activity
20242026
most citedLLM-Driven Dual-Level Multi-Interest Modeling for Recommendation

1 citations · 1 across the 11 of their papers we have counts for

collaborators

13 papers

cs.LG2026

From Retrieval to Recognition:Knowledge-Enhanced Post-training of Time Series Foundation Models for Classification

Zhen Liu, Yucheng Wang, Yingpeng Du +5

Time series foundation models (TSFMs) have achieved notable progress in classification tasks through large-scale pretraining. However, their post-training practice mainly focuses o…

cs.IR2026

Beyond a Single Story: Meta-Reviewing Sparse and Incomplete User-generated Contents for Recommendation

Hongren Wang, Tianjun Wei, Yingpeng Du +2

Data sparsity remains a long-standing challenge in recommender systems, and it becomes more severe for methods relying on user-generated content (UGC) such as textual reviews, whic…

cs.LG2026

PLAN: Parallel Liquid-Inspired Approximation Network for Efficient Representation Learning in Flexible Job Shop Scheduling

Dhivya Dharshini Kannan, Wei Zhang, Jieyi Bi +5

Deep reinforcement learning (DRL) approaches for flexible job shop scheduling (FJSP) heavily rely on attention-centric architectures to achieve state-of-the-art performance. Howeve…

cs.IR2026

SG-LegalCite: A Principle-Augmented Benchmark for Legal Citation Retrieval in Singapore Law

Shannon Lee Yueh Ern, Kaidong Feng, Yingpeng Du +2

Legal citation in common-law systems depends not only on factual similarity, but also on the legal principle for which a precedent is invoked. However, existing benchmarks for lega…

cs.MM2026

Through Their Eyes: Fixation-aligned Tuning for Personalized User Emulation

Lingfeng Huang, Huizhong Guo, Tianjun Wei +2

Large language model (LLM) agents are increasingly deployed as scalable user simulators for recommender system evaluation. Yet existing simulators perceive recommendations through…

cs.IR2026

MMGRid: Navigating Temporal-aware and Cross-domain Generative Recommendation via Model Merging

Tianjun Wei, Enneng Yang, Yingpeng Du +3

Model merging (MM) offers an efficient mechanism for integrating multiple specialized models without access to original training data or costly retraining. While MM has demonstrate…

cs.IR2026

Think When Needed: Model-Aware Reasoning Routing for LLM-based Ranking

Huizhong Guo, Tianjun Wei, Dongxia Wang +4

Large language models (LLMs) are increasingly applied to ranking tasks in retrieval and recommendation. Although reasoning prompting can enhance ranking utility, our preliminary ex…

cs.HC2025

Mirroring Users: Towards Building Preference-aligned User Simulator with User Feedback in Recommendation

Tianjun Wei, Huizhong Guo, Yingpeng Du +4

User simulation is increasingly vital to develop and evaluate recommender systems (RSs). While Large Language Models (LLMs) offer promising avenues to simulate user behavior, they…

cs.IR2025★ 1 cited

LLM-Driven Dual-Level Multi-Interest Modeling for Recommendation

Ziyan Wang, Yingpeng Du, Zhu Sun +4

Recently, much effort has been devoted to modeling users' multi-interests based on their behaviors or auxiliary signals. However, existing methods often rely on heuristic assumptio…

cs.AI2025

Reinforcement Speculative Decoding for Fast Ranking

Yingpeng Du, Tianjun Wei, Zhu Sun +1

Large Language Models (LLMs) have been widely adopted in ranking systems such as information retrieval (IR) systems and recommender systems (RSs). To alleviate the latency of auto-…

cs.LG2025

Uncertain Multi-Objective Recommendation via Orthogonal Meta-Learning Enhanced Bayesian Optimization

Hongxu Wang, Zhu Sun, Yingpeng Du +3

Recommender systems (RSs) play a crucial role in shaping our digital interactions, influencing how we access and engage with information across various domains. Traditional researc…

cs.IR2025

Active Large Language Model-based Knowledge Distillation for Session-based Recommendation

Yingpeng Du, Zhu Sun, Ziyan Wang +3

Large language models (LLMs) provide a promising way for accurate session-based recommendation (SBR), but they demand substantial computational time and memory. Knowledge distillat…

cs.AI2024

Re2LLM: Reflective Reinforcement Large Language Model for Session-based Recommendation

Ziyan Wang, Yingpeng Du, Zhu Sun +4

Large Language Models (LLMs) are emerging as promising approaches to enhance session-based recommendation (SBR), where both prompt-based and fine-tuning-based methods have been wid…