About me

I am now a fourth year Ph.D. student in THUIR group, Department of Computer Science and Technology in Tsinghua University, Beijing, China. My supervisor is Prof. Shaoping Ma and Prof. Yiqun Liu. My major research interests are in Web image search and fine-grained document ranking.

Education

  • Aug. 2017 - now. Ph.D. student, Department of Computer Science and Technology, Tsinghua University, China.
  • Aug. 2013 - Jul. 2017. B.E., Department of Computer Science and Technology, Tsinghua University, China.
  • Aug. 2014 - Jul. 2017. B.A. (Second Bachelor Degree), School of Journalism and Communication, Tsinghua University, China.

Publications

  • Zhijing Wu, Mark Sanderson, B. Barla Cambazoglu, Bruce Croft, Falk Scholer. Providing Direct Answers in Search Results: A Study of User Behavior. The 29th ACM International Conference on Information and Knowledge Management. Full paper. (CIKM 2020)
  • Zhijing Wu, Jiaxin Mao, Yiqun Liu, Min Zhang, and Shaoping Ma. Investigating Reading Behavior in Fine-grained Relevance Judgment. The 43rd International ACM SIGIR Conference on Research and Development in Information Retrieval. Short Paper. (SIGIR 2020)
  • Zhijing Wu, Jiaxin Mao, Yiqun Liu, Jingtao Zhan, Yukun Zheng, Min Zhang and Shaoping Ma. Leveraging Passage-level Cumulative Gain for Document Ranking. The Web Conference 2020. Full paper. (WWW 2020).
  • Zhijing Wu, Ke Zhou, Yiqun Liu, Min Zhang, Shaoping Ma. Does Diversity Affect User Satisfaction in Image Search. ACM Transactions on Information Systems. (TOIS).
  • Zhijing Wu, Jiaxin Mao, Yiqun Liu, Min Zhang and Shaoping Ma. Investigating Passage-level Relevance and Its Role in Document-level Relevance Judgment. The 42nd International ACM SIGIR Conference on Research and Development in Information Retrieval. Full paper. (SIGIR 2019).
  • Zhijing Wu, Yiqun Liu, Qianfan Zhang, Kailu Wu, Min Zhang and Shaoping Ma. The influence of image search intents on user behavior and satisfaction. The 12th ACM International Conference on Web Search and Data Mining. Full paper. (WSDM 2019).
  • Zhijing Wu, Jiaxin Mao, Yiqun Liu, Min Zhang and Shaoping Ma. Comparing Image Search User Behavior on Lab Study and Field Study Task Settings. Task Intelligence Workshop @ the 12th ACM International Conference on Web Search and Data Mining. Workshop paper. (TI@WSDM 2019).
  • Zhijing Wu, Yiqun Liu, Min Zhang and Shaoping Ma. Understanding and Predicting User Satisfaction in Image Search. Learning from User Interactions Workshop @ the 11th ACM International Conference on Web Search and Data Mining. Workshop paper. (Learn-IR@WSDM 2018).
  • Zhijing Wu, Xiaohui Xie, Yiqun Liu, Min Zhang and Shaoping Ma. A Study of User Image Search Behavior Based on Log Analysis. The 23rd China Conference on Information Retrieval. Full paper. (CCIR2017).
  • Xiaohui Xie, Yiqun Liu, Xiaochuan Wang, Meng Wang, Zhijing Wu, Yingying Wu, Min Zhang and Shaoping Ma. Investigating Examination Behavior of Image Search Users. The 40th ACM SIGIR International Conference on Research and Development in Information Retrieval. Full paper (SIGIR2017).

Experiences

  • Aug. 2019 - Feb. 2020. Visiting student, IR Group, Royal Melbourne Institute of Technology University, Australia.
  • Jun. 2018 - Sep. 2018. Visiting student, NExT++ Research Centre, National University of Singapore, Singapore.
  • Jun. 2016 - Aug. 2016. Internship, Technology and Engineering Group, Tencent Shenzhen, China.