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- W2130418601 abstract "We consider the problem of scheduling a set of jobs on a single machine with the objective of minimizing sum of weighted completion times. The problem is NP-hard when there are precedence constraints between jobs [15]. We provide an efficient combinatorial 2-approximation algorithm for this problem. In contrast to our work, earlier approximation algorithms [11] achieving constant factor approximations are based on solving a linear programming relaxation of the problem. We also show that the linear ordering relaxation of Potts [19] has an integrality gap of 2." @default.
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- W2130418601 date "1999-10-01" @default.
- W2130418601 modified "2023-09-30" @default.
- W2130418601 title "Precedence constrained scheduling to minimize sum of weighted completion times on a single machine" @default.
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- W2130418601 doi "https://doi.org/10.1016/s0166-218x(98)00143-7" @default.
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