Kai Kang, Bart Hengeveld, Jun Hu 0001, Shengxiong Zhang, Caroline Hummels. R2S: A Public Augmented Printed Media System to Promote Care Home Residents' Social Interaction. In Proceedings of the 21st International Conference on Human-Computer Interaction with Mobile Devices and Services, MobileHCI 2019, Taipei, Taiwan, October 1-4, 2019. ACM, 2019. [doi]