Abubakar, Roko, Asma’u Shehu, Aminu Muhammad Bui, and Ibrahim Saidu. “N-GRAM BASED QUERY STRUCTURING SYSTEM FOR EFFECTIVE XML RETRIEVAL”. International Journal of Advanced Computer Technology 8, no. 4 (August 25, 2019): 01-10. Accessed March 29, 2024. http://ijact.org/index.php/ijact/article/view/22.