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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
DOLAP
2010
ACM
13 years 6 months ago
Using ontologies to discover fact IDs
Object identification is a crucial step in most information systems. Nowadays, we have many different ways to identify entities such as surrogates, keys and object identifiers. Ho...
Alberto Abelló, Oscar Romero
ECAI
1998
Springer
14 years 19 days ago
Ideal Agents Sharing (some!) Knowledge
A well-known framework by Fagin, Halpern, Moses and Vardi models knowledge-based agents as \Interpreted Systems". In this paper we analyse a particular class of interpreted sy...
Alessio Lomuscio, Mark Ryan
ICDE
2009
IEEE
195views Database» more  ICDE 2009»
14 years 3 months ago
The PRISM Workwench: Database Schema Evolution without Tears
— Information Systems are subject to a perpetual evolution, which is particularly pressing in Web Information Systems, due to their distributed and often collaborative nature. Su...
Carlo Curino, Hyun J. Moon, MyungWon Ham, Carlo Za...
SICHERHEIT
2010
13 years 7 months ago
A Fuzzy Model for IT Security Investments
: This paper presents a fuzzy set based decision support model for taking uncertainty into account when making security investment decisions for distributed systems. The proposed m...
Guido Schryen