"Shoki Yamao,Ryota Ueda,Shoichiro Koguchi,Michi Nakase,Aru Suzuki,Kohdai Toyoda,Ken Kobayashi,Kazuhide Nakata","Estimating Sales Transitions between Competing Products via Optimal Transport",,"PLOS ONE",,"Vol. 20","no. 6"," e0325173",2025,June "Shoichiro Koguchi,Kazuhide Nakata,Ken Kobayashi,Kosuke Kawakami,Takenori Nakajima,Kevin Kratzer","Online joint optimization of sponsored search ad bid amounts and product prices on e-commerce","ICORES - 14th International Conference on Operations Research and Enterprise Systems","Proccedings of 14th International Conference on Operations Research and Enterprise Systems",,,,,2025,Feb. "山尾奬紀,植田遼太,高口奨一郎,中瀬達,鈴木愛,豊田耕大,小林健,中田和秀","最適輸送に基づく商品間の売上推移の推定","日本オペレーションズ・リサーチ学会 2024年秋季研究発表会",,,,,,2024,Sept.