activity
20202023
most citedKuaiRec: A Fully-observed Dataset and Insights for Evaluating Recommender Systems

155 citations · 390 across the 5 of their papers we have counts for

collaborators

5 papers

cs.IR2023

Vague Preference Policy Learning for Conversational Recommendation

Gangyi Zhang, Chongming Gao, Wenqiang Lei +6

Conversational recommendation systems (CRS) commonly assume users have clear preferences, leading to potential over-filtering of relevant alternatives. However, users often exhibit…

cs.IR2022★ 126 cited

KuaiRand: An Unbiased Sequential Recommendation Dataset with Randomly Exposed Videos

Chongming Gao, Shijun Li, Yuan Zhang +5

Recommender systems deployed in real-world applications can have inherent exposure bias, which leads to the biased logged data plaguing the researchers. A fundamental way to addres…

cs.IR2022★ 12 cited

CIRS: Bursting Filter Bubbles by Counterfactual Interactive Recommender System

Chongming Gao, Shiqi Wang, Shijun Li +6

While personalization increases the utility of recommender systems, it also brings the issue of filter bubbles. E.g., if the system keeps exposing and recommending the items that t…

cs.IR2022★ 155 cited

KuaiRec: A Fully-observed Dataset and Insights for Evaluating Recommender Systems

Chongming Gao, Shijun Li, Wenqiang Lei +6

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. This is…

cs.IR2020★ 97 cited

Seamlessly Unifying Attributes and Items: Conversational Recommendation for Cold-Start Users

Shijun Li, Wenqiang Lei, Qingyun Wu +3

Static recommendation methods like collaborative filtering suffer from the inherent limitation of performing real-time personalization for cold-start users. Online recommendation,…