64 search results - page 11 / 13 » Optimizing Query Answering in Description Logics using Disju... |
ML
2006
ACM
13 years 8 months ago
2006
ACM
We propose a simple approach to combining first-order logic and probabilistic graphical models in a single representation. A Markov logic network (MLN) is a first-order knowledge b...
EDBT
2012
ACM
11 years 11 months ago
2012
ACM
In this paper we consider the problem of answering queries using views, with or without ontological constraints, which is important for data integration, query optimization, and d...
ICDT
2012
ACM
11 years 11 months ago
2012
ACM
A universal model of a database D and a set Σ of integrity constraints is a database that extends D, satisfies Σ, and is most general in the sense that it contains sound and co...
IDEAS
2003
IEEE
14 years 1 months ago
2003
IEEE
The objective of this paper is to investigate the problems related to the extensional integration of information sources. In particular, we propose an approach for managing incons...
PPDP
2010
Springer
13 years 6 months ago
2010
Springer
Given a set of Datalog rules, facts, and a query, answers to the query can be inferred bottom-up starting with the facts or top-down starting with the query. For efficiently answe...