Publication

Publication

Acknowledgement of Support

NSF grant CMMI-0800575 (07/2008-06/2011)

NSF grant DMS-0606577 (07/2006-06/2010)

Greek General Secretariat for Research and Technology Program Award (12/2005-11/2007)

UNC-CH Junior Faculty Development Award (01/2008-12/2008)

UNC-CH University Research Council Award (05/2005-04/2007)

Refereed Journal Publications

2009

Jianhua Z. Huang, Haipeng Shen, Andreas Buja (2009)
The Analysis of Two-Way Functional Data Using Two-Way Regularized Singular Value Decompositions, Journal of the American Statistical Association, accepted. (online supplement)
Haipeng Shen (2009)
On Modeling and Forecasting Time Series of Curves, Technometrics, 51, 227-238.
Mihee Lee, Haipeng Shen, Christina Burch, J. S. Marron (2009)
Deconvolution Estimation of a Mixture Distribution Motivated by Mutation Effect Distributions, Journal of Nonparametric Statistics, accepted.
Farhad Shafti, Tim Bedford, Léa Deleris, Jonathan Hosking, Nicoleta Serban, Haipeng Shen, Lesley Walls (2009)
Service Operations Classification for Risk Management, IBM Journal of Research and Development, accepted.

2008

Ping Bai, Haipeng Shen, Xuemei Huang, Young Truong (2008)
A Supervised Singular Value Decomposition for Independent Component Analysis of fMRI, Statistica Sinica, 18, 1233-1252. (online supplement)
Earlier versions of this paper won the student paper competition awards at the 2006 ENAR Annual Meeting and the 2007 ICSA Applied Statistics Symposium.
Jianhua Z. Huang, Haipeng Shen, Andreas Buja (2008)
Functional Principal Component Analysis via Regularized Best Basis Approximation, Electronic Journal of Statistics, 2, 678-695.
Haipeng Shen, Jianhua Z. Huang (2008)
Sparse Principal Component Analysis via Regularized Low Rank Matrix Approximation, Journal of Multivariate Analysis, 99, 1015-1034. (software)
Haipeng Shen, Jianhua Z. Huang (2008)
Interday Forecasting and Intraday Updating of Call Center Arrivals, Manufacturing & Service Operations Management, 10, 391-410. (software)
Haipeng Shen, Jianhua Z. Huang (2008)
Forecasting Time Series of Inhomogeneous Poisson Processes with Applications to Call Center Workforce Management, The Annals of Applied Statistics, 2, 601-623.
Haipeng Shen, Zhengyuan Zhu (2008)
Efficient Mean Estimation in Log-normal Linear Models, Journal of Statistical Planning and Inference, 138, 552-567.

2007

Lingsong Zhang, J. S. Marron, Haipeng Shen, Zhengyuan Zhu (2007)
Singular Value Decomposition and Its Visualization, Journal of Computational and Graphical Statistics, 16, 833-854.
An earlier version of this paper won the 2005 student paper competition award of the ASA Sections on Statistical Computing and Graphics.
Christina L. Burch, Sebastien Guyader, Daniel Samarov, Haipeng Shen (2007)
Experimental Estimate of the Abundance and Effects of Nearly Neutral Mutations in an RNA Virus, Genetics, 176, 467-476. (Featured in the Issue Highlights for May 2007)
Haipeng Shen, Zhengyuan Zhu, Thomas Lee (2007)
Robust Estimation of the Self-similarity Parameter in Network Traffic using Wavelet Transform, Signal Processing, 87, 2111-2124. (online supplement)

2006

Haipeng Shen, Lawrence D. Brown, Hui Zhi (2006)
Efficient Estimation of Log-normal Means with Application to Pharmacokinetic Data, Statistics in Medicine, 25, 3023-3038.
Haipeng Shen, Lawrence D. Brown (2006)
Nonparametric Modelling of Time-varying Customer Service Times at a Bank Call Center, Applied Stochastic Models in Business and Industry, 22, 297-311.

2005

Haipeng Shen, Jianhua Huang (2005)
Analysis of Call Center Arrival Data Using Singular Value Decomposition, Applied Stochastic Models in Business and Industry, 21, 251-263.
Lawrence D. Brown, Noah Gans, Avishai Mandelbaum, Anat Sakov, Haipeng Shen, Sergey Zeltyn, Linda H. Zhao (2005)
Statistical Analysis of a Telephone Call Center: A Queueing-Science Perspective, Journal of the American Statistical Association, 100, 36-50. (longer version)

2004

Refereed Conference Proceedings

2007

Merkouris Karaliopoulos, Maria Papadopouli, Elias Raftopoulos, Haipeng Shen (2007)
On Scalable Measurement-Driven Modeling of Traffic Demand in Large WLANs, 15th IEEE Workshop on Local and Metropolitan Area Networks (LANMAN 2007), pages 1-7, Princeton, New Jersey, June 10-13, 2007. (invited paper)
Haipeng Shen, Jianhua Z. Huang, Chihoon Lee (2007)
Forecasting and Dynamic Updating of Uncertain Arrival Rates to a Call Center, IEEE/INFORMS International Conference on Service Operations and Logistics, and Informatics, pages 50-55, Philadelphia, Pennsylvania, August 27-29, 2007.

2006

Cheolwoo Park, Haipeng Shen, Felix Hernandez-Campos, J. S. Marron, Darryl Veitch (2006)
Capturing the Elusive Poissonity in Web Traffic, 14^th Annual Meeting of the IEEE International Symposium on Modeling, Analysis and Simulation of Computer and Telecommunication Systems (MASCOTS06), Monterey, California, September 11-13, 2006.
Felix Hernandez-Campos, Merkouris Karaliopoulos, Maria Papadopouli, Haipeng Shen (2006)
Spatial-Temporal Modeling of Traffic Workload in a Campus WLAN, Second Annual International Wireless Internet Conference (WICON06), Boston, USA, August 2-5, 2006. (acceptance percentage 27%)
Maria Papadopouli, Elias Raftopoulos, Haipeng Shen (2006)
Evaluation of Short-term Traffic Forecasting Algorithms in Wireless Networks, 2nd Conference on Next Generation Internet Design and Engineering (NGI2006), Valencia, Spain, April 3-5, 2006. (125 paper submissions, acceptance percentage 24%)

2005

Maria Papadopouli, Haipeng Shen, Manolis Spanakis (2005)
Modeling Client Arrivals at Access Points in Wireless Campus-wide Networks, 14th IEEE Workshop on Local and Metropolitan Area Networks (LANMAN 2005), Chania, Crete, September 18-21, 2005. (ranked fourth best paper in the reviewing process)
Maria Papadopouli, Haipeng Shen, Elias Raftopoulos, Manolis Ploumidis, Felix Hernandez-Campos (2005)
Short-term Traffic Forecasting in a Campus-wide Wireless Network, 16th Annual IEEE International Symposium on Personal Indoor and Mobile Radio Communications (PIMRC), Berlin, September 11-14, 2005.
Jeff Terrell, Lingsong Zhang, Kevin Jeffay, Andrew Nobel, Haipeng Shen, F. Donelson Smith, Zhengyuan Zhu (2005)
Multivariate SVD Analyses for Network Anomaly Detection, ACM SIGCOMM Refereed Poster Proceedings, Philadelphia, US, August 22-26, 2005.
Maria Papadopouli, Haipeng Shen, Manolis Spanakis (2005)
Characterizing the Duration and Association Patterns of Wireless in a Campus, 11th European Wireless Conference (EW), Nicosia, Cyprus, April 10-13, 2005.