1 code implementation • 12 Jan 2023 • Ryota Tanaka, Kyosuke Nishida, Kosuke Nishida, Taku Hasegawa, Itsumi Saito, Kuniko Saito
Visual question answering on document images that contain textual, visual, and layout information, called document VQA, has received much attention recently.
no code implementations • 17 Nov 2021 • Kosuke Nishida, Kyosuke Nishida, Itsumi Saito, Sen Yoshida
In this study, we define an interpretable reading comprehension (IRC) model as a pipeline model with the capability of predicting unanswerable queries.
no code implementations • 29 Mar 2020 • Itsumi Saito, Kyosuke Nishida, Kosuke Nishida, Junji Tomita
Experimental results showed that most of the combination models outperformed a simple fine-tuned seq-to-seq model on both the CNN/DM and XSum datasets even if the seq-to-seq model is pre-trained on large-scale corpora.
no code implementations • 21 Jan 2020 • Itsumi Saito, Kyosuke Nishida, Kosuke Nishida, Atsushi Otsuka, Hisako Asano, Junji Tomita, Hiroyuki Shindo, Yuji Matsumoto
Unlike the previous models, our length-controllable abstractive summarization model incorporates a word-level extractive module in the encoder-decoder model instead of length embeddings.
no code implementations • LREC 2020 • Kosuke Nishida, Kyosuke Nishida, Itsumi Saito, Hisako Asano, Junji Tomita
The second one is the proposed model that uses a multi-task learning approach of LM and RC.
no code implementations • WS 2019 • Yasuhito Ohsugi, Itsumi Saito, Kyosuke Nishida, Hisako Asano, Junji Tomita
Conversational machine comprehension (CMC) requires understanding the context of multi-turn dialogue.
no code implementations • ACL 2019 • Kosuke Nishida, Kyosuke Nishida, Masaaki Nagata, Atsushi Otsuka, Itsumi Saito, Hisako Asano, Junji Tomita
It enables QFE to consider the dependency among the evidence sentences and cover important information in the question sentence.
Ranked #61 on Question Answering on HotpotQA
no code implementations • ACL 2019 • Kyosuke Nishida, Itsumi Saito, Kosuke Nishida, Kazutoshi Shinoda, Atsushi Otsuka, Hisako Asano, Junji Tomita
Second, whereas previous studies built a specific model for each answer style because of the difficulty of acquiring one general model, our approach learns multi-style answers within a model to improve the NLG capability for all styles involved.
Ranked #1 on Question Answering on MS MARCO
no code implementations • CONLL 2018 • Itsumi Saito, Kyosuke Nishida, Hisako Asano, Junji Tomita
To improve the accuracy of CKB completion and expand the size of CKBs, we formulate a new commonsense knowledge base generation task (CKB generation) and propose a joint learning method that incorporates both CKB completion and CKB generation.
no code implementations • 31 Aug 2018 • Kyosuke Nishida, Itsumi Saito, Atsushi Otsuka, Hisako Asano, Junji Tomita
Previous MRS studies, in which the IR component was trained without considering answer spans, struggled to accurately find a small number of relevant passages from a large set of passages.
no code implementations • IJCNLP 2017 • Itsumi Saito, Jun Suzuki, Kyosuke Nishida, Kugatsu Sadamitsu, Satoshi Kobashikawa, Ryo Masumura, Yuji Matsumoto, Junji Tomita
In this study, we investigated the effectiveness of augmented data for encoder-decoder-based neural normalization models.
no code implementations • IJCNLP 2017 • Itsumi Saito, Kyosuke Nishida, Kugatsu Sadamitsu, Kuniko Saito, Junji Tomita
Social media texts, such as tweets from Twitter, contain many types of non-standard tokens, and the number of normalization approaches for handling such noisy text has been increasing.
no code implementations • LREC 2016 • Kugatsu Sadamitsu, Itsumi Saito, Taichi Katayama, Hisako Asano, Yoshihiro Matsuo
We propose named entity abstraction methods with fine-grained named entity labels for improving statistical machine translation (SMT).