Posts Tagged ‘graphs’

Fanfiction, Graphs, and PageRank

July 7, 2014

On a website called, users write millions of stories about their favorite stories. They have diverse opinions about them. They love some stories, and hate others. The opinions are noisy, and it’s hard to see the big picture.

With tools from mathematics and some helpful software, however, we can visualize the underlying structure.

Graph of Harry Potter Fanfiction, colored by ship


In this post, we will visualize the Harry Potter, Naruto and Twilight fandoms on We will also use Google’s PageRank algorithm to rank stories, and perform collaborative filtering to make story recommendations to top users.


Read the post on my new blog!