RESUME
Name: Yu, Kai
Birth: Jiangxi, China, Nov. 4th,
1976
Post:
Stemplingeranger 17, 81737
Munich, Germany
Email: [email protected],
[email protected]
Home Page:
http://www.dbs.informatik.uni-muenchen.de/~yu_k/
EDUCATION
Oct.
2000-present, Institute for Computer Science, University of Munich,
Germany
PhD
student supported by Siemens Scholarship, Research interest in Statistical
Machine Learning,
Data Mining, and
Information Retrieval
Supervisor: Prof. Dr. Hans-Peter Kriegel, Dr. Volker Tresp
Sep.1998-June
2000, Dept. of Electrical Science
and Engineering, Nanjing University, China
Master of Science (GPA 93/100), in Speech Signal Processing, Supervisor:
Prof. Boling Xu
Sep.1994-June
1998, Dept. of Electrical Science
and Engineering, Nanjing University, China
Bachelor of Science (GPA 88/100), in
Electrical and Information System
PROFESSIONAL
EXPERIENCES
Oct.
2000-present, Full-time guest research scientist,
Siemens Corporate Technology, Munich
Aug. 2002-Sep.
2002, Visiting student, media
management group at Microsoft Research Asia, Beijing
Sep.1998-June
2000, Research
assistant at speech lab of National Key Lab of Modern Acoustics, Nanjing
University
RESEARCH
INTERESTS
l
Statistic machine learning, data mining and
information retrieval
l
Hidden variable analysis using Baysian
inference for medical/clinical data analysis
l
Intelligent text and image retrieval (hybrid
supervised / unsupervised learning, active learning, and database issues)
l
Collaborative filtering with applications in
recommender systems
l
Robust speech signal processing
HONORS
AND AWARDS
l
Siemens Doctoral Scholarship, Nov. 2000-Oct. 2003
l
Siemens Asia-Pacific Scholarship, April 2000 (8 students received this
honor in China that year)
l
Best Paper Award, the 9th National Conference of Signal
Processing, Beijing, China, Oct.1999
l
Chinese Excellent Graduate Student Prize (1999), National Ministry of
Education, China
l
Taiwan Bopo Research Award, first prize 1999, second prize 2000
l
Admission to the Graduate School at Nanjing University with a waiver of
the National Graduate Admission Test, Sep.1998
(normally
top 5% students in Nanjing University received this honor)
l
Third Prize in the “Challenge Cup”, i.e. the National Contest of
Extracurricular Academic Works of University Students, 1997.
l
First Prize in the Contest of Extracurricular Academic Works of
Students at Nanjing University, 1997 (7 students among over
13,000 students of
Nanjing University were awarded this prize)
l
C. S. Wu Scholarship, 1996 (This is a scholarship created in
recognition of the outstanding achievement of Nanjing University
alumna Dr. Chien
Shiung Wu, a famous physicist and a former Chairman of the Physics Academy of
United States. Only 5
students among
13,000 students are awarded this scholarship each year.)
l
People Scholarship (4 times), Nanjing University, 1994 - 1998
l
Admission to Nanjing University with a waiver of the National Entrance
Examination for Universities, Sep.1994
JOURNAL PUBLICATIONS
1.
K. Yu, A. Schwaighofer, V.
Tresp, X. Xu, and H.-P. Kriegel, “Probabilistic Memory-Based Collaborative Filtering”, to
appear in IEEE
Transactions on Knowledge & Data Engineering (TKDE),
special issue on Mining and Searching the Web, 2003.
(7 out of 61
submissions, 11.5% accepted)
2.
K. Yu, X. Xu, M. Ester, and
H.-P. Kriegel, "Feature Weighting and Instance Selection for Collaborative
Filtering: An Information-
Theoretic
Approach", Knowledge and Information Systems (KAIS), an
international journal, Springer, Vol. 5, No. 2, April, 2003.
3.
K. Yu, B. Xu, M. Dai, and C. Yu, “Iterative Speech Separation
Controlled by Difference Phase-Correlation-Based Criterion
Function,” Journal
of the Acoustics Society of China, Vol.04, 2001.
4.
K. Yu, M. Dai, B. Xu, Y. Fang, and C. Yu “Separation of Co-talker Signals Using Iterative Wiener Filter,”
the 9th National Conference
of Signal
Processing (Best Paper Award), Journal of the Signal Processing Society of
China, Vol.15, 1999
INTONATIONAL
CONFERENCE PROCEEDINGS
5.
K. Yu, W.-Y. Ma, V. Tresp, Z. Xu, X. He, H.J. Zhang and H.-P. Kriegel,
“Knowing a Tree from the Forest: Art Image Retrieval
using a Society of
Profiles”, in Proceedings of 11th ACM International Conference on
Multimedia, 2003. (Oral presentation,
acceptance rate 16.9%)
6.
K. Yu, A. Schwaighofer, V. Tresp, W.-Y. Ma, and H. Zhang:
"Collaborative Ensemble Learning: Combining Collaborative and
Content-Based
Information Filtering via Hierarchical Bayes", in Proceedings of 19th
International Conference on Uncertainty
in Artificial Intelligence (UAI'03),
Acapulco, Mexico, August 7-10, 2003. (Plenary oral presentation, acceptance
rate 10.9%)
7.
Z. Xu, X. Xu, K. Yu and V. Tresp: "A Hybrid Relevance-Feedback
Approach to Text Retrieval", 25th European Conference
on Information Retrieval Research (ECIR'03), Lecture
Notes in Computer Science, Springer, Pisa, Italy - April 14-16, 2003
(Oral
presentation, acceptance rate 30%)
8.
Z. Xu, K. Yu V. Tresp, X. Xu, and J. Wang: "Representative
Sampling for Text Classification using Support Vector Machines",
25th European
Conference on Information Retrieval Research (ECIR'03), Lecture Notes
in Computer Science, Springer, Pisa,
Italy - April
14-16, 2003 (Oral presentation, acceptance rate 30%)
9.
K. Yu, X. Xu, A. Schwaighofer and H.-P. Kriegel: "A
Likelihood-Based Approach to Data Selection for Collaborative Filtering",
ACM 11th
International Conference on Information and Knowledge Management (CIKM'02),
November 2002, McLean, VA,
ACM Press (Oral presentation,
acceptance rate 25%)
10. K. Yu, X. Xu, J.
Tao, M. Ester and H.-P. Kriegel "Instance Selection Techniques for
Memory-Based Collaborative Filtering",
Second SIAM International
Conference on Data Mining (SDM'02), April 2002, Arlington, VA, USA (Oral
presentation, acceptance
rate 13.6%)
11. K. Yu, X. Xu, M.
Ester, and H.-P. Kriegel "Selecting Relevant Instances for Efficient and
Accurate Collaborative Filtering", ACM
10th International
Conference on Information and Knowledge Management (CIKM'01), November 2001,
Atlanta, Georgia,
ACM Press (Oral
presentation, acceptance rate 25%)
12. K. Yu, Z. Wen, X.
Xu and M. Ester: "Feature Weighting and Instance Selection for
Collaborative Filtering". 2nd International
Workshop on
Management of Information on the Web - Web Data and Text Mining (MIW'01), in
conjunction with the 12th International
Conference on Database and Expert Systems
Applications (DEXA'01), September 2001. Munich, Germany, IEEE Computer Society.
13. Y. Gao, J. Lu, K.
Yu, and B. Xu, “Iterative Noise Cancellation with Applications to Speech
Enhancement”, in Proc. of the 26th
IEEE Conf. on
Acoustics, Speech and Signal Processing (ICASSP'01), vol. 1, 2001,
Salt Lake City, USA, 2001
14. K. Yu, B. Xu, M. Dai,
and C. Yu “Suppressing Cocktail Party Noise for Speech Acquisition,” The 5th
International Conference
on Signal
Processing (ICSP), Aug. 21-25, 2000, Beijing China.
15. M. Dai, K. Yu, B.
Xu, and C. Yu “Low SNR Robust Chinese
Tone Extraction Based on Human Auditory Model,” The 5th
International
Conference on Signal Processing (ICSP), Aug. 21-25, 2000, Beijing China.
SUBMITTED
PAPERS
16. K. Yu, V. Tresp,
A. Schwaighofer, “A Generalized Principal Component Analysis for Mixed Data”,
submitted to NIPS, 2003.
17. V. Tresp, K. Yu,
A. Schwaighofer, “An Infinite-Dimensional Multinomial Model with Applications
to Hierarchical Bayes”,
submitted to NIPS.
HOBBIES
Painting,
Badminton, Traveling
REFERENCE
Available upon request