pippellia on Nostr: First off, GrapeRank (GP) should only be compared to Personalized Pagerank (PP). Both ...
First off, GrapeRank (GP) should only be compared to Personalized Pagerank (PP). Both are personalized, or "local".
Second, I very much disagree that PP is about popularity. It depends on the graph it is run. If you would "run it on zaps", you would get something that is closer to "value" than "popularity".
Third, the mathematical properties of GP are unknown (does it converge? what's the relationship with distance? what's the relationship with flux? is it graph stable?), but I would they are not promising. Here for example:
Npubs that are 2 and 3 hops from the user, span the whole spectrum of possible values. This suggests that distance DOES NOT really play a role in GP. But distance is something the user can influence directly, by following/unfollowing!
Compare it to Personalized Pagerank where distance actually has both a theoretical and measurable impact. As you can see, the tendency is that, the furthest you go, the lower the score.
Second, I very much disagree that PP is about popularity. It depends on the graph it is run. If you would "run it on zaps", you would get something that is closer to "value" than "popularity".
Third, the mathematical properties of GP are unknown (does it converge? what's the relationship with distance? what's the relationship with flux? is it graph stable?), but I would they are not promising. Here for example:
![](https://m.primal.net/NoIR.png)
Npubs that are 2 and 3 hops from the user, span the whole spectrum of possible values. This suggests that distance DOES NOT really play a role in GP. But distance is something the user can influence directly, by following/unfollowing!
Compare it to Personalized Pagerank where distance actually has both a theoretical and measurable impact. As you can see, the tendency is that, the furthest you go, the lower the score.
![](https://m.primal.net/NoIc.png)