An unsupervised approach to automatic classification of scientific literature utilizing bibliographic metadata

Authors:
Arash Joorabchi;Abdulhussain E. Mahdi
Affiliations:
Department of Electronic and Computer Engineering, University of Limerick, Limerick, Republic of Ireland;Department of Electronic and Computer Engineering, University of Limerick, Limerick, Republic of Ireland
Venue:
Journal of Information Science
Year:
2011

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Abstract

This article describes an unsupervised approach for automatic classification of scientific literature archived in digital libraries and repositories according to a standard library classification scheme. The method is based on identifying all the references cited in the document to be classified and, using the subject classification metadata of extracted references as catalogued in existing conventional libraries, inferring the most probable class for the document itself with the help of a weighting mechanism. We have demonstrated the application of the proposed method and assessed its performance by developing a prototype software system for automatic classification of scientific documents according to the Dewey Decimal Classification scheme. A dataset of 1000 research articles, papers, and reports from a well-known scientific digital library, CiteSeer, were used to evaluate the classification performance of the system. Detailed results of this experiment are presented and discussed.