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222
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ICALP
2009
Springer
16 years 7 months ago
2009
Springer
We develop new structural results for apex-minor-free graphs and show their power by developing two new approximation algorithms. The first is an additive approximation for colorin...
281
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VLDB
2007
ACM
16 years 7 months ago
2007
ACM
Views over probabilistic data contain correlations between tuples, and the current approach is to capture these correlations using explicit lineage. In this paper we propose an al...
294
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VLDB
2007
ACM
16 years 7 months ago
2007
ACM
Snapshot isolation (SI) provides significantly improved concurrency over 2PL, allowing reads to be non-blocking. Unfortunately, it can also lead to non-serializable executions in ...
295
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SIGMOD
2009
ACM
16 years 7 months ago
2009
ACM
Conditional functional dependencies (CFDs) have recently been proposed as extensions of classical functional dependencies that apply to a certain subset of the relation, as specif...
296
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SIGMOD
2009
ACM
16 years 7 months ago
2009
ACM
Research has investigated mappings among data sources under two perspectives. On one side, there are studies of practical tools for schema mapping generation; these focus on algor...