Topic extraction for ontology learning
- Publisher:
- IGI Global
- Publication Type:
- Chapter
- Citation:
- Ontology Learning and Knowledge Discovery Using the Web: Challenges and Recent Advances, 2011, pp. 38-60
- Issue Date:
- 2011-12-01
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This chapter addresses the issue of topic extraction from text corpora for ontology learning. The first part provides an overview of some of the most significant solutions present today in the literature. These solutions deal mainly with the inferior layers of the Ontology Learning Layer Cake. They are related to the challenges of the Terms and Synonyms layers. The second part shows how these pieces can be bound together into an integrated system for extracting meaningful topics. While the extracted topics are not proper concepts as yet, they constitute a convincing approach towards concept building and therefore ontology learning. This chapter concludes by discussing the research undertaken for filling the gap between topics and concepts as well as perspectives that emerge today in the area of topic extraction. © 2011, IGI Global.
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