InteLLA: Intelligent Language Learning Assistant for Assessing Language Proficiency through Interviews and Roleplays. - Mao Saeki; Hiroaki Takatsu; Fuma Kurata; Shungo Suzuki; Masaki Eguchi; Ryuki Matsuura; Kotaro Takizawa; Sadahiro Yoshikawa; Yoichi Matsuyama (SIGDIAL, 2024)