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SEMWEB
2010
Springer
13 years 4 months ago
Using Reformulation Trees to Optimize Queries over Distributed Heterogeneous Sources
Abstract. In order to effectively and quickly answer queries in environments with distributed RDF/OWL, we present a query optimization algorithm to identify the potentially relevan...
Yingjie Li, Jeff Heflin
IJET
2006
112views more  IJET 2006»
13 years 6 months ago
Personalized E-Learning in the Semantic Web
: The challenge of the semantic web is the provision of distributed information with well defined meaning, understandable for different parties. Particularly, applications should b...
Nicola Henze
CALCO
2009
Springer
169views Mathematics» more  CALCO 2009»
14 years 1 months ago
Correctness, Completeness and Termination of Pattern-Based Model-to-Model Transformation
Abstract. Model-to-model (M2M) transformation consists in transforming models from a source to a target language. Many transformation languages exist, but few of them combine a dec...
Fernando Orejas, Esther Guerra, Juan de Lara, Hart...
AGTIVE
2007
Springer
13 years 10 months ago
Domain Specific Languages with Graphical and Textual Views
We show our approach for the definition of Domain Specific Languages integrating both graphical and textual views. The approach is based on the meta-modelling concepts provided by ...
Francisco Pérez Andrés, Juan de Lara...
ICALT
2003
IEEE
13 years 12 months ago
Completing LOM - How Additional Axioms Increase the Utility of Learning Object Metadata
Learning Objects Metadata describing educational resources in order to allow better reusability and retrieval. Unfortunately, annotating complete courses thoroughly with LOM metad...
Jan Brase, Mark Painter, Wolfgang Nejdl