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Yujia Zhou

PhD student at Renmin University of China

About Me

Yujia Zhou is a third-year Ph.D. student advised by Prof. Zhicheng Dou at the Gaoling School of Artificial Intelligence & School of Information, Renmin University of China. My major research interests are Information Retrieval and Personalized Search.

Education

  • Sep. 2019 - present. Ph.D. student, School of Information & Gaoling School of Artificial Intelligence, Renmin University of China.
  • Sep. 2015 - Jul. 2019. B.S., School of Information, Renmin University of China.

Publications

  • Yujia Zhou*, Jing yao*, Zhicheng Dou, Ledell Wu, Peitian Zhang, and Ji-Rong Wen. Ultron: Ultron: An Ultimate Retriever on Corpus with a Model-based Indexer. (Arxiv) (*Equal contribution) [pdf]

  • Yujia Zhou*, Jing yao*, Zhicheng Dou, Ledell Wu, and Ji-Rong Wen. DynamicRetriever: A Pre-training Model-based IR System with Neither Sparse nor Dense Index. (Accepted by Machine Intelligency Research) (*Equal contribution) [pdf]

  • Yujia Zhou, Zhicheng Dou, Huaying Yuan, and Zhengyi Ma. Socialformer: Social Network Inspired Long Document Modeling for Document Ranking. In Proceedings of 31th The Web Conference. (TheWebConf 2022 Full Paper) [pdf]

  • Yujia Zhou, Zhicheng Dou, and Ji-Rong Wen. Enhancing Potential Re-finding in Personalized Search with Hierarchical Memory Networks. In IEEE Transactions on Knowledge and Data Engineering. (IEEE TKDE Full Paper) [pdf]

  • Chenlong Deng, Yujia Zhou, Zhicheng Dou. Improving Personalized Search with Dual-Feedback Network. In Proceedings of the 15th ACM International Conference on Web Search and Data Mining. (WSDM 2022 Full Paper) [pdf]

  • Yujia Zhou, Zhicheng Dou, Yutao Zhu, and Ji-Rong Wen. PSSL: Self-supervised Learning for Personalized Search with Contrastive Sampling. In Proceedings of the 30th ACM International Conference on Information and Knowledge Management. (CIKM 2021 Full Paper) [pdf]

  • Yujia Zhou, Zhicheng Dou, Bingzheng Wei, Ruobing Xie, and Ji-Rong Wen. Group based Personalized Search by Integrating Search Behaviour and Friend Network. In Proceedings of the 44th International ACM SIGIR Conference on Research and Development in Information Retrieval. (SIGIR 2021 Full Paper) [pdf]

  • Yujia Zhou, Zhicheng Dou and Ji-Rong Wen. Encoding History with Context-aware Representation Learning for Personalized Search. In Proceedings of the 43rd International ACM SIGIR Conference on Research and Development in Information Retrieval. (SIGIR 2020 Full Paper) [pdf]

  • Yujia Zhou, Zhicheng Dou, and Ji-Rong Wen. Enhancing Re-finding Behavior with External Memories for Personalized Search. In Proceedings of the 13th ACM International Conference on Web Search and Data Mining. (WSDM 2020 Full Paper) [pdf]

  • Yujia Zhou, Zhicheng Dou, Songwei Ge, and Ji-Rong Wen. Dynamic Personalized Search Based on RNN with Attention Mechanism. Chinese Journal of Computer (2019), Vol 42. (Best Student Paper Award in CCIR 2018) [pdf]

Honors and Rewards

  • Global Top40 of Baidu Scholarship 2022
  • Microsoft Research Asia Fellowship Nomination Award 2022
  • National scholarship for PhD students 2022
  • National scholarship for PhD students 2020
  • Innovative Talents Cultivation Funded Programs of Renmin University of China 2020
  • Best Student Paper Award in CCIR 2018

Experience

  • Oct. 2022 - Present. Visiting student, NExT++, National University of Singapore.
  • Dec. 2021 - Present. Intership, Beijing Academy of Artificial Intelligence.
  • Jun. 2020 - Apr. 2021. Intership, WXG, Tencent.
  • May 2018 - Present. Student, BDAI Lab, Gaoling School of Artificial Intelligence.

Academic Service

  • Journal Reviewer: TALLIP
  • PC Member: WSDM 2022, SIGIR 2022, SIGKDD 2022, WSDM 2023