This volume contains the papers presented at the 6th Workshop on Experimen-
tal Algorithms (WEA 2007), held at the School of Engineering of the University
of Rome “La Sapienza” on June 6–8, 2007. The conference is devoted to foster-
ing and disseminating high quality research results focused on the experimental
analysis of algorithms and aims at bringing together researchers from the com-
puter science and operations research communities. Papers were solicited from
all areas of algorithmic engineering research.