1142 search results - page 109 / 229 » On Supporting Containment Queries in Relational Database Man... |
131
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IS
2007
15 years 4 months ago
2007
Despite the importance of ranked queries in numerous applications involving multi-criteria decision making, they are not efficiently supported by traditional database systems. In ...
135
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PODS
2010
ACM
15 years 9 months ago
2010
ACM
The notion of certain answers arises when one queries incompletely specified databases, e.g., in data integration and exchange scenarios, or databases with missing information. W...
194
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WEBDB
2010
Springer
15 years 8 months ago
2010
Springer
Data on the Web is increasingly being used for discovery and exploratory tasks. Unlike traditional fact-finding tasks that require only the typical single-query and response parad...
142
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SIGMOD
2008
ACM
15 years 4 months ago
2008
ACM
We consider the problem of evaluating multiple overlapping queries defined on data streams, where each query is a conjunction of multiple filters and each filter may be shared acr...
277
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ICDE
2008
IEEE
16 years 5 months ago
2008
IEEE
In this paper we explore database segmentation in the context of a column-store DBMS targeted at a scientific database. We present a novel hardware- and scheme-oblivious segmentati...