Learning Ontology Relations by Combining Corpus-Based Techniques and Reasoning on Data from Semantic Web Sources
(Sprache: Englisch)
The manual construction of formal domain conceptualizations (ontologies) is labor-intensive. Ontology learning, by contrast, provides (semi-)automatic ontology generation from input data such as domain text. This thesis proposes a novel approach for...
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The manual construction of formal domain conceptualizations (ontologies) is labor-intensive. Ontology learning, by contrast, provides (semi-)automatic ontology generation from input data such as domain text. This thesis proposes a novel approach for learning labels of non-taxonomic ontology relations. It combines corpus-based techniques with reasoning on Semantic Web data. Corpus-based methods apply vector space similarity of verbs co-occurring with labeled and unlabeled relations to calculate relation label suggestions from a set of candidates. A meta ontology in combination with Semantic Web sources such as DBpedia and OpenCyc allows reasoning to improve the suggested labels. An extensive formal evaluation demonstrates the superior accuracy of the presented hybrid approach.
Inhaltsverzeichnis zu „Learning Ontology Relations by Combining Corpus-Based Techniques and Reasoning on Data from Semantic Web Sources “
Contents: Ontology learning fundamentals and techniques - Overview of ontology relation detection and labeling methods - A novel hybrid approach for labeling non-taxonomic relations which combines corpus-based methods with ontology reasoning based on Semantic Web sources - Improved accuracy demonstrated with an extensive formal evaluation.
Autoren-Porträt von Gerhard Wohlgenannt
Gerhard Wohlgenannt is a senior researcher at the New Media Technology Department, MODUL University Vienna. He received his PhD from the Institute for Information Business at Vienna University of Economics and Business (WU). His research interests include ontology learning, text mining and the Semantic Web.
Bibliographische Angaben
- Autor: Gerhard Wohlgenannt
- 2011, Neuausgabe, 222 Seiten, Maße: 15,3 x 21,6 cm, Gebunden, Englisch
- Verlag: Peter Lang Ltd. International Academic Publishers
- ISBN-10: 3631606516
- ISBN-13: 9783631606513
- Erscheinungsdatum: 13.05.2011
Sprache:
Englisch
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