オントロジー構築サービスONTOMOの開発 : 固有名詞抽出によるインスタンス・プロパティ自動推薦エージェントの評価

概要

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Ontology-enabled services are rapidly increasing in the Web. However, those are sort of ``lighter ontologies compared with ontologies used in design and diagnosis. In this paper, we propose ONTOMO that enables internet users to take part in building those ontologies. ONTOMO is designed not for ontology experts, but for general users of the light-weight ontology. So we focused on easy-use, no installation, and cooperative work environment. Also, it has an agent function which recommends instances and properties belong to ontology classes to boost the users input. In the recommendation agent, we built our own proper noun extraction mechanism based on bootstrapping. Furthermore, ONTOMO provides a ontology-based blog search as a sample application to motivate the users ontology building. After the ONTOMO overview, we present the instance and property recommendation agent with experimental evaluation.