3514 search results - page 36 / 703 » On Moving Object Queries |
133
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VLDB
1994
ACM
15 years 8 months ago
1994
ACM
A new type of optimization, called predicate move-around, ia introduced. It is shown how this optimization `considerably improvea the efficiency of evaluating SQL queries that hav...
138
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SSD
2007
Springer
15 years 10 months ago
2007
Springer
Abstract. Massive data streams of positional updates become increasingly difficult to manage under limited memory resources, especially in terms of providing near real-time respons...
124
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ESA
2003
Springer
15 years 9 months ago
2003
Springer
A kinetic dictionary is a data structure for storing a set S of continuously moving points on the real line, such that at any time we can quickly determine for a given query point ...
165
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DEXAW
2004
IEEE
15 years 7 months ago
2004
IEEE
Many applications refer to moving objects or phenomena and require spatio-temporal modelling and specific analysis. Unlike conventional data where attributes are simple values (nu...
125
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INFSOF
2007
15 years 4 months ago
2007
Although spatio-temporal databases have received considerable attention recently, there has been little work on processing range sum queries on the historical records of moving ob...