On October 12th, WSDM 2021 papers were announced, and seven papers from RUC Gaoling School of Artificial Intelligence were accepted. The 15th International Conference on Web Search and Data Mining will be held on February 21-25^th next year in Phoenix, USA. A total of 786 long papers were submitted to the conference, and only 159 papers were accepted, with an acceptance rate of about 20.23%. Since January 2021, Gaoling School of Artificial Intelligence has published 67 CCF Class A international journal and conference papers and 34 CCF Class B papers. WSDM 2021：Improving Session Search by Modeling Multi-Granularity Historical Query Change Authors: ZUO Xiaochen, DOU Zhicheng, WEN Jirong Correspondent Author: DOU Zhicheng WSDM 2021：A Neighborhood-Attention Fine-grained Entity Typing for Knowledge Graph Completion Authors: ZHUO Jianhuan, ZHU Qiannan, YUE Yinliang, ZHAO Yuhong, HAN Weisi Correspondent Author: ZHU Qiannan, YUE Yinliang WSDM 2021： Improving Personalized Search with Dual-Feedback Network Authors: DENG Chenlong, ZHOU Yujia, DOU Zhicheng Correspondent Author: DOU Zhicheng WSDM 2021： Leveraging Multi-view Inter-passage Interactions for Neural Document Ranking Authors: FU Chengzhen, HU Enrui, FENG Letian, DOU Zhicheng, JIA Yantao, CHEN Lei, YU Pan, CAO Chao WSDM 2021：HeteroQA: Learning towards Question-and-Answering through Multiple Information Sources via Heterogeneous Graph Modeling Authors: GAO Shen, ZHANG Yuchi, WANG Yongliang, DONG Yang, CHEN Xiuying, ZHAO Dongyan, YAN Rui Correspondent Author: YAN Rui, ZHAO Dongyan WSDM 2021：A Cooperative Neural Information Retrieval Pipeline with Knowledge Enhanced Automatic Query Reformulation Authors: LI Xiangsheng, MAO Jiaxin, MA Weizhi, LIU Yiqun, WU Zhijing, ZHANG Min, MA Shaoping, WANG Zhaowei, HE xiuqiang   WSDM 2021：Learning Discrete Representations via Constrained Clustering for Effective and Efficient Dense Retrieval Authors: ZHAN Jingtao, MAO Jiaxin, LIU Yiqun, GUO jiafeng, ZHANG Min, MA Shaoping  

RepCONC pipeline

Constrained Clustering