no code implementations • 22 Apr 2024 • Juncheng Yang, Zuchao Li, Shuai Xie, Wei Yu, Shijun Li
Domain generalization faces challenges due to the distribution shift between training and testing sets, and the presence of unseen target domains.
no code implementations • 19 Apr 2024 • Juncheng Yang, Zuchao Li, Shuai Xie, WeiPing Zhu, Wei Yu, Shijun Li
While some methods overcome the need for training by leveraging image modality cache and retrieval, they overlook the text modality's importance and cross-modal cues for the efficient adaptation of parameters in visual-language models.
no code implementations • 6 Apr 2024 • Juncheng Yang, Zuchao Li, Shuai Xie, Wei Yu, Shijun Li, Bo Du
It is a step-by-step linear reasoning process that adjusts the length of the chain to improve the performance of generated prompts.
no code implementations • 7 Jun 2023 • Gangyi Zhang, Chongming Gao, Wenqiang Lei, Xiaojie Guo, Shijun Li, Hongshen Chen, Zhuozhi Ding, Sulong Xu, Lingfei Wu
In the VPMCR setting, we propose a solution called Adaptive Vague Preference Policy Learning (AVPPL), which consists of two components: Ambiguity-aware Soft Estimation (ASE) and Dynamism-aware Policy Learning (DPL).
1 code implementation • 18 Aug 2022 • Chongming Gao, Shijun Li, Yuan Zhang, Jiawei Chen, Biao Li, Wenqiang Lei, Peng Jiang, Xiangnan He
To facilitate model learning, we further collect rich features of users and items as well as users' behavior history.
1 code implementation • 4 Apr 2022 • Chongming Gao, Shiqi Wang, Shijun Li, Jiawei Chen, Xiangnan He, Wenqiang Lei, Biao Li, Yuan Zhang, Peng Jiang
The basic idea is to first learn a causal user model on historical data to capture the overexposure effect of items on user satisfaction.
3 code implementations • 22 Feb 2022 • Chongming Gao, Shijun Li, Wenqiang Lei, Jiawei Chen, Biao Li, Peng Jiang, Xiangnan He, Jiaxin Mao, Tat-Seng Chua
The progress of recommender systems is hampered mainly by evaluation as it requires real-time interactions between humans and systems, which is too laborious and expensive.
1 code implementation • 23 May 2020 • Shijun Li, Wenqiang Lei, Qingyun Wu, Xiangnan He, Peng Jiang, Tat-Seng Chua
In this work, we consider the conversational recommendation for cold-start users, where a system can both ask the attributes from and recommend items to a user interactively.