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20242026
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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.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.IR2024

Content-Based Collaborative Generation for Recommender Systems

Yidan Wang, Zhaochun Ren, Weiwei Sun +9

Generative models have emerged as a promising utility to enhance recommender systems. It is essential to model both item content and user-item collaborative interactions in a unifi…

cs.IR2024

MAIR: A Massive Benchmark for Evaluating Instructed Retrieval

Weiwei Sun, Zhengliang Shi, Jiulong Wu +6

Recent information retrieval (IR) models are pre-trained and instruction-tuned on massive datasets and tasks, enabling them to perform well on a wide range of tasks and potentially…