I wrote a blog a while back on this when the social graph is represented as adjacency list and friendship as a mutual (undirected) relationship. http://horicky.blogspot.com/2010/08/mapreduce-to-recommend-people.html
Rgds,
Ricky
I wrote a blog a while back on this when the social graph is represented as adjacency list and friendship as a mutual (undirected) relationship. http://horicky.blogspot.com/2010/08/mapreduce-to-recommend-people.html
Rgds,
Ricky