Intelligent information and database systems 12th Asian conference, ACIIDS 2020, Phuket, Thailand, March 23–26, 2020, proceedings, part I - Nguyen, Ngoc Thanh 1963-; Jearanaitanakij, Kietikul; Selamat, Ali; Trawiński, Bogdan; Chittayasothorn, Suphamit (Lecture notes in computer science, 2020)