ReadWriteWeb writes "Ebrahim Ezzy reviews 5 new third-generation search technologies — and how they compare to the big guns of Google, Yahoo and MSN. These so-called "search 2.0" companies are combining the scalability of existing internet search engines with new and improved relevancy models; they bring into the equation user preferences, collaboration, collective intelligence, a rich user experience, and many other specialized capabilities. The new search engines profiled are Swicki, Rollyo, Clusty, Wink and Lexxe." Note, as the article points out, that the author has developed yet another search engine, called Qube.
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