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Supervised fine-tuning (SFT) is a pivotal approach to adapting large language models (LLMs) for downstream tasks; however, performance often suffers from the ``seesaw phenomenon'', where indiscriminate parameter updates yield progress on…

计算与语言 · 计算机科学 2025-09-22 Yao Wang , Di Liang , Minlong Peng

Federated learning enables collaborative model training across distributed clients while preserving data privacy. However, in practical deployments, device heterogeneity, non-independent, and identically distributed (Non-IID) data often…

人工智能 · 计算机科学 2026-02-20 Jin Wang , Hui Ma , Fei Xing , Ming Yan

Instruction tuning has underscored the significant potential of large language models (LLMs) in producing more human controllable and effective outputs in various domains. In this work, we focus on the data selection problem for…

机器学习 · 计算机科学 2025-09-01 Yang Wu , Huayi Zhang , Yizheng Jiao , Lin Ma , Xiaozhong Liu , Jinhong Yu , Dongyu Zhang , Dezhi Yu , Wei Xu

Robustness to distribution shift has become a growing concern for text and image models as they transition from research subjects to deployment in the real world. However, high-quality benchmarks for distribution shift in tabular machine…

机器学习 · 计算机科学 2024-02-12 Josh Gardner , Zoran Popovic , Ludwig Schmidt

Clinical and biomedical research in low-resource settings often faces significant challenges due to the need for high-quality data with sufficient sample sizes to construct effective models. These constraints hinder robust model training…

Deep learning with noisy labels is a challenging task. Recent prominent methods that build on a specific sample selection (SS) strategy and a specific semi-supervised learning (SSL) model achieved state-of-the-art performance. Intuitively,…

机器学习 · 计算机科学 2020-12-03 Zhuowei Wang , Jing Jiang , Bo Han , Lei Feng , Bo An , Gang Niu , Guodong Long

We introduce behavioral fidelity -- a third evaluation dimension for synthetic tabular data that measures whether generated data preserves the temporal, sequential, and structural behavioral patterns that distinguish real-world entity…

机器学习 · 计算机科学 2026-04-16 Bhavana Sajja

Multi-Task Learning (MTL) is a powerful technique that has gained popularity due to its performance improvement over traditional Single-Task Learning (STL). However, MTL is often challenging because there is an exponential number of…

机器学习 · 计算机科学 2024-05-28 Ammar Sherif , Abubakar Abid , Mustafa Elattar , Mohamed ElHelw

Supervised Fine-Tuning (SFT) of the language backbone plays a pivotal role in adapting Vision-Language Models (VLMs) to specialized domains such as medical reasoning. However, existing SFT practices often rely on unfiltered textual datasets…

计算与语言 · 计算机科学 2026-03-17 Xinlin Zhuang , Feilong Tang , Haolin Yang , Xiwei Liu , Ming Hu , Huifa Li , Haochen Xue , Junjun He , Zongyuan Ge , Yichen Li , Ying Qian , Imran Razzak

In real-world scenarios, tabular data often suffer from distribution shifts that threaten the performance of machine learning models. Despite its prevalence and importance, handling distribution shifts in the tabular domain remains…

机器学习 · 计算机科学 2025-02-13 Changhun Kim , Taewon Kim , Seungyeon Woo , June Yong Yang , Eunho Yang

In cross-silo federated learning, clients (e.g., organizations) train a shared global model using local data. However, due to privacy concerns, the clients may not contribute enough data points during training. To address this issue, we…

计算机科学与博弈论 · 计算机科学 2022-10-17 Chao Huang , Shuqi Ke , Charles Kamhoua , Prasant Mohapatra , Xin Liu

Tabular data drive most real-world machine learning applications, yet building general-purpose models for them remains difficult. Mixed numeric and categorical fields, weak feature structure, and limited labeled data make scaling and…

机器学习 · 计算机科学 2026-02-12 Mohamed Bouadi , Pratinav Seth , Aditya Tanna , Vinay Kumar Sankarapu

Instruction Fine-Tuning (IFT) is crucial for aligning large language models (LLMs) with human preferences, and selecting a small yet representative subset from massive data significantly facilitates IFT in terms of both efficiency and…

计算与语言 · 计算机科学 2026-03-25 Xixiang He , Hao Yu , Qiyao Sun , Ao Cheng , Tailai Zhang , Cong Liu , Shuxuan Guo

Despite the widespread use of tabular data in real-world applications, most benchmarks rely on average-case metrics, which fail to reveal how model behavior varies across diverse data regimes. To address this, we propose MultiTab, a…

机器学习 · 计算机科学 2025-05-21 Kyungeun Lee , Moonjung Eo , Hye-Seung Cho , Dongmin Kim , Ye Seul Sim , Seoyoon Kim , Min-Kook Suh , Woohyung Lim

Deep neural networks often under-perform on tabular data due to their sensitivity to irrelevant features and a spectral bias toward smooth, low-frequency functions. These limitations hinder their ability to capture the sharp, high-frequency…

机器学习 · 计算机科学 2025-11-11 Erel Naor , Ofir Lindenbaum

Semi-supervised few-shot learning (SSFSL) formulates real-world applications like ''auto-annotation'', as it aims to learn a model over a few labeled and abundant unlabeled examples to annotate the unlabeled ones. Despite the availability…

计算机视觉与模式识别 · 计算机科学 2025-12-12 Tian Liu , Anwesha Basu , James Caverlee , Shu Kong

Data analysis is a crucial analytical process to generate in-depth studies and conclusive insights to comprehensively answer a given user query for tabular data. In this work, we aim to propose new resources and benchmarks to inspire future…

计算与语言 · 计算机科学 2024-10-30 Xueqing Wu , Rui Zheng , Jingzhen Sha , Te-Lin Wu , Hanyu Zhou , Mohan Tang , Kai-Wei Chang , Nanyun Peng , Haoran Huang

Personalized Federated Learning (PFL) aims to learn multiple task-specific models rather than a single global model across heterogeneous data distributions. Existing PFL approaches typically rely on iterative optimization-such as model…

机器学习 · 计算机科学 2026-04-22 Abdulmoneam Ali , Ahmed Arafa

Federated learning (FL) is an emerging privacy preserving machine learning protocol that allows multiple devices to collaboratively train a shared global model without revealing their private local data. Non-parametric models like gradient…

密码学与安全 · 计算机科学 2021-08-27 Hangyu Zhu , Rui Wang , Yaochu Jin , Kaitai Liang

Personalized medicine remains a major challenge for scientists. The rapid growth of Machine learning and Deep learning has made them a feasible al- ternative for predicting the most appropriate therapy for individual patients. However, the…

机器学习 · 计算机科学 2025-06-10 Antonio Jesús Banegas-Luna , Horacio Pérez-Sánchez