Feed on
Posts
Comments

Tag Archive 'quality analysis'

Using data generated from the crowd has become a hot topic for several application domains including transportation. However, there are concerns regarding the quality of such datasets. As one of the most important crowdsourced mapping platforms, in a recent study (1) we analyze the fitness for use of OpenStreetMap (OSM) database for routing and navigation [...]

Read Full Post »

An invited introductive overview article on “Online Participation in Geoinformation Technology” with a specific focus on OpenStreetMap has been published in the special issue “Online Participation” of the German language journal “Praxis der Wirtschaftsinformatik”. It gives some introduction and selected examples of potential usages of OSM data.
Griesbaum, L., Eckle, M., Herfort, B., Raifer, M., Zipf, [...]

Read Full Post »

The programme of the AGIT Symposium 2017 in Salzburg is online now and it includes a first paper about the work at GIScience Heidelberg on OSMlanduse.org. It will be presented 6 July in the afternoon at AGIT Salzburg.
The talk is entitled “OSMLanduse Version 1″ while the full titel of the paper is:
Voß, J., M. Auer, [...]

Read Full Post »

Geographic information crowdsourcing is an increasingly popular approach to derive geographic data about human settlements from remotely sensed imagery. However, crowdsourcing approaches are frequently associated with uncertainty about the quality of the information produced. Although previous studies have found acceptable quality of crowdsourced information in some application domains, there is still lack of research about [...]

Read Full Post »

Crowdsourced Geographic Information (CGI) has emerged as a potential source of geographic information for different domains. Despite advantages associated with it, such information lacks quality assurance, since it is provided by different individuals. Several authors have investigated different approaches to assess CGI quality. Some of the existing methods have been summarized in different classification schemas. [...]

Read Full Post »

VGI-Analytics 2017
Volunteered Geographic Information (VGI) and social media data have become part of our everyday lives over the past few years. Whereas in the early beginnings of crowd-sourced data the collection occurred primarily to isolated, individual platforms, contribution patterns are now beginning to be more intertwined between different platforms, both [...]

Read Full Post »

VGI-Analytics 2017 is the 4th workshop in a series of AGILE pre-conference workshops
Volunteered Geographic Information (VGI) and social media data have become part of our everyday lives over the past few years. Whereas in the early beginnings of crowd-sourced data the collection occurred primarily to isolated, individual platforms, contribution patterns are now beginning to be more [...]

Read Full Post »

On Tuesday 17th January, the CAP4Access/MyAccessible.EU came to a close after three years with the successful completion of the final European Commission review meeting in Brussels. Reviewers were highly pleased with the outcomes of the project, both on the technical and societal fronts.
At GIScience in Heidelberg, through the EC FP7 project we have extended the [...]

Read Full Post »

cfp: VGI-Analytics 2017
Volunteered Geographic Information (VGI): Integration, ANALYsis, applICationS
Tuesday, 9th May 2017, Wageningen University, The Netherlands at AGILE 2017

VGI-Analytics 2017 is the [...]

Read Full Post »

Last week on Monday 12th, we organized a workshop for the CAP4Access project that aimed to discuss ideas and methods on how the developed tools and services within the project would be exploited especially after the project has came to an end.
Dr. Emmanuel Sofianopoulos was the expert for the workshop appointed by the European Commission. The workshop [...]

Read Full Post »

Older Posts »