1 code implementation • ACL 2019 • Motoki Sato, Jun Suzuki, Shun Kiyono
A regularization technique based on adversarial perturbation, which was initially developed in the field of image processing, has been successfully applied to text classification tasks and has yielded attractive improvements.
1 code implementation • COLING 2018 • Motoki Sato, Hiroki Ouch, Yuta Tsuboi
In this task, a conversational system predicts an appropriate addressee and response for an input message in multiple languages.
2 code implementations • 8 May 2018 • Motoki Sato, Jun Suzuki, Hiroyuki Shindo, Yuji Matsumoto
This paper restores interpretability to such methods by restricting the directions of perturbations toward the existing words in the input embedding space.
no code implementations • IJCNLP 2017 • Motoki Sato, Hiroyuki Shindo, Ikuya Yamada, Yuji Matsumoto
We present Segment-level Neural CRF, which combines neural networks with a linear chain CRF for segment-level sequence modeling tasks such as named entity recognition (NER) and syntactic chunking.
no code implementations • CONLL 2017 • Motoki Sato, Hitoshi Manabe, Hiroshi Noji, Yuji Matsumoto
We describe our submission to the CoNLL 2017 shared task, which exploits the shared common knowledge of a language across different domains via a domain adaptation technique.
no code implementations • EACL 2017 • Motoki Sato, Austin J. Brockmeier, Georgios Kontonatsios, Tingting Mu, John Y. Goulermas, Jun{'}ichi Tsujii, Sophia Ananiadou
Descriptive document clustering aims to automatically discover groups of semantically related documents and to assign a meaningful label to characterise the content of each cluster.
1 code implementation • 15 Mar 2017 • Ikuya Yamada, Motoki Sato, Hiroyuki Shindo
This paper describes our approach for the triple scoring task at the WSDM Cup 2017.