Kei Uchiumi

According to our database, Kei Uchiumi authored at least 9 papers between 2009 and 2022.

Collaborative distances:

• Dijkstra number of five.
• Erdős number of four.

2022

Recurrent Neural Hidden Markov Model for High-order Transition.

Tatsuya Hiraoka, Sho Takase, Kei Uchiumi, Atsushi Keyaki, Naoaki Okazaki

ACM Trans. Asian Low Resour. Lang. Inf. Process., 2022

Word-level Perturbation Considering Word Length and Compositional Subwords.

Tatsuya Hiraoka, Sho Takase, Kei Uchiumi, Atsushi Keyaki, Naoaki Okazaki

Proceedings of the Findings of the Association for Computational Linguistics: ACL 2022, 2022

2021

Joint Optimization of Tokenization and Downstream Model.

Tatsuya Hiraoka, Sho Takase, Kei Uchiumi, Atsushi Keyaki, Naoaki Okazaki

Proceedings of the Findings of the Association for Computational Linguistics: ACL/IJCNLP 2021, 2021

2020

Optimizing Word Segmentation for Downstream Task.

Tatsuya Hiraoka, Sho Takase, Kei Uchiumi, Atsushi Keyaki, Naoaki Okazaki

Proceedings of the Findings of the Association for Computational Linguistics: EMNLP 2020, 2020

How LSTM Encodes Syntax: Exploring Context Vectors and Semi-Quantization on Natural Text.

Chihiro Shibata, Kei Uchiumi, Daichi Mochihashi

Proceedings of the 28th International Conference on Computational Linguistics, 2020

2015

System Utterance Generation by Label Propagation over Association Graph of Words and Utterance Patterns for Open-Domain Dialogue Systems.

Hiroshi Tsukahara, Kei Uchiumi

Proceedings of the 29th Pacific Asia Conference on Language, Information and Computation, 2015

Inducing Word and Part-of-Speech with Pitman-Yor Hidden Semi-Markov Models.

Kei Uchiumi, Hiroshi Tsukahara, Daichi Mochihashi

Proceedings of the 53rd Annual Meeting of the Association for Computational Linguistics and the 7th International Joint Conference on Natural Language Processing of the Asian Federation of Natural Language Processing, 2015

2011

Japanese Abbreviation Expansion with Query and Clickthrough Logs.

Kei Uchiumi, Mamoru Komachi, Keigo Machinaga, Toshiyuki Maezawa, Toshinori Satou, Yoshinori Kobayashi

Proceedings of the Fifth International Joint Conference on Natural Language Processing, 2011

2009

Learning Semantic Categories from Clickthrough Logs.

Mamoru Komachi, Shimpei Makimoto, Kei Uchiumi, Manabu Sassano

Proceedings of the ACL 2009, 2009