MAS 801 It's a Discreetly Discrete World – Mathematics in ... - Spms
MAS 801 It's a Discreetly Discrete World – Mathematics in ... - Spms
MAS 801 It's a Discreetly Discrete World – Mathematics in ... - Spms
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PageRank: An Improvement<br />
• The previous def<strong>in</strong>ition of “importance” of a web page suffers from a<br />
problem<br />
• Can you see what it is<br />
• To be <strong>in</strong>cluded <strong>in</strong> a short list should mean more than be<strong>in</strong>g <strong>in</strong>cluded<br />
<strong>in</strong> a long list<br />
• Suggests that a l<strong>in</strong>k from i to j should be weighted by the number of<br />
pages l<strong>in</strong>ked to by i<br />
• Importance of a node i is the sum of the weights of the l<strong>in</strong>ks to i
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