Open-World Probabilistic Databases, authored by Ismail Ilkan Ceylon (a visiting student at UCLA in fall 2015) and coauthored by professors Adnan Darwiche and Guy Van den Broeck has received the 2016 Marco Cadoli Student Paper Prize for best paper at the 15th International Conference on Principles of Knowledge Representation and Reasoning (KR 2016).
Paper link: http://web.cs.ucla.edu/~guyvdb/papers/CeylanKR16.pdf
Conference link: http://kr2016.cs.uct.ac.za/