Si LI's Home Page


Abo
ut Me

Hello, my name is Si LI (curriculum vitae). I am an assistant professor in  Beijing University of Posts and Telecommunications.

E-mail:      lisi A.T bupt D-O`T edu D-O`T cn

Research Interests:
Natural Language Processing, Opinion Mining, Sentiment Analysis, Information Retrieval

 
 News

        2013.04-2015.06      Chinese Language Processing Group, Brandeis University

                                        Postdoctoral researcher   

                                        Supervisor: Prof. Nianwen Xue                                 

       

        2012.11-2013.02      National Institute of Informatics

                                         Visiting researcher

                                         Supervisor: Prof. Nigel Collier


        2010.09-2012.03      Lab for Media Search, National University of Singapore 

                                        Visiting student

                                        Supervisor: Prof. CHUA Tat-Seng

 Education

        2007.09-2012.06        Beijing University of Posts and Telecommunications        Ph. D. in Signal and Information Processing    

        2003.09-2007.06        Beijing University of Posts and Telecommunications        B.E. in Automation (Information Engineering)

 
 Publications
     Journal Papers
  1. Si Li and Boxin Shi. "Photometric Stereo for General Isotropic Reflectances by Spherical Linear Interpolation". In Optical Engineering, Volume 54, Number 8, 083104, Aug. 2015. (OE)
  2. Si Li, Huiji Gao, Jingyi Guan, Weiran Xu and Jun Guo. "Faceted Blog Distillation System: Find an In-depth Blog".  International Journal of Digital Content Technology and its Applications, Vol. 4, No. 8, pp. 86-91, November 2010.
  3. Yan Li, Si Li, Guang Chen, Weiran Xu and Jun Guo. "Estimating Blog Inclination based on IG-MI FO System". International Journal of Digital Content Technology and its Applications Vol. 5, No. 2, pp. 48-54, February 2011.

   Selected Conference Papers

  1. Si Li, Nianwen Xue. Effective Document-level Features for Chinese Patent Word Segmentation. Proceedings of ACL-2014, 2014, Baltimore, USA.
  2. Si Li, Zhengjun Zha, Zhaoyan Ming, Meng Wang, Tat-Seng Chua, Jun Guo and Weiran Xu. "Product Comparison using Comparative Relations". Proceedings of the 34th International ACM SIGIR Conference on Research and Development in Information Retrieval (SIGIR’11), pp. 1151-1152, July 2011, Beijing, China.
  3. Si Li, Hao Zhang, Weiran Xu, Guang Chen and Jun Guo. "Exploiting Combined Multi-level Model for Document Sentiment Analysis". Proceedings of the 20th International Conference on Pattern Recognition (ICPR), pp. 4141-4144, August 2010, Istanbul, Turkey.
  4. Xian-Ling Mao, Zhao-Yan Ming, Tat-Seng Chua, Si Li, Hongfei Yan and Xiaoming Li. "SSHLDA: A Semi-Supervised Hierarchical Topic Model". Proceedings of the 2012 Joint Conference on Empirical Methods in Natural Language Processing and Computational Natural Language Learning (EMNLP), pp. 800-809, July 2012, Jeju Island, Korea.
  5. Yan Li,  Si Li, Weiran Xu,  and Jun Guo.  "Analyzing Semantic Orientation of Terms using Affinity Propagation". Proceedings  of the 8th International Symposium on Chinese Spoken Language Processing, pp. 30-34, December 2012, Hongkong, China. 
  6. Si Li, Hui He, Weiran Xu and Jun Guo. "Automatic Chinese Sentiment Word Extraction Based on Maximum Entropy". Proceedings of International Conference on Wavelet Analysis and Pattern Recognition, pp. 437-441, July 2009, Baoding, China.
  7. Si Li, Lei Du, Weiran Xu and Jun Guo. "A Modified System for Weblog Topic Relevance Retrieval". Proceedings of International Conference on Future Information Technology and Management Engineering, pp. 392-395, December 2009, Sanya, China.
  8. Si Li, Hao Zhang, Weiran Xu and Jun Guo. "Chinese Text Sentiment Analysis Based on Combination Model". Proceedings of CCIR 2009, November 2009, Shanghai, China.
  9. Xinsheng Li, Si Li, Weiran Xu, Guang Chen and Jun Guo. "Weakly Supervised Relevance Feedback based on An Improved Language Model". Proceedings of the 6th International Conference on Natural Language Processing and Knowledge Engineering (NLP-KE), pp. 1-5, August 2010, Beijing, China.

   Technical Reports

  1. Si Li, Yan Li, Jiayue Zhang, Jingyi Guan, Xueji Sun, Weiran Xu, Guang Chen and Jun Guo. "PRIS at TREC 2010 Blog Track: Faceted Blog Distillation". Proceedings of Text Retrieval Conference (TREC) 2010, 2010. (http://trec.nist.gov/pubs/trec19/t19.proceedings.html) 
  2. Si Li, Sanyuan Gao, Zongyu Zhang, Xinsheng Li, Jingyi Guan, Weiran Xu and Jun Guo. "PRIS at TAC 2009: Experiments in KBP Track". Proceedings of Text Analysis Conference (TAC) 2009, 2009. (http://www.nist.gov/tac/publications/2009/papers.html) 
  3. Si Li, Xinsheng Li, Hao Zhang, Sanyuan Gao, Guang Chen and Jun Guo. "PRIS at 2009 Relevance Feedback track: Experiments in Language Model for Relevance Feedback". Proceedings of Text Retrieval Conference (TREC) 2009, 2009.  (http://trec.nist.gov/pubs/trec18/t18_proceedings.html) 
  4. Si Li, Huiji Gao, Hao Sun, Fei Chen, Oupeng Feng, Sanyuan Gao, Hao Zhang, Xinsheng Li, Caili Tan, Weiran Xu, Guang Chen and Jun Guo. "A Study of Faceted Blog Distillation -- PRIS at TREC 2009 Blog Track". Proceedings of Text Retrieval Conference (TREC) 2009, 2009. (http://trec.nist.gov/trec18/t18_proceedings.html)
  5. Si Li, Hao Zhang, Weiran Xu and Jun Guo. "The Study of Chinese Text Sentiment Analysis for Different Document Level". Proceedings of the Second Chinese Opinion Analysis Evaluation, November 2009, Shanghai, China.

   Others

  1. Xueji Sun, Si Li, Weiran Xu, Guang Chen and Jun Guo. "Machine Learning based Blog Classification: Personal vs. Official Facet". Proceedings of the 3rd International Conference on Computer Research and Development, pp. 31-34, March 2011, Shanghai, China.
  2. Sanyuan Gao, Si Li, Weiran Xu and Jun Guo. "Cross-Document Coreference Resolution based on Automatic Text Summary". Proceedings of the 3rd International Conference on Knowledge Discovery and Data Mining (WKDD 2010), pp. 306-309, January 2010, Phuket, Thailand.
  3. Hui He, Si Li, Fen Xiao, Weiran Xu and Jun Guo. "PRIS Sentiment Analysis System Technical Report". Proceedings of the First Chinese Opinion Analysis Evaluation, November 2008, Beijing, China.
  4. Sanyuan Gao, Yichao Cai, Si Li, Weiran Xu, Guang Chen and Jun Guo. "PRIS at TAC 2010 KBP Track". Proceedings of Text Analysis Conference (TAC)  2010, 2010. (http://www.nist.gov/tac/publications/2010/)
  5. Chunbo Liu, Yan Li, Weiran Xu, Si Li and Jun Guo. "A Relevance Feedback Retrieval System based on Indri Toolkit". Proceedings of IEEE 3rd International Conference on Communication Software and Networks, pp. 4-7, May 2011, Xi’an, China.
  6. Hui He, Bo Chen, Lei Du, Si Li, Huiji Gao, Weiran Xu and Jun Guo. "PRIS in TREC 2008 Blog Track". Proceedings of Text Retrieval Conference (TREC), 2008. (http://trec.nist.gov/pubs/trec17/t17_proceedings.html)
 Research Experiences

       2013-now         Research on Chinese word segmentation.       

       2010-2012        Research on opinion mining under both English and Chinese for product comparison. 

       2009-2012        Research on Chinese sentiment analysis: word-level, sentence-level, document-level.                                                                                              

                                And won third place in Chinese Opinion Analysis Evaluation 2008 and 2009. 

       2008-2010        Research on blog retrieval and analysis: query formulation and faceted blog distillation.

                                And won the first place in the TREC Blog Track 2009, the second place in the TREC Blog Track 2010. 

       2009-2010        Research on information extraction: entity linking and slot filling.  

       2008-2010        Research on relevance feedback.