李思 Si Li

讲师  Assistant professor    
硕士生导师
联系方式 Contact: lisi AT bupt DOT edu DOT cn

 

研究方向 Research Interests

自然语言处理 (Natural Language Processing)、信息抽取 (Information Extraction)、信息检索 (Information Retrieval)、计算机视觉 (Computer Vision)

工作经历  Working experience

2013.04-2015.06      美国布兰迪斯大学,博士后研究员
                                 Chinese Language Processing GroupBrandeis University                                             Postdoctoral researcher, Supervisor: Prof. Nianwen Xue
2012.11-2013.02      日本国立情报学研究所,访问研究员
                                 National Institute of Informatics
                                 Visiting researcher, Supervisor: Prof. Nigel Collier
2010.09-2012.03     新加坡国立大学,联合培养博士生
                                 Lab for Media SearchNational University of Singapore
                                 Visiting student, Supervisor: Prof. CHUA Tat-Seng

教育背景  Education

2007.09-2012.06  北京邮电大学,博士(信号与信息处理)
                                Beijing University of Posts and Telecommunications
                                Ph. D. in Signal and Information Processing

2003.09-2007.06  北京邮电大学,工学学士(信息自动化)
                                Beijing University of Posts and Telecommunications
                                B.E. in Automation (Information Engineering)

主持项目 Research Funding

  • “基于神经网络的领域自适应中文序列标注方法的研究”,国家自然科学基金(青年项目),批准号:61702047,2018.01-2020.12.
  • “自适应中文分词系统的研究”,北京市自然科学基金(青年项目),批准号:4174098,2017.01-2018.12.

 

发表论文  Publications

期刊论文  Journal papers

  1. Si Li, Zhaoyan Ming, Yan Leng and Jun Guo. “Product ranking using hierarchical aspect structures”. In Journal of Intelligent Information Systems. July 2016.
  2. 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)
  3. 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.

会议论文  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.

技术报告  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.

其他  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)