1. P. M. Aoki, R. J. Honicky, A. Mainwaring, C. Myers, E. Paulos, S. Subramanian, and A. Woodruff. A vehicle for research: Using street sweepers to explore the landscape of environmental community action. SIGCHI '09. ACM.
2. D. J. Best and D. E. Roberts. Algorithm as 89: The upper tail probabilities of spearman's rho.Journal of the Royal Statistical Society. Series C (Applied Statistics), 24(3): pp. 377--379, 1975.
3. J. Chen, H. Chen, G. Zheng, J. Z. Pan, H. Wu, and N. Zhang. Big smog meets web science: Smog disaster analysis based on social media and device data on the web. WWW Companion '14, 2014.
4. K. He, J. Sun, and X. Tang. Single image haze removal using dark channel prior.PAMI, 33(12), Dec 2011.
5. K. He, J. Sun, and X. Tang. Guided image filtering.PAMI, 35(6), June 2013.