1. Benajiba, Y., Diab, M., Rosso, P.: Arabic Named Entity Recognition: A Feature-Driven Study. IEEE Transactions on Audio, Speech and Language Processing, Special Issue on Processing Morphologically Rich Languages, 15(5), 926–934 (2010), doi:10.1109/TASL.2009.2019927
2. Bertran, M., Borrega, O., Recasens, M., Soriano, B.: AnCoraPipe: A tool for multilevel annotation. Procesamiento del lenguaje Natural, Madrid,Spain, vol. (41) (2008)
3. Brill, E.: Transformation-Based Error-Driven Learning and Natural Language Processing: A Case Study in Part-of-Speech Tagging (1995)
4. Charniak, E.: Statistical Language Learning. MIT Press, Cambridge (1993)
5. Department of Linguistics;B.B. Greene,1971