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Encoder

The part of a neural network that processes input data into an internal representation.

Definition

The part of a neural network that processes input data into an internal representation. In transformers, the encoder reads the full input and creates contextual representations. BERT is an encoder-only model. Encoder-decoder architectures like T5 use both halves for tasks like translation.

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Related Terms

Decoder

The part of a neural network that generates output from an internal representation.

Transformer

The neural network architecture behind virtually all modern AI language models.

BERT

Bidirectional Encoder Representations from Transformers.

Activation Function

A mathematical function applied to a neuron's output that introduces non-linearity into the network.

Adam Optimizer

An optimization algorithm that combines the best parts of two other methods — AdaGrad and RMSProp.

AGI

Artificial General Intelligence.

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