298 search results - page 47 / 60 » Query Rewriting in DL-Lite_^(HN)_horn |
105
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SIGMOD
2010
ACM
14 years 11 months ago
2010
ACM
Automated extraction of structured data from Web sources often leads to large heterogeneous knowledge bases (KB), with data and schema items numbering in the hundreds of thousands...
FOIKS
2010
Springer
15 years 5 months ago
2010
Springer
A. Falappa, an Abstract Dialogue Framework Guillermo R. Simari Regular Helena Kein¨anen An Algorithm for Generating Nash Stable Coalition Structures in Hedonic Games 15:30-16:00 A...
198
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ICDE
2007
IEEE
16 years 11 days ago
2007
IEEE
Incompleteness due to missing attribute values (aka "null values") is very common in autonomous web databases, on which user accesses are usually supported through media...
VLDB
2001
ACM
15 years 3 months ago
2001
ACM
In this paper we focus on the following problem in information management: given a large collection of recorded information and some knowledge of the process that is generating th...
VLDB
1999
ACM
15 years 3 months ago
1999
ACM
We present an optimization method and algorithm designed for three objectives: physical data independence, semantic optimization, and generalized tableau minimization. The method ...