Han, Jung Hyun, Dong Hyun Lee, Hyunwoo Kim, Hoh Peter In, Hee Seo Chae, Eenjun Hwang, and Young Ik Eom. 2012. “A Situation-Aware Cross-Platform Architecture for Ubiquitous Game”. COMPUTING AND INFORMATICS 28 (5):619–633. https://www.cai.sk/ojs/index.php/cai/article/view/52.