Graph Analytics, Pagerank, Spectral Clustering, Machine Learning, AI.
but first the algorithm emits (x , 0) that is (q1 0), as well as (q1 , q2/3), (q1, q3/3), (q1, q4/3). The image below shows what this will look like. The same is done for q2, q3, and q4. Map function for PageRank The reduce function takes in the key value pair, key is the page and value is the list