English
Related papers

Related papers: Demystifying Verbatim Memorization in Large Langua…

200 papers

Machine learning models exhibit two seemingly contradictory phenomena: training data memorization, and various forms of forgetting. In memorization, models overfit specific training examples and become susceptible to privacy attacks. In…

Large Language Models (LLMs) demonstrate remarkable capabilities, but their training on massive corpora poses significant risks from memorized sensitive information. To mitigate these issues and align with legal standards, unlearning has…

Computation and Language · Computer Science 2025-11-18 Ruichen Qiu , Jiajun Tan , Jiayue Pu , Honglin Wang , Xiao-Shan Gao , Fei Sun

Although large language models excel across many tasks, they can memorise training data and thereby expose private or copyrighted text. Most defences target the pre-training stage, leaving memorisation during fine-tuning, especially for…

Computation and Language · Computer Science 2025-10-14 Dean L. Slack , Noura Al Moubayed

Large language models (LLMs) have played a pivotal role in building communicative AI, yet they encounter the challenge of efficient updates. Model editing enables the manipulation of specific knowledge memories and the behavior of language…

Computation and Language · Computer Science 2024-10-28 Xinbei Ma , Tianjie Ju , Jiyang Qiu , Zhuosheng Zhang , Hai Zhao , Lifeng Liu , Yulong Wang

While many have shown how Large Language Models (LLMs) can be applied to a diverse set of tasks, the critical issues of data contamination and memorization are often glossed over. In this work, we address this concern for tabular data.…

Machine Learning · Computer Science 2024-12-05 Sebastian Bordt , Harsha Nori , Vanessa Rodrigues , Besmira Nushi , Rich Caruana

Large language models (LLMs) have been found to produce hallucinations when the question exceeds their internal knowledge boundaries. A reliable model should have a clear perception of its knowledge boundaries, providing correct answers…

Computation and Language · Computer Science 2024-08-20 Shiyu Ni , Keping Bi , Lulu Yu , Jiafeng Guo

Deploying large language models (LLMs) encounters challenges due to intensive computational and memory requirements. Our research examines vocabulary trimming (VT) inspired by restricting embedding entries to the language of interest to…

Computation and Language · Computer Science 2024-04-30 Nikolay Bogoychev , Pinzhen Chen , Barry Haddow , Alexandra Birch

While current large language models (LLMs) perform well on many knowledge-related tasks, they are limited by relying on their parameters as an implicit storage mechanism. As a result, they struggle with memorizing rare events and with…

Computation and Language · Computer Science 2025-04-18 Ali Modarressi , Abdullatif Köksal , Ayyoob Imani , Mohsen Fayyaz , Hinrich Schütze

Large language models (LLMs) have recently demonstrated exceptional code generation capabilities. However, there is a growing debate whether LLMs are mostly doing memorization (i.e., replicating or reusing large parts of their training…

Artificial Intelligence · Computer Science 2025-10-01 Lizhe Zhang , Wentao Chen , Li Zhong , Letian Peng , Zilong Wang , Jingbo Shang

Large language models (LLMs) have significantly advanced the field of natural language processing (NLP) through their extensive parameters and comprehensive data utilization. However, existing LLMs lack a dedicated memory unit, limiting…

Computation and Language · Computer Science 2024-10-25 Ali Modarressi , Ayyoob Imani , Mohsen Fayyaz , Hinrich Schütze

Understanding memorisation in language models has practical and societal implications, e.g., studying models' training dynamics or preventing copyright infringements. Prior work defines memorisation as the causal effect of training with an…

Machine Learning · Computer Science 2024-10-17 Pietro Lesci , Clara Meister , Thomas Hofmann , Andreas Vlachos , Tiago Pimentel

Despite the recent observation that large language models (LLMs) can store substantial factual knowledge, there is a limited understanding of the mechanisms of how they acquire factual knowledge through pretraining. This work addresses this…

Computation and Language · Computer Science 2024-11-13 Hoyeon Chang , Jinho Park , Seonghyeon Ye , Sohee Yang , Youngkyung Seo , Du-Seong Chang , Minjoon Seo

Large language models (LLMs) have achieved state-of-the-art performance on a series of natural language understanding tasks. However, these LLMs might rely on dataset bias and artifacts as shortcuts for prediction. This has significantly…

Computation and Language · Computer Science 2023-05-09 Mengnan Du , Fengxiang He , Na Zou , Dacheng Tao , Xia Hu

Large language models readily memorize arbitrary training instances, such as label noise, yet they perform strikingly well on reasoning tasks. In this work, we investigate how language models memorize label noise, and why such memorization…

Computation and Language · Computer Science 2025-10-03 Yupei Du , Philipp Mondorf , Silvia Casola , Yuekun Yao , Robert Litschko , Barbara Plank

Large language models (LLMs) have shown remarkable capabilities across various tasks, that are learned from massive amounts of text-based data. Although LLMs can control output sequence length, particularly in instruction-based settings,…

Computation and Language · Computer Science 2025-08-22 Sangjun Moon , Dasom Choi , Jingun Kwon , Hidetaka Kamigaito , Manabu Okumura

Although large language models (LLMs) have been touted for their ability to generate natural-sounding text, there are growing concerns around possible negative effects of LLMs such as data memorization, bias, and inappropriate language.…

Machine Learning · Computer Science 2023-05-10 Michael Kuchnik , Virginia Smith , George Amvrosiadis

Large language models (LLMs) achieve good performance on challenging reasoning benchmarks, yet could also make basic reasoning mistakes. This contrasting behavior is puzzling when it comes to understanding the mechanisms behind LLMs'…

Computation and Language · Computer Science 2025-03-05 Chulin Xie , Yangsibo Huang , Chiyuan Zhang , Da Yu , Xinyun Chen , Bill Yuchen Lin , Bo Li , Badih Ghazi , Ravi Kumar

The impressive linguistic abilities of large language models (LLMs) have recommended them as models of human sentence processing, with some conjecturing a positive 'quality-power' relationship (Wilcox et al., 2023), in which language…

Computation and Language · Computer Science 2025-05-20 Yi-Chien Lin , Hongao Zhu , William Schuler

LLMs have been found to memorize training textual sequences and regurgitate verbatim said sequences during text generation time. This fact is known to be the cause of privacy and related (e.g., copyright) problems. Unlearning in LLMs then…

Machine Learning · Computer Science 2024-05-07 George-Octavian Barbulescu , Peter Triantafillou

Existing large language models (LLMs) can only afford fix-sized inputs due to the input length limit, preventing them from utilizing rich long-context information from past inputs. To address this, we propose a framework, Language Models…

Computation and Language · Computer Science 2023-06-13 Weizhi Wang , Li Dong , Hao Cheng , Xiaodong Liu , Xifeng Yan , Jianfeng Gao , Furu Wei