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Wednesday, August 03, 2005

 
According to an article from IT Facts , only 1.1% of results appear on Yahoo!, Google, MSN and Ask Jeeves, while 84.9% of the top results were unique to one search engine. Personally I find this a little hard to believe, since I do a lot of cross database searching and the percentage usually seems to be higher for me. However, it's an interesting article and worth looking at, especially if you're a trainer and really want to point out to people that using one search engine isn't really enough.

Comments:
The summary you link to leaves out an important word from the article it links to: top results.

It's fair to assume that a huge amount of apparent non-overlap comes from different "relevance" algorithms.

As I'm sure you know, there's no way the researchers could have analyzed all results for most searches, since Google and most other web search engines won't return more than 1,000 (or fewer) results for any search.

I haven't gone to the actual research report to see what they mean by "top" (first 25? first 100?), but...
 
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