640 search results - page 75 / 128 » Query Optimization Using Multiple SIP Strategies |
146
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ESA
2011
Springer
14 years 2 months ago
2011
Springer
Abstract. In this paper we address the problem of building a compressed self-index that, given a distribution for the pattern queries and a bound on the space occupancy, minimizes ...
109
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CASES
2003
ACM
15 years 6 months ago
2003
ACM
Processors such as StrongARM and memory such as SDRAM enable efficient execution of multiple loads and stores in a single instruction. This is particularly useful in connection wi...
135
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WWW
2008
ACM
16 years 3 months ago
2008
ACM
Efficiently querying RDF [1] data is being an important factor in applying Semantic Web technologies to real-world applications. In this context, many efforts have been made to st...
115
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EDBT
2008
ACM
16 years 2 months ago
2008
ACM
Enterprises may have multiple database systems spread across the organization for redundancy or for serving different applications. In such systems, query workloads can be distrib...
128
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SIGMOD
2002
ACM
16 years 2 months ago
2002
ACM
This paper addresses the problem of evaluating ranked top-? queries with expensive predicates. As major DBMSs now all support expensive user-defined predicates for Boolean queries...