Algorithm to calculate a page importance based on its views / comments

Posted by stacker on Stack Overflow See other posts from Stack Overflow or by stacker
Published on 2010-05-27T02:26:30Z Indexed on 2010/06/01 23:13 UTC
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I need an algorithm that allows me to determine an appropriate <priority> field for my website's sitemap based on the page's views and comments count.

For those of you unfamiliar with sitemaps, the priority field is used to signal the importance of a page relative to the others on the same website. It must be a decimal number between 0 and 1.

The algorithm will accept two parameters, viewCount and commentCount, and will return the priority value. For example:

GetPriority(100000, 100000); // Damn, a lot of views/comments! The returned value will be very close to 1, for example 0.995
GetPriority(3, 2); // Ok not many users are interested in this page, so for example it will return 0.082

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