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CORR
2002
Springer
187views Education» more  CORR 2002»
13 years 8 months ago
Answer Sets for Consistent Query Answering in Inconsistent Databases
A relational database is inconsistent if it does not satisfy a given set of integrity constraints. Nevertheless, it is likely that most of the data in it is consistent with the co...
Marcelo Arenas, Leopoldo E. Bertossi, Jan Chomicki
IFIP
2005
Springer
14 years 2 months ago
Relative Trustworthiness
We present a method for trust scenarios with more than one trustee, where sets of trustees are ordered in a relation of relative trustworthiness. We show how a priority structure i...
Johan W. Klüwer, Arild Waaler
ICDT
1990
ACM
110views Database» more  ICDT 1990»
14 years 20 days ago
Beginnings of a Theory of General Database Completions
Ordinary logical implication is not enough for answering queries in a logic database, since especially negative information is only implicitly represented in the database state. M...
Stefan Brass
COMMA
2006
13 years 10 months ago
Semi-Stable Semantics
In this paper, we examine an argument-based semantics called semi-stable semantics. Semi-stable semantics is quite close to traditional stable semantics in the sense that every st...
Martin Caminada