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» Expressiveness and complexity of graph logic
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CPAIOR
2007
Springer
14 years 5 months ago
Modeling the Regular Constraint with Integer Programming
Many optimisation problems contain substructures involving constraints on sequences of decision variables. Such constraints can be very complex to express with mixed integer progra...
Marie-Claude Côté, Bernard Gendron, L...
IEEECIT
2006
IEEE
14 years 5 months ago
Generic Modeling and Annotation of the Dance Video Semantics
Dance is the real cultural wealth of any nation and dance media is the source for learning the dance steps by the present and future generation of students. Dance videos exhibit r...
Balakrishnan Ramadoss, Kannan Rajkumar
SACMAT
2004
ACM
14 years 4 months ago
A role-based approach to access control for XML databases
In order to provide a general access control methodology for parts of XML documents, we propose combining rolebased access control as found in the Role Graph Model, with a methodo...
Jingzhu Wang, Sylvia L. Osborn
WISE
2005
Springer
14 years 4 months ago
Scalable Instance Retrieval for the Semantic Web by Approximation
Abstract. Approximation has been identified as a potential way of reducing the complexity of logical reasoning. Here we explore approximation for speeding up instance retrieval in...
Holger Wache, Perry Groot, Heiner Stuckenschmidt
ICDE
2004
IEEE
137views Database» more  ICDE 2004»
15 years 10 days ago
Selectivity Estimation for XML Twigs
Twig queries represent the building blocks of declarative query languages over XML data. A twig query describes a complex traversal of the document graph and generates a set of el...
Neoklis Polyzotis, Minos N. Garofalakis, Yannis E....