activity
20172026
most citedA Deep Relevance Matching Model for Ad-hoc Retrieval

855 citations · 1.6k across the 64 of their papers we have counts for

collaborators

64 papers

cs.IR2026

From Ranked Documents to Reliable Contexts: An Answer-Oriented Context Construct Framework for AI Search

Yunfei Zhong, Yinqiong Cai, Lixin Su +7

Traditional Web search follows a human-facing paradigm in which users inspect ranked documents and synthesize information themselves. In AI Search, retrieved documents instead serv…

cs.CL2026

ZenGen: Social Mind for LLMs

ZenGen Team, Ao Xiang, Bi Jingping +57

As large language models move from isolated task solving toward long-term service in human environments, they require social intelligence: the ability to infer mental states, track…

cs.IR2026

Querit-Reranker: Training Compact Multilingual Rerankers via Efficient Label-Free Distribution Adaptation

Yunfei Zhong, Jun Yang, Wei Huang +7

A deployable multilingual reranker must not only generalize across languages, domains, and ranking tasks, but also remain efficient to serve as a second-stage reranker in practical…

cs.IR2026

On the Robustness of LLM-Based Dense Retrievers: A Systematic Analysis of Generalizability and Stability

Yongkang Li, Panagiotis Eustratiadis, Yixing Fan +1

Decoder-only large language models (LLMs) are increasingly replacing BERT-style architectures as the backbone for dense retrieval, achieving substantial performance gains and broad…

cs.IR2026

AdversarialCoT: Single-Document Retrieval Poisoning for LLM Reasoning

Hongru Song, Yu-An Liu, Ruqing Zhang +4

Retrieval-augmented generation (RAG) enhances large language model (LLM) reasoning by retrieving external documents, but also opens up new attack surfaces. We study knowledge-base…

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.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.IR2025

Reason to Retrieve: Enhancing Query Understanding through Decomposition and Interpretation

Yunfei Zhong, Jun Yang, Yixing Fan +4

Query understanding (QU) aims to accurately infer user intent to improve document retrieval. It plays a vital role in modern search engines. While large language models (LLMs) have…

cs.IR2025

On the Scaling of Robustness and Effectiveness in Dense Retrieval

Yu-An Liu, Ruqing Zhang, Jiafeng Guo +3

Robustness and Effectiveness are critical aspects of developing dense retrieval models for real-world applications. It is known that there is a trade-off between the two. Recent wo…

cs.IR2025

Chain-of-Thought Poisoning Attacks against R1-based Retrieval-Augmented Generation Systems

Hongru Song, Yu-an Liu, Ruqing Zhang +2

Retrieval-augmented generation (RAG) systems can effectively mitigate the hallucination problem of large language models (LLMs),but they also possess inherent vulnerabilities. Iden…

cs.IR2025

An Empirical Study of Evaluating Long-form Question Answering

Ning Xian, Yixing Fan, Ruqing Zhang +2

\Ac{LFQA} aims to generate lengthy answers to complex questions. This scenario presents great flexibility as well as significant challenges for evaluation. Most evaluations rely on…

cs.IR2025

TrustRAG: An Information Assistant with Retrieval Augmented Generation

Yixing Fan, Qiang Yan, Wenshan Wang +3

\Ac{RAG} has emerged as a crucial technique for enhancing large models with real-time and domain-specific knowledge. While numerous improvements and open-source tools have been pro…

cs.IR2024

Attack-in-the-Chain: Bootstrapping Large Language Models for Attacks Against Black-box Neural Ranking Models

Yu-An Liu, Ruqing Zhang, Jiafeng Guo +3

Neural ranking models (NRMs) have been shown to be highly effective in terms of retrieval performance. Unfortunately, they have also displayed a higher degree of sensitivity to att…

cs.IR2024★ 1 cited

HEC-GCN: Hypergraph Enhanced Cascading Graph Convolution Network for Multi-Behavior Recommendation

Yabo Yin, Xiaofei Zhu, Wenshan Wang +4

Multi-behavior recommendation (MBR) has garnered growing attention recently due to its ability to mitigate the sparsity issue by inferring user preferences from various auxiliary b…

cs.CL2024

A Claim Decomposition Benchmark for Long-form Answer Verification

Zhihao Zhang, Yixing Fan, Ruqing Zhang +1

The advancement of LLMs has significantly boosted the performance of complex long-form question answering tasks. However, one prominent issue of LLMs is the generated "hallucinatio…

cs.CL2024

On the Capacity of Citation Generation by Large Language Models

Haosheng Qian, Yixing Fan, Ruqing Zhang +1

Retrieval-augmented generation (RAG) appears as a promising method to alleviate the "hallucination" problem in large language models (LLMs), since it can incorporate external trace…

cs.CL2024

Controlling Risk of Retrieval-augmented Generation: A Counterfactual Prompting Framework

Lu Chen, Ruqing Zhang, Jiafeng Guo +2

Retrieval-augmented generation (RAG) has emerged as a popular solution to mitigate the hallucination issues of large language models. However, existing studies on RAG seldom addres…

cs.CL2024

Pretraining Data Detection for Large Language Models: A Divergence-based Calibration Method

Weichao Zhang, Ruqing Zhang, Jiafeng Guo +3

As the scale of training corpora for large language models (LLMs) grows, model developers become increasingly reluctant to disclose details on their data. This lack of transparency…

cs.IR2024★ 2 cited

Robust Neural Information Retrieval: An Adversarial and Out-of-distribution Perspective

Yu-An Liu, Ruqing Zhang, Jiafeng Guo +3

Recent advances in neural information retrieval (IR) models have significantly enhanced their effectiveness over various IR tasks. The robustness of these models, essential for ens…

cs.CL2024

QUITO-X: A New Perspective on Context Compression from the Information Bottleneck Theory

Yihang Wang, Xu Huang, Bowen Tian +6

Generative LLM have achieved remarkable success in various industrial applications, owing to their promising In-Context Learning capabilities. However, the issue of long context in…

cs.CL2024

QUITO: Accelerating Long-Context Reasoning through Query-Guided Context Compression

Wenshan Wang, Yihang Wang, Yixing Fan +2

In-context learning (ICL) capabilities are foundational to the success of large language models (LLMs). Recently, context compression has attracted growing interest since it can la…

cs.IR2024

Bootstrapped Pre-training with Dynamic Identifier Prediction for Generative Retrieval

Yubao Tang, Ruqing Zhang, Jiafeng Guo +3

Generative retrieval uses differentiable search indexes to directly generate relevant document identifiers in response to a query. Recent studies have highlighted the potential of…

cs.IR2024★ 1 cited

Multi-granular Adversarial Attacks against Black-box Neural Ranking Models

Yu-An Liu, Ruqing Zhang, Jiafeng Guo +3

Adversarial ranking attacks have gained increasing attention due to their success in probing vulnerabilities, and, hence, enhancing the robustness, of neural ranking models. Conven…

cs.IR2024★ 2 cited

Are Large Language Models Good at Utility Judgments?

Hengran Zhang, Ruqing Zhang, Jiafeng Guo +3

Retrieval-augmented generation (RAG) is considered to be a promising approach to alleviate the hallucination issue of large language models (LLMs), and it has received widespread a…