856 search results - page 65 / 172 » Location-based Spatial Queries |
115
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MDM
2007
Springer
15 years 6 months ago
2007
Springer
Several window constructs are usually specified in continuous queries over data streams as a means of limiting the amount of data processed each time and thus providing real-time...
SSDBM
2010
IEEE
15 years 5 months ago
2010
IEEE
We present a technique for organizing data in spatial databases with non-convex domains based on an automatic characterization using the medial-axis transform (MAT). We define a t...
138
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PUK
2003
15 years 2 months ago
2003
This paper exploits the spatial representation of state space problem graphs to preprocess and enhance heuristic search engines. It combines classical AI exploration with computati...
105
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TKDE
2008
15 years 17 days ago
2008
Situational awareness (SA) applications monitor the real world and the entities therein to support tasks such as rapid decision making, reasoning, and analysis. Raw input about unf...
GIS
2002
ACM
15 years 14 days ago
2002
ACM
This papers deals with multiway spatial joins when (i) there is limited time for query processing and the goal is to retrieve the best possible solutions within this limit (ii) the...