activity
20222026
most citedScenario-Adaptive and Self-Supervised Model for Multi-Scenario Personalized Recommendation

22 citations · 35 across the 32 of their papers we have counts for

collaborators
Showing cs.IRShow all

28 papers · 1 filter

cs.IR2026

Astar: Learning to Propose Evolution Directions for Self-Evolving Industrial AI Systems

Jinxin Hu, Hao Deng, Haibo Xing +12

Modern AI systems advance through continuous iteration: a loop of proposing evolution directions, implementing code, training, and evaluation. While the latter three stages are inc…

cs.IR2026

SpecFormer: Mitigating Embedding and Attention Collapse via Spectral-Aware Transformer for Recommendation

Yu Cui, Yi Xu, Jiahao Wang +6

Transformer architectures have achieved remarkable success across diverse domains; however, directly applying their standard self-attention mechanism to recommendation often yields…

cs.IR2026

EvoRec: Self Evolving Agentic Recommender Systems

Lingyu Mu, Hao Deng, Haibo Xing +3

Optimizing modern recommender systems still relies heavily on engineers iterating by hand, which is slow and bounded by individual expertise. LLM-based agents open a path toward au…

cs.IR2026

Self-Balancing Gradient Allocation for Heterogeneity-Aware Feature Generation in Click-Through Rate Prediction

Moyu Zhang, Yun Chen, Yujun Jin +3

Generative pre-training via discrete diffusion provides dense reconstruction supervision across all feature fields simultaneously, mitigating representation collapse from data spar…

cs.IR2026

Counterfactual Multi-task Learning for Delayed Conversion Modeling in E-commerce Sales Pre-Promotion

Xin Song, Kaiyuan Li, Jinxin Hu

Sales promotions, as short-term incentives to stimulate product purchases, play a pivotal role in modern e-commerce marketing strategies. During promotional events, user behavior p…

cs.IR2026

LWGR: Lagrangian-Constrained Personalized World Knowledge for Generative Recommendation

Lingyu Mu, Hao Deng, Haibo Xing +7

Recent progress in large language model (LLM) based generative recommendation (GR) shows that leveraging LLM world knowledge can substantially improve performance. However, existin…

cs.IR2026

Rethinking Recommendation Paradigms: From Pipelines to Agentic Recommender Systems

Jinxin Hu, Hao Deng, Lingyu Mu +4

Large-scale industrial recommenders typically use a fixed multi-stage pipeline (recall, ranking, re-ranking) and have progressed from collaborative filtering to deep and large pre-…

cs.IR2026

AgenticRS-Architecture: System Design for Agentic Recommender Systems

Hao Zhang, Jinxin Hu, Hao Deng +4

AutoModel is an agent based architecture for the full lifecycle of industrial recommender systems. Instead of a fixed recall and ranking pipeline, AutoModel organizes recommendatio…

cs.IR2026

Deferred is Better: A Framework for Multi-Granularity Deferred Interaction of Heterogeneous Features

Yi Xu, Moyu Zhang, Chaofan Fan +3

Click-through rate (CTR) prediction models estimates the probability of a user-item click by modeling interactions across a vast feature space. A fundamental yet often overlooked c…

cs.IR2026

Bridging Sequential and Contextual Features with a Dual-View of Fine-grained Core-Behaviors and Global Interest-Distribution

Yi Xu, Chaofan Fan, Moyu Zhang +6

Click-through rate (CTR) prediction tasks typically estimate the probability of a user clicking on a candidate item by modeling both user behavior sequence features and the item's…

cs.IR2026

Learning to Reflect and Correct: Towards Better Decoding Trajectories for Large-Scale Generative Recommendation

Haibo Xing, Hao Deng, Lingyu Mu +4

Generative Recommendation (GR) has become a promising paradigm for large-scale recommendation systems. However, existing GR models typically perform single-pass decoding without ex…

cs.IR2026

Masked Diffusion Generative Recommendation

Lingyu Mu, Hao Deng, Haibo Xing +4

Generative recommendation (GR) typically first quantizes continuous item embeddings into multi-level semantic IDs (SIDs), and then generates the next item via autoregressive decodi…

cs.IR2025

STORE: Semantic Tokenization, Orthogonal Rotation and Efficient Attention for Scaling Up Ranking Models

Yi Xu, Chaofan Fan, Jinxin Hu +3

Ranking models have become an important part of modern personalized recommendation systems. However, significant challenges persist in handling high-cardinality, heterogeneous, and…

cs.IR2025

Infer As You Train: A Symmetric Paradigm of Masked Generative for Click-Through Rate Prediction

Moyu Zhang, Yujun Jin, Yun Chen +3

Generative models are increasingly being explored in click-through rate (CTR) prediction field to overcome the limitations of the conventional discriminative paradigm, which rely o…

cs.IR2025

Synergistic Integration and Discrepancy Resolution of Contextualized Knowledge for Personalized Recommendation

Lingyu Mu, Hao Deng, Haibo Xing +7

The integration of large language models (LLMs) into recommendation systems has revealed promising potential through their capacity to extract world knowledge for enhanced reasonin…

cs.IR2025

Taming the Long Tail: Denoising Collaborative Information for Robust Semantic ID Generation

Yi Xu, Moyu Zhang, Chaofan Fan +5

Item IDs form the backbone of industrial recommender systems, but suffer from representation instability and poor long-tail generalization in large, dynamic item corpora. Semantic…

cs.IR2025

DGenCTR: Towards a Universal Generative Paradigm for Click-Through Rate Prediction via Discrete Diffusion

Moyu Zhang, Yun Chen, Yujun Jin +2

Recent advances in generative models have inspired the field of recommender systems to explore generative approaches, but most existing research focuses on sequence generation, a p…

cs.IR2025★ 2 cited

MMQ: Multimodal Mixture-of-Quantization Tokenization for Semantic ID Generation and User Behavioral Adaptation

Yi Xu, Moyu Zhang, Chenxuan Li +7

Recommender systems traditionally represent items using unique identifiers (ItemIDs), but this approach struggles with large, dynamic item corpora and sparse long-tail data, limiti…

cs.IR2025

Global-Distribution Aware Scenario-Specific Variational Representation Learning Framework

Moyu Zhang, Yujun Jin, Jinxin Hu +1

With the emergence of e-commerce, the recommendations provided by commercial platforms must adapt to diverse scenarios to accommodate users' varying shopping preferences. Current m…

cs.IR2025★ 1 cited

Distribution-Guided Auto-Encoder for User Multimodal Interest Cross Fusion

Moyu Zhang, Yongxiang Tang, Yujun Jin +2

Traditional recommendation methods rely on correlating the embedding vectors of item IDs to capture implicit collaborative filtering signals to model the user's interest in the tar…

cs.IR2025

REG4Rec: Reasoning-Enhanced Generative Model for Large-Scale Recommendation Systems

Haibo Xing, Hao Deng, Yucheng Mao +9

Sequential recommendation aims to predict a user's next action in large-scale recommender systems. While traditional methods often suffer from insufficient information interaction,…

cs.IR2025★ 5 cited

HeterRec: Heterogeneous Information Transformer for Scalable Sequential Recommendation

Hao Deng, Haibo Xing, Kanefumi Matsuyama +8

Transformer-based sequential recommendation (TSR) models have shown superior performance in recommendation systems, where the quality of item representations plays a crucial role.…

cs.IR2025★ 2 cited

CSMF: Cascaded Selective Mask Fine-Tuning for Multi-Objective Embedding-Based Retrieval

Hao Deng, Haibo Xing, Kanefumi Matsuyama +6

Multi-objective embedding-based retrieval (EBR) has become increasingly critical due to the growing complexity of user behaviors and commercial objectives. While traditional approa…

cs.IR2025

Addressing Information Loss and Interaction Collapse: A Dual Enhanced Attention Framework for Feature Interaction

Yi Xu, Zhiyuan Lu, Xiaochen Li +5

The Transformer has proven to be a significant approach in feature interaction for CTR prediction, achieving considerable success in previous works. However, it also presents poten…