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AAAI
2006
15 years 7 months ago
Characterizing Data Complexity for Conjunctive Query Answering in Expressive Description Logics
Description Logics (DLs) are the formal foundations of the standard web ontology languages OWL-DL and OWL-Lite. In the Semantic Web and other domains, ontologies are increasingly ...
Magdalena Ortiz, Diego Calvanese, Thomas Eiter
CORR
2008
Springer
116views Education» more  CORR 2008»
15 years 6 months ago
An Evidential Path Logic for Multi-Relational Networks
Multi-relational networks are used extensively to structure knowledge. Perhaps the most popular instance, due to the widespread adoption of the Semantic Web, is the Resource Descr...
Marko A. Rodriguez, Joe Geldart
BMCBI
2007
109views more  BMCBI 2007»
15 years 6 months ago
A cis-regulatory logic simulator
Background: A major goal of computational studies of gene regulation is to accurately predict the expression of genes based on the cis-regulatory content of their promoters. The d...
Robert D. Zeigler, Jason Gertz, Barak A. Cohen
157
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AIMSA
2008
Springer
16 years 12 days ago
Mapping Properties of Heterogeneous Ontologies
Abstract. State of the art formalisms for distributed ontology integration provide ways to express semantic relations between concepts belonging to different ontologies. However, t...
Chiara Ghidini, Luciano Serafini
IJCNN
2006
IEEE
16 years 2 days ago
Semi-supervised feature selection via multiobjective optimization
Abstract— In previous work, we have shown that both unsupervised feature selection and the semi-supervised clustering problem can be usefully formulated as multiobjective optimiz...
Julia Handl, Joshua D. Knowles