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In neural networks, attention is a technique that mimics cognitive attention. The effect enhances some parts of the input data while diminishing other parts — the thought being that the network should devote more focus to that small but important part of the data. Learning which part of the data is more important than others depends on the context and is trained by gradient descent.

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  • Attention (machine learning) (en)
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  • In neural networks, attention is a technique that mimics cognitive attention. The effect enhances some parts of the input data while diminishing other parts — the thought being that the network should devote more focus to that small but important part of the data. Learning which part of the data is more important than others depends on the context and is trained by gradient descent. (en)
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  • In neural networks, attention is a technique that mimics cognitive attention. The effect enhances some parts of the input data while diminishing other parts — the thought being that the network should devote more focus to that small but important part of the data. Learning which part of the data is more important than others depends on the context and is trained by gradient descent. Attention-like mechanisms were introduced in the 1990s under names like multiplicative modules, sigma pi units, and hypernetworks. Its flexibility comes from its role as "soft weights" that can change during runtime, in contrast to standard weights that must remain fixed at runtime. Uses of attention include memory in neural Turing machines, reasoning tasks in differentiable neural computers, language processing in transformers, and multi-sensory data processing (sound, images, video, and text) in perceivers. (en)
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