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» Beyond Ontology in Information Systems
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CIKM
2010
Springer
15 years 4 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
COOPIS
2004
IEEE
15 years 10 months ago
Composing Mappings Between Schemas Using a Reference Ontology
Large-scale database integration requires a significant cost in developing a global schema and finding mappings between the global and local schemas. Developing the global schema r...
Eduard C. Dragut, Ramon Lawrence
DEXAW
2007
IEEE
172views Database» more  DEXAW 2007»
15 years 10 months ago
X-SOM: A Flexible Ontology Mapper
System interoperability is a well known issue, especially for heterogeneous information systems, where ontologybased representations may support automatic and usertransparent inte...
Carlo Curino, Giorgio Orsi, Letizia Tanca
IRI
2009
IEEE
16 years 28 days ago
Ontology Guided Autonomous Label Assignment in Wrapper Induced Tables with Missing Column Names
Formulating and executing queries over distributed, autonomous and heterogeneous resources is an important research area. The advent of the Internet and the Web and their inherent...
Mohammad Shafkat Amin, Hasan M. Jamil
ICDE
2009
IEEE
114views Database» more  ICDE 2009»
16 years 8 months ago
XOntoRank: Ontology-Aware Search of Electronic Medical Records
As the use of Electronic Medical Records (EMRs) becomes more widespread, so does the need for effective information discovery within them. Recently proposed EMR standards are XML-b...
Fernando Farfán, Vagelis Hristidis, Anand R...