The visualizations remind me of those in a paper I co-authored a while ago (2009) visualizing ~2400 scientific journal / ~5.7M full-text articles: "Semantic Jou

The visualizations remind me of those in a paper I co-authored a while ago (2009) visualizing ~2400 scientific journal / ~5.7M full-text articles: "Semantic Journal Mapping for Search Visualization in a Large Scale Article Digital Library" https://nrc-publications.canada.ca/eng/view/accepted/?id=63e869d5-b589-456e-8459-33e1da3d35c8 https://nrc-publications.canada.ca/eng/view/accepted/?id=63e...