Lecture

Keyphrase Extraction

Description

This lecture introduces keyphrase extraction as a method to extract important phrases from text, which can be used for document summarization, indexing, and search. The instructor explains the process of identifying essential phrases, normalizing text, generating candidate phrases, and ranking them based on TF idea values. The lecture also covers advanced techniques such as incorporating structural and syntactic features, utilizing external resources like Wikipedia, and domain-specific applications.

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