activity
20242026
collaborators

5 papers

cs.IR2026

ZeroGR: A Generalizable and Scalable Framework for Zero-Shot Generative Retrieval

Weiwei Sun, Keyi Kong, Xinyu Ma +5

Generative retrieval (GR) reformulates information retrieval (IR) by framing it as the generation of document identifiers (docids), thereby enabling end-to-end optimization and sea…

cs.CL2025

Scaling Long-Horizon LLM Agent via Context-Folding

Weiwei Sun, Miao Lu, Zhan Ling +4

Large language model (LLM) agents are fundamentally constrained by context length on long-horizon tasks. We introduce Context-Folding, a framework that empowers agents to actively…

cs.IR2025

Direct Retrieval-augmented Optimization: Synergizing Knowledge Selection and Language Models

Zhengliang Shi, Lingyong Yan, Weiwei Sun +7

Retrieval-augmented generation (RAG) integrates large language models ( LLM s) with retrievers to access external knowledge, improving the factuality of LLM generation in knowledge…

cs.IR2025

Replication and Exploration of Generative Retrieval over Dynamic Corpora

Zhen Zhang, Xinyu Ma, Weiwei Sun +6

Generative retrieval (GR) has emerged as a promising paradigm in information retrieval (IR). However, most existing GR models are developed and evaluated using a static document co…

cs.CL2024

Is ChatGPT Good at Search? Investigating Large Language Models as Re-Ranking Agents

Weiwei Sun, Lingyong Yan, Xinyu Ma +5

Large Language Models (LLMs) have demonstrated remarkable zero-shot generalization across various language-related tasks, including search engines. However, existing work utilizes…