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Despite their strong performance, large language models (LLMs) face challenges in real-world application of lexical simplification (LS), particularly in privacy-sensitive and resource-constrained environments. Moreover, since vulnerable…

Computation and Language · Computer Science 2025-09-30 Akio Hayakawa , Stefan Bott , Horacio Saggion

Large Language Models (LLMs) like OpenAI's GPT series, Anthropic's Claude, and Meta's LLaMa have shown remarkable capabilities in text generation. However, their susceptibility to toxic prompts presents significant security challenges. This…

Cryptography and Security · Computer Science 2024-12-03 Jie Li , Yi Liu , Chongyang Liu , Xiaoning Ren , Ling Shi , Weisong Sun , Yinxing Xue

Large language models (LLMs) exhibit severe multilingual safety misalignment: they possess strong safeguards in high-resource languages but remain highly vulnerable to jailbreak attacks in low-resource languages. Current safety alignment…

Machine Learning · Computer Science 2026-05-11 Ruiyang Qin , Qingzhuo Wang , Dongrui Liu , Qiang Li , Zhihua Wei , Wen Shen

Model distillation is a fundamental technique in building large language models (LLMs), transferring knowledge from a teacher model to a student model. However, distillation can lead to model homogenization, reducing diversity among models…

Large Language Models (LLMs) become the start-of-the-art solutions for a variety of natural language tasks and are integrated into real-world applications. However, LLMs can be potentially harmful in manifesting undesirable safety issues…

Artificial Intelligence · Computer Science 2024-03-05 Zhuoer Xu , Jianping Zhang , Shiwen Cui , Changhua Meng , Weiqiang Wang

Leading open-source large language models (LLMs) such as Llama-3.1-Instruct-405B are extremely capable at generating text, answering questions, and solving a variety of natural language understanding tasks. However, they incur higher…

Machine Learning · Computer Science 2024-10-25 Anup Shirgaonkar , Nikhil Pandey , Nazmiye Ceren Abay , Tolga Aktas , Vijay Aski

We introduce a low-resource safety enhancement method for aligning large language models (LLMs) without the need for supervised fine-tuning (SFT) or reinforcement learning from human feedback (RLHF). Our main idea is to exploit knowledge…

Computation and Language · Computer Science 2024-06-07 Haozheng Luo , Jiahao Yu , Wenxin Zhang , Jialong Li , Jerry Yao-Chieh Hu , Xinyu Xing , Han Liu

While automated vulnerability detection techniques have made promising progress in detecting security vulnerabilities, their scalability and applicability remain challenging. The remarkable performance of Large Language Models (LLMs), such…

Cryptography and Security · Computer Science 2024-10-24 Avishree Khare , Saikat Dutta , Ziyang Li , Alaia Solko-Breslin , Rajeev Alur , Mayur Naik

Large Language Models (LLMs) have showcased exceptional capabilities in various domains, attracting significant interest from both academia and industry. Despite their impressive performance, the substantial size and computational demands…

Computation and Language · Computer Science 2024-07-03 Chuanpeng Yang , Wang Lu , Yao Zhu , Yidong Wang , Qian Chen , Chenlong Gao , Bingjie Yan , Yiqiang Chen

The increasing complexity of modern software systems exacerbates the prevalence of security vulnerabilities, posing risks of severe breaches and substantial economic loss. Consequently, robust code vulnerability detection is essential for…

Cryptography and Security · Computer Science 2025-10-09 Zhiyuan Wei , Xiaoxuan Yang , Jing Sun , Zijian Zhang

Knowledge distillation from proprietary LLM APIs poses a growing threat to model providers, yet defenses against this attack remain fragmented and unevaluated. We present DistillGuard, a framework for systematically evaluating output-level…

Cryptography and Security · Computer Science 2026-03-10 Bo Jiang

Deploying large language models (LLMs) is challenging because they are memory inefficient and compute-intensive for practical applications. In reaction, researchers train smaller task-specific models by either finetuning with human labels…

Computation and Language · Computer Science 2023-07-06 Cheng-Yu Hsieh , Chun-Liang Li , Chih-Kuan Yeh , Hootan Nakhost , Yasuhisa Fujii , Alexander Ratner , Ranjay Krishna , Chen-Yu Lee , Tomas Pfister

Large Language Models (LLMs) demonstrate exceptional reasoning capabilities, often achieving state-of-the-art performance in various tasks. However, their substantial computational and memory demands, due to billions of parameters, hinder…

Computation and Language · Computer Science 2024-11-25 Xunyu Zhu , Jian Li , Can Ma , Weiping Wang

As the scale and complexity of jailbreaking attacks on large language models (LLMs) continue to escalate, their efficiency and practical applicability are constrained, posing a profound challenge to LLM security. Jailbreaking techniques…

Computation and Language · Computer Science 2025-12-23 Xiang Li , Chong Zhang , Jia Wang , Fangyu Wu , Yushi Li , Xiaobo Jin

Owing to their powerful semantic reasoning capabilities, Large Language Models (LLMs) have been effectively utilized as recommenders, achieving impressive performance. However, the high inference latency of LLMs significantly restricts…

Information Retrieval · Computer Science 2024-08-21 Yu Cui , Feng Liu , Pengbo Wang , Bohao Wang , Heng Tang , Yi Wan , Jun Wang , Jiawei Chen

Public leaderboards increasingly suggest that large language models (LLMs) surpass human experts on benchmarks spanning academic knowledge, law, and programming. Yet most benchmarks are fully public, their questions widely mirrored across…

Artificial Intelligence · Computer Science 2026-03-18 Eshwar Reddy M , Sourav Karmakar

The last two years have seen a rapid growth in concerns around the safety of large language models (LLMs). Researchers and practitioners have met these concerns by creating an abundance of datasets for evaluating and improving LLM safety.…

Computation and Language · Computer Science 2025-01-13 Paul Röttger , Fabio Pernisi , Bertie Vidgen , Dirk Hovy

Knowledge distillation typically involves transferring knowledge from a Large Language Model (LLM) to a Smaller Language Model (SLM). However, in tasks such as text matching, fine-tuned smaller models often yield more effective…

Computation and Language · Computer Science 2025-07-09 Mingzhe Li , Jing Xiang , Qishen Zhang , Kaiyang Wan , Xiuying Chen

Large language models (LLMs) have garnered increasing attention owing to their powerful logical reasoning capabilities. Generally, larger LLMs (L-LLMs) that require paid interfaces exhibit significantly superior performance compared to…

Artificial Intelligence · Computer Science 2025-11-11 Dong Chen , Shilin Zhang , Fei Gao , Yueting Zhuang , Siliang Tang , Qidong Liu , Mingliang Xu

Large Language Models (LLMs) have recently gained attention due to their ability to understand and generate sophisticated human-like content. However, ensuring their safety is paramount as they might provide harmful and unsafe responses.…

Software Engineering · Computer Science 2025-01-29 Miriam Ugarte , Pablo Valle , José Antonio Parejo , Sergio Segura , Aitor Arrieta
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