Fedor V. Fomin, Andrzej Lingas. Approximation Algorithms for Time-Dependent Orienteering. In Rusins Freivalds, editor, Fundamentals of Computation Theory, 13th International Symposium, FCT 2001, Riga, Latvia, August 22-24, 2001, Proceedings. Volume 2138 of Lecture Notes in Computer Science, pages 508-515, Springer, 2001. [doi]
Abstract is missing.