Senthilkumar, R., G. Nandagopal, S. G. Radhika, and V. Renuka. “Comprehensive Indexing and Relaxed Querying of Compressed XML Data (CIRCX)”. Emerging Issues in Science and Technology Vol. 3, Feb. 2020, pp. 42-60, https://stm1.bookpi.org/index.php/eist-v3/article/view/1059.