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ICDE
2010
IEEE
14 years 9 months ago
2010
IEEE
Abstract-- This paper introduces a deterministic approximation algorithm with error guarantees for computing the probability of propositional formulas over discrete random variable...
DKE
2010
13 years 9 months ago
2010
We describe the Consistency Extractor System (ConsEx) that computes consistent answers to Datalog queries with negation posed to relational databases that may be inconsistent with...
SIGMOD
1999
ACM
14 years 2 months ago
1999
ACM
The database query optimizer requires the estimation of the query selectivity to find the most efficient access plan. For queries referencing multiple attributes from the same rel...
SIGMOD
2011
ACM
13 years 17 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...
SIGMOD
1999
ACM
14 years 2 months ago
1999
ACM
Research and products for the integration of heterogeneous legacy source databases in data warehousing have addressed numerous data quality problems in or between the sources. Suc...