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Natural Language Understanding with Python

Natural Language Understanding with Python

By : Deborah A. Dahl
4.8 (13)
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Natural Language Understanding with Python

Natural Language Understanding with Python

4.8 (13)
By: Deborah A. Dahl

Overview of this book

Natural Language Understanding facilitates the organization and structuring of language allowing computer systems to effectively process textual information for various practical applications. Natural Language Understanding with Python will help you explore practical techniques for harnessing NLU to create diverse applications. with step-by-step explanations of essential concepts and practical examples, you’ll begin by learning about NLU and its applications. You’ll then explore a wide range of current NLU techniques and their most appropriate use-case. In the process, you’ll be introduced to the most useful Python NLU libraries. Not only will you learn the basics of NLU, you’ll also discover practical issues such as acquiring data, evaluating systems, and deploying NLU applications along with their solutions. The book is a comprehensive guide that’ll help you explore techniques and resources that can be used for different applications in the future. By the end of this book, you’ll be well-versed with the concepts of natural language understanding, deep learning, and large language models (LLMs) for building various AI-based applications.
Table of Contents (21 chapters)
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1
Part 1: Getting Started with Natural Language Understanding Technology
4
Part 2:Developing and Testing Natural Language Understanding Systems
16
Part 3: Systems in Action – Applying Natural Language Understanding at Scale

Figuring out that a system isn’t working

Figuring out whether a system isn’t working as well as it should be is important, both during initial development as well as during ongoing deployment. We’ll start by looking at poor performance during initial development.

Initial development

The primary techniques we will use to determine that our system isn’t working as well as we'd like are the evaluation techniques we learned about in Chapter 13. We will apply those in this chapter. We will also use confusion matrices to detect specific classes that don’t work as well as the other classes.

It is always a good idea to look at the dataset at the outset and check the balance of categories because unbalanced data is a common source of problems. Unbalanced data does not necessarily mean that there will be accuracy problems, but it’s valuable to understand our class balance at the beginning. That way, we will be prepared to address accuracy...

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