Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) MAJIMA Kaito and KAWAKAMI Kosuke and ISHIZUKA Kota and NAKATA Kazuhide,Keyword-level bayesian online bid optimization for sponsored search advertising,Proceedings of the Annual Conference of JSAI,2758-7347,The Japanese Society for Artificial Intelligence,2023,JSAI2023,0,2M4GS1001-2M4GS1001,https://cir.nii.ac.jp/crid/1390296808221225472,https://doi.org/10.11517/pjsai.jsai2023.0_2m4gs1001