January 2018
Intermediate to advanced
332 pages
7h 36m
English
Content preview from Hands-On Data Structures and Algorithms with JavaScript
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Understanding Personalized PageRank (PPR) Algorithm
Now that we have a brief understanding of PageRank, what is Personalized PageRank? It's quite simple actually, instead of jumping to a random node every time, we jump to a predefined node and then recursively accumulate the probability of hitting each node while traversing using BFS.
Let's assume that we have a few friends who are structured as shown in the following diagram:
This is straightforward; we have bidirectional edges between the nodes, indicating a friendship between them. In this problem, we can assume that we want to suggest new friends to User A.
The simplest part is also the ...
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