6846 search results - page 135 / 1370 » Querying a summary of database |
190
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VLDB
2004
ACM
15 years 11 months ago
2004
ACM
Cost-based XML query optimization calls for accurate estimation of the selectivity of path expressions. Some other interactive and internet applications can also benefit from suc...
158
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IPM
2000
15 years 6 months ago
2000
We analyzed transaction logs containing 51,473 queries posed by 18,113 users of Excite, a major Internet search service. We provide data on: (i) sessions - changes in queries durin...
172
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ECIR
2010
Springer
15 years 7 months ago
2010
Springer
We investigate using topic prediction data, as a summary of document content, to compute measures of search result quality. Unlike existing quality measures such as query clarity t...
199
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ISPA
2007
Springer
16 years 9 days ago
2007
Springer
Regular path queries are the building block of almost any mechanism for querying semistructured data. Despite the fact that the main applications of such data are distributed, ther...
159
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ICMCS
2005
IEEE
15 years 11 months ago
2005
IEEE
This paper introduces a new approach of approximating the selectivity of multimedia range queries. Estimating the selectivity of a range query is a pre-requisite to optimize a mul...