activity
20232026
most citedAds Recommendation in a Collapsed and Entangled World

22 citations · 51 across the 24 of their papers we have counts for

collaborators

24 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

SIREN: Unified Multi-Granularity Semantic Interaction for Multi-Modal Lifelong User Interest Modeling

Yaqian Zhang, Ruyi Yu, Tianyi Li +13

Industrial recommender systems increasingly leverage lifelong user behavior histories and rich multi-modal content to capture evolving user preferences. However, effectively integr…

cs.LG2026

Expand More, Shrink Less: Shaping Effective-Rank Dynamics for Dense Scaling in Recommendation

Guoming Li, Shangyu Zhang, Junwei Pan +7

Scaling recommendation models is a central challenge in recommender systems. Recently, RankMixer has emerged as an effective solution, operating on a unified token representation a…

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

FEDIN: Frequency-Enhanced Deep Interest Network for Click-Through Rate Prediction

Zenan Dai, Jinpeng Wang, Junwei Pan +3

Sequential recommendation models often struggle to capture latent periodic patterns in user interests, primarily due to the noise inherent in time-domain behavioral data. While fre…

cs.IR2026

Asymmetric Generative Recommendation via Kronecker Residual Bridge and Multi-Faceted Hierarchical Quantization

Bin Huang, Xin Wang, Junwei Pan +6

Generative Recommendation (GenRec) models reformulate recommendation as a sequence generation task, representing items as discrete Semantic IDs used symmetrically as both inputs an…

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.IR2026

Tencent Advertising Algorithm Challenge 2025: All-Modality Generative Recommendation

Junwei Pan, Wei Xue, Chao Zhou +20

Generative recommender systems are rapidly emerging as a new paradigm for recommendation, where collaborative identifiers and/or multi-modal content are mapped into discrete token…

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

Practice on Long Behavior Sequence Modeling in Tencent Advertising

Xian Hu, Ming Yue, Zhixiang Feng +24

Long-sequence modeling has become an indispensable frontier in recommendation systems for capturing users' long-term preferences. However, user behaviors within advertising domains…

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.IR2025★ 1 cited

Enhancing CTR Prediction with De-correlated Expert Networks

Jiancheng Wang, Mingjia Yin, Hao Wang +1

Modeling feature interactions is essential for accurate click-through rate (CTR) prediction in advertising systems. Recent studies have adopted the Mixture-of-Experts (MoE) approac…

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 Unifying Feature Interaction Models for Click-Through Rate Prediction

Yu Kang, Junwei Pan, Jipeng Jin +3

Modeling feature interactions plays a crucial role in accurately predicting click-through rates (CTR) in advertising systems. To capture the intricate patterns of interaction, many…

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

Crocodile: Cross Experts Covariance for Disentangled Learning in Multi-Domain Recommendation

Zhutian Lin, Junwei Pan, Haibin Yu +7

Multi-domain learning (MDL) has become a prominent topic in enhancing the quality of personalized services. It's critical to learn commonalities between domains and preserve the di…

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…