4113 search results - page 414 / 823 » Watermarking Relational Databases |
284
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ICDE
2007
IEEE
16 years 9 months ago
2007
IEEE
There are more spots than immediately obvious in XQuery expressions where order is immaterial for evaluation-this affects most notably, but not exclusively, expressions in the sco...
337
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ICDE
2007
IEEE
16 years 9 months ago
2007
IEEE
Optimizing nested queries is an intricate problem. It becomes even harder if in a nested query the linking predicate or the correlation predicate occurs disjunctively. We present ...
328
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ICDE
2006
IEEE
16 years 9 months ago
2006
IEEE
In applications that produce a large amount of data describing the paths of moving objects, there is a need to ask questions about the interaction of objects over a long recorded ...
283
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ICDE
2001
IEEE
16 years 9 months ago
2001
IEEE
A distributed message delivery system can use replication to improve performance and availability. However, without safeguards, replicated messages may be delivered to a mobile de...
294
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ICDE
1999
IEEE
16 years 9 months ago
1999
IEEE
In this paper we study the node distribution of an Rtree storing region data, like for instance islands, lakes or human-inhabited areas. We will show that real region datasets are...