Efficient algorithms for two generalized 2-median problems and the group median problem on trees

Chi-Yuan Chan, Shan-Chyun Ku, Chi-Jen Lu, Biing-Feng Wang. Efficient algorithms for two generalized 2-median problems and the group median problem on trees. Theoretical Computer Science, 410(8-10):867-876, 2009. [doi]

Abstract

Abstract is missing.