activity
20222026
most citedA Survey of Personalization: From RAG to Agent

2 citations · 15 across the 40 of their papers we have counts for

collaborators

45 papers

cs.IR2026

Recall Begets Recall: Recurrent Memory Ranking for Personalized LLMs

Pengyue Jia, Shida Yan, Shunyu Liu +4

Memory ranking is the stage in personalized Large Language Models (LLMs) that decides which of the candidate memories returned by a retriever enter the limited context, so that the…

cs.IR2026

MemSearch-o1: Empowering Large Language Models with Reasoning-Aligned Memory Growth in Agentic Search

Sheng Zhang, Junyi Li, Yingyi Zhang +7

Recent advances in large language models (LLMs) have scaled the potential for reasoning and agentic search, wherein models autonomously plan, retrieve, and reason over external kno…

cs.IR2026

Personalized Deep Research: A User-Centric Framework, Dataset, and Hybrid Evaluation for Knowledge Discovery

Xiaopeng Li, Wenlin Zhang, Yingyi Zhang +6

Deep Research agents driven by LLMs have automated the scholarly discovery pipeline, from planning and query formulation to iterative web exploration. Yet they remain constrained b…

cs.IR2026

UniRank: Unified List-wise Reranking via Confidence-Ordered Denoising

Pengyue Jia, Hailan Yang, Shuchang Liu +7

List-wise reranking arranges a request-specific pool of candidate items into an ordered slate that maximizes user satisfaction. Existing generative rerankers fall into two paradigm…

cs.CL2026

Learning How and What to Memorize: Cognition-Inspired Two-Stage Optimization for Evolving Memory

Derong Xu, Shuochen Liu, Pengfei Luo +8

Large language model (LLM) agents require long-term user memory for consistent personalization, but limited context windows hinder tracking evolving preferences over long interacti…

cs.IR2026★ 1 cited

From Local Indices to Global Identifiers: Generative Reranking for Recommender Systems via Global Action Space

Pengyue Jia, Xiaobei Wang, Yingyi Zhang +14

In modern recommender systems, list-wise reranking serves as a critical phase within the multi-stage pipeline, finalizing the exposed item sequence and directly impacting user sati…

cs.CL2026

MultiDx: A Multi-Source Knowledge Integration Framework towards Diagnostic Reasoning

Yimin Deng, Zhenxi Lin, Yejing Wang +9

Diagnostic prediction and clinical reasoning are critical tasks in healthcare applications. While Large Language Models (LLMs) have shown strong capabilities in commonsense reasoni…

cs.CV2026

GeoRouter: Dynamic Paradigm Routing for Worldwide Image Geolocalization

Pengyue Jia, Derong Xu, Yingyi Zhang +5

Worldwide image geolocalization aims to predict precise GPS coordinates for images captured anywhere on Earth, which is challenging due to the large visual and geographic diversity…

cs.CV2026

How to Utilize Complementary Vision-Text Information for 2D Structure Understanding

Jiancheng Dong, Pengyue Jia, Derong Xu +9

LLMs typically linearize 2D tables into 1D sequences to fit their autoregressive architecture, which weakens row-column adjacency and other layout cues. In contrast, purely visual…

cs.CV2026

SkyLink: A Large Vision-Language Model Driven Re-ranking Framework for Cross-View UAV geolocalization

Bowen Liu, Pengyue Jia, Wanyu Wang +9

Cross-view UAV geolocalization is fundamentally a challenging large-scale image retrieval task, aiming to determine the geographic coordinates of Unmanned Aerial Vehicle (UAV) quer…

cs.IR2026

To Search or Not to Search: Aligning the Decision Boundary of Deep Search Agents via Causal Intervention

Wenlin Zhang, Kuicai Dong, Junyi Li +9

Deep search agents, which autonomously iterate through multi-turn web-based reasoning, represent a promising paradigm for complex information-seeking tasks. However, current agents…

cs.IR2026

Exploring Recommender System Evaluation: A Multi-Modal User Agent Framework for A/B Testing

Wenlin Zhang, Xiangyang Li, Qiyuan Ge +9

In recommender systems, online A/B testing is a crucial method for evaluating the performance of different models. However, conducting online A/B testing often presents significant…

cs.CV2025

Renormalization Group Guided Tensor Network Structure Search

Maolin Wang, Bowen Yu, Sheng Zhang +8

Tensor network structure search (TN-SS) aims to automatically discover optimal network topologies and rank configurations for efficient tensor decomposition in high-dimensional dat…

cs.IR2025

BlossomRec: Block-level Fused Sparse Attention Mechanism for Sequential Recommendations

Mengyang Ma, Xiaopeng Li, Wanyu Wang +9

Transformer structures have been widely used in sequential recommender systems (SRS). However, as user interaction histories increase, computational time and memory requirements al…

cs.CL2025

MTA: A Merge-then-Adapt Framework for Personalized Large Language Model

Xiaopeng Li, Yuanjin Zheng, Wanyu Wang +6

Personalized Large Language Models (PLLMs) aim to align model outputs with individual user preferences, a crucial capability for user-centric applications. However, the prevalent a…

cs.CL2025

RoSA: Enhancing Parameter-Efficient Fine-Tuning via RoPE-aware Selective Adaptation in Large Language Models

Dayan Pan, Jingyuan Wang, Yilong Zhou +3

Fine-tuning large language models is essential for task-specific adaptation, yet it remains computationally prohibitive. Parameter-Efficient Fine-Tuning (PEFT) methods have emerged…

cs.LG2025

Emotion and Intention Guided Multi-Modal Learning for Sticker Response Selection

Yuxuan Hu, Jian Chen, Yuhao Wang +6

Stickers are widely used in online communication to convey emotions and implicit intentions. The Sticker Response Selection (SRS) task aims to select the most contextually appropri…

cs.CL2025

Learning a Single Token to Replace Long System Prompts in LLMs

Jiancheng Dong, Pengyue Jia, Jingyu Peng +7

Long system prompts are widely used to steer Large Language Models (LLMs), but repeatedly processing them at inference time is inefficient and consumes valuable context budget. Thi…

cs.IR2025

Personalize Before Retrieve: LLM-based Personalized Query Expansion for User-Centric Retrieval

Yingyi Zhang, Pengyue Jia, Derong Xu +9

Retrieval-Augmented Generation (RAG) critically depends on effective query expansion to retrieve relevant information. However, existing expansion methods adopt uniform strategies…

cs.CV2025

GeoArena: Evaluating Open-World Geographic Reasoning in Large Vision-Language Models

Pengyue Jia, Yingyi Zhang, Xiangyu Zhao +1

Geographic reasoning is a fundamental cognitive capability that requires models to infer plausible locations by synthesizing visual evidence with spatial world knowledge. Despite r…

cs.IR2025★ 1 cited

Deep Research: A Survey of Autonomous Research Agents

Wenlin Zhang, Xiaopeng Li, Yingyi Zhang +5

The rapid advancement of large language models (LLMs) has driven the development of agentic systems capable of autonomously performing complex tasks. Despite their impressive capab…

cs.IR2025

Measure Domain's Gap: A Similar Domain Selection Principle for Multi-Domain Recommendation

Yi Wen, Yue Liu, Derong Xu +9

Multi-Domain Recommendation (MDR) achieves the desirable recommendation performance by effectively utilizing the transfer information across different domains. Despite the great su…

cs.CL2025★ 1 cited

From Single to Multi-Granularity: Toward Long-Term Memory Association and Selection of Conversational Agents

Derong Xu, Yi Wen, Pengyue Jia +8

Large Language Models (LLMs) have recently been widely adopted in conversational agents. However, the increasingly long interactions between users and agents accumulate extensive d…

cs.CL2025

Align-GRAG: Anchor and Rationale Guided Dual Alignment for Graph Retrieval-Augmented Generation

Derong Xu, Pengyue Jia, Xiaopeng Li +9

Despite the strong abilities, large language models (LLMs) still suffer from hallucinations and reliance on outdated knowledge, raising concerns in knowledge-intensive tasks. Graph…