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» Dependencies to Optimize Ontology Based Data Access
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DPD
2002
168views more  DPD 2002»
13 years 7 months ago
Evolutionary Algorithms for Allocating Data in Distributed Database Systems
A major cost in executing queries in a distributed database system is the data transfer cost incurred in transferring relations (fragments) accessed by a query from different sites...
Ishfaq Ahmad, Kamalakar Karlapalem, Yu-Kwong Kwok,...
DEXAW
2006
IEEE
133views Database» more  DEXAW 2006»
14 years 1 months ago
A High-Level Architecture of a Metadata-based Ontology Matching Framework
One of the pre-requisites for the realization of the Semantic Web vision are matching techniques which are capable of handling the open, dynamic and heterogeneous nature of the se...
Malgorzata Mochol, Elena Paslaru Bontas Simperl
BTW
2007
Springer
191views Database» more  BTW 2007»
14 years 1 months ago
The Information Integrator: Using Semantic Technology to provide a single view to distributed data
: For the integration of data that resides in autonomous data sources Software AG uses ontologies. Data source ontologies describe the data sources themselves. Business ontologies ...
Jürgen Angele, Michael Gesmann
DEXA
2009
Springer
151views Database» more  DEXA 2009»
14 years 2 months ago
Automatic Extraction of Ontologies Wrapping Relational Data Sources
Describing relational data sources (i.e. databases) by means of ontologies constitutes the foundation of most of the semantic based approaches to data access and integration. In sp...
Lina Lubyte, Sergio Tessaris
SUTC
2006
IEEE
14 years 1 months ago
Multi-ontology Based Multimedia Annotation for Domain-specific Information Retrieval
Recent advances in computer power, network bandwidth, information storage, and multimedia/signal processing techniques have led to a proliferation of multimedia data. As a result,...
Aijuan Dong, Honglin Li