5183 search results - page 862 / 1037 » The Complexity of Distributions |
249
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SIGMOD
2008
ACM
16 years 6 months ago
2008
ACM
Today's enterprise databases are large and complex, often relating hundreds of entities. Enabling ordinary users to query such databases and derive value from them has been o...
158
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SIGMOD
2001
ACM
16 years 6 months ago
2001
ACM
Estimating the result size of complex queries that involve selection on multiple attributes and the join of several relations is a difficult but fundamental task in database query...
174
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PODS
2008
ACM
16 years 6 months ago
2008
ACM
In the study of data exchange one usually assumes an openworld semantics, making it possible to extend instances of target schemas. An alternative closed-world semantics only move...
167
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ICFP
2008
ACM
16 years 6 months ago
2008
ACM
The trend in microprocessor design toward multicore and manycore processors means that future performance gains in software will largely come from harnessing parallelism. To reali...
195
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WSDM
2010
ACM
16 years 3 months ago
2010
ACM
We consider a set of views stating possibly conflicting facts. Negative facts in the views may come, e.g., from functional dependencies in the underlying database schema. We want ...