Yuantong Kong, Chenxuan Song, Zhaoqing Zhu, Dongping Sheng*. Site selection strategy for restaurant chain expansion in urban districts based on maximization of customer attraction and profitability: ACKNOWLEDGEMENTS: This work was Supported by National Key Laboratory of Science and Technology on Helicopter Transmission(Nanjing University of Aeronautics and Astronautics)(Grant No. HTL-O-20K01) and Changzhou Science and Technology Planning Project(CE20225067). ISTAER. 2025;1(4):57-70. doi:10.71451/b2syr037