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Training a classifier with high mean accuracy from a manifold-distributed dataset can be challenging. This problem is compounded further when there are only few labels available for training. For transfer learning to work, both the source…

机器学习 · 计算机科学 2024-08-15 Sayed W Qayyumi , Laureance F Park , Oliver Obst

Transfer learning is a valuable tool in deep learning as it allows propagating information from one "source dataset" to another "target dataset", especially in the case of a small number of training examples in the latter. Yet,…

机器学习 · 计算机科学 2023-06-13 Daniel Jakubovitz , David Uliel , Miguel Rodrigues , Raja Giryes

Transferring knowledges learned from multiple source domains to target domain is a more practical and challenging task than conventional single-source domain adaptation. Furthermore, the increase of modalities brings more difficulty in…

计算机视觉与模式识别 · 计算机科学 2020-07-29 Hang Wang , Minghao Xu , Bingbing Ni , Wenjun Zhang

The aim of knowledge base completion is to predict unseen facts from existing facts in knowledge bases. In this work, we introduce the first approach for transfer of knowledge from one collection of facts to another without the need for…

计算与语言 · 计算机科学 2021-08-31 Vid Kocijan , Thomas Lukasiewicz

Domain adaptation (DA) aims to transfer knowledge from a label-rich source domain to a related but label-scarce target domain. The conventional DA strategy is to align the feature distributions of the two domains. Recently, increasing…

计算机视觉与模式识别 · 计算机科学 2022-03-08 Yixin Zhang , Junjie Li , Zilei Wang

This paper introduces a novel transfer learning framework for deep multi-agent reinforcement learning. The approach automatically combines goal-conditioned policies with temporal contrastive learning to discover meaningful sub-goals. The…

人工智能 · 计算机科学 2024-06-04 Weihao Zeng , Joseph Campbell , Simon Stepputtis , Katia Sycara

The benefit of multi-task learning over single-task learning relies on the ability to use relations across tasks to improve performance on any single task. While sharing representations is an important mechanism to share information across…

机器学习 · 计算机科学 2021-06-14 Shagun Sodhani , Amy Zhang , Joelle Pineau

Recent works have proven that many relevant visual tasks are closely related one to another. Yet, this connection is seldom deployed in practice due to the lack of practical methodologies to transfer learned concepts across different…

计算机视觉与模式识别 · 计算机科学 2019-10-04 Pierluigi Zama Ramirez , Alessio Tonioni , Samuele Salti , Luigi Di Stefano

Recent progress in Learning by Reading and Machine Reading systems has significantly increased the capacity of knowledge-based systems to learn new facts. In this work, we discuss the problem of selecting a set of learning requests for…

人工智能 · 计算机科学 2025-02-18 Abhishek Sharma

The natural world is abundant with concepts expressed via visual, acoustic, tactile, and linguistic modalities. Much of the existing progress in multimodal learning, however, focuses primarily on problems where the same set of modalities…

机器学习 · 计算机科学 2020-12-08 Paul Pu Liang , Peter Wu , Liu Ziyin , Louis-Philippe Morency , Ruslan Salakhutdinov

In cross-lingual language understanding, machine translation is often utilized to enhance the transferability of models across languages, either by translating the training data from the source language to the target, or from the target to…

计算与语言 · 计算机科学 2023-11-14 Tingfeng Cao , Chengyu Wang , Chuanqi Tan , Jun Huang , Jinhui Zhu

Pre-training a deep neural network on the ImageNet dataset is a common practice for training deep learning models, and generally yields improved performance and faster training times. The technique of pre-training on one task and then…

机器学习 · 计算机科学 2020-01-03 Nishai Kooverjee , Steven James , Terence van Zyl

Exploration and adaptation to new tasks in a transfer learning setup is a central challenge in reinforcement learning. In this work, we build on the idea of modeling a distribution over policies in a Bayesian deep reinforcement learning…

机器学习 · 计算机科学 2019-06-11 Disha Shrivastava , Eeshan Gunesh Dhekane , Riashat Islam

Contrastive learning is among the most popular and powerful approaches for self-supervised representation learning, where the goal is to map semantically similar samples close together while separating dissimilar ones in the latent space.…

机器学习 · 统计学 2025-12-03 Ali Alvandi , Mina Rezaei

Cross-modal retrieval is generally performed by projecting and aligning the data from two different modalities onto a shared representation space. This shared space often also acts as a bridge for translating the modalities. We address the…

计算机视觉与模式识别 · 计算机科学 2022-03-22 Kranti Kumar Parida , Gaurav Sharma

Unsupervised domain adaptation, which involves transferring knowledge from a label-rich source domain to an unlabeled target domain, can be used to substantially reduce annotation costs in the field of object detection. In this study, we…

计算机视觉与模式识别 · 计算机科学 2024-10-28 Kazuma Fujii , Hiroshi Kera , Kazuhiko Kawamoto

While neural networks have shown impressive performance on large datasets, applying these models to tasks where little data is available remains a challenging problem. In this paper we propose to use feature transfer in a zero-shot…

计算与语言 · 计算机科学 2018-08-30 Javid Dadashkarimi , Alexander Fabbri , Sekhar Tatikonda , Dragomir R. Radev

Methods of transfer learning try to combine knowledge from several related tasks (or domains) to improve performance on a test task. Inspired by causal methodology, we relax the usual covariate shift assumption and assume that it holds true…

机器学习 · 统计学 2018-09-25 Mateo Rojas-Carulla , Bernhard Schölkopf , Richard Turner , Jonas Peters

Self-training and contrastive learning have emerged as leading techniques for incorporating unlabeled data, both under distribution shift (unsupervised domain adaptation) and when it is absent (semi-supervised learning). However, despite…

Training supervised machine learning systems with a fairness loss can improve prediction fairness across different demographic groups. However, doing so requires demographic annotations for training data, without which we cannot produce…

机器学习 · 计算机科学 2024-04-17 Carlos Aguirre , Mark Dredze