Yadav, Usha, and Neelam Duhan. “Efficient Retrieval of Data Using Semantic Search Engine Based on NLP and RDF”. Journal of Web Engineering 20, no. 8 (November 19, 2021): 2285–2318. Accessed July 14, 2024. https://journals.riverpublishers.com/index.php/JWE/article/view/5909.