Kumaresan, V., and S. Vairachilai. “Design an Efficient Top-K Query Retrieval Technique for GIQ Problems”. Journal of Advance Research in Computer Science & Engineering (ISSN 2456-3552) 2, no. 5 (May 31, 2015): 15–20. Accessed April 4, 2025. https://nnpub.org/index.php/CSE/article/view/446.