Derici, C., Çelik, K., Kutbay, E., Aydın, Y., Güngör, T, Özgür, A., Kartal, G., "Question Analysis for a Closed Domain Question Answering System", Computational Linguistics And Intelligent Text Processing (CICLING 2015), PT II Book Series: Lecture Notes in Computer Science, A., Gelbukh (Derleyen), 9042, 468-482, 2015.