akbl at the NTCIR-15 QA Lab-PoliInfo-2 Tasks. - Takanori Nekomoto; Ryoto Ohsugi; Tomoyosi Akiba; Shigeru Masuyama; Daiki Shirato (NTCIR, 2020)

AKBL at the NTCIR-16 QA Lab-PoliInfo-3 Task. - Ryoto Ohsugi; Teruya Kawai; Yuki Gato; Tomoyosi Akiba; Shigeru Masuyama (NTCIR, 2022)