3456 search results - page 173 / 692 » Semantics in Spatial Databases |
228
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ICDE
2008
IEEE
16 years 3 months ago
2008
IEEE
We introduce a novel query type defined over streaming moving object data, namely, the Continuous Motion Pattern (CMP) Queries. A motion pattern is defined as a sequence of distin...
205
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ICDE
2007
IEEE
16 years 3 months ago
2007
IEEE
Traditional approaches for efficiently processing historical queries, where a history is a multidimensional timeseries, employ a two step filter-and-refine scheme. In the filter s...
94
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ICDE
2010
IEEE
15 years 9 months ago
2010
IEEE
— Commercial tuple extraction systems have enjoyed some success to extract tuples by regarding HTML pages as tree structures and exploiting XPath queries to find attributes of t...
128
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SSD
1997
Springer
15 years 6 months ago
1997
Springer
Abstract: In many geographical applications there is a need to model spatial phenomena not simply by sharp objects but rather through indeterminate or vague concepts. To support su...
112
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WIDM
2009
ACM
15 years 8 months ago
2009
ACM
In this paper we introduce a novel approach for the thematic organization of bibliographic records that builds upon a semantic relatedness measure we have implemented for this tas...