Reductive and generative approaches to management of morphological variation of keywords in monolingual information retrieval: An overview

Kimmo Kettunen

doi:10.1108/00220410910937615

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Journal of Documentation

ISSN: 0022-0418

Online from: 1945

Subject Area: Library and Information Studies

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Reductive and generative approaches to management of morphological variation of keywords in monolingual information retrieval: An overview

Document Information:
Title:	Reductive and generative approaches to management of morphological variation of keywords in monolingual information retrieval: An overview
Author(s):	Kimmo Kettunen, (Department of Information Studies, University of Tampere, Tampere, Finland)
Citation:	Kimmo Kettunen, (2009) "Reductive and generative approaches to management of morphological variation of keywords in monolingual information retrieval: An overview", Journal of Documentation, Vol. 65 Iss: 2, pp.267 - 290
Keywords:	Information retrieval, Knowledge processes, Language
Article type:	General review
DOI:	10.1108/00220410910937615 (Permanent URL)
Publisher:	Emerald Group Publishing Limited
Acknowledgements:	This work was supported by the Academy of Finland, Grant No. 1124131.
Abstract:	Purpose – The purpose of this article is to discuss advantages and disadvantages of various means to manage morphological variation of keywords in monolingual information retrieval. Design/methodology/approach – The authors present a compilation of query results from 11 mostly European languages and a new general classification of the language dependent techniques for management of morphological variation. Variants of the different techniques are compared in some detail in terms of retrieval effectiveness and other criteria. The paper consists mainly of an overview of different management methods for keyword variation in information retrieval. Typical IR retrieval results of 11 languages and a new classification for keyword management methods are also presented. Findings – The main results of the paper are an overall comparison of reductive and generative keyword management methods in terms of retrieval effectiveness and other broader criteria. Originality/value – The paper is of value to anyone who wants to get an overall picture of keyword management techniques used in IR.