Results 51 to 60 of about 120,140 (335)

Faithful Contrastive Features in Learning [PDF]

open access: yesCognitive Science, 2006
AbstractThis article pursues the idea of inferring aspects of phonological underlying forms directly from surface contrasts by looking at optimality theoretic linguistic systems (Prince & Smolensky, 1993/2004). The main result proves that linguistic systems satisfying certain conditions have the faithful contrastive feature property: Whenever 2 ...
openaire   +2 more sources

Contrastive Learning for Fair Representations

open access: yesCoRR, 2021
Trained classification models can unintentionally lead to biased representations and predictions, which can reinforce societal preconceptions and stereotypes. Existing debiasing methods for classification models, such as adversarial training, are often expensive to train and difficult to optimise.
Aili Shen   +4 more
openaire   +2 more sources

Supervised contrastive learning for recommendation

open access: yesKnowledge-Based Systems, 2022
In this work, we aim to consider the application of contrastive learning in the scenario of the recommendation system adequately, making it more suitable for recommendation task. We propose a learning paradigm called supervised contrastive learning(SCL) to support the graph convolutional neural network.
Chun Yang   +4 more
openaire   +3 more sources

Improving Graph Collaborative Filtering from the Perspective of User–Item Interaction Directly Using Contrastive Learning

open access: yesMathematics
Graph contrastive learning has demonstrated significant superiority for collaborative filtering. These methods typically use augmentation technology to generate contrastive views, and then train graph neural networks with contrastive learning as an ...
Jifeng Dong   +5 more
doaj   +1 more source

Robust age estimation model using group‐aware contrastive learning

open access: yesIET Image Processing, 2022
Although great efforts have been devoted to developing lightweight models for age estimation in recent works, the robustness is still unsatisfactory in unconstrained environments.
Xiaoqiang Li   +4 more
doaj   +1 more source

CC-GNN: A Clustering Contrastive Learning Network for Graph Semi-Supervised Learning

open access: yesIEEE Access
In graph modeling, scarcity of labeled data is a challenging issue. To address this issue, state-of-the-art graph models learn the representation of graph data via contrastive learning.
Peng Qin   +4 more
doaj   +1 more source

Prototypical Contrastive Learning of Unsupervised Representations

open access: yes, 2021
This paper presents Prototypical Contrastive Learning (PCL), an unsupervised representation learning method that addresses the fundamental limitations of instance-wise contrastive learning.
Hoi, Steven C. H.   +3 more
core  

Contrastive Mask Learning for Self-Supervised 3D Skeleton-Based Action Recognition

open access: yesSensors
In this paper, we propose a contrastive mask learning (CML) method for self-supervised 3D skeleton-based action recognition. Specifically, the mask modeling mechanism is integrated into multi-level contrastive learning with the aim of forming a mutually ...
Haoyuan Zhang
doaj   +1 more source

Deep Metric Learning with Angular Loss

open access: yes, 2017
The modern image search system requires semantic understanding of image, and a key yet under-addressed problem is to learn a good metric for measuring the similarity between images.
Lin, Yuanqing   +4 more
core   +1 more source

Top-down neural attention by excitation backprop [PDF]

open access: yes, 2016
We aim to model the top-down attention of a Convolutional Neural Network (CNN) classifier for generating task-specific attention maps. Inspired by a top-down human visual attention model, we propose a new backpropagation scheme, called Excitation ...
Bargal, Sarah Adel   +5 more
core   +1 more source

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