Yuki Arase

Yuki Arase Yuki Arase is an associate professor at the graduate school of information science and technology, Osaka University, Japan. She was previously an associate researcher at the natural language computing group of Microsoft Research Asia. Her primary research interest is in English/Japanese machine translation, paraphrasing, conversation systems, and educational applications for language learners. She earned her Ph. D. of Information Science at Osaka University in 2010 for research on presenting a large amount of information on small screens.

She enjoys yoga practice, always traveling with her yoga mat in her luggage trolley.

(Last update: 2017/7/17)

E-mail arase at ist.osaka-u.ac.jp


Our paper has been accepted to EMNLP2017.
Yuki Arase and Jun'ichi Tsujii: Monolingual Phrase Alignment on Parse Forests, Proc. of Conference on Empirical Methods in Natural Language Processing (EMNLP2017 to appear).


We are working on research projects including:

Selected Publications

The list of all publications is available here.

International Conferences

  1. M. Yoshida, Y. Arase, T. Tsunoda, M. Yamamoto: Wikipedia Page View Reflects Web Search Trend, Proc. of ACM Web Science conference (WebSci15, poster), Article No. 65 (June-July 2015). Paper, Dataset
  2. C. Ding and Y. Arase: Dependency Tree Abstraction for Long-distance Reordering in Statistical Machine Translation, Proc. of Conference of the European Chapter of the Association for Computational Linguistics (EACL 2014), pp. 424-433 (Apr. 2014).
  3. K. Sakaguchi, Y. Arase, and M. Komachi: Discriminative Approach to Fill-in-the-blank Quiz Generation for Language Learners, Proc. of Annual Meeting of the Association for Computational Linguistics (ACL 2013), pp. 238-242 (Aug. 2013).
  4. Y. Arase and M. Zhou: Machine Translation Detection from Monolingual Web-text, Proc. of Annual Meeting of the Association for Computational Linguistics (ACL 2013), pp. 1597-1607 (Aug. 2013).
  5. M. Yoshida and Y. Arase: Exploiting Twitter for Spiking Query Classification, Proc. of Asia Information Retrieval Societies Conference (AIRS 2012), pp. 138-149 (Dec. 2012).
  6. M. Iwata, Y. Arase, T. Hara, and S. Nishio: A Children-oriented Re-ranking Method for Web Search Engines, Proc. of International Conference on Web Information System Engineering (WISE 2010), pp. 225-239 (Dec. 2010).
  7. Y. Arase, X. Xie, T. Hara, and S. Nishio: Mining People’s Trips from Large Scale Geo-tagged Photos, Proc. of ACM International Conference on Multimedia (ACM MM 2010), pp. 133-142 (Oct. 2010).
  8. Y. Arase, X. Xie, M. Duan, T. Hara, and S. Nishio: A Game based Approach to Assign Geographical Relevance to Web Images, Proc. of International World Wide Web Conference (WWW 2009), pp. 811-820 (Apr. 2009).
  9. Y. Arase, T. Hara, T. Uemukai, and S. Nishio: OPA Browser: A Web Browser for Cellular Phone Users, Proc. of ACM Symposium on User Interface Software and Technology (UIST 2007), pp. 71-80 (Oct. 2007).


  1. M. Yoshida and Y. Arase: Trend Query Analysis on Heterogeneous Web Resources, IPSJ Transactions on Databases, Vol. 9, No. 1, pp. 20-30 (Mar. 2016, in Japanese). Dataset.
  2. K. Yamamoto, N. Inoue, K. Inui, Y. Arase, and J. Tsujii: Boosting the Efficiency of First-order Abductive Reasoning Using Pre-estimated Relatedness between Predicates, International Journal of Machine Learning and Computing, Vol. 5, No. 2, pp. 114-120 (Apr. 2015).
  3. Mitsuo Yoshida and Yuki Arase: Trend Query Classification using Label Propagation, Transactions of the Japanese Society for Artificial Intelligence, Vo. 30, No. 1, pp. 161-171 (Jan. 2015).
  4. Y. Arase, T. Hara, D. Komaki, and S. Nishio: Mobile Search Assistance from HCI Aspect, International Journal of Space-based and Situated Computing (IJSSC), Vol. 1, No. 1, pp. 18-29 (Apr. 2011).
  5. Y. Arase, T. Hara, T. Uemukai, and S. Nishio: Annotation and Auto-scrolling for Web Page Overview in Mobile Web Browsing, International Journal of Handheld Computing Research (IJHCR), Vol. 1 No. 4, pp. 63-80 (Oct. 2010).
  6. Y. Arase, T. Maekawa, T. Hara, T. Uemukai, and S. Nishio: A Web Browsing System for Cellular Phone Users based on Adaptive Presentation, Universal Access in the Information Society (UAIS), Vol. 6, No. 3, pp. 259-271 (Nov. 2007).


  1. Y. Arase, Y. Zhu, and X. Xie: Identifying Status based on Heterogeneous Sensors, U.S. Patent 8718672, 10-18-2012
  2. Y. Arase and X. Xie: Construction of Photo Trip Patterns based on Geographical Information, U.S. Patent 8626699, 3-17-2011.


  1. Mar. 2007 Award of the Graduate School of Information Science and Technology of Osaka University
  2. July 2009 International Workshop with Mentors on Databases, Web and Information Management for Young Researchers Distinguished Young Researcher Award
  3. Nov. 2010 International Conference on Ambient Systems, Networks and Technologies (ANT 2010) Best Paper Award
  4. Nov. 2010 Graduate School of Engineering Sciences, Osaka University Kasami Award

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