2724 search results - page 45 / 545 » Optimizing Queries on Files |
120
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WWW
2010
ACM
15 years 8 months ago
2010
ACM
Query suggestion has been an effective approach to help users narrow down to the information they need. However, most of existing studies focused on only popular/head queries. Si...
VLDB
1995
ACM
15 years 5 months ago
1995
ACM
Traditionally, optimizers are “programmed” to optimize queries following a set of buildin procedures. However, optimizers should be robust to its changing environment to gener...
121
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SAC
2006
ACM
15 years 7 months ago
2006
ACM
This paper introduces the MTree index algorithm, a special purpose XML XPath index designed to meet the needs of the hierarchical XPath query language. With the increasing importa...