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GIS
2009
ACM
14 years 11 months ago
2009
ACM
Space- and time-referenced data published on the Web by general people can be viewed in a dual way: as independent spatiotemporal events and as trajectories of people in the geogr...
GIS
2009
ACM
14 years 1 months ago
2009
ACM
The essential elements of any navigation system are a shortest-path algorithm and accurate map data. The contribution of this work is two-fold. First, the HBA algorithm, an effici...
GIS
2009
ACM
14 years 4 months ago
2009
ACM
Gazetteers are key components of georeferenced information systems, including applications such as Web-based mapping services. Existing gazetteers lack the capabilities to fully i...
GIS
2009
ACM
14 years 4 months ago
2009
ACM
Volunteered geographic information such as that available in blogs, wikis, social networking sites, and community contributed photo collections is enabling new applications. This ...
GIS
2009
ACM
14 years 4 months ago
2009
ACM
Naive Geography’s premise “Topology matters, metric refines” calls for metric properties that provide opportunities for finergrained distinctions than the purely qualitative...