Yiannis Giannakopoulos, Elias Koutsoupias, Philip Lazos. Online Market Intermediation. In Ioannis Chatzigiannakis, Piotr Indyk, Fabian Kuhn, Anca Muscholl, editors, 44th International Colloquium on Automata, Languages, and Programming, ICALP 2017, July 10-14, 2017, Warsaw, Poland. Volume 80 of LIPIcs, Schloss Dagstuhl - Leibniz-Zentrum fuer Informatik, 2017. [doi]