Zaho, Zhanfang, Sung Kook Han, and Ju Ri Kim. “LPG Representation of the Reification of RDF”. International Journal of Engineering and Technology 7, no. 3.34 (September 1, 2018): 562–566. Accessed April 9, 2025. https://sciencepubco.com/index.php/IJET/article/view/19382.