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» Ontologizing Semantic Relations
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AAAI
2012
13 years 8 months ago
Ontological Smoothing for Relation Extraction with Minimal Supervision
Relation extraction, the process of converting natural language text into structured knowledge, is increasingly important. Most successful techniques use supervised machine learni...
Congle Zhang, Raphael Hoffmann, Daniel S. Weld
ICWE
2004
Springer
15 years 11 months ago
Lifting XML Schema to OWL
The Semantic Web will allow software agents to understand and reason about data provided by Web applications. Unfortunately, formal ontologies, needed to express data semantics, ar...
Matthias Ferdinand, Christian Zirpins, David Trast...
SEMWEB
2005
Springer
15 years 11 months ago
RelExt: A Tool for Relation Extraction from Text in Ontology Extension
Abstract. Domain ontologies very rarely model verbs as relations holding between concepts. However, the role of the verb as a central connecting element between concepts is undenia...
Alexander Schutz, Paul Buitelaar
BIOINFORMATICS
2007
72views more  BIOINFORMATICS 2007»
15 years 6 months ago
The qualitative and time-dependent character of spatial relations in biomedical ontologies
The formal representation of mereological aspects of canonical anatomy (parthood relations) is relatively well understood. The formal representation of other aspects of canonical ...
Thomas Bittner, Louis J. Goldberg
SIGDIAL
2010
15 years 3 months ago
Exploring the Effectiveness of Lexical Ontologies for Modeling Temporal Relations with Markov Logic
Temporal analysis of events is a central problem in computational models of discourse. However, correctly recognizing temporal aspects of events poses serious challenges. This pap...
Eun Y. Ha, Alok Baikadi, Carlyle Licata, Bradford ...