514 search results - page 20 / 103 » Answer Sets for Consistent Query Answering in Inconsistent D... |
PODS
1997
ACM
15 years 1 months ago
1997
ACM
We consider the problem of answering datalog queries using materialized views. The ability to answer queries using views is crucial in the context of information integration. Prev...
185
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ICDE
2009
IEEE
15 years 11 months ago
2009
IEEE
Abstract-- Answering approximate queries on string collections is important in applications such as data cleaning, query relaxation, and spell checking, where inconsistencies and e...
156
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SIGMOD
2009
ACM
15 years 9 months ago
2009
ACM
Uncertain data arises in a number of domains, including data integration and sensor networks. Top-k queries that rank results according to some user-defined score are an important...
PVLDB
2010
14 years 8 months ago
2010
We consider the problem of efficiently finding the top-k answers for join queries over web-accessible databases. Classical algorithms for finding top-k answers use branch-and-b...
VLDB
2000
ACM
15 years 1 months ago
2000
ACM
Approximate query answering systems provide very fast alternatives to OLAP systems when applications are tolerant to small errors in query answers. Current sampling-based approach...