6650 search results - page 303 / 1330 » Mutating database queries |
129
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CIKM
2009
Springer
15 years 11 months ago
2009
Springer
Most of existing methods of keyword search over relational databases find the Steiner trees composed of relevant tuples as the answers. They identify the Steiner trees by discove...
236
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SIGMOD
2006
ACM
16 years 4 months ago
2006
ACM
We present our prototype system, OMCAT, which optimizes the reevaluation of a set of pending continuous spatio-temporal queries on trajectory data, when some of the trajectories a...
145
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PVLDB
2008
15 years 4 months ago
2008
Many search engines and other web applications suggest auto-completions as the user types in a query. The suggestions are generated from hidden underlying databases, such as query...
171
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CACM
1998
15 years 4 months ago
1998
abstraction for modeling these problems is to view the Web as a collection of (usually small and heterogeneous) databases, and to view programs that extract and process Web data au...
142
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BTW
2005
Springer
15 years 10 months ago
2005
Springer
: User-defined data types such as intervals require specialized access methods to be efficiently searched and queried. As database implementors cannot provide appropriate index str...