Search icon CANCEL
Arrow left icon
Explore Products
Best Sellers
New Releases
Books
Videos
Audiobooks
Learning Hub
Conferences
Free Learning
Arrow right icon
Arrow up icon
GO TO TOP
Python Natural Language Processing Cookbook

You're reading from   Python Natural Language Processing Cookbook Over 50 recipes to understand, analyze, and generate text for implementing language processing tasks

Arrow left icon
Product type Paperback
Published in Mar 2021
Publisher Packt
ISBN-13 9781838987312
Length 284 pages
Edition 1st Edition
Languages
Arrow right icon
Author (1):
Arrow left icon
Zhenya Antić Zhenya Antić
Author Profile Icon Zhenya Antić
Zhenya Antić
Arrow right icon
View More author details
Toc

Table of Contents (10) Chapters Close

Preface 1. Chapter 1: Learning NLP Basics 2. Chapter 2: Playing with Grammar FREE CHAPTER 3. Chapter 3: Representing Text – Capturing Semantics 4. Chapter 4: Classifying Texts 5. Chapter 5: Getting Started with Information Extraction 6. Chapter 6: Topic Modeling 7. Chapter 7: Building Chatbots 8. Chapter 8: Visualizing Text Data 9. Other Books You May Enjoy

Getting started with semantic search

In this recipe, we will get a glimpse of how to get started on expanding search with the help of a word2vec model. When we search for a term, we expect the search engine to show us a result with a synonym when we didn't use the exact term contained in the document. Search engines are far more complicated than what we'll show in the recipe, but this should give you a taste of what it's like to build a customizable search engine.

Getting ready

We will be using an IMDb dataset from Kaggle, which can be downloaded from https://www.kaggle.com/PromptCloudHQ/imdb-data. Download the dataset and unzip the CSV file.

We will also use a small-scale Python search engine called Whoosh. Install it using pip:

pip install whoosh

We will also be using the pretrained word2vec model from the Using word embeddings recipe.

How to do it…

We will create a class for the Whoosh search engine that will create a document index based...

lock icon The rest of the chapter is locked
Register for a free Packt account to unlock a world of extra content!
A free Packt account unlocks extra newsletters, articles, discounted offers, and much more. Start advancing your knowledge today.
Unlock this book and the full library FREE for 7 days
Get unlimited access to 7000+ expert-authored eBooks and videos courses covering every tech area you can think of
Renews at R$50/month. Cancel anytime