Van-Quyet Nguyen, Thi-Xuan-Lac Bui, and Van-Hau Nguyen. 2020. “AN EFFICIENT GRAPH MODELING APPROACH FOR STORING AND ANALYZING HETEROGENEOUS IOT DATA”. UTEHY Journal of Applied Science and Technology 27 (October), 21-27. http://jst.utehy.edu.vn/index.php/jst/article/view/384.