Jens Gramm, Jiong Guo, Rolf Niedermeier. On Exact and Approximation Algorithms for Distinguishing Substring Selection. In Andrzej Lingas, Bengt J. Nilsson, editors, Fundamentals of Computation Theory, 14th International Symposium, FCT 2003, Malmö, Sweden, August 12-15, 2003, Proceedings. Volume 2751 of Lecture Notes in Computer Science, pages 195-209, Springer, 2003. [doi]
Abstract is missing.