Curriculum Vitae Dr.Congfu Xu Contacts College of Computer Science, Zhejiang University Tel: +86 138 0571 9966 Hangzhou, Zhejiang Province, China Fax: +86 571 8795 1947 Homepage: http://www.cs.zju.edu.cn/people/xucf/ Email: xucongfu@zju.edu.cn Academic Qualifications Ph.D. in Computer Science, Zhejiang University, China, May 2000 M.Sc. in Computer Science, Zhejiang University, China, Feb. 1997 B.Sc. in Automation, Zhejiang University of Technology, Jul. 1991 Faculty Appointments 1. Associate Professor, Jan. 2003 present College of Computer Science, Zhejiang University, China 2. Assistant Professor, Jun. 2000 Dec. 2002 College of Computer Science, Zhejiang University, China Research Interests 1. Data Mining and Data Fusion Focusing on large-scale text analysis and text mining. 2. Intelligent Systems Focusing on context-ware recommender systems (CARS), large-scale spam filtering systems. Research Grants 1. Topic: Learning Theory and Methods for Ambiguity Objects, Sponsor: National Basic Research Program (973 Plan), Ministry of Science and Technology, China, No. 2010CB327903, Jan. 2010 Dec. 2014. 2. Topic: Integrated Incremental SVM and its Applications in Large-scale Spam Filtering, Sponsor: Natural Science Foundations of China (NSFC), No. 60970081, Jan. 2010 Dec. 2012. 3. Topic: Logistic and SVM based Large-scale Spam Filtering System, Sponsor: National Advanced Technology Development Plan (863 plan), Ministry of Science and Technology, China, No. 2007AA01Z197, Dec. 2007 Dec. 2009. 4. Topic: Maneuvering Targets Tracking in a Complex Environment, Sponsor: Natural Science Foundations of China (NSFC), No. 60402010, Jan. 2005 Dec. 2007. 5. Topic: Research on Privacy-Preserving Data Mining for Enterprise Credit Assessment, Sponsor: Zhejiang Provincial Natural Science Foundations, No. Y105250, Jan. 2006 Dec. 2007. 1
6. Topic: Research on the Design Method of Personalized Shoe Lasts,Sponsor: Zhejiang Provincial Natural Science Foundations, No. 602045, Jan. 2003 Dec. 2004. Competitions 1. KDD-Cup 2011. Project: Recommending music items based on the Yahoo! dataset, ranked no. 12 among 100 teams from all over the world. 2. SEWM 2010. Project: Terminator: A large-scale spam filtering system, ranked no. 1 in China. 3. SEWM 2008. Project: TGang: An efficient spam filtering system, ranked no. 2 in China. 4. SEWM 2007. Project: An SVM-based spam filtering system, ranked no. 1 in China. Patents 1. Xu, C., Chen, Y. Encoding-based image spam filtering method. Chinese Patent No. ZL201010104138.8, Dec. 17, 2011. 2. Ren, Q., Peng, P., Lu, G., Xu, C. PPM-based spam filtering method. Chinese Patent No. ZL200810120281.9, Apr. 4, 2011. 3. Xu, C., Lu, G. Content-based large-scale spam short message filtering method. Chinese Patent No. ZL200710069930.2, Dec. 8, 2010. 4. Xu, C., Liu, J. An adaptive approach to keywords learning in spam short message filtering. Chinese Patent No. ZL200710156474.5, Jun. 3, 2010. 5. Pan, Y., Xu, C. A novel method for the design of personalized shoe last models. Chinese Patent No. ZL01130405.7, Sept. 1, 2004. List of Publications Journal Papers [1] Xu, C., Hao, C., Su, B., Lou, J. Research on Markov logic networks. Chinese Journal of Software. 2011, 22(8): 1699-1713. (In Chinese with English abstract) [2] Yan, Z., Xu, C., Yunhe Pan. Improving naive Bayes classifier by dividing its decision regions. Journal of Zhejiang University-SCIENCE C (Computers & Electronics), 2011, 12(8): 647-657. [3] Zhang, Z., Dai, G., Xu, C., Jordan, M. I. Regularized discriminant analysis, ridge regression and beyond. Journal of Machine Learning Research, 2010(11): 2199-2228. [4] Wang, J., Xu, C., Li, G. Mining frequent itemsets in distorted databases with granular computing. International Journal of Pattern Recognition and Artificial Intelligence, 2009, 23(4): 825-846. [5] Liu, Y., Xu, C., Zhang, Q., Pan, Y. The smart architect: scalable ontology-based modeling of ancient Chinese architectures. IEEE Intelligent Systems, 2008, 23(1): 49-56. 2
[6] Liu,Y., Xu, C., Zhang, Q., Pan, Y. Rough rule extracting from various conditions: incremental and approximate approaches for inconsistent data. Fundamenta Informaticae, 2008, 84(3-4): 403-427. [7] Pan, W., Xu, C.. BioASLM: an efficient biology-inspired acoustic source localization model in indoor sensor networks. Chinese Journal of Electronics, 2007, 16(3): 406-410. [8] Li, S., Xu, C., Yang, Y., Pan, Y. Getting mobile beacon path for sensor localization. Acta Electronica Sinica, 2008, 19(2): 455-467. (In Chinese with English abstract) [9] Huang, W., Li, S., Liu, J., Xu, C. A large-scale online spam short message filtering system. Journal of Beijing University of Posts & Telecommunications, 2008, 31(3):33-37. (In Chinese with English abstract) [10] Xu, C., Chen, J., Pan, Y. A line-style drawing algorithm for 3D models. Journal of Image and Graphics, 2007, 12(4): 707-712. (In Chinese with English abstract) [11] Xu, C., Li, S., Rao, D., Pan, Y. Triangle-arranged method for coverage with connectivity in sensor networks. Journal of Transduction Technology, 2007, 20(3): 650-655. (In Chinese with English abstract) [12] Liu, Y., Xu, C., Pan, Z., Pan, Y. Semantic modeling for ancient architecture of digital heritage. Computers & Graphics, 2006, 30(5):800-814. [13] Pan, Y., Wang, J., Xu, C. State-of-the-art on frequent pattern mining in data streams. Acta Automatica Sinica, 2006 32(4): 594-602. [14] Li, S., Xu, C., Wu, Z., Pan, Y. Optimal deployment and protection strategy in sensor network for target tracking. Acta Electronica Sinica, 2006, 34(1):71-76. (In Chinese with English abstract) [15] Xu, S., Lau, F. C. M., Xu, C., Pan, Y., Pan, Y. Virtual hairy brush for digital painting and calligraphy. Science in China (Series F: Information Sciences), 2005, 48(3):285-303. [16] Liu, Y., Xu, C., Chen, W., Pan, Y. Design and development of the CAD system of house area check and apportionment. Journal of Computer-Aided Design & Computer Graphics, 2005, 17(2):364-367. (In Chinese with English abstract) [17] Xu, C., Liu, Y., Jiang, Y., Pan, Y. Design and realization of customized shoe last CAD system. Journal of Computer-Aided Design & Computer Graphics, 2004, 16(10):1437-1441. (In Chinese with English abstract) [18] Xu, J., Xu, C., Geng, W., Pan, Y. Dynamic objects identifying and tracking based on rough set theory. Acta Electronica Sinica, 2002, 30(4):605-607. (In Chinese with English abstract) [19] Xu, C., Pan, Y. IFS/CI2: an intelligent fusion system of communication interception information. Journal of Electronics & Information Technology, 2002, 24(10): 1358-1365. (In Chinese with English abstract) [20] Xu, C., Geng, W., Pan, Y. Multi-hierarchical blackboard model for communication intercept information fusion. Acta Electronica Sinica, 2001, 29(3): 361-363. (In Chinese with English abstract) 3
[21] Xu, C., Geng, W., Pan, Y. Review of Dempster-Shafer method for data fusion. Acta Electronica Sinica, 2001, 29(3): 393-396. (In Chinese with English abstract) [22] Xu, C., Geng, W., Xie, S., Pan, Y. A fuzzy neural network method for the fusion of communication intercept information. Journal of Computer Research & Development, 2000, 37(10)1212-1217. (In Chinese with English abstract) [23] Xu, C., Geng, W., Pan, Y. Review of theory and applications of Dempster-Shafer evidential reasoning method. Pattern Recognition & Artificial Intelligence, 1999, 12(4): 424-430. (In Chinese with English abstract) Conference Papers [1] Xu, C., Chiew, K., Chen, Y., Liu, J. Fusion of text and image features: a new approach to image spam filtering. In: 2011 International Conference on Intelligent Systems and Knowledge Engineering (ISKE 2011), Shanghai, China, December 15-17, 2011, pages 129-140. [2] Liu, Q., Cheng, C., Xu, C. Collaborative filtering based on star users. In: Proceedings of 23rd International Conference on Tools with Artificial Intelligence (ICTAI 2011), Boca Raton, Florida, November 7-9, 2011, pages 223-228. [3] Zhao, H., Han, J., Wang, N., Xu, C., Zhang, Z. A scalable spectral relaxation approach to matrix completion via Kronecker products In: Proceedings of 25th National Conference on Artificial Intelligence (AAAI 2011), San Francisco, CA, August 7-11, pages 580-585. [4] Xu, C., Wu, Y. Improvement of entity resolution based on Markov logic networks. In: 2011 3rd International Conference on Information Management and Engineering (ICIME 2011), Zhengzhou, China, May 21-22, 2011, pages 19-23. [5] Xu, C., Chen, Y., Chiew, K. An approach to image spam filtering based on Base64 encoding and N-gram feature extraction. In Proceedings of the 22th IEEE International Conference on Tools Artificial Intelligence (ICTAI 2010), vol. 1, pages 171 177, Arras, France, October 27-29, 2010. [6] Dou,W., Dai, G., Xu, C., Zhang, Z. Spare unsupervised dimensionality reduction algorithms. In: Proceeding of ECML/PKDD 2010, Barcelona, Spain, September 20-24, 2010, part 1, LNAI 6321, pages 361-376. [7] Xu, C., Chen, Y., Chiew, K. An approach to image spam filtering based on base64 encoding and n-gram feature extraction. In: Proceedings of 22nd International Conference on Tools with Artificial Intelligence (ICTAI 2010), Arras, France, October 27-29, 2010, vol. 1, pages 171-177. [8] Su, B., Xu, C. Not so naive online Bayesian spam filter. In: Proceedings of the 21st conference on Innovative Application of Artificial Intelligence (IAAI 2009), July 14-16, 2009, Pascadena, CA, pages 147-152. [9] Yan, Z., Xu, C. Studies on classification models using decision boundaries. In: Proceedings of the 8th IEEE International Conference on Cognitive Informatics (ICCI 2009),Hong Kong, China, June 15-17, 2009, pages 287-294. 4
[10] Wang, J., Xu, C., Li, G., Dai, Z., Luo, G. Understanding research field evolving and trend with dynamic Bayesian networks. In: Proceedings of the 11th Pacific-Asia Conference on Knowledge Discovery and Data Mining (PAKDD2007), Nanjing, China, LNCS 4822, pages 391-399, May 22-25, 2007. [11] Qiang, S., Qian, Y., Soong, F. k., Xu, C. Robust F0 modeling for mandarin speech recognition in noise. In: Proceedings of InterSpeech 2007, Antwerp, Belgium, August 27-31, 2007, pages 1801-1804. [12] Liu, Y., Xu, C., Zhang, Q., Pan, Y. Ontology based semantic modeling for Chinese ancient architectures. In: Proceedings of the Twenty-First National Conference on Artificial Intelligence (AAAI 2006), July 16-20, 2006, Boston, Massachusetts, pages 1808-1813. [13] Wang, J., Xu, C. Efficient mining of frequent itemsets in distorted databases. In: Proceedings of Australian Conference on Artificial Intelligence (ACAI 2006), Lecture Notes in Computer Science, Volume 4304, 2006, pages 352-361. [14] Xu, C., Wang, J. An efficient incremental algorithm for frequent itemsets mining in distorted databases with granular computing. In: Proceedings of the 2006 IEEE/WIC/ACM International Conference on Web Intelligence(WI 2006), Hong Kong, December 18-22, 2006, pages 913-918. [15] Wang, J., Xu, C., Dan, H., Pan, Y. SA-IFIM: incrementally mining frequent itemsets in update distorted databases. In: Proceedings of the 2nd International Conference on Advanced Data Mining and Applications(ADMA 2006), Xi An, China, August 14-16, 2006, pages 92-99. [16] Wang, J., Xu, C., Pan, Y. An incremental algorithm for mining privacy-preserving frequent itemsets. In: Proceedings of the fifth International Conference on Machine Learning and Cybernetics(ICMLC2006), Dalian, China, August 13-16, pages 1132-1137. [17] Li, S., Xu, C., Pan, W., Pan, Y. Sensor deployment optimization for detecting maneuvering targets. In: Proceedings of 7th International Conference on Information (Fusion 2005), Philadelphia, PA, USA, July 25-29, 2005, pages 1629-1635. [18] Shen, H., Xu, C., Han, X., Pan, Y. Stock tracking: a new approach for stock analysis and forecasting. In: Proceedings of 7th International Conference on Information (Fusion 2005), Philadelphia, PA, USA, July 25-29, 2005, pages 1375-1382. [19] Xu, C., Wang, J., Dan, H., Pan, Y. An improved EMASK algorithm for privacy-preserving frequent pattern mining. In: Proceedings of 2005 International Conference on Intelligence and Security (CIS 2005), Xi an, China, December 15-19, 2005, pages 752-757. [20] Liu, Y., Xu, C., Pan, Y. A parallel approximate rule extracting algorithm based on the improved discernibility matrix. In: Proceedings of Rough Sets and Current Trends in Computing (RSCTC 2004), Uppsala, Sweden, June 1-5, 2004, pages 498-503. [21] Li, S., Xu, C., Wu, Z., Pan, Y., Li, X. ABSDM: Agent based service discovery mechanism in Internet. In: Proceedings of the 4th International Conference on Computational Science (ICCS 2004), Krakow, Poland, June 6-9, 2004, pages 441-444. 5