365 search results - page 19 / 73 » Answering Non-Monotonic Queries in Relational Data Exchange |
CIKM
2010
Springer
14 years 4 months ago
2010
Springer
The gap between the user's information need and query is expanding due to the pervasiveness of Web search. Multimedia question answering is restricted by disjoint infrastruct...
VLDB
2000
ACM
15 years 1 months ago
2000
ACM
Approximate query answering systems provide very fast alternatives to OLAP systems when applications are tolerant to small errors in query answers. Current sampling-based approach...
108
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SIGMOD
2011
ACM
14 years 8 days ago
2011
ACM
An important means of allowing non-expert end-users to pose ad hoc queries — whether over single databases or data integration systems — is through keyword search. Given a set...
104
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SIGMETRICS
2011
ACM
14 years 8 days ago
2011
ACM
The massive data streams observed in network monitoring, data processing and scientific studies are typically too large to store. For many applications over such data, we must ob...
166
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SIGMOD
2006
ACM
15 years 9 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...