Foydalanilgan adabiyotlar ro‘yhati Alpa Reshamwala., Dhirendra Mishra., Prajakta Pawar. REVIEW ON NATURAL LANGUAGE PROCESSING.2014. IRACST – Engineering Science and Technology: An International Journal (ESTIJ), ISSN: 2250-3498, Vol.3, No.1, February 2013.
processing: state of the art, current trends and challenges. Multimedia Tools and Applications https://doi.org/10.1007/s11042-022-13428-4.
Philipp Cimiano; Christina Unger; John McCrae (1 March 2014). Ontology-Based Interpretation of Natural Language. Morgan & Claypool Publishers. ISBN 978-1-60845-990-2.
Seo, S., & Koo, S. (2019). Question Answering System: A Survey of the State-of-the-Art. Information, 10(10), 311.
Wang, X., Liu, L., & Yu, S. (2020). A Survey of Question Answering Systems. ACM Computing Surveys, 53(2), 1-32.