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The Porter stemming algorithm: then and now

By P. Willett

Abstract

Purpose: In 1980, Porter presented a simple algorithm for stemming English language words. This paper summarises the main features of the algorithm, and highlights its role not just in modern information retrieval research, but also in a range of related subject domains. \ud \ud Design: Review of literature and research involving use of the Porter algorithm.\ud \ud Findings: The algorithm has been widely adopted and extended so that it has become the standard approach to word conflation for information retrieval in a wide range of languages. \ud \ud Value: The 1980 paper in Program by Porter describing his algorithm has been highly cited. This paper provides a context for the original paper as well as an overview of its subsequent use.\u

Publisher: Emerald
Year: 2006
OAI identifier: oai:eprints.whiterose.ac.uk:1434

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