References
[1] Keras Sequential Model: https://keras.io/getting-started/sequential-model-guide/
[2] Keras CNN LSTM: https://github.com/keras-team/keras/blob/master/examples/imdb_cnn_lstm.py
[3] Pre-trained Word Embeddings:https://blog.keras.io/using-pre-trained-word-embeddings-in-a-keras-model.html
[4] CNTK: https://github.com/Microsoft/CNTK
[5] Apple CoreML: https://developer.apple.com/documentation/coreml
[6] Keras Text Processing: https://keras.io/preprocessing/text/
[7] Keras Models: https://keras.io/models/about-keras-models/
[8] Keras Layers: https://keras.io/layers/about-keras-layers/
[9] Keras Core Layers: https://keras.io/layers/core/
[10] Keras Datasets: https://keras.io/datasets/
[11] Keras LSTM: https://keras.io/layers/recurrent/#lstm
[12] Keras Convolutional Layers: https://keras.io/layers/convolutional/
[13] Keras examples directory: https://github.com/keras-team/keras/tree/master/examples
[14] Activation function: https://en.wikipedia.org/wiki/Activation_function
[15] Keras Activation functions...