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AAAI
2008
13 years 10 months ago
Minimal Contraction of Preference Relations
Changing preferences is very common in real life. The expressive power of the operations of preference change introduced so far in the literature is limited to adding new informat...
Denis Mindolin, Jan Chomicki
AAAI
2011
12 years 7 months ago
Transportability of Causal and Statistical Relations: A Formal Approach
We address the problem of transferring information learned from experiments to a different environment, in which only passive observations can be collected. We introduce a formal ...
Judea Pearl, Elias Bareinboim
DMS
2008
120views Multimedia» more  DMS 2008»
13 years 9 months ago
Metaphorical Cartography for Knowledge Creation and Sharing
In this position paper we discuss the role of geographical metaphors as tools for representing, organizing and accessing heterogeneous shared information, typical of the Web 2.0. ...
Augusto Celentano, Piero Mussio, Fabio Pittarello
HICSS
1997
IEEE
75views Biometrics» more  HICSS 1997»
13 years 11 months ago
The Voting-Type Technique in the Refinement of Multiple Expert Knowledge
The goal of this paper is to develop methods to handle inconsistent knowledge elicited from multiple sources. Knowledge is represented using predicates that define relationships w...
Seppo Puuronen, Vagan Y. Terziyan
DLOG
2008
13 years 10 months ago
Taming the Infinite Chase: Query Answering under Expressive Relational Constraints
Answering queries posed over knowledge bases is a central problem in knowledge representation and database theory. In databases, query containment is one of the important query op...
Andrea Calì, Georg Gottlob, Michael Kifer