Hu, Qingbo
Xie, Sihong
Lin, Shuyang
Wang, Senzhang
Yu, Philip S.
Funding for this research was provided by:
Pinnacle Lab at Singapore Management University
National Science Foundation (III-1526499)
National Science Foundation (CNS-1115234)
National Science Foundation (OISE-1129076)
Google (Research Award)
Article History
Received: 31 August 2015
Revised: 31 August 2015
Accepted: 2 September 2015
First Online: 22 September 2015