1. Vicedo, J., Ferrandez, A.: Importance of pronominal anaphora resolution in question answering systems. In: Proceedings of the 38th Annual Conference of the Association for Computational Linguistics (ACL 2000), pp. 555–562 (2000)
2. Benajiba, Y.: Arabic named entity recognition. Ph.D. dissertation, Polytechnical University of Valencia, Spain (2009)
3. Ezzeldin, A.M., Shaheen, M.: A survey of Arabic question answering: challenges, tasks, approaches, tools, and future trends. In: The 13th International Arab Conference on Information Technology, ACIT 2012 (2012)
4. Hammo, B., Abu-Salem, H., Lytinen, S.: QARAB: a QA system to support the Arabic language. In: Proceedings of the Workshop on Computational Approaches to Semitic Languages, Philadelphia, pp. 55–65 (2002)
5. Harabagiu, S., Bejan, C.A.: Question answering based on temporal inference. In: Proceedings of the AAAI-2005 Workshop on Inference for Textual Question Answering (2005)