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Natural Language Processing and Computational Linguistics

Natural Language Processing and Computational Linguistics

By : Bhargav Srinivasa-Desikan
3.6 (7)
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Natural Language Processing and Computational Linguistics

Natural Language Processing and Computational Linguistics

3.6 (7)
By: Bhargav Srinivasa-Desikan

Overview of this book

Modern text analysis is now very accessible using Python and open source tools, so discover how you can now perform modern text analysis in this era of textual data. This book shows you how to use natural language processing, and computational linguistics algorithms, to make inferences and gain insights about data you have. These algorithms are based on statistical machine learning and artificial intelligence techniques. The tools to work with these algorithms are available to you right now - with Python, and tools like Gensim and spaCy. You'll start by learning about data cleaning, and then how to perform computational linguistics from first concepts. You're then ready to explore the more sophisticated areas of statistical NLP and deep learning using Python, with realistic language and text samples. You'll learn to tag, parse, and model text using the best tools. You'll gain hands-on knowledge of the best frameworks to use, and you'll know when to choose a tool like Gensim for topic models, and when to work with Keras for deep learning. This book balances theory and practical hands-on examples, so you can learn about and conduct your own natural language processing projects and computational linguistics. You'll discover the rich ecosystem of Python tools you have available to conduct NLP - and enter the interesting world of modern text analysis.
Table of Contents (17 chapters)
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Other word embeddings

There is a wealth of word embeddings which we can choose from for our vectorization tasks the original implementations of these methods are scattered around in different languages, hosting websites, binaries, and repositories but luckily for us, Gensim comes to the rescue again, with implementations or well-documented wrappers for most (if not all) of other word embeddings.

Gensim has wrappers for WordRank, VarEmbed, and FastText, as well as native implementations for Poincare Embeddings and FastText. Gensim also has a neat script to use GloVe embeddings as well, which comes in handy when comparing between different kinds of embeddings.

Gensim's KeyedVectors class means that we have a base class to use all our word embeddings. The documentation page [21] covers most of the information you need to know (though we have already used these...

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