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Chasinggoal / Data-_learning_search

Data plus project 2016. Learning to search more deeply
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first issue #1

Open michaellindon opened 8 years ago

michaellindon commented 8 years ago

I'm going to open up issues so we can keep track of our short term goals.

I'd like someone to explain to me what the random surfer model does.

jd282 commented 8 years ago

page rank determines the importance of a site x based on how likely a random surfer reaches site x when it starts on some random site and and follows the random site's hyperlinks. So the random surfer model starts at a site and then randomly picks one of the site's outbound links to follow and keeps doing this until it gets "bored" and then transports to a random url and follows the new site's links. Therefore the importance of a site is determined by the importance of all its inbound links. That was my understanding of what the random surfer model does.