Chang, Hangbae, Hyukjun Kwon, Jonggu Kang, and Yanghoon Kim. “A Case Study on Intelligent Service Design in Ubiquitous Computing”. COMPUTING AND INFORMATICS 30, no. 3 (January 26, 2012): 513–529. Accessed April 18, 2024. https://www.cai.sk/ojs/index.php/cai/article/view/182.