Education

University of California, Santa Barbara, CA


National Chiao Tung University, Hsinchu, Taiwan

  • M.S. in Computer Science, Jun. 2004
    • Thesis: An Agent-based System for Improving QoS over Wireless Networks
    • GPA: 4.0/4.0
  • B.S. in Computer Science, Jun. 2001
    • Graduation Project: Integrated Network Security Protection System
    • GPA: 3.9/4.0
Research Experience

4/2007 – present   Research Intern, Google

  • Research intern of Intelligent Information team.
  • Performed research and implementations on latent aspect models, including probablisitic graphical models and spectral clustering. Proposed and parallelized Combinational Collaborative Filtering (CCF) model for personal community recommendation using Orkut data. Investigated the speedup issue in parallel spectral clustering and performed experiments on large scale data such as Picasa image data.
  • Supervisor: Dr. Edward Y. Chang
  • Mentor: Dr. Dong Zhang

7/2006 – 9/2006     Summer Intern, NEC Lab America

  • Research intern of Adaptive Information and Knowledge Organization (AIKO).
  • Analyzed personal email and daily browsing behavior to discover novel information to match friends' interests. Completed framework design and module implementations (Java Eclipse) of the project: Sharing novel information in personal social networks. Research on ego-centric social network, user modeling, and novelty detection.
  • Supervisor: Dr. Belle L. Tseng

6/2005 – 9/2005     Summer Intern, IBM

  • Software intern of Pervasive Computing (PvC) department.
  • Developed J2EE application to automate unit/functional tests on IBM Web Everyplace Acess (WEA). Designed detection module of garbage characters to provide multi-language support for IBM WebSphere product. Studied automation tools on handheld devices.
  • Supervisor: Lily Chen

1/2006 – present   Graduate Student Researcher, Multimedia Database Lab, UCSB

  • Member of Multimedia Database Lab.
  • Work on several research projects: (1) Analyze the collected datasets to discover the relation between eigen-gaps in the similarity matrices and clustering quality, (2) Fotofiti: automate semantic annotation of digital photos based global features from context and content, (3) Fotowiki: integrate visual and textual information with map on a wiki-based platform. (4) Social network analysis and novelty detection.
  • Advisor: Professor Edward Y. Chang

9/2002 – 6/2004      Graduate Student Reasearcher, NCTU

  • Member of Multimedia Communication Lab and Hewlett-Packard sponsored project (e-NCTU: A 21st Century Mobile Campus).
  • Studied packet classification and fast address look supporting IPv6. Research on routing scheme for seamless handover in mobile network. Designed and implemented an agent-based mechanism for improve quality of service over wireless networks using C++ and NS-2.
  • Completed framework design and development of e-ticketing system. Integrated system with short message service (SMS) to provide ticketing service and deployed multimedia news web server/streaming services.
  • Advisor: Professor Yaw-Chung Chen

7/2000 – 6/2001      Undergraduate Student Researcher, NCTU

  • Member of network security research project (Integrated Network Security Protection System).
  • Analyzed network protocols' vulnerabilities and studied intrusion detection systems (IDS). Completed the framework design and development of Auto Patching System and Remote Scanner. The entire system is written in C++/Perl/Tcl/Tk, and can be run on Linux and MS-Windows. This work received Research Creativity Award from National Science Council.
  • Advisor: Professor Shiuh-Pyng Shieh
Teaching Experience

9/2004 – 6/2006     Teaching Assistant, UCSB

  • Led weekly discussion sections, prepared/graded homework, and held office hours.
    • ECE160    Advanced Algorithms for Multimedia Computing [TA page], Spring 2006
    • CS10        Computer Programming [TA page], Spring 2006
    • CS5JA       Introduction to Computer Programming [TA page], Winter 2006
    • ENGR2     Programming Concepts [TA page], Fall 2005
    • CS170      Operating Systems [TA page], Spring 2005
    • CS10        Computer Programming, Winter 2005
    • CS170      Operating Systems, Fall 2004

12/2002 – 8/2004   Academy Instructor, Cisco Academy Training Center

  • Led classes and hands-on labs of router/switch.
  • CCNA courses: (1) Orientation, (2) CCNA1: Networking Basis, (3) CCNA2: Routers and Routing Basics, (4) CCNA3: Switching and Intermediate Routing, (5) CCNA4: WAN technologies.

9/2002 – 8/2004     Teaching Assistant, NCTU

  • Prepared/graded assignments, and held office hours for CS1648: Programming Language.
  • Built up IPv6 tunnel broker for TANet (Taiwan Academic Network) IPv6 testing bed. Developed web application faciliating e-document management.
Publications

Journal Papers

  • An Agent-Based Metric for Quality of Services over Wireless Networks
    Yaw-Chung Chen, Wen-Yen Chen
    Journal of Systems and Software (JSS), Vol. 81 (2008) 1625-1639.
    [PDF (1.3MB)]

Conference Papers

  • Parallel Spectral Clustering
    Yangqiu Song, Wen-Yen Chen, Hongjie Bai, Chih-Jen Lin, Edward Chang
    European Conference on Machine Learning and Principles and Practice of Knowledge Discovery in Databases
    (ECML/PKDD)
    Antwerp, Belgium, September 2008 (18% accepted).
    Also appears in Lecture Notes in Computer Science, Vol. 5212, p. 374-389, 2008.
    [PDF (4.4MB)]


  • Combinational Collaborative Filtering for Personalized Community Recommendation
    Wen-Yen Chen, Dong Zhang, Edward Chang
    ACM SIGKDD Int'l Conference on Knowledge Discovery and Data Mining (KDD)
    Las Vegas, NV, August 2008 (10% accepted).
    [PDF (473KB)]


  • The Splog Detection Task and A Solution Based on Temporal and Link Properties
    Y.-R. Lin, W.-Y. Chen, X. Shi, R. Sia, X. Song, Y. Chi, K. Hino, H. Sundaram, J. Tatemuran, B. Tseng
    The Fifteenth Text REtrieval Conference Proceedings (TREC)
    Gaithersburg, MD, November 2006.
    [PDF (789KB)]


  • A Scalable Service for Photo Annotation, Sharing, and Search
    Ben Lee, Wen-Yen Chen, Edward Chang
    ACM Int'l Conference on Multimedia (MM)
    Santa Barbara, CA, October 2006.
    [PDF (4.0MB)]


  • Fotowiki - Distributed Map Enhancement Service
    Wen-Yen Chen, Ben Lee, Edward Chang
    ACM Int'l Conference on Multimedia (MM)
    Santa Barbara, CA, October 2006.
    [PDF (1.9MB)]


  • Fotofiti: Web Service for Photo Management
    Ben Lee, Wen-Yen Chen, Edward Chang
    ACM Int'l Conference on Multimedia (MM)
    Santa Barbara, CA, October 2006.
    [PDF (262KB)]


  • An Agent-Based Metric for Quality of Services over Wireless Networks
    Wen-Yen Chen, Yaw-Chung Chen
    Nonimated for Best Paper Award
    IEEE Int'l Computer Software and Applications Conference (COMPSAC)
    Chicago, IL, September 2006.
    [PDF (632KB)]

Thesis Work and Technical Reports

  • An Agent-based System for Improving Quality of Service over Wireless Networks
    Wen-Yen Chen
    M.S. Thesis, National Chiao Tung University (NCTU), June 2004.


  • Fotofiti: Goals, Functionalities, and Research Challenges
    B. Lee, Z. Davis, W.-Y. Chen, A. Qamra, E. Y. Chang
    UCSB Technical Report, March 2006.


  • Study and Design of Fast Address Lookup Scheme Supporting IPv6 Protocol
    Yaw-Chung Chen, Yi-Cheng Chan, Kuo-Chen Kuo, Wen-Yen Chen
    NCTU Technical Report/NSC-90-2213-E-009-167, June 2002.


  • Integrated Network Security Protection System
    Wen-Yen Chen
    Research Creativity Award
    NCTU Technical Report/NSC-89-2815-C009-051R-E, April 2001.

Honors and Awards
  • ACM Student Travel Award in ACM SIGKDD, 2008
  • Doctoral Student Travel Grant, University of California Santa Barbara, 2008
  • Graduate Fellowship, University of California Santa Barbara, 2004
  • Graduate Fellowship, National Science Council of Taiwan, 2002
  • Research Creativity Award, National Science Council of Taiwan, 2001
  • Bronze Prize, Research and Development Contest, NCTU, 2001
  • Undergraduate Fellowship, National Science Council of Taiwan, 2000
  • Rank 4th, Nationwide Hackers' Competition, Accton corp., 2000
  • Pan Wen-Yuan Scholarship, Pan Wen-Yuan Foundation, 1999
  • Academic Achievement Award, NCTU (Top 3% student), 1999
  • Academic Achievement Award, NCTU (Top 3% student), 1998
Qualifications
  • Cisco Certified Academy Instructor, Cisco Systems, 2003
  • Cisco Certified Network Associate, Cisco Systems, 2003
Professional Services
  • External Reviewer:
    • Very Large Data Base (VLDB), 2008
    • Multimedia System Journal (MMSJ), 2007, 2008
    • ACM Multimedia (MM), 2007, 2008
    • ACM Conf. on Information and Knowledge Management (CIKM), 2008
    • IEEE Communications Magazine, 2007
    • IEEE Transactions on Knowledge and Data Engineering (TKDE), 2007
  • Student Volunteer:
    • ACM Multimedia (MM), 2006
  • Membership:
    • Society for Industrial and Applied Mathematics (SIAM)
Skills
  • C/C++, Java, MATLAB, Perl, MySQL, PHP, HTML, Cg/OpenGL, Script Languages.
  • Linux/UNIX, MS-Windows.