Algorithms

Most of our services accept an optional sort parameter, that allows control over ranking behavior to optimize for performance, robustness, or personalization.
These are the sorting algorithms currently supported

• followerCount
  A simple algorithm that ranks entities solely by their number of followers.

• globalPagerank
  A slight modification of Pagerank, which assigns each node a score representing its “average perceived importance” based on the overall structure of the network.

• personalizedPagerank
  A variation of Personalized Pagerank, which adjusts rankings for each user based on their unique connections within the graph.

Tradeoffs

Algorithm	Speed	Integrity	View
followerCount	Fast ~50ms	Medium	global
globalPagerank	Fast ~50ms	High	global
personalizedPagerank	Slower ~600ms	Highest	personal

• Integrity:
  How resistant the algorithm is to manipulation. High integrity indicate that it’s hard for attackers to artificially boost their ranking.

• View:
  Indicates whether the ranking is global—the same for everyone—or personalized based on the provided source.