Topic Analysis of the Research Domain in Knowledge Organization: A Latent Dirichlet Allocation Approach

Soohyung Joo; Inkyung Choi; and Namjoo Choi

doi:10.5771/0943-7444-2018-2-170

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KO KNOWLEDGE ORGANIZATION , Seite 170 - 183

Topic Analysis of the Research Domain in Knowledge Organization: A Latent Dirichlet Allocation Approach

Autoren

Soohyung Joo Inkyung Choi and Namjoo Choi

DOI
- doi.org/10.5771/0943-7444-2018-2-170
- ISSN print: 0943-7444
- ISSN online: 2942-3309
Abstract

Based on text mining, this study explored topics in the research domain of knowledge organization. A text corpus consisting of titles and abstracts was generated from 282 articles of the Knowledge Organization journal for the recent ten years from 2006 to 2015. Term frequency analysis and Latent Dirichlet allocation topic modeling were employed to analyze the collected corpus. Topic modeling uncovered twenty research topics prevailing in the knowledge organization field, including theories and epistemology, classification scheme, domain analysis and ontology, digital archiving, document indexing and retrieval, taxonomy and thesaurus system, metadata and controlled vocabulary, ethical issues, and others. In addition, topic trends over the ten years were examined to identify topics that attracted more discussion in the journal. The top two topics that received increased attention recently were “ethical issues in knowledge organization” and “domain analysis and ontologies.” This study yields insight into a better understanding of the research domain of knowledge organization. Moreover, text mining approaches introduced in this study have methodological implications for domain analysis in knowledge organization.
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