1125 search results - page 6 / 225 » Query Answering in Inconsistent Databases |
IJAR
2008
13 years 7 months ago
2008
We introduce a general framework that is based on distance semantics and investigate the main properties of the entailment relations that it induces. It is shown that such entailm...
LPNMR
2005
Springer
14 years 1 months ago
2005
Springer
We introduce a declarative approach for a coherent composition of autonomous databases. For this we use ID-logic, a formalism that extends classical logic with inductive definitio...
DBPL
2005
Springer
14 years 1 months ago
2005
Springer
We study peer-to-peer ðP2PÞ data integration, where each peer models an autonomous system that exports data in terms of its own schema, and data interoperation is achieved by me...
DAGSTUHL
1998
13 years 9 months ago
1998
Hypothetical queries are queries embedding hypotheses about the database. The embedded hypothesis in a hypothetical query indicates, so to say, a state of the database intended for...
DBISP2P
2003
Springer
14 years 26 days ago
2003
Springer
In this paper we give a robust logical and computational characterisation of peer-to-peer (p2p) database systems. We first define a precise model-theoretic semantics of a p2p sys...