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Deep Learning By Example

You're reading from   Deep Learning By Example A hands-on guide to implementing advanced machine learning algorithms and neural networks

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Product type Paperback
Published in Feb 2018
Publisher Packt
ISBN-13 9781788399906
Length 450 pages
Edition 1st Edition
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Author (1):
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Ahmed Menshawy Ahmed Menshawy
Author Profile Icon Ahmed Menshawy
Ahmed Menshawy
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Table of Contents (18) Chapters Close

Preface 1. Data Science - A Birds' Eye View 2. Data Modeling in Action - The Titanic Example FREE CHAPTER 3. Feature Engineering and Model Complexity – The Titanic Example Revisited 4. Get Up and Running with TensorFlow 5. TensorFlow in Action - Some Basic Examples 6. Deep Feed-forward Neural Networks - Implementing Digit Classification 7. Introduction to Convolutional Neural Networks 8. Object Detection – CIFAR-10 Example 9. Object Detection – Transfer Learning with CNNs 10. Recurrent-Type Neural Networks - Language Modeling 11. Representation Learning - Implementing Word Embeddings 12. Neural Sentiment Analysis 13. Autoencoders – Feature Extraction and Denoising 14. Generative Adversarial Networks 15. Face Generation and Handling Missing Labels 16. Implementing Fish Recognition 17. Other Books You May Enjoy

Skip-gram Word2Vec implementation

After understanding the mathematical details of how skip-gram models work, we are going to implement skip-gram, which encodes words into real-valued vectors that have certain properties (hence the name Word2Vec). By implementing this architecture, you will get a clue of how the process of learning another representation works.

Text is the main input for a lot of natural language processing applications such as machine translation, sentiment analysis, and text to speech systems. So, learning a real-valued representation for the text will help us use different deep learning techniques for these tasks.

In the early chapters of this book, we introduced something called one-hot encoding, which produces a vector of zeros except for the index of the word that this vector represents. So, you may wonder why we are not using it here. This method is very...

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