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Ontology Summarization Based on RDF Sentence Graph

Ontology Summarization Based on RDF Sentence Graph. Written by: Xiang Zhang, Gong Cheng, Yuzhong Qu Presented by: Sophya Kheim. Problem. The problem the paper is addressing is the importance of Ontology Summarization to understand and select ontologies.

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Ontology Summarization Based on RDF Sentence Graph

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  1. Ontology Summarization Based on RDF Sentence Graph Written by: Xiang Zhang, Gong Cheng, Yuzhong Qu Presented by: Sophya Kheim

  2. Problem • The problem the paper is addressing is the importance of Ontology Summarization to understand and select ontologies. • The problem interesting because there is no published work on ontology summarization

  3. Solution • RDF Sentence Builder • Ontology • Length • Preference • Graph Builder • Builds RDF Sentence Graphs • Describes links between RDF Sentences • Salience Assessor • Ranks RDF sentences based the link analysis of the graph • “Centrality” • Re-ranker • Produces final summary • Ranking algorithm reduces redundancy and enhances coherence

  4. Criticism • Interesting because there currently is no published work on ontology summarization • Since there was no published work on ontology summarization, they had to evaluate their ontology summarization based on text summarization and not other ontology summarizations

  5. Relation to Class • Semantic Web and Ontology • Determining the salience of RDF sentences using “centrality” • Social Networks • PageRank • Authorities/Hubs

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