Journal of Information Processing Systems

Korea Information Processing Society (한국정보처리학회)
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An Ontology-Based Labeling of Influential Topics Using Topic Network Analysis

  • Kim, Hyon Hee (Dept. of Statistics and Information Science, Dongduk Women's University) ;
  • Rhee, Hey Young (Dept. of Library and Information Science, Dongduk Women's University)
  • Received : 2018.05.29
  • Accepted : 2018.07.06
  • Published : 2019.10.31
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Abstract

In this paper, we present an ontology-based approach to labeling influential topics of scientific articles. First, to look for influential topics from scientific article, topic modeling is performed, and then social network analysis is applied to the selected topic models. Abstracts of research papers related to data mining published over the 20 years from 1995 to 2015 are collected and analyzed in this research. Second, to interpret and to explain selected influential topics, the UniDM ontology is constructed from Wikipedia and serves as concept hierarchies of topic models. Our experimental results show that the subjects of data management and queries are identified in the most interrelated topic among other topics, which is followed by that of recommender systems and text mining. Also, the subjects of recommender systems and context-aware systems belong to the most influential topic, and the subject of k-nearest neighbor classifier belongs to the closest topic to other topics. The proposed framework provides a general model for interpreting topics in topic models, which plays an important role in overcoming ambiguous and arbitrary interpretation of topics in topic modeling.

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