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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
TACS
1994
Springer
13 years 11 months ago
Syntactic Definitions of Undefined: On Defining the Undefined
In the A-calculus, there is a standard notion of what terms should be considered to be "undefined": the unsolvable terms. There are various equivalent characterisations o...
Zena M. Ariola, Richard Kennaway, Jan Willem Klop,...
FQAS
2006
Springer
136views Database» more  FQAS 2006»
13 years 11 months ago
Robust Query Processing for Personalized Information Access on the Semantic Web
Abstract. Research in Cooperative Query answering is triggered by the observation that users are often not able to correctly formulate queries to databases that return the intended...
Peter Dolog, Heiner Stuckenschmidt, Holger Wache
BMCBI
2007
123views more  BMCBI 2007»
13 years 7 months ago
GO for gene documents
Annotating genes and their products with Gene Ontology codes is an important area of research. One approach for doing this is to use the information available about these genes in...
Padmini Srinivasan, Xin Ying Qiu
CIKM
2011
Springer
12 years 7 months ago
Semantic data markets: a flexible environment for knowledge management
We present Nyaya, a system for the management of Semantic-Web data which couples a general-purpose and extensible storage mechanism with efficient ontology reasoning and querying ...
Roberto De Virgilio, Giorgio Orsi, Letizia Tanca, ...