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- Yuki Chiba, Santiago Escobar, Naoki Nishida, David Sabel, Manfred Schmidt-Schauß, editors, 2nd International Workshop on Rewriting Techniques for Program Transformations and Evaluation, WPTE 2015, July 2, 2015, Warsaw, Poland. Volume 46 of OASICS, Schloss Dagstuhl - Leibniz-Zentrum fuer Informatik, 2015.