514 search results - page 24 / 103 » Answer Sets for Consistent Query Answering in Inconsistent D... |
119
Voted
EDBT
2012
ACM
12 years 12 months ago
2012
ACM
Record linkage analysis, which matches records referring to the same real world entities from different data sets, is an important task in data integration. Uncertainty often exi...
VLDB
2001
ACM
15 years 1 months ago
2001
ACM
Estimating the number of distinct values is a wellstudied problem, due to its frequent occurrence in queries and its importance in selecting good query plans. Previous work has sh...
123
Voted
PSD
2004
Springer
15 years 2 months ago
2004
Springer
In an on-line statistical database, the query-answering system should prevent answers to statistical queries from leading to disclosure of confidential data. On the other hand, a s...
82
Voted
TREC
2004
14 years 11 months ago
2004
In this paper, we describe ideas and related experiments of Tsinghua University IR group in TREC 2004 QA track. In this track, our system consists three components: Question analy...
PODS
2003
ACM
15 years 9 months ago
2003
ACM
In this paper we propose a new bottom-up query evaluation method for stratified deductive databases based on the Magic Set approach. As the Magic Sets rewriting may lead to unstra...