COMP5423 Natural Language Processing Lecture 3
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COMP5423 Natural Language Processing
Lecture 3: Text Classification and Ranking
Friday, 3 February, 2023
Exercise 1:
Chinese word segmentation can be cast to a classification problem. Do you have any idea how to apply a classification model to segment a Chinese sentence?
Exercise 2:
Continue with Lecture 2 Exercise 2. For the query “best car insurance”, which document is the most relevant one? Assume cosine similarity is used in document ranking and query vector is also tf-idf weighted. (The information provided in Lecture 2 Exercise 2 is not repeated here.)
2023-03-27
Text Classification and Ranking