4337 search results - page 257 / 868 » Cache-Oblivious Query Processing |
161
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ICDT
1995
ACM
15 years 10 months ago
1995
ACM
We investigate and compare two forms of recursion on sets for querying nested collections. The rst one is called sri and it corresponds to sequential processing of data. The second...
252
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SIGMOD
2007
ACM
16 years 6 months ago
2007
ACM
Good cardinality estimates are critical for generating good execution plans during query optimization. Complex predicates, correlations between columns, and user-defined functions...
167
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SIGMOD
2002
ACM
16 years 6 months ago
2002
ACM
Physical database design is important for query performance in a shared-nothing parallel database system, in which data is horizontally partitioned among multiple independent node...
176
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ICEBE
2005
IEEE
16 years 3 days ago
2005
IEEE
Electronic commerce is emerging as a major application area for database systems. A large number of e-commerce stores provide electronic product catalogs that allow customers to s...
204
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SIGIR
2004
ACM
15 years 12 months ago
2004
ACM
Document-centric XML collections contain text-rich documents, marked up with XML tags. The tags add lightweight semantics to the text. Querying such collections calls for a hybrid...