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Mastering spaCy

Mastering spaCy

By : Duygu Altınok
4.4 (16)
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Mastering spaCy

Mastering spaCy

4.4 (16)
By: Duygu Altınok

Overview of this book

spaCy is an industrial-grade, efficient NLP Python library. It offers various pre-trained models and ready-to-use features. Mastering spaCy provides you with end-to-end coverage of spaCy's features and real-world applications. You'll begin by installing spaCy and downloading models, before progressing to spaCy's features and prototyping real-world NLP apps. Next, you'll get familiar with visualizing with spaCy's popular visualizer displaCy. The book also equips you with practical illustrations for pattern matching and helps you advance into the world of semantics with word vectors. Statistical information extraction methods are also explained in detail. Later, you'll cover an interactive business case study that shows you how to combine all spaCy features for creating a real-world NLP pipeline. You'll implement ML models such as sentiment analysis, intent recognition, and context resolution. The book further focuses on classification with popular frameworks such as TensorFlow's Keras API together with spaCy. You'll cover popular topics, including intent classification and sentiment analysis, and use them on popular datasets and interpret the classification results. By the end of this book, you'll be able to confidently use spaCy, including its linguistic features, word vectors, and classifiers, to create your own NLP apps.
Table of Contents (15 chapters)
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1
Section 1: Getting Started with spaCy
4
Section 2: spaCy Features
9
Section 3: Machine Learning with spaCy

Summary

That's it! You made it to the end of this exhaustive chapter and also to the end of this book!

In this chapter, we designed an end-to-end chatbot NLU pipeline. As a first task, we explored our dataset. By doing this, we collected linguistic information about the utterances and understood the slot types and their corresponding values. Then, we performed a significant task of chatbot NLU, entity extraction. We extracted several types of entities such as city, date/time, and cuisine with the spaCy NER model as well as Matcher. Then, we performed another traditional chatbot NLU pipeline task – intent recognition. We trained a character-level LSTM model with TensorFlow and Keras.

In the last section, we dived into sentence-level and dialog-level semantics. We worked on sentence syntax by differentiating subjects from objects, then learned about sentence types and finally learned about the linguistic concept of anaphora resolution. We applied what we learned in...

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