Jianrong Zhou Jiongzhi Zheng Kun He 0001 Effective Variable Depth Local Search for the Budgeted Maximum Coverage Problem. 43 2022 15 Int. J. Comput. Intell. Syst. 1 https://doi.org/10.1007/s44196-022-00096-3 db/journals/ijcisys/ijcisys15.html#ZhouZH22