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	Algorithms for the metric ring star problem with fixed edge-cost ratio 期刊论文 Journal of Combinatorial Optimization,2021, 卷号: 42, 期号: 3, 页码: 499-523 作者: Chen, Xujin; Hu, Xiaodong; Jia, Xiaohua; Tang, Zhongzheng; Wang, Chenhao 收藏 \| 浏览/下载：19/0 \| 提交时间：2022/06/06 Approximation algorithms Connected facility location Heuristics Local search Ring star
	Algorithms for the ring star problem 会议论文 Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics), Shanghai, PEOPLES R CHINA, December 16-18, 2017 作者: Chen, Xujin; Hu, Xiaodong; Tang, Zhongzheng; Wang, Chenhao; Zhang, Ying 收藏 \| 浏览/下载：12/0 \| 提交时间：2022/06/06 Approximation algorithms Heuristics Local search Rent-or-buy problem Ring star