Lecture

NLP Pre-processing: Tokenization, Stop Words, Lemmatization

In course

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Description

This lecture covers the pre-processing steps for Natural Language Processing tasks, focusing on tokenization, stop words removal, and lemmatization. The instructor guides through the process of preparing text data for sentiment analysis using Python libraries like NLTK and Spacy. The lecture includes practical examples of tokenizing text, removing stop words, and reducing words to their base form. Students will learn how to implement these techniques in a step-by-step manner and understand their importance in text analysis tasks.

Instructor

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Official source

https://mediaspace.epfl.ch/media/0_sbznh2b0

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Ontological neighbourhood

Information engineering

Machine learning: Artificial neural networks

Natural language processing: Topics in natural language processing

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