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Related papers: Inside-Out: Hidden Factual Knowledge in LLMs

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This survey addresses the crucial issue of factuality in Large Language Models (LLMs). As LLMs find applications across diverse domains, the reliability and accuracy of their outputs become vital. We define the Factuality Issue as the…

Hallucination is a persistent challenge in large language models (LLMs), where even with rigorous quality control, models often generate distorted facts. This paradox, in which error generation continues despite high-quality training data,…

Computation and Language · Computer Science 2025-02-25 Yuji Zhang , Sha Li , Cheng Qian , Jiateng Liu , Pengfei Yu , Chi Han , Yi R. Fung , Kathleen McKeown , Chengxiang Zhai , Manling Li , Heng Ji

Factual knowledge encoded in Pre-trained Language Models (PLMs) enriches their representations and justifies their use as knowledge bases. Previous work has focused on probing PLMs for factual knowledge by measuring how often they can…

Computation and Language · Computer Science 2024-02-05 Paul Youssef , Jörg Schlötterer , Christin Seifert

Recent Language Models (LMs) have shown impressive capabilities in generating texts with the knowledge internalized in parameters. Yet, LMs often generate the factually incorrect responses to the given queries, since their knowledge may be…

Computation and Language · Computer Science 2023-10-20 Jinheon Baek , Soyeong Jeong , Minki Kang , Jong C. Park , Sung Ju Hwang

Large language models (LLMs) have a wealth of knowledge that allows them to excel in various Natural Language Processing (NLP) tasks. Current research focuses on enhancing their performance within their existing knowledge. Despite their…

Computation and Language · Computer Science 2023-05-31 Zhangyue Yin , Qiushi Sun , Qipeng Guo , Jiawen Wu , Xipeng Qiu , Xuanjing Huang

Query expansion methods powered by large language models (LLMs) have demonstrated effectiveness in zero-shot retrieval tasks. These methods assume that LLMs can generate hypothetical documents that, when incorporated into a query vector,…

Computation and Language · Computer Science 2025-06-05 Yejun Yoon , Jaeyoon Jung , Seunghyun Yoon , Kunwoo Park

Despite demonstrating impressive capabilities, Large Language Models (LLMs) still often struggle to accurately express the factual knowledge they possess, especially in cases where the LLMs' knowledge boundaries are ambiguous. To improve…

Computation and Language · Computer Science 2025-05-26 Boyang Xue , Fei Mi , Qi Zhu , Hongru Wang , Rui Wang , Sheng Wang , Erxin Yu , Xuming Hu , Kam-Fai Wong

Large language models (LLMs) have demonstrated strong capabilities in text understanding and generation. However, they often lack factuality, producing a mixture of true and false information, especially in long-form generation. In this…

Computation and Language · Computer Science 2025-09-26 Lifu Tu , Rui Meng , Shafiq Joty , Yingbo Zhou , Semih Yavuz

Machine unlearning techniques aim to mitigate unintended memorization in large language models (LLMs). However, existing approaches predominantly focus on the explicit removal of isolated facts, often overlooking latent inferential…

Given varying prompts regarding a factoid question, can a large language model (LLM) reliably generate factually correct answers? Existing LLMs may generate distinct responses for different prompts. In this paper, we study the problem of…

Computation and Language · Computer Science 2023-10-31 Qingxiu Dong , Jingjing Xu , Lingpeng Kong , Zhifang Sui , Lei Li

Large Language Models (LLMs) have demonstrated strong generalization across a wide range of tasks. Reasoning with LLMs is central to solving multi-step problems and complex decision-making. To support efficient reasoning, recent studies…

Computation and Language · Computer Science 2025-09-03 Jindong Li , Yali Fu , Li Fan , Jiahong Liu , Yao Shu , Chengwei Qin , Menglin Yang , Irwin King , Rex Ying

We analyze knowledge-based visual question answering, for which given a question, the models need to ground it into the visual modality and retrieve the relevant knowledge from a given large knowledge base (KB) to be able to answer. Our…

Artificial Intelligence · Computer Science 2024-04-17 Elham J. Barezi , Parisa Kordjamshidi

Large language models (LLMs), especially when instruction-tuned for chat, have become part of our daily lives, freeing people from the process of searching, extracting, and integrating information from multiple sources by offering a…

Computation and Language · Computer Science 2024-11-01 Yuxia Wang , Minghan Wang , Muhammad Arslan Manzoor , Fei Liu , Georgi Georgiev , Rocktim Jyoti Das , Preslav Nakov

Large language models (LLMs) are demonstrably capable of cross-lingual transfer, but can produce inconsistent output when prompted with the same queries written in different languages. To understand how language models are able to…

Computation and Language · Computer Science 2025-09-29 Zheng Wei Lim , Alham Fikri Aji , Trevor Cohn

Although large language models (LLMs) store vast amount of knowledge in their parameters, they still have limitations in the memorization and utilization of certain knowledge, leading to undesired behaviors such as generating untruthful and…

Computation and Language · Computer Science 2025-05-28 Moxin Li , Yong Zhao , Wenxuan Zhang , Shuaiyi Li , Wenya Xie , See-Kiong Ng , Tat-Seng Chua , Yang Deng

Large Language Models (LLMs) have shown great potential in Natural Language Processing (NLP) tasks. However, recent literature reveals that LLMs generate nonfactual responses intermittently, which impedes the LLMs' reliability for further…

Computation and Language · Computer Science 2024-03-22 Yukun Zhao , Lingyong Yan , Weiwei Sun , Guoliang Xing , Chong Meng , Shuaiqiang Wang , Zhicong Cheng , Zhaochun Ren , Dawei Yin

Recent work has suggested that language models (LMs) store both common-sense and factual knowledge learned from pre-training data. In this paper, we leverage this implicit knowledge to create an effective end-to-end fact checker using a…

Computation and Language · Computer Science 2020-07-27 Nayeon Lee , Belinda Z. Li , Sinong Wang , Wen-tau Yih , Hao Ma , Madian Khabsa

Large Language Models offer impressive language capabilities but suffer from well-known limitations, including hallucinations, biases, privacy concerns, and high computational costs. These issues are largely driven by the combination of…

Computation and Language · Computer Science 2025-09-03 Jaime Collado-Montañez , L. Alfonso Ureña-López , Arturo Montejo-Ráez

We evaluate the ability of Large Language Models (LLMs) to discern and express their internal knowledge state, a key factor in countering factual hallucination and ensuring reliable application of LLMs. We observe a robust self-awareness of…

Computation and Language · Computer Science 2024-01-30 Yuxin Liang , Zhuoyang Song , Hao Wang , Jiaxing Zhang

Large language models (LLMs) have garnered significant attention for their remarkable performance in a continuously expanding set of natural language processing tasks. However, these models have been shown to harbor inherent societal…

Computation and Language · Computer Science 2023-10-16 Abel Salinas , Louis Penafiel , Robert McCormack , Fred Morstatter