GIS
2009
ACM
13 years 11 months ago
2009
ACM
GIS
2009
ACM
13 years 11 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...
GIS
2009
ACM
13 years 11 months ago
2009
ACM
In this paper, we formalize the novel concept of Constrained Reverse k-Nearest Neighbor (CRkNN) search on mobile objects (clients) performed at a central server. The CRkNN query c...
GIS
2009
ACM
13 years 11 months ago
2009
ACM
While conventional GIS maps have long been a privileged way for the integration and diffusion of geographical information, novel forms of representation and description of urban ...
GIS
2009
ACM
13 years 11 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
13 years 11 months ago
2009
ACM
We propose an automatic approach to tree detection from aerial imagery. First a pixel-level classifier is trained to assign a {tree, non-tree} label to each pixel in an aerial im...
GIS
2009
ACM
13 years 11 months ago
2009
ACM
Time geography uses space-time volumes to represent the possible locations of a mobile agent over time in a x-y-t space. Space-time volumes are qualitative statements, enabling qu...
GIS
2009
ACM
2009
ACM
Web 2.0 Geospatial Visual Analytics for Improved Urban Flooding Situational Awareness and Assessment
14 years 5 months ago
Situational awareness of urban flooding during storm events is important for disaster and emergency management. However, no general purpose tools yet exist for rendering rainfall ...
GIS
2009
ACM
14 years 5 months ago
2009
ACM
The k-anonymity technique is widely used to provide location privacy protection for accessing location-based services (LBS), i.e., the exact location of a query initiator is cloak...
GIS
2009
ACM
14 years 5 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...