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» Optimising Ontology Classification
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OWLED
2007
15 years 1 months ago
Describing Chemical Functional Groups in OWL-DL for the Classification of Chemical Compounds
Functional groups describe the semantics of chemical reactivity in terms of atoms and their connectivity, which exhibit characteristic chemical behavior when present in a compound....
Natalia Villanueva-Rosales, Michel Dumontier
BMCBI
2007
104views more  BMCBI 2007»
14 years 12 months ago
Using contextual and lexical features to restructure and validate the classification of biomedical concepts
Background: Biomedical ontologies are critical for integration of data from diverse sources and for use by knowledge-based biomedical applications, especially natural language pro...
Jung-Wei Fan, Hua Xu, Carol Friedman
DEEC
2005
IEEE
15 years 5 months ago
Practical Issues for Building a Product Ontology System
A base of clearly defined product information is a key foundation for an e-commerce system. The manipulation and exchange of semantically enriched and precise product information ...
Ig-hoon Lee, Suekyung Lee, Taehee Lee, Sang-goo Le...
CIDM
2009
IEEE
15 years 3 months ago
Handling continuous attributes in Ant Colony Classification algorithms
Most real-world classification problems involve continuous (real-valued) attributes, as well as, nominal (discrete) attributes. The majority of Ant Colony Optimisation (ACO) classi...
Fernando E. B. Otero, Alex Alves Freitas, Colin G....
PRL
2006
78views more  PRL 2006»
14 years 11 months ago
The interaction between classification and reject performance for distance-based reject-option classifiers
Consider the class of problems in which a target class is well-defined, and an outlier class is ill-defined. In these cases new outlier classes can appear, or the class-conditiona...
Thomas Landgrebe, David M. J. Tax, Pavel Pacl&iacu...