Natural Language Processing - Probability Models in Python
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Natural Language Processing - Probability Models in Python
This course is part of Modern Natural Language Processing Specialization
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What you'll learn
Master Markov models for sequential data and their applications in NLP.
Learn to build and implement text classifiers and language models in Python.
Understand the use of n-grams for article spinning and text generation.
Apply genetic algorithms for cipher decryption and encryption analysis.
Skills you'll gain
Tools you'll learn
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5 assignments
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There are 4 modules in this course
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A smarter way to learn with interactive, real-time conversations that help you test your knowledge, challenge assumptions, and deepen your understanding as you progress through the course. Dive into Natural Language Processing (NLP) using probability models in Python! This course covers essential topics like Markov models, text classification, article spinning, and cipher decryption. You will build practical skills by applying theoretical knowledge through coding exercises, enabling you to tackle real-world NLP problems with probability models. Begin by understanding the foundations of Markov models, including the Markov property and probability smoothing techniques. You will learn how to build and code text classifiers and language models, exploring the application of these models in text prediction. With hands-on coding exercises, you will master implementing these models in Python. Next, you will delve into article spinning using n-grams, enhancing your ability to generate diverse and meaningful content. Finally, youβll explore the complexities of cipher decryption, applying probability models and genetic algorithms to crack encrypted messages. Throughout the course, you'll solidify your understanding by coding and testing various models. This course is perfect for learners interested in NLP, machine learning, and Python programming. No prior experience in probability modeling is required, though familiarity with Python basics is beneficial. Ideal for learners looking to strengthen their NLP and data science skills.
In this module, we will introduce the course, providing an overview of the key topics and concepts to be covered. Youβll also learn how to access important resources, such as special offers and the course code, to enhance your learning experience and ensure you have everything needed to get started.
What's included
3 videos2 readings
3 videosβ’Total 9 minutes
- Introduction and Outlineβ’5 minutes
- Special Offerβ’1 minute
- Where to Get the Codeβ’3 minutes
2 readingsβ’Total 20 minutes
- Introduction to the Course 'Natural Language Processing - Probability Models in Python'β’10 minutes
- Full Course Resourcesβ’10 minutes
In this module, we will explore the fundamentals of Markov models and their application in Natural Language Processing. You'll learn how to build probabilistic text classifiers and language models by understanding state transitions, applying smoothing techniques, and coding real-world NLP solutions in Python. By the end of the section, youβll have implemented your own models to classify and generate text based on probability-driven methods.
What's included
13 videos1 assignment
13 videosβ’Total 108 minutes
- Markov Models Section Introductionβ’3 minutes
- The Markov Propertyβ’8 minutes
- The Markov Modelβ’13 minutes
- Probability Smoothing and Log-Probabilitiesβ’8 minutes
- Building a Text Classifier (Theory)β’7 minutes
- Building a Text Classifier (Exercise Prompt)β’7 minutes
- Building a Text Classifier (Code pt 1)β’11 minutes
- Building a Text Classifier (Code pt 2)β’12 minutes
- Language Model (Theory)β’10 minutes
- Language Model (Exercise Prompt)β’7 minutes
- Language Model (Code pt 1)β’11 minutes
- Language Model (Code pt 2)β’9 minutes
- Markov Models Section Summaryβ’3 minutes
1 assignmentβ’Total 15 minutes
- Markov Models - Assessmentβ’15 minutes
In this module, we will delve into the concept of article spinning and how to generate diverse and unique content. Weβll explore the n-gram approach for text variation, code an article spinner in Python, and discuss real-world issues in spinning content. By the end, youβll be able to create functional and meaningful article spinners that produce varied text while avoiding common mistakes.
What's included
6 videos1 assignment
6 videosβ’Total 51 minutes
- Article Spinning - Problem Descriptionβ’8 minutes
- Article Spinning - N-Gram Approachβ’4 minutes
- Article Spinner Exercise Promptβ’6 minutes
- Article Spinner in Python (pt 1)β’18 minutes
- Article Spinner in Python (pt 2)β’10 minutes
- Case Study: Article Spinning Gone Wrongβ’6 minutes
1 assignmentβ’Total 15 minutes
- Article Spinner - Assessmentβ’15 minutes
In this module, we will explore the use of probability models in cipher decryption, focusing on genetic algorithms and language models. You'll learn how to implement and optimize decryption algorithms in Python to crack encrypted messages. Additionally, weβll explore real-world applications like acoustic keyloggers and discuss the significance of decryption in maintaining digital security.
What's included
14 videos1 reading3 assignments
14 videosβ’Total 95 minutes
- Section Introductionβ’5 minutes
- Ciphersβ’4 minutes
- Language Models (Review)β’16 minutes
- Genetic Algorithmsβ’21 minutes
- Code Preparationβ’5 minutes
- Code pt 1β’3 minutes
- Code pt 2β’7 minutes
- Code pt 3β’5 minutes
- Code pt 4β’4 minutes
- Code pt 5β’7 minutes
- Code pt 6β’5 minutes
- Cipher Decryption - Additional Discussionβ’3 minutes
- Real-World Application: Acoustic Keyloggerβ’3 minutes
- Section Conclusionβ’6 minutes
1 readingβ’Total 10 minutes
- Conclusion to the Course 'Natural Language Processing - Probability Models in Python'β’10 minutes
3 assignmentsβ’Total 90 minutes
- Cipher Decryption - Assessmentβ’15 minutes
- Full Course Assessmentβ’60 minutes
- Full Course Practice Assessmentβ’15 minutes
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Yes, you can preview the first video and view the syllabus before you enroll. You must purchase the course to access content not included in the preview.
If you decide to enroll in the course before the session start date, you will have access to all of the lecture videos and readings for the course. Youβll be able to submit assignments once the session starts.
Once you enroll and your session begins, you will have access to all videos and other resources, including reading items and the course discussion forum. Youβll be able to view and submit practice assessments, and complete required graded assignments to earn a grade and a Course Certificate.
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