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» Upgrading relational legacy data to the semantic web
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MDM
2009
Springer
201views Communications» more  MDM 2009»
14 years 3 months ago
OntoMobiLe: A Generic Ontology-Centric Service-Oriented Architecture for Mobile Learning
Creation of pedagogical learning models to handle the specificity of mobile learning and the inherent constraints of mobile devices is a fundamental challenge in mobile learning. ...
Keng Y. Yee, Wee Tiong Ang, Flora S. Tsai, Rajaram...
ICDT
2007
ACM
105views Database» more  ICDT 2007»
14 years 2 months ago
Optimization of Query Plans in the presence of Access Limitations
We consider the problem of querying data sources that have limited capabilities and can thus only be accessed by complying with certain binding patterns for their attributes. This ...
Andrea Calì, Diego Calvanese, Davide Martin...
APIN
2000
75views more  APIN 2000»
13 years 8 months ago
Context Knowledge Representation and Reasoning in the Context Interchange System
The Context Interchange Project presents a unique approach to the problem of semantic conflict resolution among multiple heterogeneous data sources. The system presents a semantic...
Stéphane Bressan, Cheng Hian Goh, Natalia L...
SEMWEB
2005
Springer
14 years 2 months ago
Containment and Minimization of RDF/S Query Patterns
Semantic query optimization (SQO) has been proved to be quite useful in various applications (e.g., data integration, graphical query generators, caching, etc.) and has been extens...
Giorgos Serfiotis, Ioanna Koffina, Vassilis Christ...
JSW
2008
113views more  JSW 2008»
13 years 8 months ago
Semantic Information Retrieval Based on Fuzzy Ontology for Electronic Commerce
Information retrieval is the important work for Electronic Commerce. Ontology-based semantic retrieval is a hotspot of current research. In order to achieve fuzzy semantic retrieva...
Jun Zhai, Yiduo Liang, Yi Yu, Jiatao Jiang