1. Al Shamsi, F., & Guessoum, A. (2006). A hidden markov model-based POS tagger for Arabic. In Proceedings of the 8th International Conference on the Statistical. Besançon, France.
2. Al-Taani, A. T., & Al-Rub, S. A. (2009). A rule-based approach for tagging non-vocalized Arabic words. International Arab Journal of Information Technology, 6(3), 320–328.
3. Altabba, M., Al-Zaraee, A., & Shukairy, M. A. (2010). An Arabic morphological analyzer and part-of-speech tagger. Thesis, Faculty of Informatics Engineering, Arab International University, Damascus.
4. Antony, P. J., & Soman, K. P. (2011). Parts of speech tagging for Indian languages: A literature survey. International Journal of Computer Applications (0975-8887), 34(8), 22–29.
5. Atiyya, M., Choukri, K., & Yaseen, M. (2005, September 29). NEMLAR Arabic written corpus. Retrieved June 11, 2015, from http://www.rdi-eg.com/Downloads/Lang%20Tech/Nemlar-specifications-resources-WC-V3.0_Final.doc .