Shipeng Yu

 

Staff Scientist

Siemens Medical Solutions USA, Inc.

 

CONTACT INFORMATION

Tel:         +1-610-448-4420 (O)

Fax:       +1-610-448-4274 (O)

URL:      http://www.dbs.ifi.lmu.de/~spyu/ 

Email:    shipeng.yu@siemens.com (work), shipeng.yu@gmail.com (private)

 

RESEARCH INTERESTS

²        Statistical Machine Learning, Probabilistic Modeling, Bayesian Data Analysis

²        Bayesian Clustering, Dimensionality Reduction, Supervised Projection

²        Document Modeling, Collaborative Filtering, Ranking

²        Information Retrieval and Extraction, Text Mining, Web Search and Mining

 

EDUCATION

Ph.D.  in Institute for Computer Science, University of Munich (9/2003 - 9/2006)

           Supervisor: Prof. Dr. Hans-Peter Kriegel, Dr. Volker Tresp

M.Sc.  in Information Science, School of Mathematical Sciences, Peking University, China (9/2000 - 7/2003)

           Supervisor: Prof. Dr. Zuoquan Lin

GPA: 91.6/100                                                               Rank: 2/70

B.Sc.  in Information Science, School of Mathematical Sciences, Peking University, China (9/1996 - 7/2000)

GPA: 93.5/100 for major, 91.7/100 for all                          Rank: 2/41

 

RESEARCH EXPERIENCE

11/2006 – Present: Staff Scientist at Siemens Medical Solutions USA, Inc.

Directions: statistical machine learning for medical data mining

9/2003 – 9/2006: Guest Research Scientist at Siemens Corporate Technology, Munich, Germany

Directions: statistical machine learning, data mining and information retrieval

²        Proposed a Dirichlet enhanced latent semantic analysis for documents

²        Introduced a variational Bayesian method for infinite mixture of exponential family distributions

²        Co-invented a supervised projection model and its probabilistic extensions and interpretations

²        Co-invented a soft clustering algorithm on graph with applications on semi-supervised learning

²        Introduced a multi-task Gaussian Process model for collaborative ranking problem

²        Proposed a supervised and a semi-supervised PCA which can be applied to very large data sets

7/2005 - 9/2005: Research Internship at Microsoft Research Cambridge, Cambridge, UK

Topic: Bayesian web ranking with TrueSkillTM System

²        Addressed web ranking problem by extending TrueSkillTM system for games

²        Considered time-independent ranking and feature-dependent ranking for web ranking scenario

²        Implemented the whole algorithm to handle millions of document-query pairs

²        Proposed a probabilistic method to evaluate judges and measure query difficulties

9/2001 - 8/2003: Visiting Student at Microsoft Research Asia, Beijing, China

Directions: web page segmentation and applications on web information retrieval, extraction and mining

²        Proposed a novel vision-based content structuring method for web page

²        Verified that vision-based page segmentation (VIPS) could significantly improve web IR performance

²        Proposed a combined page segmentation approach which achieved the best performance

²        Introduced a new strategy for automatic web information extraction based on web content structure

1/2000 - 7/2003: Research Assistant at PKU-Goldtech Networking R&D Center, Beijing, China

Directions: web-based DRP systems with security issues

²        Team Member of WebDaemon, a role-based access control (RBAC) system on the web

²        Project Leader of TYGXC, an Internet-based DRP system for TianYin Corporation, China

²        Team Member of TCLJXC, an Internet-based DRP system for TCL Corporation, China

 

SELECTED PUBLICATIONS

²        Shipeng Yu, Balaji Krishnapuram, Romer Rosales, Harald Steck, and R. Bharat Rao. Bayesian Multi-View Learning. To appear as spotlight in the Advances in Neural Information Processing Systems 20 (NIPS'2007), 2007.

²        Jianwu Xu, Shipeng Yu, Jinbo Bi, Lucian Lita, Stefan Niculescu, and R. Bharat Rao. Automatic Medical Coding of Patient Records via Weighted Ridge Regression. To appear in the 6th International Conference on Machine Learning and Applications (ICMLA'2007), 2007.

²        Zhao Xu, Volker Tresp, Shipeng Yu, Kai Yu and Hans-Peter Kriegel. Fast Inference in Infinite Hidden Relational Models. In the 5th International Workshop on Mining and Learning with Graphs (MLG’2007), Florence, Italy, 2007.

²        Shipeng Yu, Volker Tresp, and Kai Yu. Robust Multi-Task learning with t-Processes. In the 24th International Conference on Machine Learning (ICML'2007), Corvallis, OR, 2007.

²        Mingrui Wu, Kai Yu, Shipeng Yu, and Bernhard Schölkopf. Local Learning Projections. In the 24th International Conference on Machine Learning (ICML'2007), Corvallis, OR, 2007.

²        Kai Yu, Wei Chu, Shipeng Yu, Volker Tresp, and Zhao Xu. Stochastic Relational Models for Discriminative Link Prediction. In Advances in Neural Information Processing Systems 19 (NIPS'2006), 2006.

²        Shipeng Yu, Kai Yu, Volker Tresp, and Hans-Peter Kriegel. Multi-Output Regularized Feature Projection. In IEEE Transactions on Knowledge and Data Engineering, Vol. 18, no. 22, pp. 1600-1613, December 2006.

²        Shipeng Yu, Kai Yu, Volker Tresp, and Hans-Peter Kriegel. Variational Bayesian Dirichlet-Multinomial Allocation for Exponential Family Mixtures. In the 17th European Conference on Machine Learning (ECML’2006), Berlin, Germany, 2006.

²        Shipeng Yu, Kai Yu, Volker Tresp, Hans-Peter Kriegel, and Mingrui Wu. Supervised Probabilistic Principal Component Analysis. In the 12th ACM International Conference on Knowledge Discovery and Data Mining (KDD’2006), Philadelphia, PA, 2006.

²        Shipeng Yu, Kai Yu, Volker Tresp, and Hans-Peter Kriegel. Collaborative Ordinal Regression. In the 23rd International Conference on Machine Learning (ICML'2006), Pittsburgh, PA, 2006.

²        Shipeng Yu, Kai Yu, and Volker Tresp. Collaborative Ordinal Regression. In the Proceedings of Workshop on Learning to Rank at Neural Information Processing Systems 18 (NIPS'2005), Whistler, Canada, 2005.

²        Kai Yu, Shipeng Yu, and Volker Tresp. Soft Clustering on Graphs. Advances in Neural Information Processing Systems 18 (NIPS'2005), Vancouver, Canada, 2005.

²        Yi Huang, Kai Yu, Matthias Schubert, Shipeng Yu, and Hans-Peter Kriegel. Hierarchy-Regularized Latent Semantic Indexing. In the 5th IEEE International Conference on Data Mining (ICDM'2005), New Orleans, Louisiana, 2005.

²        Shipeng Yu, Kai Yu, Volker Tresp, and Hans-Peter Kriegel. A Probabilistic Clustering-Projection Model for Discrete Data. In the 9th European Conference on Principles and Practice of Knowledge Discovery in Databases (PKDD'2005), Porto, Portugal, 2005. (Best Paper Runner-Up / Best Student Paper Runner-Up)

²        Kai Yu, Shipeng Yu, and Volker Tresp. Blockwise Supervised Inference on Large Graphs. In the Proceedings of Workshop on Learning with Partially Classified Training Data at the 22nd International Conference on Machine Learning (ICML'2005), Bonn, Germany, 2005.

²        Zhao Xu, Volker Tresp, Kai Yu, Shipeng Yu, and Hans-Peter Kriegel. Dirichlet Enhanced Relational Learning. In the 22nd International Conference on Machine Learning (ICML'2005), Bonn, Germany, 2005.

²        Kai Yu, Shipeng Yu, and Volker Tresp. Multi-Label Informed Latent Semantic Indexing. In the 28th Annual International ACM SIGIR Conference (SIGIR'2005), Salvador, Brazil, 2005.

²        Kai Yu, Shipeng Yu, and Volker Tresp. Multi-Output Regularized Projection. In the International IEEE Conference on Computer Vision and Pattern Recognition (CVPR’2005), San Diego, CA, 2005.

²        Kai Yu, Shipeng Yu, and Volker Tresp. Dirichlet Enhanced Latent Semantic Analysis. In the Tenth International Workshop on Artificial Intelligence and Statistics (AISTATS'2005), Barbados, 2005.

²        Kai Yu, Volker Tresp, and Shipeng Yu. A Nonparametric Hierarchical Bayesian Framework for Information Filtering. In the 27th Annual International ACM SIGIR Conference (SIGIR'2004), Sheffield, UK, 2004.

²        Deng Cai, Shipeng Yu, Ji-Rong Wen, and Wei-Ying Ma. Block-based Web Search. In the 27th Annual International ACM SIGIR Conference (SIGIR'2004), Sheffield, UK, 2004.

²        Ji-Rong Wen, Ruihua Song, Deng Cai, Kaihua Zhu, Shipeng Yu, Shaozhi Ye, and Wei-Ying Ma. Microsoft Research Asia at the Web Track of TREC 2003, In the Twelfth Text Retrieval Conference (TREC'12), 2003.

²        Deng Cai, Shipeng Yu, Ji-Rong Wen, and Wei-Ying Ma. VIPS: A Vision-based Page Segmentation Algorithm. Microsoft Technical Report, MSR-TR-2003-79, 2003.

²        Deng Cai, Shipeng Yu, Ji-Rong Wen, and Wei-Ying Ma. Extracting Content Structure for Web Pages based on Visual Representation. In the Fifth Asia Pacific Web Conference (APWeb’2003), Xi’an, China, 2003.

²        Shipeng Yu, Deng Cai, Ji-Rong Wen, and Wei-Ying Ma. Improving Pseudo-Relevance Feedback in Web Information Retrieval Using Web Page Segmentation. In the Twelfth International World Wide Web Conference (WWW’2003), Budapest, Hungary, 2003.

 

TALKS

²        Supervised Dimensionality Reduction with Principal Component Analysis. Microsoft Research Redmond, Jul. 2006.

²        Learning Non-parametric Priors from Multiple Tasks. OPEN HOUSE on Multi-Task and Complex Outputs Learning, UK, Jul. 2006.

²        Bayesian Web Ranking for Information Retrieval. Microsoft Research Cambridge, UK, Mar. 2006.

²        Collaborative Ordinal Regression. NIPS’05 Workshop on Learning to Rank, Dec. 2005.

²        A Probabilistic Clustering-Projection Model for Discrete Data. The 9th European Conference on Principles and Practice of Knowledge Discovery in Databases, Porto, Portugal, Oct. 2005.

²        TrueSkillTM Hits the Web: Bayesian Ranking Methods for Web Search. Intern Talk, Microsoft Research Cambridge, UK, Sep. 2005.

²        Multi-Label Informed Latent Semantic Indexing. The 28th Annual International ACM SIGIR Conference, Salvador, Brazil, Aug. 2005.

²        Dirichlet Enhanced Latent Semantic Analysis. Lernen, Wissensentdeckung und Adaptivität (LWA’04), Humboldt University, Berlin, Germany, Oct. 2004.

²        Enhancing Web Information Retrieval Using Web Page Segmentation. Siemens Corporate Technology, Munich, Germany, Nov. 2003.

²        Enhancing Web Information Retrieval Using Web Page Segmentation. Institute for Informatics, University of Munich, Munich, Germany, Oct. 2003.

 

TEACHING EXPERIENCE

9/2000 - 1/2002: Lecturer in School of Continuing Education, Peking University

²        Assembly Language, Autumn 2000 and Autumn 2001

9/2001 - 1/2003: Teaching Assistant in School of Mathematical Sciences, Peking University

²        Introduction to Database Systems, Autumn 2002

²        MATLAB System, Spring 2002

²        Statistical Computation, Autumn 2001

 

PATENTS

²        Collaborative Ordinal Regression. Filed November 2005, Siemens Corporate Technology.

²        Soft Clustering on Graphs. Filed October 2005, Siemens Corporate Technology.

²        Multi-Output Regularized Projection. Filed June 2005, Siemens Corporate Technology.

²        Dirichlet Enhanced Latent Semantic Analysis. Filed October 2004, Siemens Corporate Technology.

²        Vision-Based Document Segmentation. Filed July 2003, Microsoft Research Asia.

 

AWARDS AND HONORS

²        Student Travel Grant for KDD’2006

²        Student Travel Grant for ICML’2006

²        Best Paper Runner-Up & Best Student Paper Runner-Up Award in PKDD’2005

²        Student Travel Grant for SIGIR’2005

²        Student Travel Grant for ICML’2005

²        Attendee of Machine Learning Summer School (MLSS’2004), Berder, France, Sep. 2004

²        Student Travel Grant for SIGIR’2004

²        Siemens Doctoral Scholarship, Sep. 2003 - Aug. 2006

²        Outstanding Undergraduate Student of Beijing (<1%), 2000

²        Outstanding Undergraduate Student of Peking University (<2%), 2000

²        First Prize in National Mathematical Modeling Competition, 1999

²        Award for Excellent Student of Peking University, in three successive years 1997 - 1999

²        Scholarships, in three successive years 1997 - 1999

²        Rank 3 (4 is the best) in National Computer Rank Examination Certificate, 1998

²        First Prize in National Mathematics Competition for High School Students, 1995

 

COMPUTER SKILLS

Languages mastered: C, C++, Java, MATLAB, .NET, Perl, Maple

Systems experienced: MS Windows, Linux

 

OTHERS

²        Fluent in Chinese and English. Read German and French

²        Master accordion. Degree 5 (out of 10) in the National Accordion Certificate

²        Enjoy badminton, table tennis, swimming, traveling and reading

 

REFERENCES

Available upon request.