20024 search results - page 401 / 4005 » Database Management Systems |
138
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OSDI
1994
ACM
15 years 6 months ago
1994
ACM
Traditional operating systems use a xed LRU-like page replacement policy and centralized frame pool that cannot properly serve all types of memory access patterns of various appli...
243
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ICDE
2006
IEEE
16 years 6 months ago
2006
IEEE
"Sparse" data, in which relations have many attributes that are null for most tuples, presents a challenge for relational database management systems. If one uses the no...
214
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SIGMOD
2007
ACM
16 years 5 months ago
2007
ACM
Accurate cardinality estimation is critically important to high-quality query optimization. It is well known that conventional cardinality estimation based on histograms or simila...
215
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SIGMOD
2007
ACM
16 years 5 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...
129
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EDBT
2010
ACM
15 years 11 months ago
2010
ACM
Skyline queries have gained a lot of attention for multicriteria analysis in large-scale datasets. While existing skyline algorithms have focused mostly on exploiting data dominan...