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SEMWEB
2010
Springer
14 years 7 months ago
Using Reformulation Trees to Optimize Queries over Distributed Heterogeneous Sources
Abstract. In order to effectively and quickly answer queries in environments with distributed RDF/OWL, we present a query optimization algorithm to identify the potentially relevan...
Yingjie Li, Jeff Heflin
CBMS
2006
IEEE
15 years 3 months ago
An Ontology-Driven Mediator for Querying Time-Oriented Biomedical Data
— Most biomedical research databases contain considerable amounts of time-oriented data. However, temporal knowledge about the contextual meaning of such data is not usually repr...
Martin J. O'Connor, Ravi Shankar, Amar K. Das
79
Voted
CIKM
2010
Springer
14 years 8 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
W4A
2006
ACM
15 years 3 months ago
GraSSML: accessible smart schematic diagrams for all
Graphical representations are a powerful way of conveying information. Their use has made life much easier for most sighted users, but people with disabilities or users who work i...
Zaineb Ben Fredj, David A. Duce
76
Voted
WWW
2005
ACM
15 years 3 months ago
Hera presentation generator
Semantic Web Information Systems (SWIS) are Web Information Systems that use Semantic Web technologies. Hera is a modeldriven design methodology for SWIS. In Hera, models are repr...
Flavius Frasincar, Geert-Jan Houben, Peter Barna