Tag: VGI
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A Conceptual Quality Framework for Volunteered Geographic Information @ COSIT 2015 this Tuesday
The Conference on Spatial Information Theory (COSIT) is taking place this week in Santa Fe, USA. This Tuesday our paper on “A Conceptual Quality Framework for Volunteered Geographic Information” by Andrea Ballatore and Alexander Zipf is being presented there. It outlines new proxy measures to several facets of conceptual quality, including accuracy, granularity, completeness, consistency,…
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Program of our ISSDQ session on “Quality analysis of Volunteered Geographic Information (VGI) towards effective use” is online
The program of our special session SS1 on “Quality analysis of Volunteered Geographic Information (VGI) towards effective use” at the 9th International Symposium on Spatial Data Quality (ISSDQ 2015) has been published online. ISSDQ is an event at the ISPRS Geospatial Week 2015 in Montpellier – La Grande Motte, France. The session is scheduled on…
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Quality Evaluation of OSM with Authoritative Data — a study of Land Use in Southern Germany
Volunteered Geographic Information (VGI) such as data derived from the OpenStreetMap (OSM) project is a popular data source for freely available geographic data. There is frequently a cause of concern regarding the quality and usability of such data. In addition to our former studies (further here) or complementing our OSM in GIScience Book in a…
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Post-disaster damage assessment – combining remote sensing image analysis and crowdsourcing (Dr. Norman Kerle, ITC), GIScience HD Colloquium, Wednesday 22.07.15
We cordially invite anybody to our final GIScience colloquium in this summer term. Dr. Norman Kerle from ITC will talk about Post-disaster damage assessment – combining remote sensing image analysis and crowdsourcing on Wednesday, Jul 22, 2015, 4:00 pm, at Hörsaal, Berliner Straße 48, Institute of Geography, Heidelberg University Following a disaster event a rapid…
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A Conceptual Quality Framework for Volunteered Geographic Information (VGI)
The assessment of the quality of volunteered geographic information (VGI) is cornerstone to understand the fitness for purpose of VGI in many application domains. Most analyses focus on the geometric and positional quality, and only sporadic attention has been devoted to the interpretation of the data, i.e., the communication process through which consumers try to…
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Crowdsourcing Accessibility Information – Talk at University of Education Heidelberg
Yesterday, a talk was given by Stefan Hahmann within the frame of the colloquium series of the geography department at Heidelberg University of Education. The talk was entitled “Crowdsourcing for individual needs – the example of wheelchair routing“. Besides a general introduction to the field of crowdsourcing, VGI and OpenStreetMap, our research and development activities…
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RICH-VGI workshop at 18th AGILE conference, Lisbon
Our AGILE workshop called RICH-VGI (enRICHment of volunteered geographic information (VGI): Techniques, practices and current state of knowledge) was held on June 9, 2015 in Lisbon as part of the 18th AGILE Conference on Geographic Information Science of the Association of Geographic Information Laboratories in Europe (AGILE) with comparatively a large number of participants. The…
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Report on Human Sensor and Geographic Information Systems for Disaster Risk Management (HSenSIG) training school
On the dates of 11 to 15th of May, the European Commission (COST Action TD1202: Mapping and the Citizen Sensor) organized a training school on Human Sensor and Geographic Information Systems for Disaster Risk Management (HSenSIG) hosted by the Institute for Systems Engineering and Computers at University of Coimbra, Portugal. Our colleague, Prof. João Porto Albuquerque was invited…