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This paper introduces a novel changepoint detection framework that combines ensemble statistical methods with Large Language Models (LLMs) to enhance both detection accuracy and the interpretability of regime changes in time series data.…

As large language models (LLMs) continue to advance in programming tasks, LLM-driven coding systems have evolved from one-shot code generation into complex systems capable of iterative improvement during inference. However, existing code…

Software Engineering · Computer Science 2026-02-12 Wentao Zhang , Jianfeng Wang , Liheng Liang , Yilei Zhao , HaiBin Wen , Zhe Zhao

Training large language models (LLMs) from scratch requires significant computational resources, driving interest in developing smaller, domain-specific LLMs that maintain both efficiency and strong task performance. Medium-sized models…

Computation and Language · Computer Science 2026-03-02 Chaitali Bhattacharyya , Hyunsei Lee , Junyoung Lee , Shinhyoung Jang , Il hong Suh , Yeseong Kim

Large language models (LLMs) have revolutionized algorithm development, yet their application in symbolic regression, where algorithms automatically discover symbolic expressions from data, remains limited. In this paper, we propose a…

Neural and Evolutionary Computing · Computer Science 2026-04-01 Hengzhe Zhang , Qi Chen , Bing Xue , Wolfgang Banzhaf , Mengjie Zhang

Optimizing GPU kernels is critical for efficient modern machine learning systems yet remains challenging due to the complex interplay of design factors and rapid hardware evolution. Existing automated approaches typically treat Large…

Artificial Intelligence · Computer Science 2026-02-27 Shiyi Cao , Ziming Mao , Joseph E. Gonzalez , Ion Stoica

Recent advancements in large language models (LLMs) have significantly improved code generation and program comprehension, accelerating the evolution of software engineering. Current methods primarily enhance model performance by leveraging…

Computation and Language · Computer Science 2025-07-04 Weijie Lyu , Sheng-Jun Huang , Xuan Xia

The performance gap between closed-source and open-source large language models (LLMs) is largely attributed to disparities in access to high-quality training data. To bridge this gap, we introduce a novel framework for the automated…

Large Language Models (LLMs) drive scientific question-answering on modern search engines, yet their evaluation robustness remains underexplored. We introduce YESciEval, an open-source framework that combines fine-grained rubric-based…

Computation and Language · Computer Science 2025-05-30 Jennifer D'Souza , Hamed Babaei Giglou , Quentin Münch

Large language models (LLMs) have shown remarkable promise but remain challenging to continually improve through traditional finetuning, particularly when integrating capabilities from other specialized LLMs. Popular methods like ensemble…

Computation and Language · Computer Science 2025-06-02 Zhenglun Kong , Zheng Zhan , Shiyue Hou , Yifan Gong , Xin Meng , Pengwei Sui , Peiyan Dong , Xuan Shen , Zifeng Wang , Pu Zhao , Hao Tang , Stratis Ioannidis , Yanzhi Wang

Large language models (LLMs) typically undergo instruction tuning to enhance alignment. Recent studies emphasize that quality and diversity of instruction data are more crucial than quantity, highlighting the need to select diverse,…

Computation and Language · Computer Science 2025-09-03 Jiayi Shi , Yiwei Li , Shaoxiong Feng , Peiwen Yuan , Xinglin Wang , Yueqi Zhang , Chuyi Tan , Boyuan Pan , Huan Ren , Yao Hu , Kan Li

Ensembles of generative large language models (LLMs) are a promising way to compensate for individual model limitations, integrating the strengths of different LLMs. Existing LLM ensemble methods, however, face limitations such as…

Computation and Language · Computer Science 2026-03-09 Bo Lv , Nayu Liu , Chen Tang , Xin Liu , Yue Yu , Ping Luo

The rapid advancement of Large Language Models (LLMs) has outpaced the scalability of traditional evaluation benchmarks, which remain heavily dependent on labor-intensive expert curation. We address this bottleneck with Conv-to-Bench, a…

Feature transformation aims to reconstruct the feature space of raw features to enhance the performance of downstream models. However, the exponential growth in the combinations of features and operations poses a challenge, making it…

Machine Learning · Computer Science 2024-12-19 Nanxu Gong , Chandan K. Reddy , Wangyang Ying , Haifeng Chen , Yanjie Fu

Large language models (LLMs) are playing an increasingly important role in scientific research, yet there remains a lack of comprehensive benchmarks to evaluate the breadth and depth of scientific knowledge embedded in these models. To…

Computation and Language · Computer Science 2025-10-08 Kehua Feng , Xinyi Shen , Weijie Wang , Xiang Zhuang , Yuqi Tang , Qiang Zhang , Keyan Ding

Passwords still remain a dominant authentication method, yet their security is routinely subverted by predictable user choices and large-scale credential leaks. Automated password guessing is a key tool for stress-testing password policies…

Cryptography and Security · Computer Science 2026-04-15 Vladimir A. Mazin , Mikhail A. Zorin , Dmitrii S. Korzh , Elvir Z. Karimov , Dmitrii A. Bolokhov , Oleg Y. Rogov

We introduce Evolutionary Ensemble (EvE), a decentralized framework that organizes existing, highly capable coding agents into a live, co-evolving system for algorithmic discovery. Rather than reinventing the wheel within the "LLMs as…

Neural and Evolutionary Computing · Computer Science 2026-05-15 Zongmin Yu , Liu Yang

Large language models (LLMs) have significantly improved their reasoning capabilities; however, they still struggle with complex multi-step mathematical problem-solving due to error propagation, lack of self-correction, and limited…

Machine Learning · Computer Science 2025-03-10 Joykirat Singh , Tanmoy Chakraborty , Akshay Nambi

Understanding large-scale, complex software systems is a major challenge for developers, who spend a significant portion of their time on program comprehension. Traditional tools such as static visualizations and reverse engineering…

Software Engineering · Computer Science 2025-08-11 Yoseph Berhanu Alebachew

Many real-world coding challenges are open-ended and admit no known optimal solution. Yet, recent progress in LLM coding has focused on well-defined tasks such as feature implementation, bug fixing, and competitive programming. Open-ended…

The advent of large language models (LLMs) has significantly advanced artificial intelligence (AI) in software engineering (SE), with source code embeddings playing a crucial role in tasks such as source code clone detection and source code…

Software Engineering · Computer Science 2025-06-04 Zixiang Xian , Chenhui Cui , Rubing Huang , Chunrong Fang , Zhenyu Chen