Wenbo Guan Xiaoyan Tang Hongliang Lu Jingru Tan Jinlong Wang Yuming Zhang Yimen Zhang LSTM-Characterized Approach for Chip Floorplanning: Leveraging HyperGCN and DRQN. 709-722 2025 February 44 IEEE Trans. Comput. Aided Des. Integr. Circuits Syst. 2 https://doi.org/10.1109/TCAD.2024.3436013 db/journals/tcad/tcad44.html#GuanTLTWZZ25 streams/journals/tcad