Скачать или смотреть General Practical Tips | Stanford CS224U Natural Language Understanding | Spring 2021

For more information about Stanford's Artificial Intelligence professional and graduate programs visit: https://stanford.io/ai

To learn more about this course visit: https://online.stanford.edu/courses/c...
To follow along with the course schedule and syllabus visit: https://web.stanford.edu/class/cs224u/

Professor Christopher Potts
Professor and Chair, Department of Linguistics
Professor, by courtesy, Department of Computer Science

0:00 Introduction
1:58 Whitespace tokenizer
2:44 Treebank tokenizer
3:35 Sentiment-aware tokenizer
5:37 The impact of sentiment-aware tokenizing
7:11 The dangers of stemming
8:50 The Lancaster stemmer Uses the same strategy as the Porter stemmer.
10:00 The impact of stemming
10:38 Part of speech (POS) tagging
11:19 The limits of POS tagging
12:05 Simple negation marking
14:02 The impact of negation marking