3269 search results - page 297 / 654 » Query Optimization for XML |
152
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IPPS
2007
IEEE
15 years 11 months ago
2007
IEEE
We study efficient query processing in distributed web search engines with global index organization. The main performance bottleneck in this case is due to the large amount of i...
122
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ICDT
1995
ACM
15 years 8 months ago
1995
ACM
A tuple t1 of relation R subsumes tuple t2 of R, with respect to a query Q if for every database, tuple t1 derives all, and possibly more, answers to query Q than derived by tuple ...
141
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VLDB
1987
ACM
15 years 8 months ago
1987
ACM
Severalmethodshavebeenproposedto compile recursive Datalog programs. The most well-known perform a rewriting of rules using MAGIC or PROBLEM predicates in order to push selections...
168
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DBPL
2005
Springer
15 years 10 months ago
2005
Springer
Pattern matching mechanisms based on regular expressions feature in a number of recent languages for processing XML. The flexibility of these mechanisms demands novel approaches ...
147
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WLP
2004
Springer
15 years 10 months ago
2004
Springer
: The growing use of XML in commercial as well as non-commercial domains to transport information poses new challenges to concepts to access these information. Common ways to acces...