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» Constraints over Ontologies
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SEMWEB
2009
Springer
16 years 1 months ago
Practical Aspects of Query Rewriting for OWL 2
Abstract. Query answering for the QL profile of OWL 2 and a substantial fragment of the EL profile can be implemented via query rewriting. In our previous work, we presented RQR...
Héctor Pérez-Urbina, Ian Horrocks, B...
BIBE
2008
IEEE
100views Bioinformatics» more  BIBE 2008»
16 years 28 days ago
Flexible data integration and ontology-based data access to medical records
— The ASSIST project aims to facilitate cervical cancer research by integrating medical records containing both phenotypic and genotypic data, and residing in different medical c...
Lucas Zamboulis, Alexandra Poulovassilis, George R...
WEBNET
2001
15 years 7 months ago
An Adaptive Hypermedia Presentation Modeling System for Custom Knowledge Representations
We propose a generic presentation system for adaptive educational hypermedia that is highly independent from domain knowledge representation and application state management. Our a...
Pablo Castells, José Antonio Macías ...
ACL
1990
15 years 7 months ago
Structural Disambiguation with Constraint Propagation
We present a new grammatical formalism called Constraint Dependency Grammar (CDG) in which every grammatical rule is given as a constraint on wordto-word modifications. CDG parsin...
Hiroshi Maruyama
CCECE
2006
IEEE
16 years 15 days ago
Control of Tele-Operation Systems Subject to Capacity Limited Channels and Uncertainty
This paper is concerned with asymptotic observability and stabilizability of dynamical systems over communication channels subject to limited transmission capacity constraint and ...
Alireza Farhadi, Charalambos D. Charalambous