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ICDT
2009
ACM
128views Database» more  ICDT 2009»
14 years 8 months ago
Efficient asymmetric inclusion between regular expression types
The inclusion of Regular Expressions (REs) is the kernel of any type-checking algorithm for XML manipulation languages. XML applications would benefit from the extension of REs wi...
Dario Colazzo, Giorgio Ghelli, Carlo Sartiani
ICIW
2008
IEEE
14 years 2 months ago
DBOWL: Towards a Scalable and Persistent OWL Reasoner
—With the increasing development of real applications using Semantic Web Technologies, it is necessary to provide scalable and efficient ontology querying and reasoning systems....
María del Mar Roldán García, ...
ICLP
2007
Springer
13 years 11 months ago
Web Sites Verification: An Abductive Logic Programming Tool
We present the CIFFWEB system, an innovative tool for the verification of web sites, relying upon abductive logic programming. The system allows the user to define rules that a web...
Paolo Mancarella, Giacomo Terreni, Francesca Toni
PODS
2003
ACM
118views Database» more  PODS 2003»
14 years 7 months ago
Numerical document queries
A query against a database behind a site like Napster may search, e.g., for all users who have downloaded more jazz titles than pop music titles. In order to express such queries,...
Helmut Seidl, Thomas Schwentick, Anca Muscholl
PODS
1994
ACM
138views Database» more  PODS 1994»
13 years 11 months ago
Dyn-FO: A Parallel, Dynamic Complexity Class
Traditionally, computational complexity has considered only static problems. Classical Complexity Classes such as NC, P, and NP are de ned in terms of the complexity of checking {...
Sushant Patnaik, Neil Immerman