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» On Modal Deductive Databases
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WISE
2002
Springer
14 years 13 days ago
Towards Declarative XML Querying
How to extract data from XML documents is an important issue for XML research and development. However, how to view XML documents determines how they can be queried. In this paper...
Mengchi Liu, Tok Wang Ling
LISP
2008
97views more  LISP 2008»
13 years 7 months ago
Efficient and flexible access control via Jones-optimal logic program specialisation
We describe the use of a flexible meta-interpreter for performing access control checks on deductive databases. The meta-program is implemented in Prolog and takes as input a datab...
Steve Barker, Michael Leuschel, Mauricio Varea
JAPLL
2010
179views more  JAPLL 2010»
13 years 6 months ago
Tractable query answering and rewriting under description logic constraints
Answering queries over an incomplete database w.r.t. a set of constraints is an important computational task with applications in fields as diverse as information integration and ...
Héctor Pérez-Urbina, Boris Motik, Ia...
PPDP
2010
Springer
13 years 6 months ago
Deriving predicate statistics in datalog
Database query optimizers rely on data statistics in selecting query execution plans. Similar query optimization techniques are desirable for deductive databases and, to make this...
Senlin Liang, Michael Kifer
ICOODB
2009
94views Database» more  ICOODB 2009»
13 years 5 months ago
Metamodelling with Datalog and Classes: ConceptBase at the Age of 21
ConceptBase is a deductive object-oriented database system intended for the management of metadata. A distinguishing feature of the Telos language underlying ConceptBase is the abi...
Matthias Jarke, Manfred A. Jeusfeld, Hans W. Nisse...