1497 search results - page 169 / 300 » Constraint Databases: A Survey |
PODS
2008
ACM
15 years 10 months ago
2008
ACM
We revisit the classical chase procedure, studying its properties as well as its applicability to standard database problems. We settle (in the negative) the open problem of decid...
PVLDB
2010
14 years 8 months ago
2010
Ontology-based data access is a powerful form of extending database technology, where a classical extensional database (EDB) is enhanced by an ontology that generates new intensio...
ESCAPE
2007
Springer
15 years 4 months ago
2007
Springer
We propose two new data stream models: the reset model and the delta model, motivated by applications to databases, and to tracking the location of spatial points. We present algor...
TLCA
2005
Springer
15 years 3 months ago
2005
Springer
There is growing public concern about personal data collected by both private and public sectors. People have very little control over what kinds of data are stored and how such da...
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ICDE
2008
IEEE
15 years 11 months ago
2008
IEEE
In this paper we introduce new notions of k-type anonymizations. Those notions achieve similar privacy goals as those aimed by Sweenie and Samarati when proposing the concept of k-...