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GeoJournal, 2008
For the most part, we find our way around the planet by tapping memory, perhaps by recalling past routes, or sometimes by accessing stored mental images that approximate maps. In other cases, however, we must rely on information collected and made available to us by others.
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For the most part, we find our way around the planet by tapping memory, perhaps by recalling past routes, or sometimes by accessing stored mental images that approximate maps. In other cases, however, we must rely on information collected and made available to us by others.
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2017
The advent of user-generated content, crowdsourcing and other forms of lay data generation have led to opposing arguments about the quality and reliability of data in the geoweb,. The main focus of this chapter is an ‘experiment' to test the quality, validity and lay monitoring of volunteered geographic information (VGI) data.
Michael Buzzelli +3 more
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The advent of user-generated content, crowdsourcing and other forms of lay data generation have led to opposing arguments about the quality and reliability of data in the geoweb,. The main focus of this chapter is an ‘experiment' to test the quality, validity and lay monitoring of volunteered geographic information (VGI) data.
Michael Buzzelli +3 more
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Virtual geographic information system (VGIS)
1994The implementation and proficient use of GISs has become so complicated that it is growing towards a domain in itself. The "Virtual GIS" (VGIS) aims at the use of the "knowledge base" that is inherent in a GIS for the automatic interpretation of remotely sensed images.
Jochen Albrecht, Manfred Ehlers
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Management and validation of VGI
2013 1st International Conference on Emerging Trends and Applications in Computer Science, 2013With the advent of web based geospatial applications or geo-portals which allow for access and exchange of geographic information through the internet, the concept that enables users or individuals to contribute geographic content and other information related to it, has become a new area of research in Geographic Information System(GIS).
Vartika Bajpai, D.K. Yadav
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Understanding the Value of VGI
2012Growing investments of time, money and other resources in the production of geographic information (GI) in concert with the increasingly widespread use of GI throughout society are often accompanied by statements that reference the economic, cultural and social value of GI.
Rob Feick, Stéphane Roche
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2016
Availability of up- to-date geographic datasets, including the information voluntarily created by ordinary people, is crucial for disaster management in areas affected by catastrophic events and humanitarian crises. OpenStreetMap (OSM) is the most popular Volunteered Geographic Information (VGI) project that has been extensively used for collaborative ...
Lupia Flavio +4 more
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Availability of up- to-date geographic datasets, including the information voluntarily created by ordinary people, is crucial for disaster management in areas affected by catastrophic events and humanitarian crises. OpenStreetMap (OSM) is the most popular Volunteered Geographic Information (VGI) project that has been extensively used for collaborative ...
Lupia Flavio +4 more
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Quality Attributes and Methods for VGI
2016The widespread use of GPS-equipped devices such as smartphones and tablets and the easy handling of online maps are simplifying the production and dissemination of volunteered geographic information (VGI) through the internet. VGI systems collect and distribute this type of information and can be used, for example, in cases of natural disasters ...
Jean Henrique de Sousa Câmara +3 more
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Improving Accessibility Through VGI and Crowdsourcing
2017Accessibility is an important element in the life of those who have certain limitations, such as the physically disabled and visually impaired people. However, one of the greatest challenges for this group is to find paths and areas adapted to their limitations while performing their daily activities, since not all environments they explore have these ...
Igor Gomes Cruz, Claudio E.C. Campelo
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