Wen Liu

Worcester Polytechnic Institute · (774) 420-8360 · wliu3@wpi.edu

Creative Ph.D. candidate with unyielding self-motivation; research experiences in Mixed Integer Programming, Operation Research, User Experience, Decision Support Systems; proficient in data science techniques: machine learning and data mining; strong academic training in statistics, big data management, technical writing.

Education

Ph.D. Candidate in Data Science

Data Science Program
Worcester Polytechnic Institute, Worcester, Massachusetts, United States

Ph.D. Advisors: Dr. Andrew C. Trapp, Dr. Soussan Djamasbi
Dissertation Committee: Dr. Jian Zou (WPI), Dr. W. Art Chaovalitwongse (University of Arkansas)

January 2016 - Present

M.S., Electrical and Computer Engineering

Department of Electrical and Computer Engineering
Worcester Polytechnic Institute, Worcester, Massachusetts, United States

August 2013 - December 2015

B.S., Detection Guidance and Control Technology

School of Astronautics
Beihang University, Beijing, China

September 2009 - July 2013

Publications

Refereed Journal Articles

A. C. Trapp, W. Liu, S. Djamasbi, "Identifying Fixations in Gaze Data via Inner-Density and Optimization," accepted for publication, INFORMS Journal on Computing.

Refereed Conference Publications

W. Liu, S. Djamasbi, A. C. Trapp, M. Shojaeizadeh, "Measuring Focused Attention Using Fixation Inner-Density," Human-Computer Interaction International Conference 2018 (HCII2018).

Selected Working Papers

W. Liu, A. C. Trapp, S. Djamasbi, "Advance in Density-Based Gaze Fixation Identification: Optimization for Outlier Sensitivity," Target Outlet: Computers & Operations Research.

W. Liu, A. C. Trapp, S. Djamasbi, "Automatic Parameter Tuning for Optimization and Inner-Density Based Fixation Identification Algorithm," Target Outlet: ACM Symposium on Eye Tracking Research & Applications.

W. Liu, S. Djamasbi, A. C. Trapp, "A Real-Time System for Density-Based Fixation Detection with User Feedback," Target Outlet: Decision Support Systems.

Patents

Fixation Identification Using Density Optimization (App/Pub Number: US20180032816A1).

Skills

Programming Languages

Python, SAS, R, MATLAB, SQL, C#, Scala

Databases & Management

Hadoop, Spark, MongoDB, HBase, Pig, MySQL

Tools & Systems

SPSS, RapidMiner, MicrosoftExcel, Word, PowerPoint, Gurobi Optimization, CPLEX Ortimizer, AWS, Google Cloud Platform, Elasticsearch, Git, LaTeX, Windows, LINUX

Awards

  • Outstanding Teaching Assistant Award, Data Science Program, Worcester Polytechnic Institute, 2018.