Run example in Giraph: PageRank

Latest Update: Check Questions: 4, 5, 7, 8 for changes. Instead of using the internal InputFormat and OutputFormat that SimplePageRankComputation has (which are currently buggy), I use others to make it work!

I’ve noticed an increase of the views for the Shortest Paths example,  so I decided to post my fairytale with PageRank as well. Please! Any suggestions, improvements, positive/negative feedback about these posts are more than welcome! I will respect you till the end of time 😉

So, let’s ask ourselves.

~~~~~ Q#1: What’s the PageRank problem?

Problem Description: Assign a weight to each node of a graph which represents its relative importance inside the graph. PageRank usually refers to a set of webpages, and tries to measure which ones are the most important in comparison with the rest from the set. The importance of a webpage is measured by the number of incoming links, i.e. references it receives from other webpages.

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