619 search results - page 45 / 124 » Query Planning in Infomaster |
112
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DBISP2P
2004
Springer
15 years 7 months ago
2004
Springer
Peer-to-Peer infrastructures are emerging as one of the important data management infrastructures in the World Wide Web. So far, however, most work has focused on simple P2P networ...
216
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ICDE
2003
IEEE
16 years 3 months ago
2003
IEEE
Structural join operations are central to evaluating queries against XML data, and are typically responsible for consuming a lion's share of the query processing time. Thus, ...
109
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AAAI
2008
15 years 4 months ago
2008
In several applications of logic programming and Transaction Logic, such as, planning, trust management and independent Semantic Web Services, an action might produce incomplete f...
102
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SIGMOD
2003
ACM
16 years 2 months ago
2003
ACM
Decision-support applications generate queries with complex predicates. We show how the factorization of complex query expressions exposes significant opportunities for exploiting...
136
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PODS
2002
ACM
16 years 2 months ago
2002
ACM
We consider conjunctive queries with arithmetic comparisons over multiple continuous data streams. We specify an algorithm for determining whether or not a query can be evaluated ...