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VLDB
2007
ACM
137views Database» more  VLDB 2007»
16 years 5 months ago
Improving Data Quality: Consistency and Accuracy
Two central criteria for data quality are consistency and accuracy. Inconsistencies and errors in a database often emerge as violations of integrity constraints. Given a dirty dat...
Gao Cong, Wenfei Fan, Floris Geerts, Xibei Jia, Sh...
SIGMOD
2007
ACM
112views Database» more  SIGMOD 2007»
16 years 4 months ago
A random walk approach to sampling hidden databases
A large part of the data on the World Wide Web is hidden behind form-like interfaces. These interfaces interact with a hidden backend database to provide answers to user queries. ...
Arjun Dasgupta, Gautam Das, Heikki Mannila
SIGMOD
2005
ACM
197views Database» more  SIGMOD 2005»
16 years 4 months ago
Schema and ontology matching with COMA++
We demonstrate the schema and ontology matching tool COMA++. It extends our previous prototype COMA utilizing a composite approach to combine different match algorithms [3]. COMA+...
David Aumueller, Hong Hai Do, Sabine Massmann, Erh...
SIGMOD
2004
ACM
170views Database» more  SIGMOD 2004»
16 years 4 months ago
A Formal Analysis of Information Disclosure in Data Exchange
We perform a theoretical study of the following queryview security problem: given a view V to be published, does V logically disclose information about a confidential query S? The...
Gerome Miklau, Dan Suciu
PODS
2008
ACM
110views Database» more  PODS 2008»
16 years 4 months ago
Static analysis of active XML systems
Active XML is a high-level specification language tailored to dataintensive, distributed, dynamic Web services. Active XML is based on XML documents with embedded function calls. ...
Serge Abiteboul, Luc Segoufin, Victor Vianu
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