NUL System at NTCIR RITE-VAL Tasks. - Ai Ishii; Hiroshi Miyashita; Mio Kobayashi; Chikara Hoshino (NTCIR, 2014)

NUL System at QALab Tasks. - Hiroshi Miyashita; Ai Ishii; Mio Kobayashi; Chikara Hoshino (NTCIR, 2014)

NUL System at QA Lab-2 Task. - Mio Kobayashi; Hiroshi Miyashita; Ai Ishii; Chikara Hoshino (NTCIR, 2016)

Automated Historical Fact-Checking by Passage Retrieval, Word Statistics, and Virtual Question-Answering. - Mio Kobayashi; Ai Ishii; Chikara Hoshino; Hiroshi Miyashita; Takuya Matsuzaki (IJCNLP(1), 2017)

JEMHopQA: Dataset for Japanese Explainable Multi-Hop Question Answering. - Ai Ishii; Naoya Inoue; Hisami Suzuki; Satoshi Sekine (LREC/COLING, 2024)