Well we're in a break right now and the three morning talks were all interesting, especially Stephen Arnold of AIT. Arnold is a long time information knowledge technophile and pulls no punches when discussing the industry, and that's a good thing, as we need perspectives from all angles on search. So his talk "Google: The Erosion of Relevance" is one I've been anticipating. And he did not disappoint.
He started by calling Google, Googzilla. This drew some laughter from the crowd. He pointed out that all the talks from the previous day touched upon Google in some way. We're obsessed with Google, we love Google. And since everyone loves Google we seem to be missing something. And that something is that search relevance is being eroded. And he wasn't just critical of Google. He said all the major search engines, Microsoft and Yahoo included, and everyone else is eroding relevance. So exactly what does he mean by this?
His basic premise is that content is being steered, thus its relevance is being eroded. Search engine results are being skewed as people learn how to manipulate them. This erodes relevance. He cites emerging social tools, that, while people find cool, actually are doing us all a disservice by skewing the results. Some examples include del.icio.us which he says poses big problems, as we are overlooking what happens when humans use random terms to classify links. He cited Flickr who use "word" tags which erode relevance. He also cited digg, and how it appeared to be more popular then Slashdot but has recently run into problems in that some users had figured out to skew the results so their posts ranked at the top.
What about the search engine themselves? Are they allowing relevance to be eroded? His answer is not a simple one. A part of him says yes while another says no. Are they doing it intentionnally, no. However users are learning how to manipulate the results. To me it's an ongoing game between the search engines and the users who want to rank high. He also notes that current search compnies are not focusing on the problems of search. Not everyone would agree with him on this point.
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