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PageRank Vs. BrowseRank . The algorithm wars August 12, 2008

Posted by razasayed in general.
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I talked about Yahoo! revamping its search service in my previous post.Now can Microsoft be far behind ?. Well, according to Microsoft, the formula behind Googles success in the search area is their “PageRank” algorithm . The PageRank algorithm rates the relevance of a page based on the number of pages that link to it, and how many pages link to those pages so on and so forth….

Microsoft says it has come up with a better algorithm which it calls “BrowseRank” . Now instead of relying on the number of links between pages , this algorithm determines a page relevance by the actual number of hits it receives by users . So, the more visits of the page made by the users and the longer time periods spent by the users on the page, the more likely the page is important. So BrowseRank brings a human touch to the assessment of a pages relevance.

Now, whether Google or Microsoft or Yahoo! will have the final word in search technology only time will tell, but so far Google no doubt leads with Yahoo! at number two and Microsoft at number three ๐Ÿ˜›

You can read more about this algo war here

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Comments»

1. Chris - August 12, 2008

Very interesting, although this has been tried before. DirectHit had a search engine built entirely on clickstream data (Acquired by Ask.com in 2000). They got the data from ISPs in those days. The end-result is really not that much better than Page-Rank.

Me.dium on the other hand (http://me.dium.com/search) is processing user’s clickstream data in real-time to create a different lens based on what’s going on now. e.g. do a search for John Edwards on Google or Live, and you get johnedwards.com and wiki/johnedwards. Do the same search on Me.dium and you learn that today people care about his love child, pictures of his mistress, etc.

The difference is real-time (what people are browsing now) vs. historical (what they browsed in the past). Social vs. Old School. Check it out. http://me.dium.com/search.

2. razasayed - August 13, 2008

Thanks Chris for sharing this interesting info ๐Ÿ™‚


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