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Qinghui Sun

2 accepted papers

2023

Uniform Sequence Better: Time Interval Aware Data Augmentation for Sequential Recommendation

AAAI 2023technical

Sequential recommendation is an important task to predict the next-item to access based on a sequence of interacted items. Most existing works learn user preference as the transition pattern from the previous item to the next one, ignoring the time interval between these two items. However, we obser…

2021

Exploiting Behavioral Consistence for Universal User Representation

AAAI 2021technical

User modeling is critical for developing personalized services in industry. A common way for user modeling is to learn user representations that can be distinguished by their interests or preferences. In this work, we focus on developing universal user representation model. The obtained universal re…