An interesting paper, but I grappled with the analogy with natural language tools. For a while I even thought this was a new way of looking for hyponymy in a corpus, which is an area of my research.
Well it can be said that this is a new way of looking for hyponymy in a corpus, I believe that the novelty of papers lies in comparison of hierarchial data with hyperbolic space.
Building my own productivity tool, where I have a database in the form of:
Project:
And in this way I would keep track of my different projects, How have I worked on them. Which project, I am focussing more. I would add visualization also.
And I personally feel that some projects uplift my mood, on completion this would give me further insights.