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» On Theory Revision with Queries
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SIGIR
1999
ACM
14 years 22 days ago
Using a Belief Revision Operator for Document Ranking in Extended Boolean Models
This paper claims that Belief Revision can be seen as a theoretical framework for document ranking in Extended Boolean Models. For a model of Information Retrieval based on propos...
David E. Losada, Alvaro Barreiro
PVLDB
2008
130views more  PVLDB 2008»
13 years 8 months ago
Analyzing and revising data integration schemas to improve their matchability
Data integration systems often provide a uniform query interface, called a mediated schema, to a multitude of data sources. To answer user queries, such systems employ a set of se...
Xiaoyong Chai, Mayssam Sayyadian, AnHai Doan, Arno...
KR
2004
Springer
14 years 1 months ago
Distance Semantics for Relevance-Sensitive Belief Revision
Possible-world semantics are provided for Parikh’s relevance-sensitive model for belief revision. Having Grove’s system-of-spheres construction as a base, we consider addition...
Pavlos Peppas, Samir Chopra, Norman Y. Foo
ECAI
1994
Springer
14 years 16 days ago
Belief Revision in Multi-Agent Systems
The ability to respond sensibly to changing and conflicting beliefs is an integral part of intelligent agency. To this end, we outline the design and implementation of a Distribute...
Benedita Malheiro, Nicholas R. Jennings, Eugenio O...
IJCAI
1993
13 years 9 months ago
The Complexity of Nested Counterfactuals and Iterated Knowledge Base Revisions
We consider the computational complexity of evaluating nested counterfactuals over a propositional knowledge base. Counterfactual implication models a statement "if p, then q...
Thomas Eiter, Georg Gottlob