Randomization, Approximation, and Combinatorial Optimization. Algorithms and Techniques Third International Workshop on Randomization and Approximation Techniques in Computer Science, and Second International Workshop on Approximation Algorithms for Combinatorial Optimization Problems RANDOM-APPROX'99,Berkeley, CA, USA, August 8-11, 1999 Pro - Hochbaum, Dorit; Hochbaum, Dorit; Jansen, Klaus; Jansen, Klaus; Rolim, Jose D.P; Rolim, Jose D.P; Sinclair, Alistair; Sinclair, Alistair (Springer Berlin Heidelberg : Imprint: Springer, 1999)