English
Related papers

Related papers: A Metamorphic Testing Approach to Diagnosing Memor…

200 papers

Automatic program repair (APR) aims to reduce the manual efforts required to identify and fix errors in source code. Before the rise of LLM-based agents, a common strategy was to increase the number of generated patches, sometimes to the…

Software Engineering · Computer Science 2025-05-07 Fernando Vallecillos Ruiz , Max Hort , Leon Moonen

Large language models (LLMs) have recently achieved significant success across various application domains, garnering substantial attention from different communities. Unfortunately, even for the best LLM, many \textit{faults} still exist…

Software Engineering · Computer Science 2024-11-06 Qiang Hu , Jin Wen , Maxime Cordy , Yuheng Huang , Wei Ma , Xiaofei Xie , Lei Ma

The increasing complexity of large language models (LLMs) raises concerns about their ability to "cheat" on standard Question Answering (QA) benchmarks by memorizing task-specific data. This undermines the validity of benchmark evaluations,…

Computation and Language · Computer Science 2025-09-16 Yixiong Fang , Tianran Sun , Yuling Shi , Min Wang , Xiaodong Gu

Pretrained masked language models (MLMs) require finetuning for most NLP tasks. Instead, we evaluate MLMs out of the box via their pseudo-log-likelihood scores (PLLs), which are computed by masking tokens one by one. We show that PLLs…

Computation and Language · Computer Science 2021-01-05 Julian Salazar , Davis Liang , Toan Q. Nguyen , Katrin Kirchhoff

Large Language Models (LLMs) are increasingly applied in recommendation scenarios due to their strong natural language understanding and generation capabilities. However, they are trained on vast corpora whose contents are not publicly…

Information Retrieval · Computer Science 2026-01-06 Antonio Colacicco , Vito Guida , Dario Di Palma , Fedelucio Narducci , Tommaso Di Noia

Emerging Large Language Models (LLMs) like GPT-4 have revolutionized Natural Language Processing (NLP), showing potential in traditional tasks such as Named Entity Recognition (NER). Our study explores a three-phase training strategy that…

Computation and Language · Computer Science 2024-03-26 Yining Huang , Keke Tang , Meilian Chen

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

Fine-tuning large language models (LLMs) for downstream tasks often leads to catastrophic forgetting, notably degrading the safety of originally aligned models. While some existing methods attempt to restore safety by incorporating…

Computation and Language · Computer Science 2025-08-29 Hua Farn , Hsuan Su , Shachi H Kumar , Saurav Sahay , Shang-Tse Chen , Hung-yi Lee

Large Language Models (LLMs) have been gaining increasing attention and demonstrated promising performance across a variety of Software Engineering (SE) tasks, such as Automated Program Repair (APR), code summarization, and code completion.…

Software Engineering · Computer Science 2024-04-18 Quanjun Zhang , Tongke Zhang , Juan Zhai , Chunrong Fang , Bowen Yu , Weisong Sun , Zhenyu Chen

LLMs have garnered considerable attention for their potential to streamline Automated Program Repair (APR). LLM-based approaches can either insert the correct code or directly generate patches when provided with buggy methods. However, most…

Software Engineering · Computer Science 2025-09-30 Qiong Feng , Xiaotian Ma , Jiayi Sheng , Ziyuan Feng , Wei Song , Peng Liang

Amid the expanding use of pre-training data, the phenomenon of benchmark dataset leakage has become increasingly prominent, exacerbated by opaque training processes and the often undisclosed inclusion of supervised data in contemporary…

Computation and Language · Computer Science 2024-04-30 Ruijie Xu , Zengzhi Wang , Run-Ze Fan , Pengfei Liu

In this study, we evaluated the capability of Large Language Models (LLMs), particularly OpenAI's GPT-4, in detecting software vulnerabilities, comparing their performance against traditional static code analyzers like Snyk and Fortify. Our…

Software Engineering · Computer Science 2023-08-22 David Noever

Crash reports are central to software maintenance, yet many lack the diagnostic detail developers need to debug efficiently. We examine whether large language models can enhance crash reports by adding fault locations, root-cause…

Software Engineering · Computer Science 2025-09-18 S M Farah Al Fahim , Md Nakhla Rafi , Zeyang Ma , Dong Jae Kim , Tse-Hsun , Chen

Data rights owners can detect unauthorized data use in large language model (LLM) training by querying with proprietary samples. Often, superior performance (e.g., higher confidence or lower loss) on a sample relative to the untrained data…

Cryptography and Security · Computer Science 2026-05-29 Muxing Li , Zesheng Ye , Sharon Li , Feng Liu

Large Language Models (LLMs) have demonstrated remarkable performance in code completion. However, the training data used to develop these models often contain a significant amount of buggy code. Yet, it remains unclear to what extent these…

Software Engineering · Computer Science 2025-03-17 Liwei Guo , Sixiang Ye , Zeyu Sun , Xiang Chen , Yuxia Zhang , Bo Wang , Jie M. Zhang , Zheng Li , Yong Liu

While Large language model (LLM)-based programming assistants such as CoPilot and ChatGPT can help improve the productivity of professional software developers, they can also facilitate cheating in introductory computer programming courses.…

Computation and Language · Computer Science 2024-10-16 Saiful Islam Salim , Rubin Yuchan Yang , Alexander Cooper , Suryashree Ray , Saumya Debray , Sazzadur Rahaman

Assessing the trustworthiness of Large Language Models (LLMs), such as robustness, has garnered significant attention. Recently, metamorphic testing that defines Metamorphic Relations (MRs) has been widely applied to evaluate the robustness…

Software Engineering · Computer Science 2025-07-09 Sangwon Hyun , Shaukat Ali , M. Ali Babar

The memorization of training data in large language models (LLMs) poses significant privacy and copyright concerns. Existing data extraction methods, particularly heuristic-based divergence attacks, often exhibit limited success and offer…

Computation and Language · Computer Science 2025-11-11 Myeongseob Ko , Nikhil Reddy Billa , Adam Nguyen , Charles Fleming , Ming Jin , Ruoxi Jia

Low-bit weight-only quantization significantly reduces the memory footprint of large language models (LLMs), but disproportionately affects certain examples. We analyze diverse 3-4 bit methods on LLMs ranging from 7B-70B in size and find…

Machine Learning · Computer Science 2025-09-25 Ting-Yun Chang , Muru Zhang , Jesse Thomason , Robin Jia

With the advancement of Large Language Models (LLMs), their application in Software Quality Assurance (SQA) has increased. However, the current focus of these applications is predominantly on ChatGPT. There remains a gap in understanding…

Software Engineering · Computer Science 2024-09-04 Ratnadira Widyasari , David Lo , Lizi Liao