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» The Limits of Querying Ontologies
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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...
ICDT
2001
ACM
110views Database» more  ICDT 2001»
14 years 1 months ago
On Answering Queries in the Presence of Limited Access Patterns
In information-integration systems, source relations often have limitations on access patterns to their data; i.e., when one must provide values for certain attributes of a relatio...
Chen Li, Edward Y. Chang
WIDM
2003
ACM
14 years 1 months ago
XWebSOGO: an ontology language to describe and query web sources
Ontologies play an important role in the Semantic Web. Currently, several Web ontology languages have been proposed and there has been a substantial effort towards the formalizat...
Edna Ruckhaus, Maria-Esther Vidal
BIS
2008
176views Business» more  BIS 2008»
13 years 10 months ago
Community-Driven Ontology Evolution: Gene Ontology Case Study
Abstract. Communities on the Web capture, represent, and evolve their knowledge using ontologies, either explicitly or implicitly. The Gene Ontology project is a typical and advanc...
Anna V. Zhdanova
COSIT
2001
Springer
197views GIS» more  COSIT 2001»
14 years 1 months ago
Geographical Information Retrieval with Ontologies of Place
Geographical context is required of many information retrieval tasks in which the target of the search may be documents, images or records which are referenced to geographical spac...
Christopher B. Jones, Harith Alani, Douglas Tudhop...