XU Ruifeng
Address:
Room C302, Harbin Institute of Technology Shenzhen Graduate School, Shenzhen City (518055)
Email:
xuruifeng@hit.edu.cn
Phone:
86-755-26033283
86-755-26033283(Fax)
PERSONAL PROFILE
 
RESEARCH INTEREST
 
Natural Language Processing
EDUCATION  
2002.07-2006.01
Ph.D. Degree conferred by The Hong Kong Polytechnic University, Hong Kong.
1998.11-2001.06
M.PHIL. Degree conferred by The Hong Kong Polytechnic University, Hong Kong.
1991.09-1995.07
B.ENG. Degree in Computer Science conferred by Harbin Institute of Technology, Harbin, China.
RESEARCH & WORK EXPERIENCE  
2009.11-
Associate Professor, at College of Computer Science and Technology, Harbin Institute of Technology Shenzhen Graduate School, Shenzhen, China.
2008.10-2010.10
Research Fellow, at Department of Chinese, Translation and Linguistics, City University of Hong Kong
2008.04-2008.10
Research Associate, at Department of Systems Engineering and Engineering Management, Chinese University of Hong Kong, Hong Kong
2006.10-2008.03
Research Associate, at Department of Computing, The Hong Kong Polytechnic University, Hong Kong.
2006.01-2006.09
Postdoctoral Fellow, at Department of Systems Engineering and Engineering Management, The Chinese University of Hong Kong.
2001.01-2002.07
Senior Software Engineer, at ShenZhen Tech-Innovation International, Shenzhen, China.
1997.11-1998.10
Project Assistant, at Department of Computing, The Hong Kong Polytechnic University, Hong Kong.
1995.07-1997.11
Research Assistant, at Department of Computer Science and Engineering, Harbin Institute of Technology, Harbin, China
PROFESSIONAL QUALIFICATION & ACADEMIC SERVICE
 
2009
Academic Secretary of the IEEE association of SMC Shenzhen Branch
2010
Academic Secretary and vice-chairman of YOCSEF, China Computer Federation, Shenzhen Sub-Forum.
2012
Member of Social Media Computing Committiee in Asia Nature Language Processing Committee
2012
Chairman of Weibo evaluation Committee in NLPCC2012
2013
Chairman of Weibo evaluation Committee in NLPCC2013
RESEARCH PROJECTS
2011-2012
Cross-lingual Sentiment Analysis Technique based on Linguish-free Framework and Transfer Learning, Scientific Innovation Foundation of Harbin Institute of Technology
2011-2012
Sentiment Analysis and Early Warning Software face to Emergency on Internet, Lateral Research
2012
Key Technique Research on New-Media Intelligent Analysis, Sub-Research of ZTE
2012
Development of Fine-Grained Annotation Sentiment Corpus, Cooperation Project of NNSFC
2012-2013
Devolopment of Information Pushing Software based on User Generated Content Analysis, Lateral Research
2013-2014
Research on Text Emotion Analysis and Prediction face to Social Media, Foundation Research Project of Shenzhen City
2013-2014
Intelligent Financial Information Service System based on Web Mining, Inernational Cooperation Programme of Shenzhen City
2013-2014
Key Technique Research in Cross-lingual Sentiment Polarity Analysis, Open Foundation of National Key Laboratory
2013-2014
Key Technique Research on Text Emotion Automatic Classification, Attribution and Prediction, Specialized Research Fund for the Doctoral Program of Higher Education, No. 20122302120070
RESEARCH ACHIEVEMENT & AWARDS
2001
Handheld Digital Camera English-Chinese Dictionary, The second award of science and technology advance honored by the Education Department of Heilongjiang Province
2013
Social Sentiment Mining Platform, Best Youth Science and Technology Award of CAAI
2013
Opinion Mining Platform, Best Cooperation Aword of Hong Kong ICT Award
PATENT
   
PAPER & BOOK PUBLICATIONS
Books

Kam-Fai Wong, Wenjie Li, Ruifeng Xu and Graeme Hirst, Introduction to Chinese Natural Language Processing (Synthesis Lectures on Human Language Technologies), Morgan & Claypool Publishers, U.S.A., 2009. Series ISSN: 1947-4040 (Chapter 6-8)

Journal Papers

Ruifeng Xu, Lin Gui, Jun Xu, Qin Lu and Kam-Fai Wong. Cross Lingual Opinion Holder Extraction based on Multiple Kernel SVMs and Transfer Learning. To appear in International Journal of World Wide Web, vol.16, 2013.(SCI)

Ruifeng Xu, Lu Ye and Jun Xu. Reader’s Emotion Prediction Based on Weighted Latent Dirichlet Allocation and Multi-Label k-Nearest Neighbor Model. Journal of Computational Information Systems, vol. 9, no.6, 2013. (EI)

Lin Gui, Ruifeng Xu*, Jun Xu and Chengxiang Liu. A Cross-Lingual Approach for Opinion Holder Extraction. Journal of Computational Information Systems, vol. 9, no.6, 2013. (EI)

Yue Zhang, Ruifeng Xu*, Jun Xu. Joint Extraction of Product Attribute and Appraisal Expression Using Tree-Structured Conditional Random Fields. Journal of Computational Information Systems, vol. 9, no.6, 2013. (EI)

Ruifeng Xu and Chunyu Kit, Learning Multiple Level Features for Opinion Analysis, International Journal of Computer Processing of Oriental Languages, Vol.24, No.4, pp 349-371, 2011

Jun Xu, Ruifeng Xu*, Yuxin Ding, Xiaolong Wang and Chunyu Kit, Cross Lingual Opinion Analysis via Transfer Learning,Australian Journal of Intelligent Information Processing, Vol.11, No.2, pp 28-34, 2010 (EI)

Ruifeng Xu, Qin Lu, Kam-Fai Wong and Chunyu Kit, Building a Chinese Collocation Bank, International Journal of Computer Processing of Oriental Languages, vol.22, no.2, 2009

Kam-Fai Wong, Yunqing Xia, Ruifeng Xu, Mingli Wu and Wenjie Li, Pattern-based Opinion Mining for Stock Market Trend Prediction, International Journal of Computer Processing of Oriental Languages, Vol. 21, No. 4, pp.347-362, 2008

Ruifeng Xu, Qin Lu, Yin Li, and Wanyin Li, The Design and Construction of the PolyU Shallow Treebank, International Journal of Computational Linguistics and Chinese Language Processing, Vol.10, no.3, 2005

Ruifeng Xu, Daniel Yeung and Daming Shi, A Hybrid Post-processing System for Offline Handwritten Chinese Character Recognition based on a Statistical Language Model. International Journal of Pattern Recognition and Artificial Intelligence, vol. 19, no. 3, pp. 415-428, 2005 (SCI IDS:936JL) (EI Compendex 2005219116009)

Wanyin Li, Qin Lu and Ruifeng Xu, Similarity based Chinese Synonyms Collocation Extraction, International Journal of Computational Linguistics and Chinese Language Processing, vol.10, no.1, pp.123-144, 2005

Ruifeng Xu, Daniel Yeung, Wenhao Shu, and Jiafeng Liu, A Hybrid Post-processing System for Handwritten Chinese Character Recognition, International Journal of Pattern Recognition and Artificial Intelligence, vol. 16, no. 6, pp. 657-680, 2002 (SCI IDS: 606XB 4 Citation) (EI Compendex 2002487249391)

Daming Shi, Wenhao Shu, and Ruifeng Xu, An Extension Matrix Algorithm for Multi-class Problem with Joint Area, Journal of Software, Vol. 10, No.9, pp.889-995, 1999 (In Chinese) (EI Compendex 2000455310296)

Yang Lu, Fusi Wang, Tiecai Li and Ruifeng Xu, The Design of A PDA Software Development Platform, Journal of Microprocessor, Vol. 1997, No. 3, 1997 (In Chinese)

Fusi Wang, Yue Shu, Datong Chen and Ruifeng Xu, Automatic Assemble Language Program Translation System, Journal of Microprocessor, Vol. 1996, No. 2, pp.49-52, 1996 (In Chinese)

Book Chapters (2 SCI indexed, 3 EI Compendex indexed)

Ruifeng Xu, Kam-Fai Wong, Qin Lu, Yunqing Xia, Learning Multi Linguistic Knowledge for Opinion Analysis, in Lecture Notes in Computer Science 5226, Springer, 2008, pp.993-1000 (EI Compendex 20084811748318)

Guohong Fu, Kang-Kwong Luke, Guodong Zhou, Ruifeng Xu, Automatic Expansion of Abbreviations in Chinese News Text, in Lecture Notes in Computer Science 4182, Springer, 2006, pp.530-536 (SCI IDS: BFG22)(EI Compendex 20064810275736)

Ruifeng Xu, Kam-Fai Wong, Qin Lu, Wenjie Li, An Improved Method for Finding Bilingual Collocation Correspondences from Monolingual Corpora, in Lecture Notes in Computer Science 4285, Springer, 2006, pp.51-62

Wei Gao, Kam-Fai Wong, Yunqing Xia, Ruifeng Xu, Clique Percolation Method for Finding Naturally Cohesive and Overlapping Document Clusters, in Lecture Notes in Computer Science 4285, Springer, 2006, pp.97-108

Ruifeng Xu and Qin Lu, A Multi-stage Collocation Extraction System, in Lecture Notes in Artificial Intelligence 3930, Springer, 2006, pp.740-749 (SCI IDS: BEN35) (EI Compendex 20062810000638)
CONFERENCE PAPERS/TALKS
 
Jun Xu, Ruifeng Xu*, Yanzhen Zheng, Qin Lu, Kai-Fai Wong, and Xiaolong Wang. Chinese Emotion Lexicon Developing via Multi-lingual Lexical Resources Integration, In Proceedings of the 13th International Conference on Computer Linguistics and Intelligent Processing (CICLing2013), pages 174-182, 2013.

Jie Liu, Ruifeng Xu*, Qin Lu, Jian Xu, Explore Chinese Encyclopedic Knowledge to Disambiguate Person Names, in Proceedings of the Second CIPS-SIGHAN Joint Conference on Chinese Language Processing, pages 138–145, 2012.

Ruifeng Xu, Jun Xu, Jie Liu, Chengxiang Liu, Chengtian Zou, Lin Gui, Incorporating Rule-based and Statistic-based Techniques for Coreference Resolution, in Proceedings of the Conference on Empirical Methods in Natural Language Processing and Computational Natural Language Learning(EMNLP-CoNLL2012), pages 107-112, 2012.

Jun Xu, Ruifeng Xu*,Qin Lu, Xiaolong Wang, Coarse-to-Fine Sentence Level Emotion Classification based on the Intra-sentence Features and Sentential Context, in Proceedings of the Conference on Information and Knowledge Management(CIKM2012), pages 2455-2458, 2012.

Lu Ye, Ruifeng Xu*, Jun Xu, Emotion Prediction of News Articles from Reader's Perspective based on Multi-label Classification, in Proceedings of IEEE International Workshop on Web Information Processing(IWWIP), pages 2019-2024, 2012.

Jun Xu, Ruifeng Xu*, Xiaolong Wang, Language model based Chinese Financial News Sentiment Classification, in Proceedings of IEEE International Workshop on Web Information Processing(IWWIP), pages 2025-2030, 2012.

Yan Wu, Xiukun Li, Ruifeng Xu, An Improved Sentence Polishing Model Used in Automatic Extraction, In Proceedings of IEEE International Workshop on Web Information Processing(IWWIP), pages 1884-1888, 2012.

Yaoyun Zhang, Xiaolong Wang, Xuan Wang, Ruifeng Xu, Yongshuai Hou and Shixi Fan, Analysis of Interactive Question Answering Corpus in Open-ended Restricted Domain, in Proceedings of the 11th Chinese Computational Linguistics Conference, 2011

Ruifeng Xu, Jun Xu, and Xiaolong Wang. Instance Level Transfer Learning for Cross Lingual Opinion Analysis. In Proceedings of ACL 2nd Workshop on Computational Approaches to Subjectivity and Sentiment Analysis (ACL WCASSA), pages 182-189, 2011.

Ruifeng Xu, Yawei Wang, Jun Xu, Chinese Opinion Analysis based on Multi Knowledge Integration and Multi Classifier Voting, in Proceedings of 3rd Chinese Opinion Analysis Evaluation (COAE ), 2011

Ruifeng Xu, Weihua Peng, Jun Xu, On-line New Event Detection Using Time Window Strategy, In Proceedings of IEEE International Workshop on Web Information Processing(IWWIP), pages 1932-1937, 2011.

Yaoyun Zhang, Jun Xu, Chenlong Liu, Xiaolong Wang, Xuan Wang, Ruifeng Xu, Qingcai Chen, Yongshuai Hou and Buzhou Tang. ICRC_HITSZ at RITE: Leveraging Multiple Classifiers Voting for Textual Entailment Recognition. In Proceedings of the 9th NTCIR Workshop. Tokyo, Japan, pages 325-329, 2011.

Yaoyun Zhang, Xiaolong Wang, Xuan Wang, Ruifeng Xu, Yongshuai Hou and Shixi Fan. Diversifying Information Needs in Results of Question Retrieval. Proceedings of the 5th International Joint Conference on Natural Language Processing (IJCNLP), pages 1432-1436, 2011

Yaoyun Zhang, Xiaolong Wang, Xuan Wang, Ruifeng Xu and Buzhou Tang. Diversifying Question Recommendations in Community-based Question Answering. Proceedings of 18th International Conference on Neural Information Processing (ICONIP), pages 177-186, 2011.

Ruifeng Xu, Jun Xu and Chunyu Kit, HITSZ_CITYU: Combine Collocation, Context Words and Neighboring Sentence Sentiment in Sentiment Adjectives Disambiguation, in Proceedings of ACL 2010 Semeval-2 Workshop, pages 448-451, 2010

Ruifeng Xu and Chunyu Kit, Incorporating Feature-based and Similarity-based Opinion Mining – CTL in NTCIR-8 MOAT,in Proceedings of NTCIR-8 Conference, pages 276-281, 2010

Ruifeng Xu, Jun Xu Xiangying Dai, Chunyu Kit, Coombine Person Name and Person Identity Recognition and Document Clustering for Chinese Person Name Disambiguation, in Proceedings of CIPS-SIGHAN Joint Conference on Chinese Language Processing (CLP), 59–65, 2010.

Ruifeng Xu and Chunyu Kit, Opinion retrieval based on mutual reinforcement between opinion analysis and relevance estimation, in Proceedings of First International Workshop on Web Information Processing, pages 3347-3352, 2010

Yunqing Xia, Boyi Hao, Ruifeng Xu, Opinion Target Network for Opinion Target Extraction, to appear in Proceedings of 10th Chinese National Conf. on Computational Linguistics (CNCCL 09), Yantai, 2009

Ruifeng Xu, Chunyu Kit, Coarse-Fine Opinion Mining, to appear in Proceedings of IEEE Int. Conf. Machine Learning and Cybernetics, Baoding, 2009

Yan Song, Chunyu Kit, Ruifeng Xu, Hai Zhao, How Unsupervised Learning Affects Character Tagging based Chinese Word Segmentation: A Quantitative Investigation, to appear in Proceedings of IEEE Int. Conf. Machine Learning and Cybernetics, Baoding, 2009

Ruifeng Xu, Kam-Fai Wong, Yunqing Xia, Coarse-Fine Opinion Mining – WIA in NTCIR-7 MOAT Task, in Proceedings of NTCIR-7, Japan, 2008

Ruifeng Xu, Kam-Fai Wong, Qin Lu, Yunqing Xia, Wenjie Li, Learning Knowledge from Relevant Webpage for Opinion Analysis, in Proceedings of 2008 IEEE / WIC / ACM International Conference on Web Intelligence, Austria, 2008, pp. 307-313 (EI Compendex 20091411997512)

Ruifeng Xu, Yunqing Xia, Kam-Fai Wong and Wenjie Li, Opinion Annotation in On-Chinese Product Reviews, in Proceedings of Language Resources and Evaluation Conference 2008 (LREC 2008)

Ruifeng Xu, Qin Lu, Kam-Fai Wong, Wenjie Li, Annotating Chinese Collocations with Multi Information, In Proceedings of ACL Linguistic Annotation Workshop (ACL-LAW) 2007, Prague, pp.61-68

Rufeng Xu, Kam-Fai Wong, Yunqing Xia, Opinmine: Opinion Mining System by CUHK for NTCIR-06 Pilot Task, In Proceedings of NTCIR-6 2007, Tokyo, pp.350-357

Ruifeng Xu, Qin Lu, Kam-Fai Wong and Wenjie Li, Classification-based Chinese Collocation Extraction, In Proceedings of IEEE Int. Conf. Natural Language Processing and Knowledge Engineering 2007, Beijing, pp.308–315 (EI Compendex 20083111408187)

Ruifeng Xu, Qin Lu, K.X. Li and Wenjie Li, Web Mining for Improving Risk Assessment in Port State Control Inspection, In Proceedings of IEEE Int. Conf. Natural Language Processing and Knowledge Engineering 2007, Beijing, pp.427–434 (EI Compendex 20083111408205)

Ruifeng Xu, Qin Lu, Wenjie Li, K.X. Li and Haisha Zheng, A Risk Assessment System for Improving Port State Control Inspection, In Proceedings of IEEE Int. Conf. Machine Learning and Cybernetics 2007, Hong Kong, vol.2, pp.818-823 (EI Compendex 20080311017204)

Yunqing Xia, Ruifeng Xu, Kam-Fai Wong and Fang Zheng, The Unified Collocation Framework for Opinion Mining, In Proceedings of IEEE Int. Conf. Machine Learning and Cybernetics 2007, Hong Kong, vol.2, pp.19-22 (EI Compendex 20080311017209)

Ruifeng Xu, Qin Lu and Sujian Li, The Design and Construction of Chinese Collocation Bank, In Proceedings of LREC 2006, Italy, 2006

Sujian Li, Qin Lu, Wenjie Li and Ruifeng Xu, Interaction between Lexical Base and Ontology with Formal Concept Analysis, In Proceedings of LREC 2006, Italy, 2006

Ruifeng Xu, Qin Lu, Improving Collocation Extraction by Using Syntactic Patterns, In Proceedings of IEEE Int. Conf. Natural Language Processing and Knowledge Engineering 2005, Wuhan, pp. 52-57 (EI Compendex 20070910459332)

Ruifeing Xu, Qin Lu, Multi-stage Chinese Collocation Extraction, In Proceedings of IEEE Int. Conf. Machine Learning and Cybernetics 2005, Guang Zhou, pp.3254-3259 (EI Compendex 2005509539295)

Guo-hong Fu, Ruifeng Xu, K. K. Luke, and Qin Lu, Chinese Text Chunking using Lexicalized HMMs, In Proceedings of IEEE Int. Conf. Machine Learning and Cybernetics 2005, Guang Zhou, pp.7-12 (EI Compendex 2005509538707)

SuJian Li, Wen-jie Li, Qin Lu, and Ruifeng Xu, Verifying Person Descriptions with Term-Entity Association, In Proceedings of IEEE Int. Conf. Machine Learning and Cybernetics, Guangzhou, pp. 50-55 (EI Compendex 2005509538714)

Sujian Li, Yun Li, Luning Ji, and Ruifeng Xu, Use of Dictionary Matching and String Frequency Statistics in Content Analysis of Automatic Indexing, In Proceedings of 8th Joint Symposium on Computational Linguistics, NanJing, pp. 672-674

Ruifeng Xu, Qin Lu, and Wanyin Li, The Construction of a Chinese Shallow Treebank, In Proceedings of 3rd Workshop on ACL SIGHAN, pp.94-101,Barcelona, Spain, 2004

Wanyin Li, Qin Lu, and Ruifeng Xu, Using Synonym Relations in Chinese Collocation Extraction, In Proceedings of 3rd Workshop on ACL SIGHAN, Barcelona, 2004 pp.86-93

Ruifeng Xu, Qin Lu, and Yin Li, An automatic Chinese Collocation Extraction Algorithm based on Lexical Statistics, In Proceedings of IEEE Int. Conf. Natural Language Processing and Knowledge Engineering 2003, Beijing,pp.321-326

Qin Lu, Yin Li, and Ruifeng Xu, Improving Xtract for Chinese Collocation Extraction, In Proceedings of IEEE Int. Conf. Natural Language Processing and Knowledge Engineering 2003, Beijing, pp. 333-338
Qin Lu, Jing Zhou, and Ruifeng Xu, Machine Learning Approaches for Chinese Shallow Parsing, In Proceedings of IEEE Int. Conf. Machine Learning and Cybernetics, Xi’an,vol.4, pp.2309-2314 (EI Compendex 2004128072267)

Ruifeng Xu, Qin Lu, Daniel S. Yeung, and Xizhao Wang, Distant BI-Gram Model, Collocation and Their Application in Post-processing for Chinese Character Recognition, In Proceedings of IEEE Int. Conf. Natural Language Processing and Knowledge Engineering 2002, Beijing, vol.4, pp.2251-2255 (EI Compendex 2003127407164)

Ruifeng Xu, Daniel S. Yeung and Xizhao Wang, Using neural network classifier in post-processing system for handwritten Chinese character recognition, In Proceedings of IEEE Int. Conf. Systems, Man and Cybernetics 2001, vol.3, pp.1497-1502 (EI Compendex 2002126891846)

Ruifeng Xu, Daniel S. Yeung and Wenhao Shu, Using Confusing Character, Dictionary Matching and Word BI-Gram Language Model for Improving Handwritten Chinese Character Recognition, In Proceedings of Int. Conf. Artificial Intelligence 2000, Las Vegas,Vol.3, pp. 1271-1277

Ruifeng Xu, Daniel S. Yeung, and Xiaolong Wang, A Hybrid Post-Processing Approach for Handwritten Chinese Character Recognition, In Proceedings of Int. Conf. Machine Translation and Computer Language Information Processing 1999, Beijing, pp. 152-158

Ruifeng Xu and Daniel S. Yeung, Experiments on the use of corpus-based word BI-gram in Chinese word segmentation, In Proceedings of IEEE Int. Conf. Systems, Man and Cybernetics 1998, San Diego, Vol.5, pp. 4222-4227 (EI Compendex 1999134554112)
TEACHING/SUPERVISING EXPERIENCE
Supevisor, School of Computer Science and Technology, Harbin Institute of Technology Shenzhen Graduate School
Master of 2011 session: 3
Gui Lin National Scholarship, School Principal level Scholarship, Outstanding Diploma Theses, Golden Award of Outstanding Graduates
Ye Lu School Principal level Scholarship, Outstanding Graduates of Heilongjiang Province, Outstanding Graduates of Harbin Institute of Technology
Zhang Yue

Master of 2010 session: 6
Outstanding Graduates of Harbin Institute of Technology: Zheng Yanzhen, Liu Chengxiang, Liu Jie

Course:
Full-time Master course "Natural Language Processing“ since 2010
Part-time Master course "Natural Language Processing“ 2012
Part-time Master course "Web Information Retrival and Processing“ 2013
Co-supervisor, School of Computer Science and Technology, Harbin Institute of Technology Shenzhen Graduate School
Doctor: Gui Lin, Cooperative guidance with distinguished Prof. Lu Qin, The Hong Kong Polytechnic University
Updated:2019-03