Semi-automatic ontology extension using spreading activation
MetadataShow full item record
This paper describes a system to semi-automatically extend and refine ontologies by mining textual data from the Web sites of international online media. Expanding a seed ontology creates a semantic network through co-occurrence analysis, trigger phrase analysis, and disambiguation based on the WordNet lexical dictionary. Spreading activation then processes this semantic network to find the most probable candidates for inclusion in an extended ontology. Approaches to identifying hierarchical relationships such as subsumption, head noun analysis and WordNet consultation are used to confirm and classify the found relationships. Using a seed ontology on "climate change" as an example, this paper demonstrates how spreading activation improves the result by naturally integrating the mentioned methods.
Showing items related by title, author, creator and subject.
Ashraf, Jamshaid (2013)The Semantic Web envisions a Web where information is accessible and processable by computers as well as humans. Ontologies are the cornerstones for realizing this vision of the Semantic Web by capturing domain knowledge ...
Ontology based Intercultural Patient Practitioner Assistive Communications from Qualitative Gap AnalysisForbes, D.; Wongthongtham, Pornpit (2015)Purpose: There is an increasing interest in using information and communication technologies to support health services. But the adoption and development of even basic ICT communications services in many health services ...
Ontology based intercultural patient practitioner assistive communications from qualitative gap analysisForbes, David; Wongthongtham, Pornpit (2016)Purpose – There is an increasing interest in using information and communication technologies to support health services. But the adoption and development of even basic ICT communications services in many health services ...