6650 search results - page 724 / 1330 » Mutating database queries |
238
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EDBT
2004
ACM
16 years 7 months ago
2004
ACM
XML makes data flexible in representation and easily portable on the Web but it also substantially inflates data size as a consequence of using tags to describe data. Although many...
231
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CIKM
2009
Springer
16 years 2 months ago
2009
Springer
Understanding intents from search queries can improve a user’s search experience and boost a site’s advertising profits. Query tagging via statistical sequential labeling mode...
154
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VLDB
1999
ACM
15 years 11 months ago
1999
ACM
This paper aims to improve the accuracy of query result-size estimations in query optimizers by leveraging the dynamic feedback obtained from observations on the executed query wo...
218
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SIGMOD
1997
ACM
15 years 11 months ago
1997
ACM
A range query applies an aggregation operation over all selected cells of an OLAP data cube where the selection is speci ed by providing ranges of values for numeric dimensions. W...
200
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SIGMOD
1997
ACM
15 years 11 months ago
1997
ACM
: The read-mostly environment of data warehousing makes it possible to use more complex indexes to speed up queries than in situations where concurrent updatesare present. The curr...