A Reinforcement Learning Agent for Obstacle-Avoiding Rectilinear Steiner Tree Construction. - Po-Yan Chen; Bing-Ting Ke; Tai-Cheng Lee; I-Ching Tsai; Tai-Wei Kung; Li-Yi Lin; En-Cheng Liu; Yun-Chih Chang; Yih-Lang Li; Mango C.-T. Chao (ISPD, 2022)