1588 search results - page 131 / 318 » Consistent query answering in databases |
148
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SIGMOD
2004
ACM
16 years 4 months ago
2004
ACM
We define a framework for static optimization of sliding window conjunctive queries over infinite streams. When computational resources are sufficient, we propose that the goal of...
165
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PVLDB
2008
15 years 4 months ago
2008
The number of potentially-related data resources available for querying -- databases, data warehouses, virtual integrated schemas -continues to grow rapidly. Perhaps no area has s...
154
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SIGMOD
2010
ACM
14 years 11 months ago
2010
ACM
We report on the second annual ACM SIGMOD programming contest, which consisted in building an efficient distributed query engine on top of an in-memory index. This article is co-a...
132
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PODS
2006
ACM
16 years 4 months ago
2006
ACM
Query containment is a fundamental algorithmic problem in database query processing and optimization. Under set semantics, the query-containment problem for conjunctive queries ha...
145
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WWW
2008
ACM
16 years 5 months ago
2008
ACM
Because of the high volume and unpredictable arrival rate, stream processing systems may not always be able to keep up with the input data streams-- resulting in buffer overflow a...