English
Related papers

Related papers: TPA: Next Token Probability Attribution for Detect…

200 papers

Retrieval Augmented Generation (RAG) has emerged as a promising solution to address hallucination issues in Large Language Models (LLMs). However, the integration of multiple retrieval sources, while potentially more informative, introduces…

Information Retrieval · Computer Science 2025-08-12 Wenlong Wu , Haofen Wang , Bohan Li , Peixuan Huang , Xinzhe Zhao , Lei Liang

Large Language Models (LLMs) have garnered significant attention for their impressive general-purpose capabilities. For applications requiring intricate domain knowledge, Retrieval-Augmented Generation (RAG) has shown a distinct advantage…

Computation and Language · Computer Science 2025-01-14 Tingwei Chen , Jiayi Chen , Zijian Zhao , Haolong Chen , Liang Zhang , Guangxu Zhu

Retrieval-Augmented Generation (RAG) models frequently encounter hallucination phenomena when integrating external information with internal parametric knowledge. Empirical studies demonstrate that the disequilibrium between external…

Computation and Language · Computer Science 2025-05-13 Lei Wang

Hallucination detection is critical for ensuring the reliability of large language models (LLMs) in context-based generation. Prior work has explored intrinsic signals available during generation, among which attention offers a direct view…

Computation and Language · Computer Science 2026-02-23 Siya Qi , Yudong Chen , Runcong Zhao , Qinglin Zhu , Zhanghao Hu , Wei Liu , Yulan He , Zheng Yuan , Lin Gui

Retrieval-Augmented Generation (RAG) systems remain susceptible to hallucinations despite grounding in retrieved evidence. While current detection methods leverage embedding similarity and natural language inference (NLI), their reliability…

Machine Learning · Computer Science 2025-12-22 Debu Sinha

A common and fundamental limitation of Generative AI (GenAI) is its propensity to hallucinate. While large language models (LLM) have taken the world by storm, without eliminating or at least reducing hallucinations, real-world GenAI…

Machine Learning · Computer Science 2024-12-03 Patrice Béchard , Orlando Marquez Ayala

This paper primarily focuses on the hallucinations caused due to AI language models(LLMs).LLMs have shown extraordinary Language understanding and generation capabilities .Still it has major a disadvantage hallucinations which give outputs…

Computation and Language · Computer Science 2026-04-07 Sailesh kiran kurra , Shiek Ruksana , Vishal Borusu

This article surveys Evaluation models to automatically detect hallucinations in Retrieval-Augmented Generation (RAG), and presents a comprehensive benchmark of their performance across six RAG applications. Methods included in our study…

Machine Learning · Computer Science 2025-04-08 Ashish Sardana

Retrieval-Augmented Generation (RAG) is widely used to augment the input to Large Language Models (LLMs) with external information, such as recent or domain-specific knowledge. Nonetheless, current models still produce closed-domain…

Computation and Language · Computer Science 2026-04-20 Fabian Ridder , Laurin Lessel , Malte Schilling

Hallucinations in large language models (LLMs) pose significant safety concerns that impede their broader deployment. Recent research in hallucination detection has demonstrated that LLMs' internal representations contain truthfulness…

Machine Learning · Computer Science 2025-11-11 Mengjia Niu , Hamed Haddadi , Guansong Pang

Graph-based Retrieval-Augmented Generation (GraphRAG) enhances Large Language Models (LLMs) by incorporating external knowledge from linearized subgraphs retrieved from knowledge graphs. However, LLMs struggle to interpret the relational…

Computation and Language · Computer Science 2025-12-11 Shanghao Li , Jinda Han , Yibo Wang , Yuanjie Zhu , Zihe Song , Langzhou He , Kenan Kamel A Alghythee , Philip S. Yu

Retrieval-Augmented Generation (RAG) systems have gained widespread adoption by application builders because they leverage sources of truth to enable Large Language Models (LLMs) to generate more factually sound responses. However,…

Computation and Language · Computer Science 2025-05-09 Alex Shan , John Bauer , Christopher D. Manning

Hallucinations present a significant challenge for large language models (LLMs). The utilization of parametric knowledge in generating factual content is constrained by the limited knowledge of LLMs, potentially resulting in internal…

Computation and Language · Computer Science 2025-10-07 Hanxing Ding , Liang Pang , Zihao Wei , Huawei Shen , Xueqi Cheng

Retrieval-augmented generation (RAG) relies on retrieved context to guide large language models (LLM), yet treats retrieval as a weak heuristic rather than verifiable evidence -- leading to unsupported answers, hallucinations, and reliance…

Computation and Language · Computer Science 2026-02-02 Björn Deiseroth , Max Henning Höth , Kristian Kersting , Letitia Parcalabescu

Large Language Models are prompting us to view more NLP tasks from a generative perspective. At the same time, they offer a new way of accessing information, mainly through the RAG framework. While there have been notable improvements for…

Computation and Language · Computer Science 2025-03-21 Alex-Razvan Ispas , Charles-Elie Simon , Fabien Caspani , Vincent Guigue

The hallucination problem of Large Language Models (LLMs) significantly limits their reliability and trustworthiness. Humans have a self-awareness process that allows us to recognize what we don't know when faced with queries. Inspired by…

Computation and Language · Computer Science 2024-10-01 Ziwei Ji , Delong Chen , Etsuko Ishii , Samuel Cahyawijaya , Yejin Bang , Bryan Wilie , Pascale Fung

Hallucinations remain a significant challenge in current Generative AI models, undermining trust in AI systems and their reliability. This study investigates how orchestrating multiple specialized Artificial Intelligent Agents can help…

Computation and Language · Computer Science 2025-01-27 Diego Gosmar , Deborah A. Dahl

Retrieval-augmented generation (RAG) appears as a promising method to alleviate the "hallucination" problem in large language models (LLMs), since it can incorporate external traceable resources for response generation. The essence of RAG…

Computation and Language · Computer Science 2024-10-16 Haosheng Qian , Yixing Fan , Ruqing Zhang , Jiafeng Guo

While large language models (LLMs) have taken great strides towards helping humans with a plethora of tasks, hallucinations remain a major impediment towards gaining user trust. The fluency and coherence of model generations even when…

Computation and Language · Computer Science 2024-08-23 Ben Snyder , Marius Moisescu , Muhammad Bilal Zafar

Retrieval-augmented generation (RAG) utilizes retrieved texts to enhance large language models (LLMs). Studies show that while RAG provides valuable external information (benefit), it may also mislead LLMs (detriment) with noisy or…

Computation and Language · Computer Science 2025-03-03 Shicheng Xu , Liang Pang , Huawei Shen , Xueqi Cheng