A voice source model for synthesizing speech with various voice quality variations. - Hideki Kasuya; Yuji Ando; Jinlin Lu; Osamu Komuro (ICSLP, 1990)

High Power GaN-FET Amplifier with Reduced Memory Effects for W-CDMA Base Stations. - Akio Wakejima; Kohji Matsunaga; Yuji Ando; Tatsuo Nakayama; Yasuhiro Okamoto; Kazuki Ota; Naotaka Kuroda; Masahiro Tanomura; Hironobu Miyamoto (IEICE Trans. Electron., 2007)

Learning Word Meanings and Grammar for Describing Everyday Activities in Smart Environments. - Muhammad Attamimi; Yuji Ando; Tomoaki Nakamura; Takayuki Nagai; Daichi Mochihashi; Ichiro Kobayashi; Hideki Asoh (EMNLP, 2015)

Learning word meanings and grammar for verbalization of daily life activities using multilayered multimodal latent Dirichlet allocation and Bayesian hidden Markov models. - Muhammad Attamimi; Yuji Ando; Tomoaki Nakamura; Takayuki Nagai; Daichi Mochihashi; Ichiro Kobayashi; Hideki Asoh (Adv. Robotics, 2016)

Format-Aware Item Response Theory for Predicting Vocabulary Proficiency. - Boxuan Ma; Gayan Prasad Hettiarachchi; Yuji Ando (EDM, 2022)

Exploring the effectiveness of Vocabulary Proficiency Diagnosis Using Linguistic Concept and Skill Modeling. - Boxuan Ma; Gayan Prasad Hettiarachchi; Sora Fukui; Yuji Ando (EDM, 2023)

Each Encounter Counts: Modeling Language Learning and Forgetting. - Boxuan Ma; Gayan Prasad Hettiarachchi; Sora Fukui; Yuji Ando (LAK, 2023)

Personalized Language Learning Using Spaced Repetition Scheduling. - Boxuan Ma; Sora Fukui; Yuji Ando; Shin'ichi Konomi (AIED (4), 2025)