PUNR: Pre-training with User Behavior Modeling for News Recommendation

1 code implementation • 25 Apr 2023 • Guangyuan Ma, Hongtao Liu, Xing Wu, Wanhui Qian, Zhepeng Lv, Qing Yang, Songlin Hu

Firstly, we introduce the user behavior masking pre-training task to recover the masked user behaviors based on their contextual behaviors.

News Recommendation Unsupervised Pre-training

Query-as-context Pre-training for Dense Passage Retrieval

2 code implementations • 19 Dec 2022 • Xing Wu, Guangyuan Ma, Wanhui Qian, Zijia Lin, Songlin Hu

Recently, methods have been developed to improve the performance of dense passage retrieval by using context-supervised pre-training.

Contrastive Learning Passage Retrieval +1

SRLF: A Stance-aware Reinforcement Learning Framework for Content-based Rumor Detection on Social Media

no code implementations • 10 May 2021 • Chunyuan Yuan, Wanhui Qian, Qianwen Ma, Wei Zhou, Songlin Hu

The rapid development of social media changes the lifestyle of people and simultaneously provides an ideal place for publishing and disseminating rumors, which severely exacerbates social panic and triggers a crisis of social trust.