2674 search results - page 232 / 535 » Data Models and Query Languages for Spatial Databases |
174
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KDD
2005
ACM
16 years 6 months ago
2005
ACM
In this paper, we present a general framework to discover spatial associations and spatio-temporal episodes for scientific datasets. In contrast to previous work in this area, fea...
208
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EDBT
2012
ACM
13 years 8 months ago
2012
ACM
In this paper we consider the problem of answering queries using views, with or without ontological constraints, which is important for data integration, query optimization, and d...
161
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TKDE
2008
15 years 6 months 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...
152
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ICDE
2010
IEEE
16 years 6 months ago
2010
IEEE
Abstract-- In this paper, we present TransDec, an end-toend data-driven system which enables spatiotemporal queries in transportation systems with dynamic, real-time and historical...
312
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ICDE
2009
IEEE
16 years 8 months ago
2009
IEEE
Abstract-- When dealing with massive quantities of data, topk queries are a powerful technique for returning only the k most relevant tuples for inspection, based on a scoring func...