Atsushi Keyaki

According to our database, Atsushi Keyaki authored at least 27 papers between 2010 and 2024.

Collaborative distances:

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

2024

Stance prediction with a relevance attribute to political issues in comparing the opinions of citizens and city councilors.

Ko Senoo, Yohei Seki, Wakako Kashino, Atsushi Keyaki, Noriko Kando

Int. J. Digit. Libr., March, 2024

Coarse-Tuning for Ad-hoc Document Retrieval Using Pre-trained Language Models.

Atsushi Keyaki, Ribeka Keyaki

CoRR, 2024

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

2019

Accurate Aggregation Query-Result Estimation and Its Efficient Processing on Distributed Key-Value Store.

Kosuke Yuki, Atsushi Keyaki, Jun Miyazaki, Masahide Nakamura

Proceedings of the Big Data Analytics and Knowledge Discovery, 2019

2018

A Contextual Random Walk Model for Automated Playlist Generation.

Seiji Ueda, Atsushi Keyaki, Jun Miyazaki

Proceedings of the 2018 IEEE/WIC/ACM International Conference on Web Intelligence, 2018

Efficient Aggregation Query Processing for Large-Scale Multidimensional Data by Combining RDB and KVS.

Yuya Watari, Atsushi Keyaki, Jun Miyazaki, Masahide Nakamura

Proceedings of the Database and Expert Systems Applications, 2018

Analysis of Relevant Text Fragments for Different Search Task Types.

Atsushi Keyaki, Jun Miyazaki

Proceedings of the Information Retrieval Technology, 2018

2017

Effective Mobile Search Using Element-based Retrieval.

Atsushi Keyaki, Jun Miyazaki, Kenji Hatano

J. Inf. Process., 2017

Part-of-speech tagging for web search queries using a large-scale web corpus.

Atsushi Keyaki, Jun Miyazaki

Proceedings of the Symposium on Applied Computing, 2017

A Case for Term Weighting Using a Dictionary on GPUs.

Toshiaki Wakatsuki, Atsushi Keyaki, Jun Miyazaki

Proceedings of the Database and Expert Systems Applications, 2017

Skyline-Based Recommendation Considering User Preferences.

Shuhei Kishida, Seiji Ueda, Atsushi Keyaki, Jun Miyazaki

Proceedings of the Web and Big Data - First International Joint Conference, 2017

2016

NEXTI at NTCIR-12 IMine-2 Task.

Hidetsugu Nanba, Tetsuya Sakai, Noriko Kando, Atsushi Keyaki, Koji Eguchi, Kenji Hatano, Toshiyuki Shimizu, Yu Hirate, Atsushi Fujii

Proceedings of the 12th NTCIR Conference on Evaluation of Information Access Technologies, 2016

Element-based Retrieval@MobileClick-2.

Atsushi Keyaki, Jun Miyazaki, Kenji Hatano

Proceedings of the 12th NTCIR Conference on Evaluation of Information Access Technologies, 2016

A new readability measure for web documents and its evaluation on an effective web search engine.

Yume Sasaki, Takuya Komatsuda, Atsushi Keyaki, Jun Miyazaki

Proceedings of the 18th International Conference on Information Integration and Web-based Applications and Services, 2016

A Score Fusion Method Using a Mixture Copula.

Takuya Komatsuda, Atsushi Keyaki, Jun Miyazaki

Proceedings of the Database and Expert Systems Applications, 2016

2014

An Expansion Method of XML Element Retrieval Techniques into Web Documents.

Atsushi Keyaki, Jun Miyazaki, Kenji Hatano

Proceedings of the IIAI 3rd International Conference on Advanced Applied Informatics, 2014

2013

Fast incremental indexing with effective and efficient searching in XML element retrieval.

Atsushi Keyaki, Jun Miyazaki, Kenji Hatano, Goshiro Yamamoto, Takafumi Taketomi, Hirokazu Kato

Int. J. Web Inf. Syst., 2013

XML Element Retrieval@1CLICK-2.

Atsushi Keyaki, Jun Miyazaki, Kenji Hatano, Goshiro Yamamoto, Takafumi Taketomi, Hirokazu Kato

Proceedings of the 10th NTCIR Conference on Evaluation of Information Access Technologies, 2013

Path Expression-based Smoothing of Query Likelihood Model for XML Element Retrieval.

Atsushi Keyaki, Jun Miyazaki, Kenji Hatano, Goshiro Yamamoto, Takafumi Taketomi, Hirokazu Kato

Proceedings of the 2013 Second IIAI International Conference on Advanced Applied Informatics, 2013

2012

Fast and incremental indexing in effective and efficient XML element retrieval systems.

Atsushi Keyaki, Jun Miyazaki, Kenji Hatano, Goshiro Yamamoto, Takafumi Taketomi, Hirokazu Kato

Proceedings of the 14th International Conference on Information Integration and Web-based Applications & Services, IIWAS '12, Bali, Indonesia, 2012

2011

Result-reconstruction method to return useful XML elements.

Atsushi Keyaki, Kenji Hatano, Jun Miyazaki

Int. J. Web Inf. Syst., 2011

2010

A Query-oriented XML Fragment Search Approach on A Relational Database System.

Atsushi Keyaki, Kenji Hatano, Jun Miyazaki

J. Digit. Inf. Manag., 2010

Relaxed Global Term Weights for XML Element Search.

Atsushi Keyaki, Kenji Hatano, Jun Miyazaki

Proceedings of the Comparative Evaluation of Focused Retrieval, 2010

Result reconstruction approach for more effective XML fragment search.

Atsushi Keyaki, Kenji Hatano, Jun Miyazaki

Proceedings of the iiWAS'2010, 2010