Abstract
We revisit the batched bin packing problem. In this model, items come in K consecutive batches, and the items of the earlier batches must be packed without any knowledge of later batches. We give the first approximation algorithm for the case \(K=2\), with tight asymptotic approximation ratio of 1.5833, while the known lower bound of the model is 1.378. With the application of this result, we are also able to provide an improved algorithm for the recently defined graph-bin packing problem in a special case, where we improve the upper bound from 3 to 2.5833.
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The author would like to thank to both referees for their comments and useful suggestions. These helped improve the clarity of the paper.
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Research supported in part by the financial support of the Hungarian State and the European Union under the TAMOP-4.2.2.A-11/1/ KONV-2012-0072.
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Dosa, G. Batched bin packing revisited. J Sched 20, 199–209 (2017). https://doi.org/10.1007/s10951-015-0431-3
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DOI: https://doi.org/10.1007/s10951-015-0431-3