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» Query Answering in Inconsistent Databases
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PSD
2004
Springer
186views Database» more  PSD 2004»
14 years 1 months ago
Privacy Preserving and Data Mining in an On-Line Statistical Database of Additive Type
In an on-line statistical database, the query-answering system should prevent answers to statistical queries from leading to disclosure of confidential data. On the other hand, a s...
Francesco M. Malvestuto, Mauro Mezzini
VLDB
1997
ACM
94views Database» more  VLDB 1997»
13 years 12 months ago
Describing and Using Query Capabilities of Heterogeneous Sources
Information integration systems have to cope with the different and limited query interfaces of the underlying information sources. First, the integration systems need description...
Vasilis Vassalos, Yannis Papakonstantinou
SARA
2007
Springer
14 years 1 months ago
Reformulation for Extensional Reasoning
Relational databases have had great industrial success in computer science. The power of the paradigm is made clear both by its widespread adoption and by theoretical analysis. Tod...
Timothy L. Hinrichs, Michael R. Genesereth
CASCON
2004
108views Education» more  CASCON 2004»
13 years 9 months ago
Consistent query answering under inclusion dependencies
For several reasons a database may not satisfy certain integrity constraints (ICs), for example, when it is the result of integrating several independent data sources. However, mo...
Loreto Bravo, Leopoldo E. Bertossi
DEXA
2007
Springer
131views Database» more  DEXA 2007»
14 years 1 months ago
Improving Semantic Query Answering
The retrieval problem is one of the main reasoning tasks for knowledge base systems. Given a knowledge base K and a concept C, the retrieval problem consists of finding all indivi...
Norbert Kottmann, Thomas Studer