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» Interpreting distributed ontologies
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BMCBI
2008
200views more  BMCBI 2008»
13 years 8 months ago
Defining functional distances over Gene Ontology
Background: A fundamental problem when trying to define the functional relationships between proteins is the difficulty in quantifying functional similarities, even when well-stru...
Angela del Pozo, Florencio Pazos, Alfonso Valencia
BMCBI
2008
110views more  BMCBI 2008»
13 years 8 months ago
Testing for treatment effects on gene ontology
In studies that use DNA arrays to assess changes in gene expression, it is preferable to measure the significance of treatment effects on a group of genes from a pathway or functi...
Taewon Lee, Varsha G. Desai, Cruz Velasco, Robert ...
SEMWEB
2009
Springer
14 years 2 months ago
Conjunctive Query Answering in Distributed Ontology Systems for Ontologies with Large OWL ABoxes
We present a query processing procedure for conjunctive queries in distributed ontology systems where a large ontology is divided into ontology fragments that are later distributed...
Xueying Chen, Michel Dumontier
SAC
2006
ACM
14 years 1 months ago
Imprecise RDQL: towards generic retrieval in ontologies using similarity joins
Traditional semantic web query languages support a logicbased access to the semantic web. They offer a retrieval (or reasoning) of data based on facts. On the traditional web and...
Abraham Bernstein, Christoph Kiefer
FLAIRS
2004
13 years 9 months ago
Characterizing Quality of Knowledge on Semantic Web
The Semantic Web is intended for knowledge sharing among agents as well as humans. To achieve this goal, Ontologies, which express knowledge in a certain vitality as well as in a ...
Kaustubh Supekar, Chintan Patel, Yugyung Lee