Parallel Processing and Applied Mathematics : 12th International Conference, PPAM 2017, Lublin, Poland, September 10-13, 2017, Revised Selected Papers, Part I - Wyrzykowski, Roman (Herausgeber); Dongarra, Jack (Herausgeber); Deelman, Ewa (Herausgeber); Karczewski, Konrad (Herausgeber) (Theoretical Computer Science and General Issues, 2018)