I am a 4th-year PhD student in the Information Retrieval group and Data System group of the David R. Cheriton School of Computer Science at the University of Waterloo since 2015. My supervisors are Mark D. Smucker and Gordon V. Cormack. I am also working closely with Jimmy Lin, Maura Grossman, and Charlie Clarke.
My research interests include Information Retrieval, NLP, and Machine Learning (especially active learning and deep learning). My current research focus is on building a High-Recall-Information-Retrieval (HRIR) system to improve the efficiency and effectiveness of relevant document retrieval[4,5,6,11,12,14]. Another part of my research is investigating user behavior data from search logs. I am also working on deep neural network and trying to apply it on solving Question Answering and Ad-Hoc search problems [3,8,9,10].
Before studying at University of Waterloo, I studied at Harbin Institute of Technology. I have studied and/or worked in Canada, USA, France, and Italy for more than three months.
Software Engineer Intern at Wish, Toronto. May.2018 - Aug.2018Product Boost - Ads prediction and ranking. Deep learning on recommendation system.
Research Intern at Oracle Lab, MA, USA. Jun.2016 - Aug.2016Learning to rank for eCommerce Search.
Software Engineer Intern at Adobe Systems (Beijing). Oct.2011 - July.2012TaaS System Implementation [Bachelor Thesis]
The code for High-Recal Information Retrieval system is now public: HiCAL. July, 2018.
Join Wish as a software engineer intern. Working on machine learning methods for solving eCommerce problems. Apirl, 2018.
Pass the PhD Comp2 examination [proposal], now a PhD candidate. April, 2018.
Present user requery behaviour work  at CHIIR 2018 [New Jersey]. Mar, 2018.
Talk about High-Recall-Information-Retrieval work with Google Cloud Team [Mountain View]. Dec, 2017.
 "Evaluating Sentence-Level Relevance Feedback for High-Recall Information Retrieval", Arxiv
Haotian Zhang, Gordon Cormack, Maura Grossman and Mark Smucker
 "UWaterlooMDS at the TREC 2017 Common Core Track", TREC 2017
Haotian Zhang, Mustafa Abualsaud, Nimesh Ghelani, Angshuman Ghosh, Mark Smucker, Gordon Cormack and Maura Grossman
 "Integrating Lexical and Temporal Signals in Neural Ranking Models for Searching Social Media Streams", SIGIR Neu-IR 2017
Jinfeng Rao, Hua He, Haotian Zhang, Ferhan Ture, Royal Sequiera, Salman Mohammed, and Jimmy Lin
 "Exploring the Effectiveness of Convolutional Neural Networks for Answer Selection in End-to-End Question Answering", SIGIR Neu-IR 2017
Royal Sequiera, Gaurav Baruah, Zhucheng Tu, Salman Mohammed, Jinfeng Rao, Haotian Zhang, and Jimmy Lin.
Robin Cohen, Alan Tsang, Krishna Vaidyanathan, and Haotian Zhang
Gaurav Baruah, Haotian Zhang, Rakesh Guttikonda, Jimmy Lin, Mark D. Smucker and Olga Vechtomova
Haotian Zhang, Jimmy Lin, Gordon Cormack, Mark Smucker
Haotian Zhang and Shu Liu
A System for Efficient High-Recall Retrieval.Code for the HiCAL
Castorini: Deep Neural Network Frameworks for Question AnsweringCode for the Castorini
Continous Active Learning for TREC Total Recall (BMI) 2015Code for the local version of BMI implementation