Selectively estimation for Boolean queries

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Summary

This work formalizes the approach and proposes an algorithm for estimating the selectivity of any Boolean query using the signatures of its substring predicates, and demonstrates the superiority of this approach over a straight-forward approach based on the independence assumption.

Type
article
Published
2000-05-01
Cited by
68
References
20
Access
Open access

Keywords

Substring, Computer science, Boolean expression, Boolean conjunctive query, Matching (statistics)

References

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