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» Safe Constraint Queries
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IDEAS
2007
IEEE
107views Database» more  IDEAS 2007»
14 years 3 months ago
Examining the Performance of a Constraint-Based Database Cache
Constraint-based database caching aims at correctly answering SQL query predicates from a local cache database by exploiting constraints that have previously been used in selectin...
Andreas Bühmann, Joachim Klein 0002
INTELLCOMM
2004
Springer
14 years 2 months ago
Preserving Referential Constraints in XML Document Association Relationship Update
Abstract. In this paper we propose the usage of W3C-standardized query language, XQuery, to accommodate XML Update. Our main aim is to enable the update without violating the seman...
Eric Pardede, J. Wenny Rahayu, David Taniar
CAISE
2006
Springer
14 years 15 days ago
Adaptive Query Formulation to Handle Database Evolution
Databases are continuously evolving environments, where design constructs are added, removed or updated quite often. Research has extensively dealt with the problem of database evo...
George Papastefanatos, Panos Vassiliadis, Yannis V...
CORR
2007
Springer
135views Education» more  CORR 2007»
13 years 8 months ago
Association Rules in the Relational Calculus
One of the most utilized data mining tasks is the search for association rules. Association rules represent significant relationships between items in transactions. We extend the...
Oliver Schulte, Flavia Moser, Martin Ester, Zhiyon...
DLOG
2007
13 years 11 months ago
Adding ABoxes to a Description Logic with Uniqueness Constraints via Path Agreements
We now know that the addition of a concept constructor called a Path Functional Dependency (PFD) to the Boolean-complete description logic DLF leads to undecidability of ABox consi...
Vitaliy L. Khizder, David Toman, Grant E. Weddell