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Stemmer Testing

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The Paice-Husk Stemmer developed by Chris D Paice with the assistance of Gareth Husk at Lancaster University features an externally stored set of stemming rules, and this flexibility over the Porter stemmer made it of interest to several researchers including ourselves.

Apart from the Stemmer itself, Chris Paice developed a method for directly measuring the performance of stemmers using grouped lists of words, and we made use of his 'ERRT' method in our List Analyser software while developing and testing our own stemming rules in several languages for the dtSearch Stemmer, which also stores the rules in an external file much like the Paice-Husk Stemmer.