Vivísimo is a privately-held technology company in Pittsburgh specialising in the development of computer search engines. The focus of Vivísimo's research thus far has been the concept of clustering search results based on topic; for example, dividing the results of a search for "cell" into groups like "biology," "battery," and "prison." This process allows users to intuitively narrow their search results to a particular category or browse through related fields of information, and seeks to avoid the "overload" problem of sorting through too many results.
Vivísimo technology is available to enterprise in the form of a cohesive search suite, Vivísimo Velocity, which includes the Vivísimo Clustering Engine and Vivísimo Content Integrator. The technology is also freely available to the public in the form of Clusty: a free, clustering search engine at
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