activity
20232026
most citedUnderstanding the planning of LLM agents: A survey

34 citations · 59 across the 32 of their papers we have counts for

collaborators

33 papers

cs.IR2026

Rethinking Item Tokenization in Generative Recommenders: From Fixed Atoms to Semantic Subwords

Xinrui Miao, Mingjia Yin, Jiaqing Zhang +5

In generative recommender systems, items are typically tokenized into fixed-length semantic ID sequences for autoregressive next-item prediction. However, for user-context modeling…

cs.LG2026

Understanding DNNs in Feature Interaction Models: A Dimensional Collapse Perspective

Jiancheng Wang, Mingjia Yin, Hao Wang +1

DNNs have gained widespread adoption in feature interaction recommendation models. However, there has been a longstanding debate on their roles. On one hand, some works claim that…

cs.AI2026

From Insight to Action: A Novel Framework for Interpretability-Guided Data Selection in Large Language Models

Ling Shi, Xinwei Wu, Xiaohu Zhao +7

While mechanistic interpretability tools like Sparse Autoencoders (SAEs) can uncover meaningful features within Large Language Models (LLMs), a critical gap remains in transforming…

cs.AI2026

Generative Data Transformation: From Mixed to Unified Data

Jiaqing Zhang, Mingjia Yin, Hao Wang +6

Recommendation model performance is intrinsically tied to the quality, volume, and relevance of their training data. To address common challenges like data sparsity and cold start,…

cs.CL2026

SpecSteer: Synergizing Local Context and Global Reasoning for Efficient Personalized Generation

Hang Lv, Sheng Liang, Hao Wang +6

Realizing personalized intelligence faces a core dilemma: sending user history to centralized large language models raises privacy concerns, while on-device small language models l…

cs.IR2026

Efficient Personalized Reranking with Semi-Autoregressive Generation and Online Knowledge Distillation

Kai Cheng, Hao Wang, Wei Guo +4

Generative models offer a promising paradigm for the final stage reranking in multi-stage recommender systems, with the ability to capture inter-item dependencies within reranked l…

cs.DC2026

MoEless: Efficient MoE LLM Serving with Serverless Experts

Hanfei Yu, Bei Ouyang, Shwai He +2

Large Language Models (LLMs) increasingly adopt Mixture-of-Experts (MoE) architectures to scale efficiently under stringent resource constraints. However, MoE's sparse activation c…

cs.IR2026

The Next Paradigm Is User-Centric Agent, Not Platform-Centric Service

Luankang Zhang, Hang Lv, Qiushi Pan +8

Modern digital services have evolved into indispensable tools, driving the present large-scale information systems. Yet, the prevailing platform-centric model, where services are o…

cs.IR2026

Why Thinking Hurts: Diagnosing and Rectifying Linguistic Inertia in Large Language Models for Recommendation

Luankang Zhang, Yonghao Huang, Hang Lv +6

Chain-of-Thought (CoT) reasoning is widely used to improve LLM performance, and recent foundation recommender models adopt it by generating textual reasoning before predicting targ…

cs.IR2026

Can Recommender Systems Teach Themselves? A Recursive Self-Improving Framework with Fidelity Control

Luankang Zhang, Hao Wang, Zhongzhou Liu +8

The scarcity of high-quality training data presents a fundamental bottleneck to scaling machine learning models. This challenge is particularly acute in recommendation systems, whe…

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

FuXi-β: Towards a Lightweight and Fast Large-Scale Generative Recommendation Model

Yufei Ye, Wei Guo, Hao Wang +7

Scaling laws for autoregressive generative recommenders reveal potential for larger, more versatile systems but mean greater latency and training costs. To accelerate training and…

cs.CL2025

Thought-Augmented Planning for LLM-Powered Interactive Recommender Agent

Haocheng Yu, Yaxiong Wu, Hao Wang +6

Interactive recommendation is a typical information-seeking task that allows users to interactively express their needs through natural language and obtain personalized recommendat…

cs.IR2025★ 3 cited

DLF: Enhancing Explicit-Implicit Interaction via Dynamic Low-Order-Aware Fusion for CTR Prediction

Kefan Wang, Hao Wang, Wei Guo +4

Click-through rate (CTR) prediction is a critical task in online advertising and recommender systems, relying on effective modeling of feature interactions. Explicit interactions c…

cs.CL2025

Prompting is not Enough: Exploring Knowledge Integration and Controllable Generation

Tingjia Shen, Hao Wang, Chuan Qin +5

Open-domain question answering (OpenQA) represents a cornerstone in natural language processing (NLP), primarily focused on extracting answers from unstructured textual data. With…

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.IR2025

Killing Two Birds with One Stone: Unifying Retrieval and Ranking with a Single Generative Recommendation Model

Luankang Zhang, Kenan Song, Yi Quan Lee +7

In recommendation systems, the traditional multi-stage paradigm, which includes retrieval and ranking, often suffers from information loss between stages and diminishes performance…

cs.IR2025

Generative Large Recommendation Models: Emerging Trends in LLMs for Recommendation

Hao Wang, Wei Guo, Luankang Zhang +7

In the era of information overload, recommendation systems play a pivotal role in filtering data and delivering personalized content. Recent advancements in feature interaction and…

cs.IR2025★ 3 cited

TD3: Tucker Decomposition Based Dataset Distillation Method for Sequential Recommendation

Jiaqing Zhang, Mingjia Yin, Hao Wang +5

In the era of data-centric AI, the focus of recommender systems has shifted from model-centric innovations to data-centric approaches. The success of modern AI models is built on l…

cs.IR2025

FuXi-: Scaling Recommendation Model with Feature Interaction Enhanced Transformer

Yufei Ye, Wei Guo, Jin Yao Chin +8

Inspired by scaling laws and large language models, research on large-scale recommendation models has gained significant attention. Recent advancements have shown that expanding se…

cs.IR2024

Scaling New Frontiers: Insights into Large Recommendation Models

Wei Guo, Hao Wang, Luankang Zhang +16

Recommendation systems are essential for filtering data and retrieving relevant information across various applications. Recent advancements have seen these systems incorporate inc…

cs.AI2024

Optimizing Sequential Recommendation Models with Scaling Laws and Approximate Entropy

Tingjia Shen, Hao Wang, Chuhan Wu +7

Scaling Laws have emerged as a powerful framework for understanding how model performance evolves as they increase in size, providing valuable insights for optimizing computational…

cs.LG2024★ 2 cited

Breaking Determinism: Fuzzy Modeling of Sequential Recommendation Using Discrete State Space Diffusion Model

Wenjia Xie, Hao Wang, Luankang Zhang +3

Sequential recommendation (SR) aims to predict items that users may be interested in based on their historical behavior sequences. We revisit SR from a novel information-theoretic…

cs.IR2024

MDAP: A Multi-view Disentangled and Adaptive Preference Learning Framework for Cross-Domain Recommendation

Junxiong Tong, Mingjia Yin, Hao Wang +3

Cross-domain Recommendation systems leverage multi-domain user interactions to improve performance, especially in sparse data or new user scenarios. However, CDR faces challenges s…