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We present a novel approach for attacking black-box large language models (LLMs) by exploiting their ability to express confidence in natural language. Existing black-box attacks require either access to continuous model outputs like logits…

Cryptography and Security · Computer Science 2025-10-21 Jie Zhang , Meng Ding , Yang Liu , Jue Hong , Florian Tramèr

This paper aims to efficiently enable Large Language Models (LLMs) to use multimodal tools. Advanced proprietary LLMs, such as ChatGPT and GPT-4, have shown great potential for tool usage through sophisticated prompt engineering.…

Computer Vision and Pattern Recognition · Computer Science 2023-05-31 Rui Yang , Lin Song , Yanwei Li , Sijie Zhao , Yixiao Ge , Xiu Li , Ying Shan

Black-box prompt tuning employs derivative-free optimization algorithms to learn prompts within low-dimensional subspaces rather than back-propagating through the network of Large Language Models (LLMs). Recent studies reveal that black-box…

Computation and Language · Computer Science 2024-06-18 Yuanhang Zheng , Zhixing Tan , Peng Li , Yang Liu

Recently, various methods have been proposed to create open-domain conversational agents with Large Language Models (LLMs). These models are able to answer user queries, but in a one-way Q&A format rather than a true conversation.…

Computation and Language · Computer Science 2024-07-02 Ahmed Njifenjou , Virgile Sucal , Bassam Jabaian , Fabrice Lefèvre

Recent advancements in Large Vision-Language Models (LVLMs) have shown groundbreaking capabilities across diverse multimodal tasks. However, these models remain vulnerable to adversarial jailbreak attacks, where adversaries craft subtle…

Cryptography and Security · Computer Science 2026-01-23 Jiwei Guan , Haibo Jin , Haohan Wang

Fine-tuning Large Language Models (LLMs) has proven effective for a variety of downstream tasks. However, as LLMs grow in size, the memory demands for backpropagation become increasingly prohibitive. Zeroth-order (ZO) optimization methods…

Machine Learning · Computer Science 2025-07-25 Ziming Yu , Pan Zhou , Sike Wang , Jia Li , Mi Tian , Hua Huang

Large language models (LLMs) are increasingly adopted in educational technologies for a variety of tasks, from generating instructional materials and assisting with assessment design to tutoring. While prior work has investigated how models…

Computation and Language · Computer Science 2025-12-24 Kirk Vanacore , Rene F. Kizilcec

Recent breakthroughs in large language models (LLMs) have opened the door to in-depth investigation of their potential in tabular data modeling. However, effectively utilizing advanced LLMs in few-shot and even zero-shot scenarios is still…

Machine Learning · Computer Science 2025-08-14 Peng Wang , Dongsheng Wang , He Zhao , Hangting Ye , Dandan Guo , Yi Chang

Instruction-tuned Large Language Models (LLMs) have exhibited impressive language understanding and the capacity to generate responses that follow specific prompts. However, due to the computational demands associated with training these…

Computation and Language · Computer Science 2024-03-26 Yida Mu , Ben P. Wu , William Thorne , Ambrose Robinson , Nikolaos Aletras , Carolina Scarton , Kalina Bontcheva , Xingyi Song

The effectiveness of Large Language Models (LLMs) in solving tasks depends significantly on the quality of their instructions, which often require substantial human effort to craft. This underscores the need for automated instruction…

Computation and Language · Computer Science 2025-09-05 Salma Kharrat , Fares Fourati , Marco Canini

The advancements in large language models (LLMs) have brought significant progress in NLP tasks. However, if a task cannot be fully described in prompts, the models could fail to carry out the task. In this paper, we propose a simple yet…

Computation and Language · Computer Science 2025-06-10 Hwiyeol Jo , Hyunwoo Lee , Kang Min Yoo , Taiwoo Park

We introduce a large language model (LLM) based approach to answer complex questions requiring multi-hop numerical reasoning over financial reports. While LLMs have exhibited remarkable performance on various natural language and reasoning…

Computation and Language · Computer Science 2023-11-28 Karmvir Singh Phogat , Chetan Harsha , Sridhar Dasaratha , Shashishekar Ramakrishna , Sai Akhil Puranam

In this paper, we introduce a black-box prompt optimization method that uses an attacker LLM agent to uncover higher levels of memorization in a victim agent, compared to what is revealed by prompting the target model with the training data…

Computation and Language · Computer Science 2025-02-11 Aly M. Kassem , Omar Mahmoud , Niloofar Mireshghallah , Hyunwoo Kim , Yulia Tsvetkov , Yejin Choi , Sherif Saad , Santu Rana

Large Language Models (LLMs) have demonstrated remarkable reasoning abilities, prompting interest in their application as black-box optimizers. This paper asserts that LLMs possess the capability for zero-shot optimization across diverse…

Various methods for robot design optimization have been developed so far. These methods are diverse, ranging from numerical optimization to black-box optimization. While numerical optimization is fast, it is not suitable for cases involving…

Robotics · Computer Science 2026-02-19 Kento Kawaharazuka , Yoshiki Obinata , Naoaki Kanazawa , Haoyu Jia , Kei Okada

Large language models (LLMs) have demonstrated excellent zero-shot generalization to new language tasks. However, effective utilization of LLMs for zero-shot visual question-answering (VQA) remains challenging, primarily due to the modality…

Computer Vision and Pattern Recognition · Computer Science 2023-05-09 Jiaxian Guo , Junnan Li , Dongxu Li , Anthony Meng Huat Tiong , Boyang Li , Dacheng Tao , Steven C. H. Hoi

Large language models (LLMs) provide powerful means to leverage prior knowledge for predictive modeling when data is limited. In this work, we demonstrate how LLMs can use their compressed world knowledge to generate intrinsically…

Black-Box prompt optimization methods have emerged as a promising strategy for refining input prompts to better align large language models (LLMs), thereby enhancing their task performance. Although these methods have demonstrated…

Computation and Language · Computer Science 2025-05-14 Ziyu Zhou , Yihang Wu , Jingyuan Yang , Zhan Xiao , Rongjun Li

State-of-the-art intent classification (IC) and slot filling (SF) methods often rely on data-intensive deep learning models, limiting their practicality for industry applications. Large language models on the other hand, particularly…

Computation and Language · Computer Science 2024-03-27 Paramita Mirza , Viju Sudhi , Soumya Ranjan Sahoo , Sinchana Ramakanth Bhat

Software documentation is essential for program comprehension, developer onboarding, code review, and long-term maintenance. Yet producing quality documentation manually is time-consuming and frequently yields incomplete or inconsistent…

Software Engineering · Computer Science 2026-04-20 Afia Farjana , Zaiyu Cheng , Antonio Mastropaolo