Preface

This volume contains the papers accepted for presentation at SoCS 2013, the Sixth Annual Symposium on Combinatorial Search, held in Leavenworth, WA, USA on July 11–13, 2013. SoCS 2013 was held in cooperation with AAAI and collocated with the Twenty-Seventh AAAI Conference (AAAI 2013) and the 10th Symposium on Abstraction, Reformulation, and Approximation (SARA 2013).