2554 search results - page 251 / 511 » Keyword query cleaning |
241
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SIGMOD
2007
ACM
16 years 6 months ago
2007
ACM
Optimizing SQL subqueries has been an active area in database research and the database industry throughout the last decades. Previous work has already identified some approaches ...
208
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GIS
2009
ACM
16 years 1 months ago
2009
ACM
In this paper, we formalize the novel concept of Constrained Reverse k-Nearest Neighbor (CRkNN) search on mobile objects (clients) performed at a central server. The CRkNN query c...
212
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MIR
2004
ACM
16 years 1 days ago
2004
ACM
In this paper, we present an index structure-based method to fast and robustly search short video clips in large video collections. First we temporally segment a given long video ...
210
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XMLSEC
2003
ACM
15 years 12 months ago
2003
ACM
As a large quantity of information is presented in XML format on the Web, there are increasing demands for XML security. Until now, research on XML security has been focused on th...
217
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HICSS
2002
IEEE
15 years 11 months ago
2002
IEEE
Abstract— Recent advances in graph-based search techniques derived from Kleinberg’s work [1] have been impressive. This paper further improves the graph-based search algorithm ...