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SIGMOD
2004
ACM
163views Database» more  SIGMOD 2004»
15 years 9 months ago
Constraint-Based XML Query Rewriting For Data Integration
We study the problem of answering queries through a target schema, given a set of mappings between one or more source schemas and this target schema, and given that the data is at...
Cong Yu, Lucian Popa
76
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CLIMA
2004
14 years 11 months ago
Revising Knowledge in Multi-agent Systems Using Revision Programming with Preferences
In this paper we extend the Revision Programming framework--a logic-based framework to express and maintain constraints on knowledge bases-with different forms of preferences. Pref...
Inna Pivkina, Enrico Pontelli, Tran Cao Son
ASP
2001
Springer
15 years 1 months ago
Effect of knowledge representation on model based planning: experiments using logic programming encodings
In this paper we implement planning using answer set programming. We consider the action language A and its extensions. We show that when the domain is described using richer feat...
Le-Chi Tuan, Chitta Baral
ICLP
2004
Springer
15 years 2 months ago
On Programs with Linearly Ordered Multiple Preferences
The extended answer set semantics for logic programs allows for the defeat of rules to resolve contradictions. We propose a refinement of these semantics based on a preference rel...
Davy Van Nieuwenborgh, Stijn Heymans, Dirk Vermeir
ICLP
2009
Springer
15 years 10 months ago
Using Histograms to Better Answer Queries to Probabilistic Logic Programs
Probabilistic logic programs (PLPs) define a set of probability distribution functions (PDFs) over the set of all Herbrand interpretations of the underlying logical language. When...
Matthias Broecheler, Gerardo I. Simari, V. S. Subr...