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Related papers: MASPOB: Bandit-Based Prompt Optimization for Multi…

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Large Multimodal Models (LMMs) exhibit remarkable multi-tasking ability by learning mixed instruction datasets. However, novel tasks would be encountered sequentially in dynamic world, which urges for equipping LMMs with multimodal…

Computer Vision and Pattern Recognition · Computer Science 2025-08-26 Fanhu Zeng , Fei Zhu , Haiyang Guo , Xu-Yao Zhang , Cheng-Lin Liu

Many modern AI and ML problems require evaluating partners' contributions through shared yet asymmetric, computationally intensive processes and the simultaneous selection of the most beneficial candidates. Sequential approaches to these…

Machine Learning · Computer Science 2026-01-01 András Antos , András Millinghoffer , Péter Antal

Bandit algorithms and Large Language Models (LLMs) have emerged as powerful tools in artificial intelligence, each addressing distinct yet complementary challenges in decision-making and natural language processing. This survey explores the…

Artificial Intelligence · Computer Science 2025-10-01 Djallel Bouneffouf , Raphael Feraud

In recent years, the integration of communication and control systems has gained significant traction in various domains, ranging from autonomous vehicles to industrial automation and beyond. Multi-armed bandit (MAB) algorithms have proven…

Systems and Control · Electrical Eng. & Systems 2024-05-16 Hiba Dakdouk , Mohamed Sana , Mattia Merluzzi

In recent years, the use of prompts to guide the output of Large Language Models have increased dramatically. However, even the best of experts struggle to choose the correct words to stitch up a prompt for the desired task. To solve this,…

Computation and Language · Computer Science 2025-04-30 Yash Jain , Vishal Chowdhary

Prompt engineering plays a critical role in adapting large language models (LLMs) to complex reasoning and labeling tasks without the need for extensive fine-tuning. In this paper, we propose a novel prompt optimization pipeline for frame…

Computation and Language · Computer Science 2025-12-23 Do Minh Duc , Quan Xuan Truong , Nguyen Tat Dat , Nguyen Van Vinh

Modern deep learning methods are very sensitive to many hyperparameters, and, due to the long training times of state-of-the-art models, vanilla Bayesian hyperparameter optimization is typically computationally infeasible. On the other…

Machine Learning · Computer Science 2018-07-06 Stefan Falkner , Aaron Klein , Frank Hutter

Large language models (LLMs) are versatile, yet their deployment in complex real-world settings is limited by static knowledge cutoffs and the difficulty of producing controllable behavior within a single inference. Multi-agent search…

Machine Learning · Computer Science 2026-04-21 Guanzhong Chen , Shaoxiong Yang , Chao Li , Wei Liu , Jian Luan , Zenglin Xu

Prompt engineering is crucial for unlocking the potential of Large Language Models (LLMs). Still, since manual prompt design is often complex, non-intuitive, and time-consuming, automatic prompt optimization has emerged as a research area.…

Computation and Language · Computer Science 2025-10-30 Sara Câmara , Eduardo Luz , Valéria Carvalho , Ivan Meneghini , Gladston Moreira

Decision trees, without appropriate constraints, can easily become overly complex and prone to overfit, capturing noise rather than generalizable patterns. To resolve this problem,pruning operation is a crucial part in optimizing decision…

Machine Learning · Computer Science 2025-08-11 Hasibul Karim Shanto , Umme Ayman Koana , Shadikur Rahman

Automatic prompt optimization is a promising direction to boost the performance of Large Language Models (LLMs). However, existing methods often suffer from noisy and conflicting update signals. In this research, we propose C-MOP…

Computation and Language · Computer Science 2026-02-12 Binwei Yan , Yifei Fu , Mingjian Zhu , Hanting Chen , Mingxuan Yuan , Yunhe Wang , Hailin Hu

The multi-armed bandit (MAB) problem models a decision-maker that optimizes its actions based on current and acquired new knowledge to maximize its reward. This type of online decision is prominent in many procedures of Brain-Computer…

Artificial Intelligence · Computer Science 2022-11-10 Frida Heskebeck , Carolina Bergeling , Bo Bernhardsson

Prompt engineering is essential for optimizing large language models (LLMs), yet the link between prompt structures and task performance remains underexplored. This work introduces an evolutionary approach that combines context-free grammar…

Computation and Language · Computer Science 2025-04-22 Gabriel Machado Santos , Rita Maria da Silva Julia , Marcelo Zanchetta do Nascimento

Efficient use of large language models (LLMs) is critical for deployment at scale: without adaptive routing, systems either overpay for strong models or risk poor performance from weaker ones. Selecting the right LLM for each query is…

Machine Learning · Computer Science 2025-10-10 Wang Wei , Tiankai Yang , Hongjie Chen , Yue Zhao , Franck Dernoncourt , Ryan A. Rossi , Hoda Eldardiry

Synthetic data has become a cornerstone for scaling large language models, yet its multilingual use remains bottlenecked by translation-based prompts. This strategy inherits English-centric framing and style and neglects cultural…

Computation and Language · Computer Science 2025-10-23 David Mora , Viraat Aryabumi , Wei-Yin Ko , Sara Hooker , Julia Kreutzer , Marzieh Fadaee

Large language models (LLMs) typically operate in a question-answering paradigm, where the quality of the input prompt critically affects the response. Automated Prompt Optimization (APO) aims to overcome the cognitive biases of manually…

Computation and Language · Computer Science 2025-11-13 Jian Zhang , Zhangqi Wang , Haiping Zhu , Kangda Cheng , Kai He , Bo Li , Qika Lin , Jun Liu , Erik Cambria

Large language models (LLMs) are highly sensitive to prompts, but most automatic prompt optimization (APO) methods assume access to ground-truth references (e.g., labeled validation data) that are costly to obtain. We propose the Prompt…

Computation and Language · Computer Science 2026-04-10 Yuanchen Wu , Saurabh Verma , Justin Lee , Fangzhou Xiong , Poppy Zhang , Amel Awadelkarim , Xu Chen , Yubai Yuan , Shawndra Hill

Natural Language Processing (NLP) systems are increasingly taking the form of sophisticated modular pipelines, e.g., Retrieval Augmented Generation (RAG), where each module may involve a distinct Language Model (LM) and an associated prompt…

Computation and Language · Computer Science 2024-10-08 Dilara Soylu , Christopher Potts , Omar Khattab

Large Language Models (LLMs) are increasingly embedded in enterprise workflows, yet their performance remains highly sensitive to prompt design. Automatic Prompt Optimization (APO) seeks to mitigate this instability, but existing approaches…

Artificial Intelligence · Computer Science 2026-02-03 Wei Chen , Yanbin Fang , Shuran Fu , Fasheng Xu , Xuan Wei

Prompt optimization and fine-tuning are two major approaches to improve the performance of Large Language Models (LLMs). They enhance the capabilities of LLMs from complementary perspectives: the former through explicit natural language,…

Computation and Language · Computer Science 2026-03-03 Xiaohe Bo , Rui Li , Zexu Sun , Quanyu Dai , Zeyu Zhang , Zihang Tian , Xu Chen , Zhenhua Dong