856 search results - page 86 / 172 » Location-based Spatial Queries |
127
Voted
SODA
1997
ACM
15 years 4 months ago
1997
ACM
Given a collection S of n line segments in the plane, the planar point location problem is to construct a data structure that can e ciently determine for a given query point p the...
131
Voted
WWW
2008
ACM
15 years 2 months ago
2008
ACM
A geographic search request contains a query consisting of one or more keywords, and a search-location that the user searches for. In this paper, we study the problem of discoveri...
188
click to vote
Publication
Existing location-based services provide specialized services to their customers based on the knowledge of their exact locations. With untrustworthy servers, location-based service...
159
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MOBIQUITOUS
2007
IEEE
15 years 9 months ago
2007
IEEE
Client side caching of location dependent queries is an important technique for improving performance of location-based services. Most of the existing research in this area has fo...
112
Voted
ALGORITHMICA
2002
15 years 2 months ago
2002
In recent years there has been an upsurge of interest in spatial databases. A major issue is how to manipulate efficiently massive amounts of spatial data stored on disk in multidi...