2020 The 4th High Performance Computing and Cluster Technologies Conference (HPCCT 2020) will be held in Ocean University of China, Qingdao, China during July 3-6, 2020 More details, please visit: http://www.hpcct.org HPCCT 2020 is co-sponsored by College of Information Science and Engineering, Ocean University of China, China and Research Institute of Big Data Analytics, Xi'an Jiaotong-Liverpool University, China. Technical Sponsored by South China University of Technology, China and China Agricultural University, China. Publication and Indexing: All submissions will be peer reviewed 2-3 reviewers, and the accepted papers after registration will be published in International Conference Proceedings Series by ACM, which indexed by Ei Compendex and Scopus. Nov. 05th, 2018: Papers of HPCCT2018 is already online. Jan. 10th, 2019：Papers of HPCCT2018 are indexed by Ei Compendex and Scopus Aug. 26th, 2019：Papers of HPCCT2019 is already online. Call for Papers: Topics of interest for submission include, but are not limited to: Parallel and distributed system architectures Languages and compilers for high performance computing Parallel and distributed software technologies Parallel and distributed algorithms Embedded systems Peer-to-peer computing Grid and cluster computing Web services and Internet computing Cloud computing Utility computing Performance evaluation and measurement Tools and environments for software development Distributed systems and applications High-performance scientific and engineering computing Database applications and data mining Biological/molecular computing Collaborative and cooperative environments Mobile computing and wireless communications Computer Networks Telecommunications Pervasive/ubiquitous computing and intelligence Autonomic, reliability and fault-tolerance Trust, security and privacy Submission: By Email: hpcct2016@vip.163.com By online submission system: http://confsys.iconf.org/submission/hpcct2020 Contact: Ms. Carmen Wong Conference Secretary of HPCCT 2020 Email:hpcct2016@vip.163.com Tel: +86-15928616367 (China)