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SYRCODIS
2008
120views Database» more  SYRCODIS 2008»
15 years 8 months ago
Efficient Implementation of XQuery Constructor Expressions
Element constructor is one of most expensive operations of the XQuery language as it requires deep copy of the nodes which make up the content of the constructed element. In this ...
Leonid Novak, Maxim Grinev, Ilya Taranov
SEBD
2007
114views Database» more  SEBD 2007»
15 years 8 months ago
A New Type of Metadata for Querying Data Integration Systems
Research on data integration has provided languages and systems able to guarantee an integrated intensional representation of a given set of data sources. A significant limitation...
Sonia Bergamaschi, Francesco Guerra, Mirko Orsini,...
AAAI
2006
15 years 8 months ago
Reconciling Situation Calculus and Fluent Calculus
The Situation Calculus and the Fluent Calculus are successful action formalisms that share many concepts. But until now there is no formal relation between the two calculi that wo...
Stephan Schiffel, Michael Thielscher
DLOG
2006
15 years 8 months ago
Extending the SHOIQ(D) Tableaux with DL-safe Rules: First Results
On the Semantic Web, there has been increasing demand for a ruleslike expressivity that goes beyond OWL-DL. Efforts of combining rules languages and description logics usually pro...
Vladimir Kolovski, Bijan Parsia, Evren Sirin
CR
2001
151views Education» more  CR 2001»
15 years 8 months ago
Layers of Meaning: Disentangling Subject Access Interoperability
ACT n are ge. subject access ieved. In order to facilitate subject access interoperability a mechanism must be built that allows the different controlled vocabularies to communicat...
Joseph T. Tennis