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Large Language Models (LLMs) have demonstrated remarkable capabilities in many real-world applications. Nonetheless, LLMs are often criticized for their tendency to produce hallucinations, wherein the models fabricate incorrect statements…

计算与语言 · 计算机科学 2024-06-05 Qinggang Zhang , Junnan Dong , Hao Chen , Daochen Zha , Zailiang Yu , Xiao Huang

The growing trend of Large Language Models (LLM) development has attracted significant attention, with models for various applications emerging consistently. However, the combined application of Large Language Models with semantic…

计算与语言 · 计算机科学 2023-05-09 Milena Trajanoska , Riste Stojanov , Dimitar Trajanov

Large language models (LLMs) often generate content with unsupported or unverifiable content, known as "hallucinations." To address this, retrieval-augmented LLMs are employed to include citations in their content, grounding the content in…

信息检索 · 计算机科学 2024-08-23 Weijia Zhang , Mohammad Aliannejadi , Jiahuan Pei , Yifei Yuan , Jia-Hong Huang , Evangelos Kanoulas

Enterprise-scale knowledge management faces significant challenges in integrating multi-source heterogeneous data and enabling effective semantic reasoning. Traditional knowledge graphs often struggle with implicit relationship discovery…

计算与语言 · 计算机科学 2026-02-03 Yao Zhang , Hongyin Zhu

Large Language Models (LLMs) increasingly mediate access to scholarly information, yet their outputs are typically evaluated at the level of individual statements rather than knowledge structure. This paper introduces structural…

社会与信息网络 · 计算机科学 2026-03-03 Moses Boudourides

Forecasting transformative technologies remains a critical but challenging task, particularly in fast-evolving domains such as Information and Communication Technologies (ICTs). Traditional expert-based methods struggle to keep pace with…

Large language models (LLMs) are known to hallucinate, producing natural language outputs that are not grounded in the input, reference materials, or real-world knowledge. In enterprise applications where AI features support business…

Large Language Models (LLMs) have gained significant popularity for their impressive performance across diverse fields. However, LLMs are prone to hallucinate untruthful or nonsensical outputs that fail to meet user expectations in many…

计算与语言 · 计算机科学 2023-11-23 Tianhang Zhang , Lin Qiu , Qipeng Guo , Cheng Deng , Yue Zhang , Zheng Zhang , Chenghu Zhou , Xinbing Wang , Luoyi Fu

Natural language processing (NLP) has been widely used in quantitative finance, but traditional methods often struggle to capture rich narratives in corporate disclosures, leaving potentially informative signals under-explored. Large…

This paper addresses the challenge of improving information retrieval from semi-structured eXtensible Markup Language (XML) documents. Traditional information retrieval systems (IRS) often overlook user-specific needs and return identical…

信息检索 · 计算机科学 2026-03-24 Ounnaci Iddir , Ahmed-ouamer Rachid , Tai Dinh

Large language models (LLMs) are increasingly used in newsroom workflows, but their tendency to hallucinate poses risks to core journalistic practices of sourcing, attribution, and accuracy. We evaluate three widely used tools - ChatGPT,…

计算与语言 · 计算机科学 2025-10-01 Nick Hagar , Wilma Agustianto , Nicholas Diakopoulos

As LLM-powered chatbots are increasingly deployed in mental health services, detecting hallucinations and omissions has become critical for user safety. However, state-of-the-art LLM-as-a-judge methods often fail in high-risk healthcare…

计算与语言 · 计算机科学 2026-04-09 Khizar Hussain , Bradley A. Malin , Zhijun Yin , Susannah Leigh Rose , Murat Kantarcioglu

Ontology-based knowledge graph (KG) construction is a core technology that enables multidimensional understanding and advanced reasoning over domain knowledge. Industrial standards, in particular, contain extensive technical information and…

信息检索 · 计算机科学 2025-12-23 Jiin Park , Hyuna Jeon , Yoonseo Lee , Jisu Hong , Misuk Kim

Legal dispute analysis is crucial for intelligent legal assistance systems. However, current LLMs face significant challenges in understanding complex legal concepts, maintaining reasoning consistency, and accurately citing legal sources.…

人工智能 · 计算机科学 2025-09-03 Mingda Zhang , Na Zhao , Jianglong Qing , Qing xu , Kaiwen Pan , Ting luo

Context-grounded hallucinations are cases where model outputs contain information not verifiable against the source text. We study the applicability of LLMs for localizing such hallucinations, as a more practical alternative to existing…

计算与语言 · 计算机科学 2025-09-30 Yehonatan Peisakhovsky , Zorik Gekhman , Yosi Mass , Liat Ein-Dor , Roi Reichart

This article presents a method for verifying RDF triples using LLMs, with an emphasis on providing traceable arguments. Because the LLMs cannot currently reliably identify the origin of the information used to construct the response to the…

人工智能 · 计算机科学 2025-06-12 Daniel Adam , Tomáš Kliegr

Although Large Language Models (LLMs) are effective in performing various NLP tasks, they still struggle to handle tasks that require extensive, real-world knowledge, especially when dealing with long-tail facts (facts related to long-tail…

计算与语言 · 计算机科学 2024-05-13 Wenyu Huang , Guancheng Zhou , Mirella Lapata , Pavlos Vougiouklis , Sebastien Montella , Jeff Z. Pan

LLMs often produce fluent but incorrect answers, yet detecting such hallucinations typically requires multiple sampling passes or post-hoc verification, adding significant latency and cost. We hypothesize that intermediate layers encode…

计算与语言 · 计算机科学 2026-01-30 Rohan Bhatnagar , Youran Sun , Chi Andrew Zhang , Yixin Wen , Haizhao Yang

Incorporating factual knowledge in knowledge graph is regarded as a promising approach for mitigating the hallucination of large language models (LLMs). Existing methods usually only use the user's input to query the knowledge graph, thus…

计算与语言 · 计算机科学 2023-11-23 Xinyan Guan , Yanjiang Liu , Hongyu Lin , Yaojie Lu , Ben He , Xianpei Han , Le Sun

Large Language Models (LLMs) are reported to hold undesirable attestation bias on inference tasks: when asked to predict if a premise P entails a hypothesis H, instead of considering H's conditional truthfulness entailed by P, LLMs tend to…

计算与语言 · 计算机科学 2024-08-27 Tianyang Liu , Tianyi Li , Liang Cheng , Mark Steedman