S. Laddha, Shilpa, and Dr. Pradip M. Jawandhiya. “Onto Semantic Tourism Information Retrieval”. International Journal of Engineering and Technology 7, no. 4.7 (September 27, 2018): 148–151. Accessed April 28, 2025. https://sciencepubco.com/index.php/IJET/article/view/20532.