5221 search results - page 394 / 1045 » An On-line Problem Database |
285
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SIGMOD
2006
ACM
16 years 7 months ago
2006
ACM
We present and analyze an algorithm for equivalent rewriting of XQuery queries using XQuery views, which is complete for a large class of XQueries featuring nested FLWR blocks, XM...
304
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SIGMOD
2005
ACM
16 years 7 months ago
2005
ACM
Peer-to-peer (p2p) systems are attracting increasing attention as an efficient means of sharing data among large, diverse and dynamic sets of users. The widespread use of XML as a...
267
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SIGMOD
2005
ACM
16 years 7 months ago
2005
ACM
Data management is growing in complexity as largescale applications take advantage of the loosely coupled resources brought together by grid middleware and by abundant storage cap...
179
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SIGMOD
2005
ACM
16 years 7 months ago
2005
ACM
We consider the problem of "progressively" joining relations whose records are continuously retrieved from remote sources through an unstable network that may incur temp...
189
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SIGMOD
2004
ACM
16 years 7 months ago
2004
ACM
Secure communication guaranteeing reliability, authenticity, and privacy in sensor networks with active adversaries is a challenging research problem since asymmetric key cryptosy...