The Handbook of NLP with Gensim: Leverage topic modeling to uncover hidden patterns, themes, and valuable insights within textual data - Softcover

Chris Kuo

Softcover

ISBN 10: 1803244941 ISBN 13: 9781803244945

Publisher: Packt Publishing - ebooks Account, 2023

Synopsis

Elevate your natural language processing skills with Gensim and become proficient in handling a wide range of NLP tasks and projects

Key Features

• Advance your NLP skills with this comprehensive guide covering detailed explanations and code practices
• Build real-world topical modeling pipelines and fine-tune hyperparameters to deliver optimal results
• Adhere to the real-world industrial applications of topic modeling in medical, legal, and other fields
• Purchase of the print or Kindle book includes a free PDF eBook

Book Description

Navigating the terrain of NLP research and applying it practically can be a formidable task made easy with The Handbook of NLP with Gensim. This book demystifies NLP and equips you with hands-on strategies spanning healthcare, e-commerce, finance, and more to enable you to leverage Gensim in real-world scenarios.

You’ll begin by exploring motives and techniques for extracting text information like bag-of-words, TF-IDF, and word embeddings. This book will then guide you on topic modeling using methods such as Latent Semantic Analysis (LSA) for dimensionality reduction and discovering latent semantic relationships in text data, Latent Dirichlet Allocation (LDA) for probabilistic topic modeling, and Ensemble LDA to enhance topic modeling stability and accuracy.

Next, you’ll learn text summarization techniques with Word2Vec and Doc2Vec to build the modeling pipeline and optimize models using hyperparameters. As you get acquainted with practical applications in various industries, this book will inspire you to design innovative projects. Alongside topic modeling, you’ll also explore named entity handling and NER tools, modeling procedures, and tools for effective topic modeling applications.

By the end of this book, you’ll have mastered the techniques essential to create applications with Gensim and integrate NLP into your business processes.

What you will learn

• Convert text into numerical values such as bag-of-word, TF-IDF, and word embedding
• Use various NLP techniques with Gensim, including Word2Vec, Doc2Vec, LSA, FastText, LDA, and Ensemble LDA
• Build topical modeling pipelines and visualize the results of topic models
• Implement text summarization for legal, clinical, or other documents
• Apply core NLP techniques in healthcare, finance, and e-commerce
• Create efficient chatbots by harnessing Gensim's NLP capabilities

Who This Book Is For

This book is for data scientists and professionals who want to become proficient in topic modeling with Gensim. NLP practitioners can use this book as a code reference, while students or those considering a career transition will find this a valuable resource for advancing in the field of NLP. This book contains real-world applications for biomedical, healthcare, legal, and operations, making it a helpful guide for project managers designing their own topic modeling applications.

Table of Contents

1. Introduction to NLP
2. Word Embedding
3. Text Wrangling and Preprocessing
4. Latent Semantic Analysis with scikit-learn
5. Cosine Similarity
6. Latent Semantic Indexing with Gensim
7. Using Word2Vec
8. Doc2Vec with Gensim
9. Understanding Discrete Distributions
10. Latent Dirichlet Allocation
11. LDA Modeling
12. LDA Visualization
13. The Ensemble LDA for Model Stability
14. LDA and BERTopic
15. Real-World Use Cases

About this title

About the Author

Chris Kuo is a data scientist with over 23 years of experience. He led various data science solutions including customer analytics, health analytics, fraud detection, and litigation. He is also an inventor of a U.S. patent. He has worked at several Fortune 500 companies in the insurance and retail industries. Chris teaches at Columbia University and has taught at Boston University and other universities. He has published articles in economic and management journals and served as a journal reviewer. He is the author of the eXplainable A.I., Modern Time Series Anomaly Detection, Transfer Learning for Image Classification, and The Handbook of Anomaly Detection. He received his undergraduate degree in Nuclear Engineering and Ph.D. in Economics.

Edition details

• Publisher: Packt Publishing - ebooks Account
• Publication date: 2023
• ISBN 10: 1803244941
• ISBN 13: 9781803244945
• Binding: Paperback
• Language: English
• Number of pages: 310