253 search results - page 30 / 51 » Close pair queries in moving object databases |
107
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SIGMOD
1999
ACM
15 years 4 months ago
1999
ACM
Traditional approaches for content-based image querying typically compute a single signature for each image based on color histograms, texture, wavelet transforms etc., and return...
WWW
2010
ACM
15 years 6 months ago
2010
ACM
In this paper, we address the problem of database selection for XML document collections, that is, given a set of collections and a user query, how to rank the collections based o...
160
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VLDB
2009
ACM
15 years 11 months ago
2009
ACM
In this paper, we study the problem of continuous monitoring of reverse k nearest neighbor queries. Existing continuous reverse nearest neighbor monitoring techniques are sensitive...
192
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ICDE
2008
IEEE
16 years 1 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...
112
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SIGMOD
2003
ACM
15 years 12 months ago
2003
ACM
Many applications employ sensors for monitoring entities such as temperature and wind speed. A centralized database tracks these entities to enable query processing. Due to contin...