Nguyen, Anh, Chi Nguyen, and Phi Nguyen. “GRAPH - BASED MODEL FOR TEXT REPRESENTATION”. Science and Technology Development Journal 12, no. 7 (April 15, 2009): 5-14. Accessed May 7, 2024. http://stdj.scienceandtechnology.com.vn/index.php/stdj/article/view/2261.