Data Science Artificial Intelligence

Introduction to Natural Language Processing

A practical foundation in how computers understand, analyze, and generate human language

Introduction to Natural Language Processing logo
Quick Course Facts
17
Self-paced, Online, Lessons
17
Videos and/or Narrated Presentations
5.4
Approximate Hours of Course Media
About the Introduction to Natural Language Processing Course

Introduction to Natural Language Processing is a practical, beginner-friendly course that shows how Data Science techniques are used to work with human language. You’ll gain a solid understanding of how text is cleaned, represented, analyzed, and transformed into useful insights, giving you a strong foundation for modern language-focused applications.

Build Practical Skills In Natural Language Processing

  • Learn A Practical Foundation In How Computers Understand, Analyze, And Generate Human Language
  • Explore Core Data Science Methods Used To Prepare, Model, And Evaluate Text Data
  • Understand The Key Ideas Behind Text Classification, Named Entity Recognition, And Language Models
  • Develop The Skills Needed To Design An End-To-End NLP Workflow With Confidence

A practical foundation in how computers understand, analyze, and generate human language through Data Science.

This Introduction to Natural Language Processing course begins with the essentials of NLP foundations and real-world use cases, then moves into how language becomes data through text collection, corpora, and formatting. You’ll learn the critical preprocessing steps that make text usable, including normalization, tokenization, and cleaning, before moving into numerical text representations such as bag-of-words, TF-IDF, and word embeddings.

As the course progresses, you’ll explore core machine learning and deep learning concepts used in NLP, including text classification, sequence labeling, part-of-speech tagging, named entity recognition, language modeling, recurrent neural networks, attention mechanisms, and transformers. You’ll also see how generative systems handle text generation, summarization, search, retrieval, and question answering, so you can connect theory to real applications.

Beyond modeling, the course covers how to evaluate NLP systems with meaningful metrics, validation strategies, and error analysis, along with important topics like bias, ethics, privacy, and responsible NLP. By the end, you’ll know how to choose suitable models, think through project requirements, and build a complete workflow. After taking this course, you will be able to approach text data with greater confidence, understand how modern language systems work, and apply Data Science principles to practical NLP problems.

Course Lessons

Full lesson breakdown

Lessons are organized by topic area and each includes descriptive copy for search visibility and student clarity.

NLP foundations and real-world use cases

1 lesson

Natural Language Processing (NLP) is the field of building computer systems that can work with human language in text and speech. In this lesson, you will learn what NLP is, why it matters, and how it…

Text collection, formats, and corpora

1 lesson

Lesson 2: How Language Becomes Data

18 min
In this lesson, learners see how human language is turned into usable data for NLP systems. We look at where text comes from, why the source and format matter, and how corpora are built for analysis a…

Normalization, tokenization, and preprocessing

1 lesson

Lesson 3: Cleaning and Preparing Text

20 min
This lesson explains how raw text is turned into a form that machine learning systems can use. You will learn the core preprocessing steps in NLP: normalization, tokenization, and a few practical clea…

From bag-of-words to TF-IDF

1 lesson

Lesson 4: Representing Words Numerically

19 min
This lesson explains how words are turned into numbers so machine learning models can work with text. You will start with the bag-of-words idea, where a document is represented by word counts, then le…

Distributed representations and semantic similarity

1 lesson

Lesson 5: Introduction to Word Embeddings

20 min
Word embeddings are a practical way to represent words as vectors so that similar words end up close together in a numerical space. In this lesson, learners see why one-hot encoding falls short, how d…

Sentiment analysis and document labeling

1 lesson

Lesson 6: Text Classification Basics

18 min
This lesson introduces text classification , one of the most common tasks in natural language processing. Students learn how NLP systems assign labels to text, such as positive or negative sentiment, …

Understanding structure in text

1 lesson

Lesson 7: Sequence Labeling and Part-of-Speech Tagging

19 min
This lesson explains how NLP systems assign labels to words or tokens in a sequence, with a focus on part-of-speech tagging . Students learn why sequence structure matters, how tagging supports downst…

Finding people, places, and organizations

1 lesson

Lesson 8: Named Entity Recognition

18 min
Named Entity Recognition (NER) is the NLP task of finding and classifying mentions of real-world entities in text, such as people, organizations, locations, dates, and products. In this lesson, you’ll…

Predicting words and learning context

1 lesson

Lesson 9: Language Modeling Concepts

20 min
Language modeling is the NLP task of estimating what word or token is most likely to come next, given the words before it. This lesson explains how models learn context , why probability matters, and …

Handling ordered text with sequence models

1 lesson

Lesson 10: Introduction to Recurrent Neural Networks

20 min
Recurrent Neural Networks, or RNNs, are a family of models designed for ordered data such as text, where the meaning of each word can depend on what came before it. In this lesson, Professor Victoria …

Why attention matters in NLP

1 lesson

Lesson 11: Attention Mechanisms Explained

18 min
Attention mechanisms help NLP models focus on the most relevant words or phrases when making a prediction or generating text. In this lesson, learners see why attention became important for tasks like…

The architecture behind current language systems

1 lesson

Lesson 12: Transformers and Modern NLP

22 min
Transformers are the architecture that made modern NLP systems dramatically more effective at understanding context and generating fluent text. In this lesson, Professor Victoria Okafor explains why t…

Applications of generative language models

1 lesson

Lesson 13: Text Generation and Summarization

19 min
This lesson introduces two major applications of generative language models: text generation and summarization . You will see how these systems turn prompts into fluent language, why their outputs can…

Finding and extracting information from text

1 lesson

Lesson 14: Search, Retrieval, and Question Answering

20 min
This lesson introduces search, retrieval, and question answering as core NLP tasks for finding relevant information in text. You will learn the difference between keyword search, semantic retrieval, a…

Metrics, validation, and error analysis

1 lesson

Lesson 15: Evaluating NLP Systems

18 min
Evaluating an NLP system is about more than one score. In this lesson, you’ll learn how to choose the right metrics for classification and generation tasks, why validation data matters, and how to use…

Fairness, privacy, and practical safeguards

1 lesson

Lesson 16: Bias, Ethics, and Responsible NLP

19 min
This lesson explains why bias, ethics, and privacy matter in NLP systems and how those risks show up in real products such as chatbots, search, summarization, moderation, and translation. You will lea…

Choosing models and planning a project

1 lesson

Lesson 17: Building an NLP Workflow

20 min
This lesson shows how to turn an NLP idea into a workable project plan. You will learn how to choose a task, define success, pick a model approach, and match the workflow to your data, budget, and tim…
About Your Instructor
Professor Victoria Okafor

Professor Victoria Okafor

Professor Victoria Okafor guides this AI-built Virversity course with a clear, practical teaching style.