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CADE
2006
Springer
14 years 5 months ago
On Keys and Functional Dependencies as First-Class Citizens in Description Logics
We investigate whether identification constraints such as keys and functional dependencies can be granted full status as a concept constructor in a Boolean-complete description log...
David Toman, Grant E. Weddell
DLOG
2007
13 years 7 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
ICDE
2007
IEEE
145views Database» more  ICDE 2007»
14 years 6 months ago
Fast Identification of Relational Constraint Violations
Logical constraints, (e.g., 'phone numbers in toronto can have prefixes 416, 647, 905 only'), are ubiquitous in relational databases. Traditional integrity constraints, ...
Amit Chandel, Nick Koudas, Ken Q. Pu, Divesh Sriva...
DLOG
2008
13 years 7 months ago
Identifying Objects Over Time with Description Logics
A fundamental requirement for cooperating agents is to agree on a selection of component values of objects that can be used for reliably communicating references to the objects, to...
David Toman, Grant E. Weddell