2835 search results - page 159 / 567 » Automatic Question Answering |
222
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ICDT
2009
ACM
16 years 5 months ago
2009
ACM
This article deals with consistent query answering to conjunctive queries under primary key constraints. The repairs of an inconsistent database db are obtained by selecting a max...
156
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KRDB
2003
15 years 5 months ago
2003
The Polylog framework is designed to provide a language for efficiently automating complex queries of information represented in multiple formats. A Polylog program contains a set...
125
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KR
2004
Springer
15 years 9 months ago
2004
Springer
We extend graded modal logic (GML) to a logic that captures the concept of majority. We provide an axiomatization for majority logic, MJL, and sketch soundness and completeness pr...
154
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SIGAL
1990
15 years 8 months ago
1990
Many intractable problems such as NP-complete problems (provided P = NP) have easy subproblems. In contrast, we investigate the existence and the properties of inherently hard sub...
134
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FC
2008
Springer
15 years 6 months ago
2008
Springer
Abstract. An economic model of the online advertising market is presented, focusing on the effect of ad fraud. In the model, the market is comprised of three classes of players: pu...