A General Survey on Attention Mechanisms in Deep Learning

Attention is an important mechanism that can be employed for a variety of deep learning models across many different domains and tasks. This survey provides an overview of the most important attention mechanisms proposed in the literature. The various attention mechanisms are explained by means of a...

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Bibliographic Details
Published in:IEEE transactions on knowledge and data engineering Vol. 35; no. 4; pp. 3279 - 3298
Main Authors: Brauwers, Gianni, Frasincar, Flavius
Format: Journal Article
Language:English
Published: New York IEEE 01.04.2023
The Institute of Electrical and Electronics Engineers, Inc. (IEEE)
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ISSN:1041-4347, 1558-2191
Online Access:Get full text
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Summary:Attention is an important mechanism that can be employed for a variety of deep learning models across many different domains and tasks. This survey provides an overview of the most important attention mechanisms proposed in the literature. The various attention mechanisms are explained by means of a framework consisting of a general attention model, uniform notation, and a comprehensive taxonomy of attention mechanisms. Furthermore, the various measures for evaluating attention models are reviewed, and methods to characterize the structure of attention models based on the proposed framework are discussed. Last, future work in the field of attention models is considered.
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ISSN:1041-4347
1558-2191
DOI:10.1109/TKDE.2021.3126456