activity
20202026
most citedSemantic Models for the First-stage Retrieval: A Comprehensive Review

117 citations · 414 across the 107 of their papers we have counts for

collaborators
Showing 2025Show all

43 papers · 1 filter

cs.CL2025

Thinking Forward and Backward: Multi-Objective Reinforcement Learning for Retrieval-Augmented Reasoning

Wenda Wei, Yu-An Liu, Ruqing Zhang +6

Retrieval-augmented generation (RAG) has proven to be effective in mitigating hallucinations in large language models, yet its effectiveness remains limited in complex, multi-step…

cs.CL2025

RouteRAG: Efficient Retrieval-Augmented Generation from Text and Graph via Reinforcement Learning

Yucan Guo, Miao Su, Saiping Guan +4

Retrieval-Augmented Generation (RAG) integrates non-parametric knowledge into Large Language Models (LLMs), typically from unstructured texts and structured graphs. While recent pr…

cs.CL2025

StruProKGR: A Structural and Probabilistic Framework for Sparse Knowledge Graph Reasoning

Yucan Guo, Saiping Guan, Miao Su +4

Sparse Knowledge Graphs (KGs) are commonly encountered in real-world applications, where knowledge is often incomplete or limited. Sparse KG reasoning, the task of inferring missin…

cs.AI2025

Reward and Guidance through Rubrics: Promoting Exploration to Improve Multi-Domain Reasoning

Baolong Bi, Shenghua Liu, Yiwei Wang +6

Recent advances in reinforcement learning (RL) have significantly improved the complex reasoning capabilities of large language models (LLMs). Despite these successes, existing met…

cs.AI2025

KnowCoder-A1: Incentivizing Agentic Reasoning Capability with Outcome Supervision for KBQA

Zhuo Chen, Fei Wang, Zixuan Li +6

Knowledge Base Question Answering (KBQA) aims to answer natural-language questions over a structured Knowledge Base (KB). Recent work improves KBQA by adopting an agentic reasoning…

cs.CV2025

Compressing then Matching: An Efficient Pre-training Paradigm for Multimodal Embedding

Da Li, Yuxiao Luo, Keping Bi +7

Multimodal Large Language Models advance multimodal representation learning by acquiring transferable semantic embeddings, thereby substantially enhancing performance across a rang…

cs.IR2025

Can LLM Annotations Replace User Clicks for Learning to Rank?

Lulu Yu, Keping Bi, Jiafeng Guo +4

Large-scale supervised data is essential for training modern ranking models, but obtaining high-quality human annotations is costly. Click data has been widely used as a low-cost a…

cs.IR2025

C2T-ID: Converting Semantic Codebooks to Textual Document Identifiers for Generative Search

Yingchen Zhang, Ruqing Zhang, Jiafeng Guo +4

Designing document identifiers (docids) that carry rich semantic information while maintaining tractable search spaces is a important challenge in generative retrieval (GR). Popula…

cs.IR2025

LLMs as Sparse Retrievers:A Framework for First-Stage Product Search

Hongru Song, Yu-an Liu, Ruqing Zhang +6

Product search is a crucial component of modern e-commerce platforms, with billions of user queries every day. In product search systems, first-stage retrieval should achieve high…

cs.IR2025

A Generative Framework for Personalized Sticker Retrieval

Changjiang Zhou, Ruqing Zhang, Jiafeng Guo +4

Formulating information retrieval as a variant of generative modeling, specifically using autoregressive models to generate relevant identifiers for a given query, has recently att…

cs.IR2025

Retrieval-in-the-Chain: Bootstrapping Large Language Models for Generative Retrieval

Yingchen Zhang, Ruqing Zhang, Jiafeng Guo +3

Generative retrieval (GR) is an emerging paradigm that leverages large language models (LLMs) to autoregressively generate document identifiers (docids) relevant to a given query.…

cs.IR2025★ 1 cited

VeriCite: Towards Reliable Citations in Retrieval-Augmented Generation via Rigorous Verification

Haosheng Qian, Yixing Fan, Jiafeng Guo +4

Retrieval-Augmented Generation (RAG) has emerged as a crucial approach for enhancing the responses of large language models (LLMs) with external knowledge sources. Despite the impr…

cs.CL2025

Annotation-Efficient Universal Honesty Alignment

Shiyu Ni, Keping Bi, Jiafeng Guo +4

Honesty alignment-the ability of large language models (LLMs) to recognize their knowledge boundaries and express calibrated confidence-is essential for trustworthy deployment. Exi…

cs.AI2025★ 4 cited

A Survey of Vibe Coding with Large Language Models

Yuyao Ge, Lingrui Mei, Zenghao Duan +12

The advancement of large language models (LLMs) has catalyzed a paradigm shift from code generation assistance to autonomous coding agents, enabling a novel development methodology…

cs.SI2025

Beyond the Crowd: LLM-Augmented Community Notes for Governing Health Misinformation

Jiaying Wu, Zihang Fu, Haonan Wang +4

Community Notes, the crowd-sourced misinformation governance system on X (formerly Twitter), allows users to flag misleading posts, attach contextual notes, and rate the notes' hel…

cs.CL2025

LLM-Specific Utility for Retrieval-Augmented Generation

Hengran Zhang, Keping Bi, Jiafeng Guo +4

Retrieval-augmented generation (RAG) is typically optimized for topical relevance, yet its success ultimately depends on whether retrieved passages are useful for a large language…

cs.IR2025

Does Generative Retrieval Overcome the Limitations of Dense Retrieval?

Yingchen Zhang, Ruqing Zhang, Jiafeng Guo +3

Generative retrieval (GR) has emerged as a new paradigm in neural information retrieval, offering an alternative to dense retrieval (DR) by directly generating identifiers of relev…

cs.CV2025

Focusing by Contrastive Attention: Enhancing VLMs' Visual Reasoning

Yuyao Ge, Shenghua Liu, Yiwei Wang +6

Vision-Language Models (VLMs) have demonstrated remarkable success across diverse visual tasks, yet their performance degrades in complex visual environments. While existing enhanc…

cs.IR2025

How Do LLM-Generated Texts Impact Term-Based Retrieval Models?

Wei Huang, Keping Bi, Yinqiong Cai +3

As more content generated by large language models (LLMs) floods into the Internet, information retrieval (IR) systems now face the challenge of distinguishing and handling a blend…

cs.IR2025

A Comparative Study of Specialized LLMs as Dense Retrievers

Hengran Zhang, Keping Bi, Jiafeng Guo

While large language models (LLMs) are increasingly deployed as dense retrievers, the impact of their domain-specific specialization on retrieval effectiveness remains underexplore…

cs.CL2025★ 13 cited

A Survey of Context Engineering for Large Language Models

Lingrui Mei, Jiayu Yao, Yuyao Ge +12

The performance of Large Language Models (LLMs) is fundamentally determined by the contextual information provided during inference. This survey introduces Context Engineering, a f…

cs.CL2025

RefineX: Learning to Refine Pre-training Data at Scale from Expert-Guided Programs

Baolong Bi, Shenghua Liu, Xingzhang Ren +7

The foundational capabilities of large language models (LLMs) are deeply influenced by the quality of their pre-training corpora. However, enhancing data quality at scale remains a…

cs.IR2025

Injecting External Knowledge into the Reasoning Process Enhances Retrieval-Augmented Generation

Minghao Tang, Shiyu Ni, Jiafeng Guo +1

Retrieval-augmented generation (RAG) has been widely adopted to augment large language models (LLMs) with external knowledge for knowledge-intensive tasks. However, its effectivene…

cs.IR2025

Distilling a Small Utility-Based Passage Selector to Enhance Retrieval-Augmented Generation

Hengran Zhang, Keping Bi, Jiafeng Guo +4

Retrieval-augmented generation (RAG) enhances large language models (LLMs) by incorporating retrieved information. Standard retrieval process prioritized relevance, focusing on top…