Arabic Corpus
Text categorization, arabic language processing, language modeling
...Smaili (2005) Comparison of Topic Identification Methods for Arabic Language, RANLP05 : Recent Advances in Natural Language Processing ,pp. 14-17, 21-23 september 2005, Borovets, Bulgary.
More useful references to check:
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https://sites.google.com/site/mouradabbas9/corpora