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KYOTODL
2000
122views more  KYOTODL 2000»
13 years 9 months ago
Federation Services for Heterogeneous Digital Libraries Accessing Cooperative and Non-Cooperative Sources
Today, bibliographical information is kept in a variety of digital libraries available on the Internet. The integration of bibliographical data is considered as one of the most im...
Martin Endig, Michael Höding, Gunter Saake, K...
IJMI
2006
73views more  IJMI 2006»
13 years 7 months ago
Six methodological steps to build medical data warehouses for research
In this paper we describe a methodology that emerged during a healthcare project, which consisted among others in grouping information from heterogeneous and distributed informati...
Nicolae B. Szirbik, C. Pelletier, Thierry J. Chaus...
CIKM
2010
Springer
13 years 6 months ago
Query optimization for ontology-based information integration
In recent years, there has been an explosion of publicly available RDF and OWL data sources. In order to effectively and quickly answer queries in such an environment, we present...
Yingjie Li, Jeff Heflin
DEXA
2004
Springer
110views Database» more  DEXA 2004»
14 years 1 months ago
An a Priori Approach for Automatic Integration of Heterogeneous and Autonomous Databases
Data integration is the process that gives users access to multiple data sources though queries against a global schema. Semantic heterogeneity has been identified as the most imp...
Ladjel Bellatreche, Guy Pierra, Dung Nguyen Xuan, ...
SEMWEB
2005
Springer
14 years 1 months ago
Gnowsis Adapter Framework: Treating Structured Data Sources as Virtual RDF Graphs
The integration of heterogenous data sources is a crucial step for the upcoming semantic web – if existing information is not integrated, where will the data come from that the s...
Leo Sauermann, Sven Schwarz