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Leveraging a transferability estimation metric facilitates the non-trivial challenge of selecting the optimal model for the downstream task from a pool of pre-trained models. Most existing metrics primarily focus on identifying the…

机器学习 · 计算机科学 2025-02-25 Prafful Kumar Khoba , Zijian Wang , Chetan Arora , Mahsa Baktashmotlagh

In this paper, we study transfer learning for high-dimensional factor-augmented sparse linear models, motivated by applications in economics and finance where strongly correlated predictors and latent factor structures pose major challenges…

统计方法学 · 统计学 2026-03-23 Bo Fu , Dandan Jiang

In this paper, we study the problem of multirate packet delivery in heterogeneous packet erasure broadcast networks. The technical challenge is to enable users receive packets at different rates, as dictated by the quality of their…

信息论 · 计算机科学 2019-08-09 Mohammad A. Zarrabian , Foroogh S. Tabataba , Sina Molavipour , Parastoo Sadeghi

Intermediate-task transfer can benefit a wide range of NLP tasks with properly selected source datasets. However, it is computationally infeasible to experiment with all intermediate transfer combinations, making choosing a useful source…

计算与语言 · 计算机科学 2022-10-24 Wangchunshu Zhou , Canwen Xu , Julian McAuley

Most of researchers on testing a significance of coefficient $\ubeta$ in high-dimensional linear regression models consider the classical hypothesis testing problem $H_0^{c}: \ubeta=\uzero \mbox{ versus } H_1^{c}: \ubeta \neq \uzero$. We…

统计方法学 · 统计学 2025-11-20 Xu Liu

Transferring extensive knowledge from relevant social networks has emerged as a promising solution to overcome label scarcity in detecting social bots and other anomalies with GNN-based models. However, effective transfer faces two critical…

人工智能 · 计算机科学 2025-06-18 Boshen Shi , Yongqing Wang , Fangda Guo , Jiangli Shao , Huawei Shen , Xueqi Cheng

Heterogeneous materials, crucial in various engineering applications, exhibit complex multiscale behavior, which challenges the effectiveness of traditional computational methods. In this work, we introduce the Micromechanics Transformer…

计算工程、金融与科学 · 计算机科学 2024-10-10 Sifan Wang , Tong-Rui Liu , Shyam Sankaran , Paris Perdikaris

Transfer learning aims to transfer knowledge or information from a source domain to a relevant target domain. In this paper, we understand transfer learning from the perspectives of knowledge transferability and trustworthiness. This…

机器学习 · 计算机科学 2025-11-13 Jun Wu , Jingrui He

Tracking multiple objects in videos relies on modeling the spatial-temporal interactions of the objects. In this paper, we propose a solution named TransMOT, which leverages powerful graph transformers to efficiently model the spatial and…

计算机视觉与模式识别 · 计算机科学 2021-04-06 Peng Chu , Jiang Wang , Quanzeng You , Haibin Ling , Zicheng Liu

Transfer learning is a useful technique for achieving improved performance and reducing training costs by leveraging the knowledge gained from source tasks and applying it to target tasks. Assessing the effectiveness of transfer learning…

机器学习 · 计算机科学 2023-06-12 Peizhong Ju , Sen Lin , Mark S. Squillante , Yingbin Liang , Ness B. Shroff

We consider the task of meta-analysis in high-dimensional settings in which the data sources are similar but non-identical. To borrow strength across such heterogeneous datasets, we introduce a global parameter that emphasizes…

统计方法学 · 统计学 2022-07-01 Subha Maity , Yuekai Sun , Moulinath Banerjee

Transfer learning refers to the process of adapting a model trained on a source task to a target task. While kernel methods are conceptually and computationally simple machine learning models that are competitive on a variety of tasks, it…

机器学习 · 计算机科学 2022-11-02 Adityanarayanan Radhakrishnan , Max Ruiz Luyten , Neha Prasad , Caroline Uhler

We introduce a new measure to evaluate the transferability of representations learned by classifiers. Our measure, the Log Expected Empirical Prediction (LEEP), is simple and easy to compute: when given a classifier trained on a source data…

机器学习 · 计算机科学 2020-08-17 Cuong V. Nguyen , Tal Hassner , Matthias Seeger , Cedric Archambeau

Regression prediction plays a crucial role in practical applications and strongly relies on data annotation. However, due to prohibitive annotation costs or domain-specific constraints, labeled data in the target domain is often scarce,…

统计方法学 · 统计学 2025-09-25 Bingbing Wang , Jiaqi Wang , Yu Tang

Synthetic tabular data is used for privacy-preserving data sharing and data-driven model development. Its effectiveness, however, depends heavily on the used Tabular Data Synthesis (TDS) tool. Recent studies have shown that…

机器学习 · 计算机科学 2025-09-26 Maria F. Davila R , Azizjon Turaev , Wolfram Wingerath

In this work, we propose TransTrack, a simple but efficient scheme to solve the multiple object tracking problems. TransTrack leverages the transformer architecture, which is an attention-based query-key mechanism. It applies object…

计算机视觉与模式识别 · 计算机科学 2021-05-05 Peize Sun , Jinkun Cao , Yi Jiang , Rufeng Zhang , Enze Xie , Zehuan Yuan , Changhu Wang , Ping Luo

Transfer learning is a powerful technique for knowledge-sharing between different tasks. Recent work has found that the representations of models with certain invariances, such as to adversarial input perturbations, achieve higher…

机器学习 · 计算机科学 2024-07-08 Till Speicher , Vedant Nanda , Krishna P. Gummadi

Transfer learning is a popular paradigm for utilizing existing knowledge from previous learning tasks to improve the performance of new ones. It has enjoyed numerous empirical successes and inspired a growing number of theoretical studies.…

机器学习 · 计算机科学 2023-05-23 Haoyang Cao , Haotian Gu , Xin Guo

The similarity of feature representations plays a pivotal role in the success of problems related to domain adaptation. Feature similarity includes both the invariance of marginal distributions and the closeness of conditional distributions…

机器学习 · 计算机科学 2022-01-10 Ammar Shaker , Shujian Yu , Daniel Oñoro-Rubio

In practice, it is very demanding and sometimes impossible to collect datasets of tagged data large enough to successfully train a machine learning model, and one possible solution to this problem is transfer learning. This study aims to…

机器学习 · 计算机科学 2022-01-13 Erik Otović , Marko Njirjak , Dario Jozinović , Goran Mauša , Alberto Michelini , Ivan Štajduhar