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Domain-specific large language models (LLMs), typically developed by fine-tuning a pre-trained general-purpose LLM on specialized datasets, represent a significant advancement in applied AI. A common strategy in LLM fine-tuning is…

Fine-tuning large language models (LLMs) improves performance on domain-specific tasks but can lead to overfitting, making them unreliable on out-of-distribution (OoD) queries. We propose LoRA-BAM - a method that adds OoD detection monitors…

机器学习 · 计算机科学 2025-06-03 Changshun Wu , Tianyi Duan , Saddek Bensalem , Chih-Hong Cheng

Parameter quantization for Large Language Models (LLMs) has attracted increasing attentions recently in reducing memory costs and improving computational efficiency. Early approaches have been widely adopted. However, the existing methods…

机器学习 · 计算机科学 2024-06-04 Haoyu Wang , Bei Liu , Hang Shao , Bo Xiao , Ke Zeng , Guanglu Wan , Yanmin Qian

This paper studies the convergence rate of a continuous-time dynamical system for L1-minimization, known as the Locally Competitive Algorithm (LCA). Solving L1-minimization} problems efficiently and rapidly is of great interest to the…

动力系统 · 数学 2017-04-26 Aurèle Balavoine , Christopher J. Rozell , Justin Romberg

Language models (LMs) and their extension, vision-language models (VLMs), have achieved remarkable performance across various tasks. However, they still struggle with complex reasoning tasks that require multimodal or multilingual…

机器学习 · 计算机科学 2025-07-09 Wenyi Wu , Zixuan Song , Kun Zhou , Yifei Shao , Zhiting Hu , Biwei Huang

LLM benchmarks are increasingly dynamic: instead of containing a fixed set of questions, they define templates and parameters that can generate an effectively unlimited number of question variants. This flexibility is valuable, but it makes…

计算与语言 · 计算机科学 2026-04-21 Taylor Lundy , Narun K. Raman , Kevin Leyton-Brown

Fine-grained skill representations, commonly referred to as knowledge components (KCs), are fundamental to many approaches in student modeling and learning analytics. However, KC-level correctness labels are rarely available in real-world…

计算与语言 · 计算机科学 2026-03-31 Zhangqi Duan , Arnav Kankaria , Dhruv Kartik , Andrew Lan

Multi-modal Large Language Models (MLLMs) are increasingly prominent in the field of artificial intelligence. Visual instruction fine-tuning (IFT) is a vital process for aligning MLLMs' output with user's intentions. High-quality and…

计算机视觉与模式识别 · 计算机科学 2024-01-18 Xiaotian Han , Yiqi Wang , Bohan Zhai , Quanzeng You , Hongxia Yang

This paper presents a novel methodological framework for detecting and classifying latent constructs, including frames, narratives, and topics, from textual data using Open-Source Large Language Models (LLMs). The proposed hybrid approach…

计算与语言 · 计算机科学 2025-04-01 Maël Kubli

Click-through rate (CTR) prediction is a fundamental task in modern recommender systems. In recent years, the integration of large language models (LLMs) has been shown to effectively enhance the performance of traditional CTR methods.…

信息检索 · 计算机科学 2026-01-29 Yu Cui , Feng Liu , Jiawei Chen , Xingyu Lou , Changwang Zhang , Jun Wang , Yuegang Sun , Xiaohu Yang , Can Wang

General-purpose Large Language Models (LLMs) are frequently fine-tuned through supervised fine-tuning (SFT) to enhance performance in specific domains. Better results can be achieved by distilling the chain-of-thought of a larger model at…

机器学习 · 计算机科学 2026-03-24 Andrey Goncharov , Daniil Vyazhev , Petr Sychev , Edvard Khalafyan , Alexey Zaytsev

We present an analysis of the Locally Competitive Algorithm (LCA), a Hopfield-style neural network that efficiently solves sparse approximation problems (e.g., approximating a vector from a dictionary using just a few non-zero…

动力系统 · 数学 2015-03-19 Aurèle Balavoine , Justin Romberg , Christopher J. Rozell

The lambda-calculus is a peculiar computational model whose definition does not come with a notion of machine. Unsurprisingly, implementations of the lambda-calculus have been studied for decades. Abstract machines are implementations…

编程语言 · 计算机科学 2017-01-04 Beniamino Accattoli

Federated Learning (FL) presents an innovative approach to privacy-preserving distributed machine learning and enables efficient crowd intelligence on a large scale. However, a significant challenge arises when coordinating FL with crowd…

分布式、并行与集群计算 · 计算机科学 2023-09-06 Yuhao Zhou , Minjia Shi , Yuxin Tian , Yuanxi Li , Qing Ye , Jiancheng Lv

Advances in data collection and data storage technologies have given way to the establishment of transactional databases among companies and organizations, as they allow enormous amounts of data to be stored efficiently. Useful knowledge…

密码学与安全 · 计算机科学 2018-03-01 Vasileios Kagklis , Elias C. Stavropoulos , Vassilios S. Verykios

This paper studies stochastic optimization for a sum of compositional functions, where the inner-level function of each summand is coupled with the corresponding summation index. We refer to this family of problems as finite-sum coupled…

最优化与控制 · 数学 2023-06-13 Bokun Wang , Tianbao Yang

Graph combinatorial optimization (GCO) problems are central to domains like logistics and bioinformatics. While traditional solvers dominate, large language models (LLMs) offer new possibilities for structured reasoning, yet struggle with…

机器学习 · 计算机科学 2025-06-13 Zixiao Huang , Lifeng Guo , Wenhao Li , Junjie Sheng , Chuyun Shen , Haosheng Chen , Bo Jin , Changhong Lu , Xiangfeng Wang

In this work, we focus on designing an efficient Local Computation Algorithm (LCA) for the set cover problem, which is a core optimization task. The state-of-the-art LCA for computing $O(\log \Delta)$-approximate set cover, developed by…

数据结构与算法 · 计算机科学 2026-03-26 Slobodan Mitrović , Srikkanth Ramachandran , Ronitt Rubinfeld , Mihir Singhal

This study introduces a simple yet effective method for identifying similar data points across non-free text domains, such as tabular and image data, using Large Language Models (LLMs). Our two-step approach involves data point…

计算与语言 · 计算机科学 2024-10-01 Xianlong Zeng , Yijing Gao , Fanghao Song , Ang Liu

Bayesian optimization (BO) is a sequential decision-making tool widely used for optimizing expensive black-box functions. Recently, Large Language Models (LLMs) have shown remarkable adaptability in low-data regimes, making them promising…

机器学习 · 计算机科学 2025-10-10 Chih-Yu Chang , Milad Azvar , Chinedum Okwudire , Raed Al Kontar