Tokyo Metropolitan University Natural Language Processing Group Tokyo Metropolitan University Graduate School of System Design 6-6 Asahigaoka, Hino, Tokyo 191-0065, Japan Students' Room 5-205b (sub room) Google Map
3rd-year Ph.D Candidate
Research Interests
Artificial Intelligence, Natural Language Processing, Machine Translation, Linguistics
Programming Languages
Python, Bash, C, C++
Spoken Languages
Mandarin Chinese(Native), English, Cantonese, Japanese
2018/12/27 Give a talk entitled "Neural Machine Translation of Logographic Language Using Sub-character Level Information" at 第10回入力メソッドワークショップ (IM 2018)
2018/12/24 Give a talk entitled "Introduction to Neural Machine Translation and Its Recent Progress" at Chinese Association of Science and Technology in Japan. [News Article] [Slides]
Neural Machine Translation of Logographic Languages
Unsupervised Neural Machine Translation
RESEARCH PUBLICATIONS
Longtu Zhang and Mamoru Komachi (2019). Chinese-Japanese Unsupervised Neural Machine Translation Using Sub-character Level Information. In The 33rd Pacific Asia Conference on Language, Information and Computation (PACLIC 33) , Sep, 2019 [arXiv:1903.00149]
Yuting Zhao, Longtu Zhang and Mamoru Komachi (2019). Application of Unsupervised NMT Technique to Japanese-Chinese Machine Translation. In The 33rd Annual Conference of the Japanese Society for Artificial Intelligence, June 6, 2019 [paper, pdf]
Longtu Zhang and Yuting Zhao and Mamoru Komachi (2018). TMU Japanese-Chinese Unsupervised NMT System for WAT 2018 Translation Task. In The proceedings of The 5th Workshop on Asian Translation, HongKong, China. December 3, 2018 [proceedings]
Longtu Zhang and Mamoru Komachi (2018). Neural Machine Translation of Logographic Language Using Sub-character Level Information. In The proceedings of the Third Conference on Machine Translation, Brussels, Belgium. October 31 – November 1, 2018 (Acceptance rate 28.7%) [paper]
Longtu Zhang (2016). Short-long/Long-short Preferences in English/Japanese Processing Revisited. In Young Researchers Symposium on Natural Language Processing (YRSNLP) 2016, Osaka, Japan. December 10, 2016
Cheung, Lawrence Y. L. and Longtu Zhang. (2016) Determinants of the Synthetic–Analytic Variation Across English Comparatives and Superlatives. In English Language and Linguistics 20(3): 559-583. [paper, pdf]
Cheung, Lawrence Y. L. and Longtu Zhang. (2014) Inflectional/Periphrastic (I/P) Alternation of English Superlatives in Coordination. In Second Asia Pacific Corpus Linguistics Conference (APCLC 2014), PolyU, Hong Kong. March 6—8, 2014. [slides]
Cheung, Lawrence and Longtu Zhang. (2014) Inflectional/Periphrastic Alternation of English Comparatives in Coordination. In Linguistic Society of America (LSA) Annual Meeting 2014, Minneapolis, USA. January 2—6, 2014. [slides]
Cheung, Lawrence and Longtu Zhang. (2013) (Re)considering Determinants of the Inflectional/Periphrastic Alternation across English Comparatives and Superlatives. In The 5th International Conference on the Linguistics of Contemporary English (ICLCE 5), University of Texas, Austin, September 25—29, 2013. [slides]
WORKING EXPERIENCES
Volunteer @ Main Press Conference Rooms (MPC), Main Press Center, Beijing 2008 Olympics | Beijing, China | 2008
Research Assistant @ Department of Linguistic and Modern Languages, the Chinese University of Hong Kong | Hongkong, China | 2012-2014