2546 search results - page 56 / 510 » Managing long-running queries |
193
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WWW
2007
ACM
16 years 7 months ago
2007
ACM
Continuous queries are used to monitor changes to time varying data and to provide results useful for online decision making. Typically a user desires to obtain the value of some ...
164
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WWW
2002
ACM
16 years 7 months ago
2002
ACM
Query expansion has long been suggested as an effective way to resolve the short query and word mismatching problems. A number of query expansion methods have been proposed in tra...
242
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SIGMOD
2006
ACM
16 years 6 months ago
2006
ACM
Adaptive query processing has been the subject of a great deal of recent work, particularly in emerging data management environments such as data integration and data streams. We ...
178
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DOLAP
2004
ACM
15 years 11 months ago
2004
ACM
In today’s OLAP systems, integrating fast changing data, e.g., stock quotes, physically into a cube is complex and time-consuming. The widespread use of XML makes it very possib...
214
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SIGMOD
2011
ACM
14 years 9 months ago
2011
ACM
Probabilistic database systems have successfully established themselves as a tool for managing uncertain data. However, much of the research in this area has focused on efficient...