Unsupervised Signaling

53 - Keyword Extraction

Providing the most relevant words from a document.

Provide the most relevant words from this document. That is the task of keyword extraction. It is often used as a starting point when doing unsupervised text analytics. The term Keywords is also known as common phrases , multi-word expressions and word n-gram collocations.

Calculating keywords can for example be done by the Textrank algorithm or by detecting Ngrams.

This article is part of the project Periodic Table of NLP Tasks. Click to read more about the making of the Periodic Table and the project to systemize NLP tasks.