Rankflow: Joint optimization of multi-stage cascade ranking systems as flows

J Qin, J Zhu, B Chen, Z Liu, W Liu, R Tang… - Proceedings of the 45th …, 2022 - dl.acm.org
Building a multi-stage cascade ranking system is a commonly used solution to balance the
efficiency and effectiveness in modern information retrieval (IR) applications, such as …

Sliding spectrum decomposition for diversified recommendation

Y Huang, W Wang, L Zhang, R Xu - Proceedings of the 27th ACM …, 2021 - dl.acm.org
Content feed, a type of product that recommends a sequence of items for users to browse
and engage with, has gained tremendous popularity among social media platforms. In this …

Inttower: the next generation of two-tower model for pre-ranking system

X Li, B Chen, HF Guo, J Li, C Zhu, X Long, S Li… - Proceedings of the 31st …, 2022 - dl.acm.org
Scoring a large number of candidates precisely in several milliseconds is vital for industrial
pre-ranking systems. Existing pre-ranking systems primarily adopt the two-tower model …

Decision-making context interaction network for click-through rate prediction

X Li, S Chen, J Dong, J Zhang, Y Wang… - Proceedings of the …, 2023 - ojs.aaai.org
Click-through rate (CTR) prediction is crucial in recommendation and online advertising
systems. Existing methods usually model user behaviors, while ignoring the informative …

Slate-Aware Ranking for Recommendation

Y Ren, X Han, X Zhao, S Zhang, Y Zhang - Proceedings of the Sixteenth …, 2023 - dl.acm.org
We see widespread adoption of slate recommender systems, where an ordered item list is
fed to the user based on the user interests and items' content. For each recommendation, the …

COPR: Consistency-Oriented Pre-Ranking for Online Advertising

Z Zhao, J Gao, Y Zhang, S Han, S Lou… - Proceedings of the …, 2023 - dl.acm.org
Cascading architecture has been widely adopted in large-scale advertising systems to
balance efficiency and effectiveness. In this architecture, the pre-ranking model is expected …

Towards a better tradeoff between effectiveness and efficiency in pre-ranking: A learnable feature selection based approach

X Ma, P Wang, H Zhao, S Liu, C Zhao, W Lin… - Proceedings of the 44th …, 2021 - dl.acm.org
In real-world search, recommendation, and advertising systems, the multi-stage ranking
architecture is commonly adopted. Such architecture usually consists of matching, pre …

UNEX-RL: Reinforcing Long-Term Rewards in Multi-Stage Recommender Systems with UNidirectional EXecution

G Zhang, Y Wang, X Chen, H Qian, K Zhan… - Proceedings of the AAAI …, 2024 - ojs.aaai.org
In recent years, there has been a growing interest in utilizing reinforcement learning (RL) to
optimize long-term rewards in recommender systems. Since industrial recommender …

An empirical study of selection bias in pinterest ads retrieval

Y Wang, P Yin, Z Tao, H Venkatesan, J Lai… - Proceedings of the 29th …, 2023 - dl.acm.org
Data selection bias has been a long-lasting challenge in the machine learning domain,
especially in multi-stage recommendation systems, where the distribution of labeled items …

A Comprehensive Survey on Retrieval Methods in Recommender Systems

J Huang, J Chen, J Lin, J Qin, Z Feng, W Zhang… - arXiv preprint arXiv …, 2024 - arxiv.org
In an era dominated by information overload, effective recommender systems are essential
for managing the deluge of data across digital platforms. Multi-stage cascade ranking …