981 search results - page 136 / 197 » Negation in Spatial Reasoning |
172
Voted
GIS
2009
ACM
16 years 1 months ago
2009
ACM
Many popular online services provide "local" or "yellow-pages" search, but none of them allow users to customize the search over user-specified data. Instead, ...
212
click to vote
GIS
2009
ACM
16 years 1 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...
251
Voted
GIS
2003
ACM
16 years 1 months ago
2003
ACM
This paper introduces an approach for closer integration of selforganizing maps into the visualization of spatio-temporal phenomena in GIS. It is proposed to provide a more explic...
192
Voted
GIS
2004
ACM
16 years 1 months ago
2004
ACM
Despite various interoperability recommendations, heterogeneity of Geographic Information Systems (GIS) is still an issue. This led to an increasing need for a data integration sy...
209
Voted
GIS
2005
ACM
16 years 1 months ago
2005
ACM
Group nearest neighbor (GNN) queries are a relatively new type of operations in spatial database applications. Different from a traditional kNN query which specifies a single quer...