Neural Network Embeddings
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Embeddings are used to map high-dimensional data to low-dimensional floating-point representation. This may improve the performance because it improves the representation of the input given to the model.
A nn.Embedding
layer is simply a linear layer from one-hot representation of categorical data to a real vector. During learning, task-specific embedding weights are learned from the supervised data. It is sometimes helpful to initialize embedding weights using a more general method such as: Word2Vec, Doc2Vec, GloVe.