Graph-based discovery of text documents
Explorative search is a document-word graph-based search technique that leverages NLP and Pagerank to explore text collections and discover unexpected relations.
Read the notebook presenting the study of Explorative search here.
Felix Engelmann and Elias Zevudakis already introduced this technique in 2017 in their Bachelor thesis. Probably other people too, but not under a name that I am aware of.