ZhihuRec dataset is constructed by the Information Retrieval group of Tsinghua Unversity (THUIR) and Zhihu company, and it is for research purposes only.
ZhihuRec dataset is collected from a knowledge-sharing platform (Zhihu), which is composed of around 100M interactions collected within 10 days, 798K users, 165K questions, 554K answers, 240K authors, 70K topics, and more than 501K user query logs. There are also descriptions of users, answers, questions, authors, and topics, which are anonymous. To the best of our knowledge, this is the largest real-world interaction dataset for personalized recommendation.
- zhihu100M.txt (2.58G) --- user interactions
- zhihu20M.txt (529M)--- user interactions
- zhihu1M.txt (26.4M)--- user interactions
- user_infos.txt (689M)--- the features of the users occured in the dataset
- answer_infos.txt (1.32G)--- the features of the answers occured in the dataset
- question_infos.txt (30.7M)--- the features of the questions occured in the dataset
- author_infos.txt (11.2M)--- the features of the authors occured in the dataset
- topic_infos.txt (6.11M)--- the features of the topics occured in the dataset
- readme.txt --- detailed description of the above files
- readme_Chinese.txt --- detailed description of the above files (in Chinese)
ZhihuRec dataset can be downloaded from here, and it is for the paper:
please cite the paper if you use this dataset:
@misc{hao2021largescale, title={A Large-Scale Rich Context Query and Recommendation Dataset in Online Knowledge-Sharing}, author={Bin Hao and Min Zhang and Weizhi Ma and Shaoyun Shi and Xinxing Yu and Houzhi Shan and Yiqun Liu and Shaoping Ma}, year={2021}, eprint={2106.06467}, archivePrefix={arXiv}, primaryClass={cs.IR} }
This dataset is for research use only. If you have any problem about this work or dataset, please contact with Bin Hao at [email protected].
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