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fastText Quick Start Guide

fastText Quick Start Guide

By : Joydeep Bhattacharjee
3.7 (3)
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fastText Quick Start Guide

fastText Quick Start Guide

3.7 (3)
By: Joydeep Bhattacharjee

Overview of this book

Facebook's fastText library handles text representation and classification, used for Natural Language Processing (NLP). Most organizations have to deal with enormous amounts of text data on a daily basis, and gaining efficient data insights requires powerful NLP tools such as fastText.  This book is your ideal introduction to fastText. You will learn how to create fastText models from the command line, without the need for complicated code. You will explore the algorithms that fastText is built on and how to use them for word representation and text classification.  Next, you will use fastText in conjunction with other popular libraries and frameworks such as Keras, TensorFlow, and PyTorch.  Finally, you will deploy fastText models to mobile devices. By the end of this book, you will have all the required knowledge to use fastText in your own applications at work or in projects.
Table of Contents (14 chapters)
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1
First Steps
4
The FastText Model
7
Using FastText in Your Own Models

Embeddings

As you have seen, when you need to work with text in machine learning, you need to convert the text into numerical values. The logic is the same in neural architectures as well. In neural networks, you implement this using the embeddings layer. All modern deep learning libraries provide an embeddings API for use.

The embeddings layer is a useful and versatile layer used for various purposes:

  • It can be used to learn word embeddings to be used in an application later
  • It can be used with a larger model where the embeddings are also tuned as part of the model
  • It can be used to load a pretrained word embedding

It is in the third point that will be the focus of this section. The idea is to utilize fastText to create superior embeddings, which can then be injected into your model using this embedding layer. Normally the embeddings layer is initialized with random weights...

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fastText Quick Start Guide
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