Sulong Xu
3 papers in the PaperMetrix corpus
Papers by this author
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Sequential Search with Off-Policy Reinforcement Learning
2021
Recent years have seen a significant amount of interests in Sequential Recommendation (SR), which aims to understand and model the sequential user behaviors and the interactions between users and items over time. Surprisingly, despite the …
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Vague Preference Policy Learning for Conversational Recommendation
2023 · arXiv (Cornell University)
Conversational recommendation systems (CRS) commonly assume users have clear preferences, leading to potential over-filtering of relevant alternatives. However, users often exhibit vague, non-binary preferences. We introduce the Vague Preference Multi-round Conversational Recommendation (VPMCR) scenario, employing …
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Attention Weighted Mixture of Experts with Contrastive Learning for Personalized Ranking in E-commerce
2023 · arXiv (Cornell University)
Ranking model plays an essential role in e-commerce search and recommendation. An effective ranking model should give a personalized ranking list for each user according to the user preference. Existing algorithms usually extract a user …