# Keyword Extraction

### Graph-Based Keyword Extraction

Graph-based approaches like TextRank allows the extraction of keywords + phrases based on their centrality to the semantics of the other words in the document.

- [https://github.com/SkBlaz/rakun2](https://github.com/SkBlaz/rakun2) - RaKUn 2.0, a very fast keyphrase extraction algorithm suitable for large-scale keyphrase retrieval. It has an [associated preprint](https://arxiv.org/abs/2208.07262).