A comparison of Text Classification methods Method of weighted terms selected by different Stemming Techniques
Mariem Bounabi, Karim El Moutaouakil, Khalid Satori · 2017
In the retrieval information, three factors have an important impact on the systems performance: the stemmer algorithm, the extract feature method and the classification tool. In this work, we compare three well-known stemming Techniques: Lovins stemmer, iterated Lovins and snowball Stemmer. Concerning the classification phase, we compare, experimentally, five methods: BNET, NBMU, RF, SLogicF, and SVM. Basing on these latter, we propose a new retrieval system by calling the vote method to improve the performance of the classical systems. In this paper, we use the TFIDF algorithm to extract features. The envisaged systems are testing on two databases: BBCNEWS and BBCSPORT. The systems based on Lovins stemmers and on the voting technique give the best results. In fact, for the first databases, the best accuracy observed is for the system Lovins +Vote with a recognition rate about 97%. Concerning the second database, the system snowball +Vote that gives us 99% as recognition rate.