SLSTC at the NTCIR-12 STC Task. - Hiroto Denawa; Tomoaki Sano; Yuta Kadotami; Sosuke Kato; Tetsuya Sakai (NTCIR, 2016)

LSTM vs. BM25 for Open-domain QA: A Hands-on Comparison of Effectiveness and Efficiency. - Sosuke Kato; Riku Togashi; Hideyuki Maeda; Sumio Fujita; Tetsuya Sakai (SIGIR, 2017)

Classifying Community QA Questions That Contain an Image. - Kenta Tamaki; Riku Togashi; Sosuke Kato; Sumio Fujita; Hideyuki Maeda; Tetsuya Sakai (ICTIR, 2018)

Unsupervised Answer Retrieval with Data Fusion for Community Question Answering. - Sosuke Kato; Toru Shimizu; Sumio Fujita; Tetsuya Sakai (AIRS, 2019)

RSL19BD at DBDC4: Ensemble of Decision Tree-Based and LSTM-Based Models. - Chih-Hao Wang; Sosuke Kato; Tetsuya Sakai (IWSDS, 2019)

SLSTC at the NTCIR-14 STC-3 Dialogue Quality and Nugget Detection Subtasks. - Sosuke Kato; Rikiya Suzuki; Zhaohao Zeng; Tetsuya Sakai (NTCIR, 2019)

Overview of the NTCIR-14 Short Text Conversation Task: Dialogue Quality and Nugget Detection Subtasks. - Zhaohao Zeng; Sosuke Kato; Tetsuya Sakai (NTCIR, 2019)

RSLNV at the NTCIR-15 Dialogue Evaluation (DialEval-1) Task. - Ting Cao; Fan Zhang 053; Haoxiang Shi; Zhaohao Zeng; Sosuke Kato; Tetsuya Sakai; Injae Lee; Kyungduk Kim; Inho Kang (NTCIR, 2020)

Overview of the NTCIR-15 Dialogue Evaluation (DialEval-1) Task. - Zhaohao Zeng; Sosuke Kato; Tetsuya Sakai; Inho Kang (NTCIR, 2020)