Volunteered Geographic Information (VGI) represents a growing source of potentially
valuable data for many applications, including land cover map validation. It is still an …

Uncertainty over the data quality of Volunteered Geographic Information (VGI) is the largest
barrier to the use of this data source by National Map** Agencies (NMAs) and other …

Despite the potential of social media for environmental monitoring, concerns remain about
the quality and reliability of the information automatically extracted. Notably there are many …

Maps are a fundamental resource in a diverse array of applications ranging from everyday
activities, such as route planning through the legal demarcation of space to scientific studies …

Geo-tagged photographs are used increasingly as a source of Volunteered Geographic
Information (VGI), which could potentially be used for land use and land cover applications …

In this paper, we discuss and review how combined multiview imagery from satellite to street
level can benefit scene analysis. Numerous works exist that merge information from remote …

Spatial or GIS-based Multicriteria Decision Analysis (GIS-MCDA) incorporates a mixed set of
theories, methods and tools in order to combine geospatial data with decision makers' …

Land cover validation plays an important role in the process of generating and distributing
land cover thematic maps, which is usually implemented by high cost of sample …

Highlights•Detailed social network site image survey of spatiotemporal ecological
phenomena.•The seasonal bloom of Japanese cherries is revealed at a national scale.•A …

This study explored the land use/land cover (LULC) separability by the machine-generated
and user-generated Flickr photo tags (ie the auto-tags and the user-tags, respectively) …