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Title: Context-Aware Stemming Algorithm for Semantically Related Root Words
Authors: Agbele, Kehinde K.
Adesina, A. O.
Azeez, N. A.
Abidoye, A. P.
Keywords: Context-awareness
Information retrieval
Issue Date: Jun-2012
Publisher: IEEE
Citation: Agbele, K. K., Adesina, A. O., Azeez, N. A., & Abidoye, A. P. (2012). Context-Aware Stemming algorithm for semantically related root words.
Abstract: There is a growing interest in the use of context-awareness as a technique for developing pervasive computing applications that are flexible and adaptable for users. In this context, however, information retrieval (IR) is often defined in terms of location and delivery of documents to a user to satisfy their information need. In most cases, morphological variants of words have similar semantic interpretations and can be considered as equivalent for the purpose of IR applications. Consequently, document indexing will also be more meaningful if semantically related root words are used instead of stems. The popular Porter’s stemmer was studied with the aim to produce intelligible stems. In this paper, we propose Context-Aware Stemming (CAS) algorithm, which is a modified version of the extensively used Porter’s stemmer. Considering only generated meaningful stemming words as the stemmer output, the results show that the modified algorithm significantly reduces the error rate of Porter’s algorithm from 76.7% to 6.7% without compromising the efficacy of Porter’s algorithm.
ISSN: ISSN 2006-1781
Appears in Collections:Research Articles

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