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Yifei Liu

Ph.D. Student of Computer Science

Stony Brook University

Biography

I am Yifei Liu, a first-year Ph.D. student (starting from Fall 2019) in Computer Science at Stony Brook University. Currently, I am working with Prof. Erez Zadok in File systems and Storage Lab (FSL). I am broadly interested in file/storage systems and operating systems. Also, I am very excited and motivated by the prospect of applying machine learning, mathematical models and heuristic algorithms to optimizing and understanding computer systems.

Prior to my Ph.D. journey, I was a Master’s student and Research Assistant at Wuhan National Laboratory for Optoelectronics (Information Storage Division), Huazhong University of Science and Technology, where I conducted research on performance improvement for content-based semantic queries in storage systems.

Interests

  • File/Storage Systems
  • Operating Systems
  • Machine Learning for Systems

Education

  • Ph.D. in Computer Science, 2019 - Current

    Stony Brook University, New York

  • M.Sc. in Computer System Architecture, 2016 - 2019

    Huazhong University of Science and Technology

  • B.Eng. in Computer Science and Technology, 2012 - 2016

    Huazhong Agricultural University

Experience

 
 
 
 
 

Teaching Assistant

Department of Computer Science, Stony Brook University

Sep 2019 – Present Stony Brook, New York

TA for CSE376 Advanced Systems Programming in Unix/C. (Spring 2020)

TA for CSE306 Operating Systems. (Fall 2019)

 
 
 
 
 

Research Assistant

Wuhan National Laboratory for Optoelectronics

Sep 2016 – Jun 2019 Wuhan, Hubei, China
Built a metadata system to achieve high-precision and low-latency semantic queries in storage systems.
 
 
 
 
 

Backend Developer Intern

Tencent

Dec 2015 – Aug 2016 Shenzhen, Guangdong, China
Predicted disk failures using machine learning in cloud systems.

Projects

SwiftGraph

SwiftGraph is a system middleware for enabling accurate and fast semantic queries in storage systems through deep hashing

Dark Data Assessment

Semantic Hash Rank of Graphs for Assessing Image “Dark Data”

Disk Failure Prediction

Disk Failure Prediction in Tencent Cloud via Machine Learning (Internship at Tencent)

Bayesian Network Reasoning

Web Service Recommendation Using Bayesian Network Reasoning

Line Detection for Plant Images

Automatic Measurement of Character Parameters of the Rapeseed Plant via Image Line Detection

Publications

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A Framework for Image Dark Data Assessment

Analysis and Management to Hash-Based Graph and Rank

Research of Web Service Recommendation Using Bayesian Network Reasoning

A new line detection algorithm - Automatic measurement of character parameter of rapeseed plant by LSD

Selected Awards

Best Paper Runner-Up

Outstanding Graduate

Outstanding Graduate

Finalist of Interdisciplinary Contest in Modeling

Winning rate: 52/9773 ~0.53%, See this Chinese Report about this award on Changjiang Daily

First Prize of National Postgraduate Mathematic Contest in Modeling

Won best award of this contest, winning rate: 120/4900 ~2.4%

First Prize of Contemporary Undergraduate Mathematical Contest in Modeling

Won best award of this contest, winning rate: 293/22233 ~1.3%

Resources

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