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We introduce a new representation learning approach for domain adaptation, in which data at training and test time come from similar but different distributions. Our approach is directly inspired by the theory on domain adaptation…

Classification is an essential and fundamental task in machine learning, playing a cardinal role in the field of natural language processing (NLP) and computer vision (CV). In a supervised learning setting, labels are always needed for the…

计算与语言 · 计算机科学 2021-02-04 Irene Li

Transfer learning techniques are particularly useful in NLP tasks where a sizable amount of high-quality annotated data is difficult to obtain. Current approaches directly adapt a pre-trained language model (LM) on in-domain text before…

Domain Adaptation is the process of alleviating distribution gaps between data from different domains. In this paper, we show that Domain Adaptation methods using pair-wise relationships between source and target domain data can be…

机器学习 · 计算机科学 2021-10-26 Lukas Hedegaard , Omar Ali Sheikh-Omar , Alexandros Iosifidis

Negative transfer in training of acoustic models for automatic speech recognition has been reported in several contexts such as domain change or speaker characteristics. This paper proposes a novel technique to overcome negative transfer by…

机器学习 · 计算机科学 2015-09-18 Mortaza Doulaty , Oscar Saz , Thomas Hain

Domain adaptation, a pivotal branch of transfer learning, aims to enhance the performance of machine learning models when deployed in target domains with distinct data distributions. This is particularly critical for object detection tasks,…

计算机视觉与模式识别 · 计算机科学 2025-01-07 Helia Mohamadi , Mohammad Ali Keyvanrad , Mohammad Reza Mohammadi

Deep learning (DL) techniques have been used to support several code-related tasks such as code summarization and bug-fixing. In particular, pre-trained transformer models are on the rise, also thanks to the excellent results they achieved…

We propose a framework for learning calibrated uncertainties under domain shifts, where the source (training) distribution differs from the target (test) distribution. We detect such domain shifts via a differentiable density ratio…

机器学习 · 计算机科学 2024-02-07 Haoxuan Wang , Zhiding Yu , Yisong Yue , Anima Anandkumar , Anqi Liu , Junchi Yan

In this paper we consider a problem known as multi-task learning, consisting of fitting a set of classifier or regression functions intended for solving different tasks. In our novel formulation, we couple the parameters of these functions,…

机器学习 · 计算机科学 2021-05-28 Juan Cervino , Juan Andres Bazerque , Miguel Calvo-Fullana , Alejandro Ribeiro

We study the zero-shot transfer capabilities of text matching models on a massive scale, by self-supervised training on 140 source domains from community question answering forums in English. We investigate the model performances on nine…

计算与语言 · 计算机科学 2020-10-05 Andreas Rücklé , Jonas Pfeiffer , Iryna Gurevych

Compared with shallow domain adaptation, recent progress in deep domain adaptation has shown that it can achieve higher predictive performance and stronger capacity to tackle structural data (e.g., image and sequential data). The underlying…

机器学习 · 计算机科学 2019-06-21 Trung Le , Khanh Nguyen , Nhat Ho , Hung Bui , Dinh Phung

We present a new algorithm for domain adaptation improving upon a discrepancy minimization algorithm previously shown to outperform a number of algorithms for this task. Unlike many previous algorithms for domain adaptation, our algorithm…

机器学习 · 计算机科学 2015-02-24 Corinna Cortes , Mehryar Mohri , Andres Muñoz Medina

Domain adaptation aims at improving model performance by leveraging the learned knowledge in the source domain and transferring it to the target domain. Recently, domain adversarial methods have been particularly successful in alleviating…

信号处理 · 电气工程与系统科学 2020-01-08 Qin Wang , Gabriel Michau , Olga Fink

Transfer learning enhances prediction accuracy on a target distribution by leveraging data from a source distribution, demonstrating significant benefits in various applications. This paper introduces a novel dissimilarity measure that…

机器学习 · 统计学 2024-12-12 Mitsuhiro Fujikawa , Yohei Akimoto , Jun Sakuma , Kazuto Fukuchi

In low-resource settings, model transfer can help to overcome a lack of labeled data for many tasks and domains. However, predicting useful transfer sources is a challenging problem, as even the most similar sources might lead to unexpected…

计算与语言 · 计算机科学 2021-11-01 Lukas Lange , Jannik Strötgen , Heike Adel , Dietrich Klakow

Domain adaptation aims to mitigate performance degradation caused by distribution shifts between a labeled source domain and an unlabeled or sparsely labeled target domain. Most existing approaches estimate domain discrepancy either in…

计算机视觉与模式识别 · 计算机科学 2026-05-26 Xi Ding , Lei Wang , Syuan-Hao Li , Yongsheng Gao

Task arithmetic enables efficient model editing by representing task-specific changes as vectors in parameter space. Task arithmetic typically assumes that the source and target models are initialized from the same pre-trained parameters.…

计算机视觉与模式识别 · 计算机科学 2025-05-20 Kazuhiko Kawamoto , Atsuhiro Endo , Hiroshi Kera

This paper presents a framework for deep transfer learning, which aims to leverage information from multi-domain upstream data with a large number of samples $n$ to a single-domain downstream task with a considerably smaller number of…

机器学习 · 计算机科学 2025-01-07 Yuling Jiao , Huazhen Lin , Yuchen Luo , Jerry Zhijian Yang

Transfer Learning aims to optimally aggregate samples from a target distribution, with related samples from a so-called source distribution to improve target risk. Multiple procedures have been proposed over the last two decades to address…

机器学习 · 统计学 2025-04-29 Steve Hanneke , Samory Kpotufe

We study the prevalent problem when a test distribution differs from the training distribution. We consider a setting where our training set consists of a small number of sample domains, but where we have many samples in each domain. Our…

机器学习 · 计算机科学 2011-05-05 Dean Foster , Sham Kakade , Ruslan Salakhutdinov