| Name | Xianchao WU |
| Degree | Ph.D. (March 2010. Computer Science in The University of Tokyo) |
| Research | Statistical Machine Translation (SMT), Deep syntax-based SMT, Semi-supervised Learning |
| Publications | see blow |
| (X=wu and Y=xianchao) for XY AT gMAILDOTcom, My NTT mail-box will NOT be available from April, 1st, 2012 | |
| System | check my Akamon SMT system |
| Position | Research Associate (RA, or post doctoral fellow, from 2011.04.01 to 2012.03.31) in NTT CS Lab. |
| Old Link | Check my old homepage in Tsujii Lab. |
Self-Introduction
- I am interested in deep syntax-based SMT, such as tree/forest-to-string and string-to-tree/dependency systems. Specially, I am interested in all kinds of SMT decoders, such as phrasal/hierarchical-based, tree/forest/dependency-based, etc.
- 2012.04.01-future senior NLP R&D, Baidu (Japan).
- 2011.04.01-2012.03.31 Research Associate, NTT Communication Science Laboratories.
- 2010.04-2011.03 Researcher, Tsujii Lab. in The University of Tokyo.
- 2007.04-2010.03 The University of Tokyo. Ph.D. course.
- 2006.04-2007.03 Waseda University, Research Student.
- 2004.09-2006.03 Jilin University, Ph.D. course (dropout)
- 2001.09-2004.06 Jilin University, MS.
- 1997.09-2001.06 Jilin University (Class of Gifted Young) BA. in Changchun, China.
Current Events
- 2011.12.07~09 I went to NII in Tokyo to attend NTCIR-9 2011.
- 2011.11.07~15 I went to Chiang Mai (Thailand) to attend IJCNLP 2011.
- 2011.09.19~25 I went to Xiamen (China) to attend MT summit 2011 and CWMT 2011, two talks.
- 2011.09.19 I visited Microsoft Research Asia (Beijing) and gave a talk.
- 2011.06.19~24 I went to Portland (US) to attend the ACL-HLT 2011 conference and gave a 25-minute presentation.
- 2011.03.07~10 I went to Toyohashi to attend the (Japan) Natural Language Processing conference and gave a presentation.
- 2010.11.05~07 I attended a Chinese-Japanese NLP meeting held in Suzhou University.
- 2010.07.10~17 I attended the ACL 2010 conference held in Uppsala, Sweden and gave a 25-minute talk.
- 2010.03.11 I gave a talk at the (Japan) Natural Language Processing conference held in The University of Tokyo.
- 2010.02.01 I passed the final Ph.D. thesis defense.
- 2009.12.15 I submitted my Ph.D. thesis!
- 2009.12.1-2 I attended the IWSLT 2009 held in Tokyo.
- 2009.06.15-11.28 Internship in MSRA, NLC, under Mentor Mu Li.
- 2009.10.07 Passed middle-time presentation of my Ph.D. dissertation.
- 2009.06.01-03 I gave a talk at HLT-NAACL 2009 held in Colorado.
Publications
2012
- Learning to Translate with Multiple Objectives
- Kevin Duh, Katsuhito Sudoh, Xianchao Wu, Hajime Tsukada, and Masaaki Nagata. In Proceedings of ACL 2012 (to appear).
- An Improvement to the Predicate-Argument Structure Based Pre-ordering Approach for Statistical Machine Translation
- Xianchao Wu, Katsuhito Sudoh, Kevin Duh, Hajime Tsukada, and Masaaki Nagata. In Proceedings of Japan NLP 2012. March, 2011. Hiroshima, Japan.
- Syntactic Based Reordering Rules for Chinese-to-Japanese Machine Translation
- Dan Han, Katsuhito Sudoh, Xianchao Wu, Kevin Duh, Hajime Tsukada, and Masaaki Nagata. In Proceedings of Japan NLP 2012. March, 2011. Hiroshima, Japan.
2011
- SMT Systems in the University of Tokyo for NTCIR-9 PatentMT
- Xianchao Wu, Takuya Matsuzaki and Jun'ichi Tsujii. In Proceedings of NTCIR-9. December, 2011. Tokyo, Japan. <PDF>
- NTT-UT Statistical Machine Translation in NTCIR-9 PatentMT
- Katsuhito Sudoh, Kevin Duh, Hajime Tsukada, Masaaki Nagata, Xianchao Wu, Takuya Matsuzaki and Jun'ichi Tsujii. In Proceedings of NTCIR-9. December, 2011. Tokyo, Japan.1st-rank in E2J (first time better than rule-based translation systems) and 1st-rank in J2E SMT systems<PDF>
- Statistical Machine Translation Using Large-Scale Lexicon and Deep Syntactic Structures
- Xianchao Wu. In Quick Report on Doctoral Theses Recommended by IPSG SIGs. Journal of Information Processing. 52(10).
- Technical Report of NTT for the 7th China Workshop on Machine Translation
- Xianchao Wu, Katsuhito Sudoh, Kevin Duh, Hajime Tsukada and Masaaki Nagata. 2011. In Proceedings of 7th China Workshop on Machine Translation. <PDF>
- Extracting Pre-ordering Rules from Chunk-based Dependency Trees for Japanese-to-English Translation
- Xianchao Wu, Katsuhito Sudoh, Kevin Duh, Hajime Tsukada and Masaaki Nagata. 2011. In Proceedings of MT summit 2011< PDF >
- Post-ordering in Statistical Machine Translation
- Katsuhito Sudoh, Xianchao Wu, Katsuhito Sudoh, Kevin Duh, Hajime Tsukada and Masaaki Nagata. 2011. In Proceedings of MT summit 2011<PDF>
- Extracting Pre-ordering Rules from Predicate-Argument Structures
- Xianchao Wu, Katsuhito Sudoh, Kevin Duh, Hajime Tsukada and Masaaki Nagata. 2011. In Proceedings of IJCNLP 2011 <PDF> Finalist of Best Paper Award
- Generalized Minimum Bayes Risk System Combination
- Kevin Duh, Katsuhito Sudoh, Xianchao Wu, Hajime Tsukada and Masaaki Nagata. 2011. In Proceedings of IJCNLP 2011 <PDF>
- A Multi-Objective Approach Based on Genetic Algorithm for Multi-Model Line Operation Planning Considering Difference in Worker Ability
- Jiahua Weng, Xianchao Wu, Hisashi Onari. 2011. In Proceedings of 21st International Conference on Production Research. Stuttgart, Germany
- Effective Use of Function Words for Rule Generalization in Forest-Based Translation
- Xianchao Wu, Takuya Matsuzaki, and Jun'ichi Tsujii. 2011. In Proceedings of ACL-HLT 2011 <PDF>
- A Term Translation System Using Hierarchical Phrases and Morphemes
- Xianchao Wu and Jun'ichi Tsujii. 2011. In Proceedings of Japan NLP 2011. <PDF>
2010
- Fine-grained Tree-to-String Translation Rule Extraction
- Improve Syntax-based Translation with Deep Syntactic Structures
- Xianchao Wu, Takuya Matsuzaki, and Jun'ichi Tsujii. 2010. Machine Translation, Volume 24, Number 2, 141-157. DOI: 10.1007/s10590-010-9081-6 <Draft>
- Statistical Machine Translation Using Large-Scale Lexicon and Deep Syntactic Structures <PDF> <bib>
- Xianchao Wu (PhD thesis draft, all rights reserved)
- Deep Syntactic Structures for String-to-Tree Translation (Revised) <PDF> <bib>
- Xianchao Wu and Jun'ichi Tsujii. 2010. In Proc. of Japan NLP.
2009
- The UOT System: Improve String-to-Tree Translation Using Head-Driven Phrasal Structure Grammar and Predicate-Argument Structures <PDF> <bib>
- Xianchao Wu, Takuya Matsuzaki, Naoaki Okazaki, Yusuke Miyao, and Jun'ichi Tsujii. 2009. In Proceedings of IWSLT 2009, pages 99-106, Tokyo, Japan.
- Semi-Supervised Lexicon Mining from Parenthetical Expressions in Monolingual Web Pages <PDF> <bib>
- Xianchao Wu, Naoaki Okazaki, and Jun'ichi Tsujii. In Processings of NAACL-HLT 2009, 9 pages.
- Self-training for mining parenthetical translations in monolingual web pages <bib>
- Xianchao Wu, Naoaki Okazaki, and Jun'ichi Tsujii. In Proceedings of Japan NLP 2009, 4 pages.
2008
- Improving English-to-Chinese Translation for Technical Terms Using Morphological Information <PDF> <bib>
- Xianchao Wu, Naoaki Okazaki, Takashi Tsunakawa and Jun'ichi Tsujii. In Proceedings of AMTA 2008, 10 pages.
2006
- Research on configuration & integration based on generic product structure (in Chinese) <PDF> <bib>
- Xianchao Wu, Xiaofeng Lv, and Jigui Sun. Computer Integrated Manufacturing Systems (2006). 12(6):868-875.
Professional Highlights
Unpublished Papers
ALBP (Assembly Line Balancing Problems)
- An integrated approach based on GA for multi-model assembly line balancing problem considering workers' ability differences (in Chinese). 2007. Technical report. PDF.
- A multi-objective approach based on GA for multi-model assembly
line balancing problem considering operators' ability differences (in
Chinese). 2007. Technical report. PDF.
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An English version has been published in ICPR 2011.