What is dumping factor in calculating page rank?n how google calculate it?
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Quote:
Originally Posted by joshz
The quality and authority of the sites linking to you.
Be a bit more solicitous in your replies Josh or I'll be handing out the disagrees.
The question should really be what is the damping factor.
This is a factor which attentuantes page rank, because otherwise the algo wouldn't work.
To calculate the PageRank for a page, all of its inbound links are taken into account. These are links from within the site and links from outside the site.
That's the equation that calculates a page's PageRank. It's the original one that was published when PageRank was being developed, and it is probable that Google uses a variation of it but they aren't telling us what it is. It doesn't matter though, as this equation is good enough.
In the equation 't1 - tn' are pages linking to page A, 'C' is the number of outbound links that a page has and 'd' is a damping factor, usually set to 0.85.
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hii joshz
srry for spelling mistake
but a research paper say that "the d damping factor is the probability at each page the "random surfer" will get bored and request another random page. One important variation is to only add the damping factor d to a single page, or a group of pages."
can u explain this more?
Are search Engines other than google also use this damping factor?
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Quote:
Originally Posted by WhiteHatSEOMktg
Be a bit more solicitous in your replies Josh or I'll be handing out the disagrees.
The question should really be what is the damping factor.
This is a factor which attentuantes page rank, because otherwise the algo wouldn't work.
To calculate the PageRank for a page, all of its inbound links are taken into account. These are links from within the site and links from outside the site.
That's the equation that calculates a page's PageRank. It's the original one that was published when PageRank was being developed, and it is probable that Google uses a variation of it but they aren't telling us what it is. It doesn't matter though, as this equation is good enough.
In the equation 't1 - tn' are pages linking to page A, 'C' is the number of outbound links that a page has and 'd' is a damping factor, usually set to 0.85.
PR(A) = (1-d) / N + d (PR(T1)/C(T1) + ... + PR(Tn)/C(Tn))
The new version multiplies by the total number of web pages N.
Last edited by KernelPanic : October 8th, 2010 at 04:46 PM.
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Quote:
Originally Posted by varshney7488
hii joshz
srry for spelling mistake
but a research paper say that "the d damping factor is the probability at each page the "random surfer" will get bored and request another random page. One important variation is to only add the damping factor d to a single page, or a group of pages."
can u explain this more?
Are search Engines other than google also use this damping factor?
The damping factor is necessary because people do not click on every link.
A page's pagerank is derived from the pagerank of the pages linking to it. The damping factor adjusts the pagerank down because at some point the surfer will stop clicking!
This made my brain bleed, don't think that I came up with this off the top of my head. Please correct me if I am not clear or left something out.
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What is dumping factor in calculating page rank?n how google calculate it?
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