The 1st EPFL-HKUST Workshop on Computer and Communication Sciences, involving faculty from the Department of Computer Science and Engineering and strategic partner École Polytechnique Fédérale de Lausanne (EPFL) of Switzerland, was held at HKUST in October 2013. It focused on a range of topics including artificial intelligence, cloud computing, database, and crowdsourcing and big data, with the aim of promoting research collaboration and exchange between the computer science faculty and postgraduate students at EPFL and HKUST. The workshop featured talks by eight HKUST professors, namely Profs Gary Chan, Lei Chen, Lin Gu, Pan Hui, James Kwok, Qiong Luo, Dimitris Papadias and D Y Yeung, and four EPFL professors – Profs Babak Falsafi, Boi Faltings, Matthias Grossglauser and Pearl Pu.