Submissions must not substantially overlap with papers that have been published or that are simultaneously submitted to a journal or a conference with proceedings. Submissions should be at most 15 pages (*.pdf) including the bibliography and appendices with LNCS template http://www.springer.com/computer/lncs?SGWID=0-164-6-793341-0. Submissions must be made to the submission website at https://easychair.org/conferences/?conf=gpc2016. Only PDF files will be accepted. If accepted, one of the authors is expected to present the paper at the conference.