How to build deep neural network for custom NER with Keras

Image courtesy : Google


Named Entity Recognition (NER)

Model Architecture


CRF Layer

Data Preprocessing

Data Format

Wrapping input data in SentenceGetter

Dictionaries of words and tags

Pad Sequence

Create Model (and understand layer parameters)

Input Layer

Embedding Layer


TimeDistributed Layer

CRF Layer

Code for model creation

Fit and Evaluate Model

Compile model

Callbacks list

Fit model

Data Scientist | Python programmer

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