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20202026
most citedUncovering ChatGPT's Capabilities in Recommender Systems

187 citations · 257 across the 27 of their papers we have counts for

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16 papers · 1 filter

cs.IR2026

GenRecEdit: Adapting Model Editing for Generative Recommendation with Cold-Start Items

Chenglei Shen, Teng Shi, Weijie Yu +2

Generative recommendation (GR) has shown strong potential for sequential recommendation in an end-to-end generation paradigm. However, existing GR models suffer from severe cold-st…

cs.IR2025

LLaDA-Rec: Discrete Diffusion for Parallel Semantic ID Generation in Generative Recommendation

Teng Shi, Chenglei Shen, Weijie Yu +6

Generative recommendation represents each item as a semantic ID, i.e., a sequence of discrete tokens, and generates the next item through autoregressive decoding. While effective,…

cs.IR2025

PrLM: Learning Explicit Reasoning for Personalized RAG via Contrastive Reward Optimization

Kepu Zhang, Teng Shi, Weijie Yu +1

Personalized retrieval-augmented generation (RAG) aims to produce user-tailored responses by incorporating retrieved user profiles alongside the input query. Existing methods prima…

cs.IR2025

Bridging Search and Recommendation through Latent Cross Reasoning

Teng Shi, Weicong Qin, Weijie Yu +4

Search and recommendation (S&R) are fundamental components of modern online platforms, yet effectively leveraging search behaviors to improve recommendation remains a challenging p…

cs.IR2025

Benefit from Rich: Tackling Search Interaction Sparsity in Search Enhanced Recommendation

Teng Shi, Weijie Yu, Xiao Zhang +3

In modern online platforms, search and recommendation (S&R) often coexist, offering opportunities for performance improvement through search-enhanced approaches. Existing studies s…

cs.IR2025

Similarity = Value? Consultation Value Assessment and Alignment for Personalized Search

Weicong Qin, Yi Xu, Weijie Yu +6

Personalized search systems in e-commerce platforms increasingly involve user interactions with AI assistants, where users consult about products, usage scenarios, and more. Levera…

cs.IR2025

Decoding Recommendation Behaviors of In-Context Learning LLMs Through Gradient Descent

Yi Xu, Weicong Qin, Weijie Yu +3

Recently, there has been a growing trend in utilizing large language models (LLMs) for recommender systems, referred to as LLMRec. A notable approach within this trend is not to fi…

cs.IR2025

QE-RAG: A Robust Retrieval-Augmented Generation Benchmark for Query Entry Errors

Kepu Zhang, Zhongxiang Sun, Weijie Yu +5

Retriever-augmented generation (RAG) has become a widely adopted approach for enhancing the factual accuracy of large language models (LLMs). While current benchmarks evaluate the…

cs.IR2025

MAPS: Motivation-Aware Personalized Search via LLM-Driven Consultation Alignment

Weicong Qin, Yi Xu, Weijie Yu +5

Personalized product search aims to retrieve and rank items that match users' preferences and search intent. Despite their effectiveness, existing approaches typically assume that…

cs.IR2024

Paragon: Parameter Generation for Controllable Multi-Task Recommendation

Chenglei Shen, Jiahao Zhao, Xiao Zhang +3

Commercial recommender systems face the challenge that task requirements from platforms or users often change dynamically (e.g., varying preferences for accuracy or diversity). Ide…

cs.IR2024

MoRE: A Mixture of Reflectors Framework for Large Language Model-Based Sequential Recommendation

Weicong Qin, Yi Xu, Weijie Yu +5

Large language models (LLMs) have emerged as a cutting-edge approach in sequential recommendation, leveraging historical interactions to model dynamic user preferences. Current met…

cs.IR2024★ 2 cited

Logic Rules as Explanations for Legal Case Retrieval

Zhongxiang Sun, Kepu Zhang, Weijie Yu +2

In this paper, we address the issue of using logic rules to explain the results from legal case retrieval. The task is critical to legal case retrieval because the users (e.g., law…

cs.IR2024

UOEP: User-Oriented Exploration Policy for Enhancing Long-Term User Experiences in Recommender Systems

Changshuo Zhang, Sirui Chen, Xiao Zhang +3

Reinforcement learning (RL) has gained traction for enhancing user long-term experiences in recommender systems by effectively exploring users' interests. However, modern recommend…

cs.IR2023★ 16 cited

Explicitly Integrating Judgment Prediction with Legal Document Retrieval: A Law-Guided Generative Approach

Weicong Qin, Zelin Cao, Weijie Yu +3

Legal document retrieval and judgment prediction are crucial tasks in intelligent legal systems. In practice, determining whether two documents share the same judgments is essentia…

cs.IR2023★ 187 cited

Uncovering ChatGPT's Capabilities in Recommender Systems

Sunhao Dai, Ninglu Shao, Haiyuan Zhao +6

The debut of ChatGPT has recently attracted the attention of the natural language processing (NLP) community and beyond. Existing studies have demonstrated that ChatGPT shows signi…

cs.IR2022★ 46 cited

Explainable Legal Case Matching via Inverse Optimal Transport-based Rationale Extraction

Weijie Yu, Zhongxiang Sun, Jun Xu +4

As an essential operation of legal retrieval, legal case matching plays a central role in intelligent legal systems. This task has a high demand on the explainability of matching r…