activity
20232026
most citedAds Recommendation in a Collapsed and Entangled World

22 citations · 63 across the 18 of their papers we have counts for

collaborators

18 papers

cs.IR2026

Beyond Action Imitation: Learning a Decision-Aware User Simulator for Online Advertising

Zipeng Chen, Jiaer Zheng, Xiangyang Xu +15

Recent advances in LLM-based user simulation have shown promise for offline evaluation of recommendation and advertising systems. However, existing simulators typically infer user…

cs.IR2026

Diffusion Language Model for Recommendation

Chengyi Liu, Yongqi Zhou, Junwei Pan +8

Large language model (LLM)-empowered recommender systems have emerged as a promising paradigm for generative recommendation, leveraging their strong semantic reasoning and generati…

cs.IR2026

RankUp: Towards High-rank Representations for Large Scale Advertising Recommender Systems

Jin Chen, Shangyu Zhang, Bin Hu +16

The scaling laws for recommender systems have been increasingly validated, where MetaFormer-based architectures consistently benefit from increased model depth, hidden dimensionali…

cs.IR2026

TokenFormer: Unify the Multi-Field and Sequential Recommendation Worlds

Yifeng Zhou, Yuehong Hu, Zhixiang Feng +9

Recommender systems have historically developed along two largely independent paradigms: feature interaction models for modeling correlations among multi-field categorical features…

cs.IR2025

From Feature Interaction to Feature Generation: A Generative Paradigm of CTR Prediction Models

Mingjia Yin, Junwei Pan, Hao Wang +5

Click-Through Rate (CTR) prediction, a core task in recommendation systems, aims to estimate the probability of users clicking on items. Existing models predominantly follow a disc…

cs.IR2025

Empowering Large Language Model for Sequential Recommendation via Multimodal Embeddings and Semantic IDs

Yuhao Wang, Junwei Pan, Xinhang Li +6

Sequential recommendation (SR) aims to capture users' dynamic interests and sequential patterns based on their historical interactions. Recently, the powerful capabilities of large…

cs.LG2025

Large Foundation Model for Ads Recommendation

Shangyu Zhang, Shijie Quan, Zhongren Wang +30

Online advertising relies on accurate recommendation models, with recent advances using pre-trained large-scale foundation models (LFMs) to capture users' general interests across…

cs.IR2024★ 1 cited

Pre-train, Align, and Disentangle: Empowering Sequential Recommendation with Large Language Models

Yuhao Wang, Junwei Pan, Pengyue Jia +6

Sequential Recommendation (SR) aims to leverage the sequential patterns in users' historical interactions to accurately track their preferences. However, the primary reliance of ex…

cs.IR2024

Towards Scalable Semantic Representation for Recommendation

Taolin Zhang, Junwei Pan, Jinpeng Wang +9

With recent advances in large language models (LLMs), there has been emerging numbers of research in developing Semantic IDs based on LLMs to enhance the performance of recommendat…

cs.IR2024

Long-Sequence Recommendation Models Need Decoupled Embeddings

Ningya Feng, Junwei Pan, Jialong Wu +6

Lifelong user behavior sequences are crucial for capturing user interests and predicting user responses in modern recommendation systems. A two-stage paradigm is typically adopted…

cs.IR2024★ 15 cited

Deep Pattern Network for Click-Through Rate Prediction

Hengyu Zhang, Junwei Pan, Dapeng Liu +2

Click-through rate (CTR) prediction tasks play a pivotal role in real-world applications, particularly in recommendation systems and online advertising. A significant research bran…

cs.IR2024★ 11 cited

Understanding the Ranking Loss for Recommendation with Sparse User Feedback

Zhutian Lin, Junwei Pan, Shangyu Zhang +5

Click-through rate (CTR) prediction is a crucial area of research in online advertising. While binary cross entropy (BCE) has been widely used as the optimization objective for tre…

cs.IR2024★ 22 cited

Ads Recommendation in a Collapsed and Entangled World

Junwei Pan, Wei Xue, Ximei Wang +7

We present Tencent's ads recommendation system and examine the challenges and practices of learning appropriate recommendation representations. Our study begins by showcasing our a…

cs.LG2023★ 1 cited

On the Embedding Collapse when Scaling up Recommendation Models

Xingzhuo Guo, Junwei Pan, Ximei Wang +3

Recent advances in foundation models have led to a promising trend of developing large recommendation models to leverage vast amounts of available data. Still, mainstream models re…

cs.LG2023

Decoupled Training: Return of Frustratingly Easy Multi-Domain Learning

Ximei Wang, Junwei Pan, Xingzhuo Guo +2

Multi-domain learning (MDL) aims to train a model with minimal average risk across multiple overlapping but non-identical domains. To tackle the challenges of dataset bias and doma…

cs.IR2023★ 2 cited

STEM: Unleashing the Power of Embeddings for Multi-task Recommendation

Liangcai Su, Junwei Pan, Ximei Wang +4

Multi-task learning (MTL) has gained significant popularity in recommender systems as it enables simultaneous optimization of multiple objectives. A key challenge in MTL is negativ…

cs.IR2023★ 6 cited

Temporal Interest Network for User Response Prediction

Haolin Zhou, Junwei Pan, Xinyi Zhou +4

User response prediction is essential in industrial recommendation systems, such as online display advertising. Among all the features in recommendation models, user behaviors are…

cs.LG2023★ 5 cited

ForkMerge: Mitigating Negative Transfer in Auxiliary-Task Learning

Junguang Jiang, Baixu Chen, Junwei Pan +4

Auxiliary-Task Learning (ATL) aims to improve the performance of the target task by leveraging the knowledge obtained from related tasks. Occasionally, learning multiple tasks simu…