Crowdsourcing (geo-) information and participatory GIS are among the current hot topics in
research and industry. Various projects are implementing participatory sensing concepts …

OpenLitterMap rewards users with Littercoin for producing open data on litter. Open data on
the geospatial characteristics of litter provide means of invoking and evaluating responses to …

This research presents an adaptive and personalized routing model that enables individuals
with mobility impairments to save their route preferences to a mobility assistant platform. The …

Nowadays, Volunteered Geographic Information (VGI) has increasingly gained
attractiveness to both amateur users and professionals. Using data generated from the …

Tailored routing and navigation services utilized by wheelchair users require certain
information about sidewalk geometries and their attributes to execute efficiently. Except …

Nowadays, several research projects show interest in employing volunteered geographic
information (VGI) to improve their systems through using up-to-date and detailed data. The …

Finding relevant geospatial information is increasingly critical because of the growing
volume of geospatial data available within the emerging “Big Data” era. Users are expecting …

Digital indoor maps are still in early stages of development but the demand for indoor
location-based services is increasing continuously. Especially people with disabilities can …

Nowadays, governments from around the world and stakeholders from the business sector
both participate to and promote open geospatial science. Governments increasingly provide …

The OpenStreetMap (OSM) geographic data model has three principal object types: nodes
(points), ways (polygons and polylines), and relations (logical grouping of all three object …