I am Haohan Zhu, an Engineering Manager at Facebook. Prior to joining Facebook, I received my PhD degree from Computer Science Department of Boston University. My PhD advisor is Professor George Kollios.

My research interests include: Database System, Indexing and Querying, Data Mining, Similarity Learning, Graph Theory, Time-series Analysis, Security and Data Privacy

My [Google Scholar] / [DBLP]

Work Exp:

Feb.2020 - Now
Facebook, Inc.
Live Ranking & Distribution
Engineering Manager

Aug.2019 - Jan. 2020
Facebook, Inc.
Video Ranking & Distribution
Staff Research Scientist

Aug.2018 - Jul. 2019
Facebook, Inc.
Video Growth Ranking
Senior Research Scientist

Aug.2016 - Jul. 2018
Facebook, Inc.
People Search and Discovery
Research Scientist

May.2014 - Aug.2014
NEC Labs America
Research Intern
Mentor: Fengyuan Xu and Nitin Agrawal

Education Exp:

Aug.2010 - May.2016
Data Management Group, Department of Computer Science, Boston University
Ph.D in Computer Science
Advisor: George Kollios
Ph.D Dissertation: Sequence Queries on Temporal Graphs.

Aug.2007 - Jul.2010
Institute of Computing Technology, Shenzhen Institute of Advanced Technology
Chinese Academy of Sciences
M.E in Computer Science and Technology
Advisor: Jianping Fan

Aug.2003 - Jul.2007
Department of Electronic Engineering, Tsinghua University
B.E in Electronic Science and Technology
Advisor: Yanbiao Liao


[1] Haohan Zhu, Xianrui Meng, George Kollios. NED: An Inter-Graph Node Metric Based On Edit Distance. PVLDB 10(6), 2017.

[2] Haohan Zhu, Fengyuan Xu, George Kollios. LiTe-Graph: A Lightweight Engine for Temporal Subgraph Queries. to be on eprint arXiv. 2016.

[3] Xianrui Meng, Haohan Zhu, George Kollios. Secure Top-k Query Processing on Encrypted Databases. ICDE 2018: 353-364.

[4] Haohan Zhu, Xianrui Meng, George Kollios. Privacy Preserving Similarity Evaluation of Time Series Data. EDBT 2014: 499-510.

[5] Haohan Zhu, George Kollios, Vassilis Athitsos. A Generic Framework for Efficient and Effective Subsequence Retrieval. PVLDB 5(11):1579-1590, 2012.

[6] Haohan Zhu, Jun Luo, Hang Yin, Xiaotao Zhou, Joshua Zhexue Huang, F. Benjamin Zhan. Mining Trajectory Corridors Using Frechet Distance and Meshing Grids, PAKDD 2010, LNCS 6118, 228-237

[7] Zhu Haohan, Qin Haikun, Zhang Min, Lai Shurong, Liao Yanbiao. Peak-Detection Algorithm in the Demodulation for the Fiber Bragg Grating Sensor System[J]. Chinese Journal of Lasers, 2008, 35(6): 893~897

Research Portfolio


The Hariri Award for Innovative Computing Models, Algorithms, and Systems in 2012.
[ News ]    [ Poster ]


External Reviewer:
  • SIGMOD: 2016, 2015, 2014
  • VLDB 2015, 2014, 2013
  • ICDE: 2016, 2015, 2014
  • EDBT: 2016
  • KDD: 2015, 2014
  • WSDM: 2014, 2013

Contact Me:

  • Address: 1101 Dexter Avenue N, Seattle, WA, 98109, U.S.
  • Email: zhuhaohan at fb dot com