with the novel techniques for extracting geolocation  ...  Facilitated by the rise of geographic information systems and user-generated content, the distribution of geospatial data has blurred the line between physical spaces and their virtual representations.  ...  Unlike established sources of geographic information (e.g., open datasets produced by national mapping agencies), crowdsourced databases rely on the assumption that geospatial content produced and edited  ... 
doi:10.1007/978-3-030-42855-6_32 fatcat:so32pt42n5c7daj4z4j35hsqwi

A Survey of Volunteered Open Geo-Knowledge Bases in the Semantic Web [chapter]

Andrea Ballatore, David C. Wilson, Michela Bertolotto
2013 Intelligent Systems Reference Library  
Numerous efforts in the Semantic Geospatial Web, Volunteered Geographic Information (VGI), and the Linking Open Data initiative have converged in a constellation of open knowledge bases, freely available  ...  Research directions in information integration and Geographic Information Retrieval (GIR) are then reviewed, with a critical discussion of their current limitations and future prospects.  ...  For this reason, we provide a survey of currently active knowledge bases with particular emphasis on their geospatial content, and we review the state of the art in information integration and GIR, including  ... 
doi:10.1007/978-3-642-37688-7_5 fatcat:i72rmxk36fbnrmnrdpkmccrbfu

Crowdsourced Data Mining for Urban Activity: Review of Data Sources, Applications, and Methods

Haifeng Niu, Elisabete A. Silva
2020 Journal of urban planning and development  
The penetration of devices integrated with location-based services and internet services has generated massive data about the everyday life of citizens and tracked their activities happening in cities.  ...  However, due to the heterogeneity of data types of crowdsourced data and the limitation of previous studies mainly focusing on a specific application, a systematic review of crowdsourced data mining for  ...  De , Granell and Ostermann (2016) , and Kim and Hastak Hollenstein and Purves (2010) and Feick and Robertson (2015) Acknowledgment This research is funded by a scholarship from the China Scholarship  ... 
doi:10.1061/(asce)up.1943-5444.0000566 fatcat:vec2lz2olbfbjoem2lfnulzswi

Towards A Crowdsourced Supervision Of The Analysis Of User-Generated Geographic Content: Engaging Citizens In Discovering Urban Places

Frank O. Ostermann, Gustavo Garcia-Chapeton, Menno-Jan Kraak, Raul Zurita-Milla
2018 Zenodo  
The human supervisors rate the clustering of potentially similar geo-located photographs from the platform Flickr, and thereby help parametrize both the data mining of geospatial clusters, as well as the  ...  This paper presents a conceptual model and a proof-of-concept implementation of a novel approach to engage citizens in supervising the analysis of user-generated geographic content (UGGC).  ...  Acknowledgements We thank the annotators and interface testers for their efforts and valuable feedback. References Abel, F., Hauff, C., Houben, G.-J., Stronkman, R., Tao  ... 
doi:10.5281/zenodo.1215682 fatcat:pnlhijoocjcjrekjehat5wmzdq

Introduction [chapter]

Cristina Capineri, Muki Haklay, Haosheng Huang, Vyron Antoniou, Juhani Kettunen, Frank Ostermann, Ross Purves
2016 European Handbook of Crowdsourced Geographic Information  
A number of fundamental questions were examined at this meeting and the results showed that VGI was a field of great potential, but lacking methodological and functional developments (NCGIA 2007) .  ...  Research Office and The Vespucci Initiative (  ...  The contents of this essay also draw from the activities of the COST Action IC1203 ENERGIC, European Network Exploring research into Geospatial Information Crowdsourcing, which the authors belong to.  ... 
doi:10.5334/bax.a fatcat:klpu5jalnve6vklrzbfkyq75g4

E2mC: Improving Emergency Management Service Practice through Social Media and Crowdsourcing Analysis in Near Real Time

Clemens Havas, Bernd Resch, Chiara Francalanci, Barbara Pernici, Gabriele Scalia, Jose Fernandez-Marquez, Tim Van Achte, Gunter Zeug, Maria Mondardini, Domenico Grandoni, Birgit Kirsch, Milan Kalas (+2 others)
2017 Sensors  
Like this, the timeliness and accuracy of geospatial information products provided to civil protection authorities can be improved through leveraging user-generated data.  ...  While satellite imagery is still a valuable source for disaster management, information products can be improved through complementing them with user-generated data like social media posts or crowdsourced  ...  Conflicts of Interest: The authors declare no conflict of interest.  ... 
doi:10.3390/s17122766 pmid:29186080 pmcid:PMC5751655 fatcat:2trtqzcvxjcnrafhzamvi7k4fa

A review of the emergent ecosystem of collaborative geospatial tools for addressing environmental challenges

Jenny Palomino, Oliver C. Muellerklein, Maggi Kelly
2017 Computers, Environment and Urban Systems  
Overall, our results highlight how environmental collaborations have benefitted from the use of these tools and propose key areas of future tool development for continued support of collaborative geospatial  ...  We present this typology as a map of the emergent ecosystem and functional niches of collaborative geospatial tools.  ...  With an emphasis on standardized and repeatable workflows, Spatial Data Science promotes the compilation and integration of disparate data from multiple sources, the use of open source and cloud/web-based  ... 
doi:10.1016/j.compenvurbsys.2017.05.003 fatcat:gw2zdnd6jjerjff6yvb3romwmy

Volunteered Geographic Information System and Its Contribution in Service Sector Employment [chapter]

N N Ramaprasad, Priya Narayanan
2019 Geographic Information Systems [Working Title]  
The potential of identifying the position of the observer in the geographical system in relation with neighbouring details and the instantaneous communication to the web server has created big data in  ...  The scope of expansion of this technology regarding the user community and knowledge utilisation awaits its versatility.  ...  13 Volunteered Geographic Information System and Its Contribution in Service Sector Employment DOI:  ... 
doi:10.5772/intechopen.82004 fatcat:ymrh35h5kzazhlp6othadcawqy

Information from imagery: ISPRS scientific vision and research agenda

Jun Chen, Ian Dowman, Songnian Li, Zhilin Li, Marguerite Madden, Jon Mills, Nicolas Paparoditis, Franz Rottensteiner, Monika Sester, Charles Toth, John Trinder, Christian Heipke
2016 ISPRS journal of photogrammetry and remote sensing (Print)  
Photogrammetry is the science and technology of extracting reliable three-dimensional geometric and thematic information, often over time, of objects and scenes from image and range data.  ...  Employing concepts and methods from spatial information science is an essential step in the process of obtaining useful information from images, since typically the description and location of objects  ...  We also acknowledge ISPRS Honorary Members, Fellows, Technical Commission Presidents and other ISPRS officers for their valuable comments and suggestions.  ... 
doi:10.1016/j.isprsjprs.2015.09.008 fatcat:jqee72qpufgsjbs5xouxfquhh4

Chapter 3 Local Web Search Examined [chapter]

Dirk Ahlers
2012 Library and Information Science  
Originality/value An overview of GIR technology in the context of commercial search engines integrates research efforts and commercial systems and helps to understand both sides better.  ...  search, and understanding the data sources and used technologies.  ...  , explore, and visualize geospatial Web content according to its location semantics.  ... 
doi:10.1108/s1876-0562(2012)002012a005 fatcat:qinlszqmgfamhdpvbahr65n4aa

Review of Web Mapping: Eras, Trends and Directions

Bert Veenendaal, Maria Antonia Brovelli, Songnian Li
2017 ISPRS International Journal of Geo-Information  
The whole environment of web mapping captures the integration and interaction between three components found online, namely, geospatial information, people and functionality.  ...  This paper reviews the developments of web mapping from the first static online map images to the current highly interactive, multi-sourced web mapping services that have been increasingly moved to cloud  ...  The authors appreciate the feedback from web mapping students who used the framework in their curriculum, and would like to thank anonymous reviewers for their constructive comments, which helped improve  ... 
doi:10.3390/ijgi6100317 fatcat:7zd4zn55o5am5fn2sipmzdiuoa

TripleGeo-CSW: A Middleware for Exposing Geospatial Catalogue Services on the Semantic Web

Spiros Athanasiou, Nikos Georgomanolis, Kostas Patroumpas, Michalis Alexakis, Thodoris Stratiotis
2015 International Conference on Extending Database Technology  
But the vast quantity of offered geospatial information is rather difficult to explore, and its quality hard to assess, due to lack of sufficient metadata.  ...  A wealth of data and services are available on the Web, and often have geographical context as well.  ...  ACKNOWLEDGEMENTS This work was partially supported by the European Commission under FP7-ICT-2011-8 grant #318159 "GeoKnow -Making the Web an Exploratory Place for Geospatial Knowledge" and FP7-ICT-2013  ... 
dblp:conf/edbt/Athanasiou15 fatcat:t7vbkytsxjffzewt5wkq7v3amy

A Framework for Scaling Urban Transformative Resilience Through Utilizing Volunteered Geographic Information

Mahsa Moghadas, Abbas Rajabifard, Alexander Fekete, Theo Kötter
2022 ISPRS International Journal of Geo-Information  
Therefore, based on a qualitative content analysis of available resources, this paper explores the key aspects of using VGI for transformative resilience and proposes a comprehensive framework structured  ...  To support these transformative pathways, considering techno-social co-evolution and digital transformation, using new data sources such as Volunteered Geographic Information (VGI) and crowdsourcing are  ...  Standards and Policies Open source and user-generated geospatial content and its foundations (such as the Open Source Geospatial Foundation) are expected to grow at both the national and international  ... 
doi:10.3390/ijgi11020114 fatcat:2bsuvvuefjcmpkweck2q726vzm
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