Regularized Classifiers for Information Retrieval. - Abderrezak Brahmi; Ahmed Ech-Cherif (Canadian AI, 2005)

Arabic texts analysis for topic modeling evaluation. - Abderrezak Brahmi; Ahmed Ech-Cherif; Abdelkader Benyettou (Inf. Retr., 2012)

An arabic lemma-based stemmer for latent topic modeling. - Abderrezak Brahmi; Ahmed Ech-Cherif; Abdelkader Benyettou (Int. Arab J. Inf. Technol., 2013)