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Related papers: Detecting Memorization in Large Language Models

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Catastrophic forgetting remains a formidable obstacle to building an omniscient model in large language models (LLMs). Despite the pioneering research on task-level forgetting in LLM fine-tuning, there is scant focus on forgetting during…

Computation and Language · Computer Science 2024-10-23 Chonghua Liao , Ruobing Xie , Xingwu Sun , Haowen Sun , Zhanhui Kang

This study investigates the mechanisms and factors influencing memorization in fine-tuned large language models (LLMs), with a focus on the medical domain due to its privacy-sensitive nature. We examine how different aspects of the…

Computation and Language · Computer Science 2025-08-06 Danil Savine

Large language models (LLMs) have shown impressive capabilities across a wide range of language tasks. However, their reasoning process is primarily guided by statistical patterns in training data, which limits their ability to handle novel…

Artificial Intelligence · Computer Science 2025-08-21 Hong Su

Large Language Models (LLMs) are huge artificial neural networks which primarily serve to generate text, but also provide a very sophisticated probabilistic model of language use. Since generating a semantically consistent text requires a…

Computation and Language · Computer Science 2024-04-09 Romuald A. Janik

This work analyses the text memorization behavior of large language models (LLMs) when subjected to nucleus sampling. Stochastic decoding methods like nucleus sampling are typically applied to overcome issues such as monotonous and…

Computation and Language · Computer Science 2024-08-30 Luka Borec , Philipp Sadler , David Schlangen

Training data leakage from Large Language Models (LLMs) raises serious concerns related to privacy, security, and copyright compliance. A central challenge in assessing this risk is distinguishing genuine memorization of training data from…

Machine Learning · Computer Science 2026-02-24 Trishita Tiwari , Ari Trachtenberg , G. Edward Suh

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) may memorize sensitive or copyrighted content, raising privacy and legal concerns. Due to the high cost of retraining from scratch, researchers attempt to employ machine unlearning to remove specific content…

Computation and Language · Computer Science 2025-08-12 Xiaojian Yuan , Tianyu Pang , Chao Du , Kejiang Chen , Weiming Zhang , Min Lin

Large Language Models (LLMs) have become increasingly central to recommendation scenarios due to their remarkable natural language understanding and generation capabilities. Although significant research has explored the use of LLMs for…

Information Retrieval · Computer Science 2025-05-16 Dario Di Palma , Felice Antonio Merra , Maurizio Sfilio , Vito Walter Anelli , Fedelucio Narducci , Tommaso Di Noia

Large Language Models (LLMs) store and retrieve vast amounts of factual knowledge acquired during pre-training. Prior research has localized and identified mechanisms behind knowledge recall; however, it has only focused on English…

Computation and Language · Computer Science 2025-06-12 Constanza Fierro , Negar Foroutan , Desmond Elliott , Anders Søgaard

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) often develop learned mechanisms specialized to specific datasets, such as reliance on domain-specific correlations, which yield high-confidence predictions without generalizable reasoning. While beneficial in…

Computation and Language · Computer Science 2025-07-15 Ameen Ali , Shahar Katz , Lior Wolf , Ivan Titov

Large language models (LLMs) are increasingly deployed on complex reasoning tasks, yet little is known about their ability to internally evaluate problem difficulty, which is an essential capability for adaptive reasoning and efficient…

Computation and Language · Computer Science 2025-10-14 Sunbowen Lee , Qingyu Yin , Chak Tou Leong , Jialiang Zhang , Yicheng Gong , Shiwen Ni , Min Yang , Xiaoyu Shen

In this study, we propose an axiomatic system to define and quantify the precise memorization and in-context reasoning effects used by the large language model (LLM) for language generation. These effects are formulated as non-linear…

Machine Learning · Computer Science 2024-05-21 Siyu Lou , Yuntian Chen , Xiaodan Liang , Liang Lin , Quanshi Zhang

Despite their wide adoption, the underlying training and memorization dynamics of very large language models is not well understood. We empirically study exact memorization in causal and masked language modeling, across model sizes and…

Computation and Language · Computer Science 2022-11-04 Kushal Tirumala , Aram H. Markosyan , Luke Zettlemoyer , Armen Aghajanyan

A distinction is often drawn between a model's ability to predict a label for an evaluation sample that is directly memorised from highly similar training samples versus an ability to predict the label via some method of generalisation. In…

Computation and Language · Computer Science 2023-11-22 Tim Hartill , Joshua Bensemann , Michael Witbrock , Patricia J. Riddle

Large language models (LLMs) hold promise for generating plans for complex tasks, but their effectiveness is limited by sequential execution, lack of control flow models, and difficulties in skill retrieval. Addressing these issues is…

Computation and Language · Computer Science 2024-10-18 Andrei Cosmin Redis , Mohammadreza Fani Sani , Bahram Zarrin , Andrea Burattin

Intelligent systems must maintain and manipulate task-relevant information online to adapt to dynamic environments and changing goals. This capacity, known as working memory, is fundamental to human reasoning and intelligence. Despite…

Machine Learning · Computer Science 2026-04-14 Hua-Dong Xiong , Li Ji-An , Jiaqi Huang , Robert C. Wilson , Kwonjoon Lee , Xue-Xin Wei

Memory emerges as the core module in the large language model (LLM)-based agents for long-horizon complex tasks (e.g., multi-turn dialogue, game playing, scientific discovery), where memory can enable knowledge accumulation, iterative…

Computation and Language · Computer Science 2026-05-04 Yanchen Wu , Tenghui Lin , Yingli Zhou , Fangyuan Zhang , Qintian Guo , Xun Zhou , Sibo Wang , Xilin Liu , Yuchi Ma , Yixiang Fang

Memorization is a fundamental component of intelligence for both humans and LLMs. However, while LLM performance scales rapidly, our understanding of memorization lags. Due to limited access to the pre-training data of LLMs, most previous…

Computation and Language · Computer Science 2026-03-24 Bowen Chen , Namgi Han , Yusuke Miyao