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...
Ranking of query/search answers, although introduced by early information retrieval systems, has become mandatory for internet searches. When the answers of a query or search are ...
Infomaster is an information integration system that provides integrated access tomultiple distributed heterogeneous information sources on the Internet, thus giving the illusion ...
Michael R. Genesereth, Arthur M. Keller, Oliver M....
There has been an explosion of hyperlinked data in many domains, e.g., the biological Web. Expressive query languages and effective ranking techniques are required to convert this...
This paper uses a knowledge-based approach to querying heterogeneous spatial databases based on an ontology and conceptual and attribute similarities. The ontology, which may be in...