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fastText Quick Start Guide

By : Joydeep Bhattacharjee

3.7 (3)

Buy this Book

fastText Quick Start Guide

3.7 (3)

By: Joydeep Bhattacharjee

Buy this Book

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.

Preface

Who this book is for

What this book covers

To get the most out of this book

Get in touch

Free Chapter

First Steps

Introducing FastText

Introducing fastText

Installing fastText

Installing dependencies on Mac systems

Installing Python dependencies

Using a Docker image for fastText

Summary

Creating Models Using FastText Command Line

Text classification using fastText

FastText word vectors

Summary

The FastText Model

Word Representations in FastText

Word-to-vector representations

Summary

Sentence Classification in FastText

Sentence classification

fastText supervised learning

fastText model quantization

Summary

Using FastText in Your Own Models

FastText in Python

FastText official bindings

Gensim

Summary

Machine Learning and Deep Learning Models

Scikit-learn and fastText

Embeddings

Keras

TensorFlow

PyTorch

Summary

Deploying Models to Web and Mobile

Deploying to the web

Deploying to smaller devices

Summary

Notes for the Readers

Windows and Linux

Python 2 and Python 3

The fastText command line

Gensim fastText parameters

References

Chapter 3

Chapter 4

Chapter 5

Chapter 6

Chapter 7

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Installing Python dependencies

I recommend that you install Anaconda so that there are no issues with installing Python and using it for fastText. Detailed instructions for installing Anaconda are given on the official documentation page, which can be accessed at https://conda.io/docs/user-guide/install/linux.html. Simply stated, if you are on Windows, then download the Windows installer, double-click on it, and then follow the instructions on the screen. Installing it using a GUI is also possible for macOS.

In the case of Linux and macOS, download the corresponding bash file and then run the following command in a Terminal:

$ bash downloadedfile.sh

Please take care to download and install it using installers that are tagged for Python 3.x. The Python code snippets that will be shown in this book will be shown for Python 3.x.

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