6004 search results - page 262 / 1201 » Parallelizing query optimization |
138
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TREC
2007
15 years 1 months ago
2007
Exegy’s submission for the TREC 2007 million query track consisted of results obtained by running the queries against the raw data, i.e., the data was not indexed. The hardwarea...
104
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IPM
2006
15 years 17 days ago
2006
This study examines the facets and patterns of multiple Web query reformulations with a focus on reformulation sequences. Based on IR interaction models, it was presumed that quer...
183
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ICDE
2008
IEEE
16 years 1 months ago
2008
IEEE
Applications that monitor functions over rapidly and unpredictably changing data, express their needs as continuous queries. Our focus is on a rich class of queries, expressed as p...
123
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SIGMOD
2004
ACM
16 years 22 days ago
2004
ACM
The prevalent use of XML highlights the need for a generic, flexible access-control mechanism for XML documents that supports efficient and secure query access, without revealing ...
117
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VLDB
2002
ACM
15 years 6 days ago
2002
ACM
Structurally recursive XML queries are an important query class that follows the structure of XML data. At present, it is difficult for XQuery to type and optimize structurally re...