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Vivisimo Inc.
Type Private
Founded Pittsburgh, Pennsylvania (2000)
Headquarters Pittsburgh, Pennsylvania
Key people John Kealey, CEO
Kevin Calderwood, President
Jerome Pesenti, Chief Scientist
Chris Palmer, CTO
Industry Internet
Products Vivisimo Velocity Search Platform

Vivisimo is a privately held enterprise search software company in Pittsburgh that develops and sells software products to improve search on the web and in enterprises. The focus of Vivisimo'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.

Vivisimo's main product offering is Velocity — an enterprise search platform that unifies access to secure business repositories. Vivisimo was first to offer social search, which lets enterprise users share their knowledge with coworkers by tagging, ranking, and annotating search results.

Vivisimo also owns the public web search service Clusty.



Vivisimo was founded in 2000 by a trio of computer science researchers at Carnegie Mellon University. The name was taken from the Latin root viva for "life," with the Romance suffix -issimo indicating a superlative. Earlier marketing tied this to the company's older tagline, "bright, lively, and intelligent."

In October 2005, Vivisimo was awarded the contract to power the search portion of (now called, the official web portal of the United States federal government.[1]

The company is funded from a variety of sources, including Innovation Works, the National Science Foundation, and private investors. Its products are used by a wide variety of websites, companies, and government agencies.


Velocity is sold as an installed or hosted application to enterprises, governments, and OEMs. Vivisimo provides professional services, acknowledging that enterprise search in complex corporate environments benefits from the shared experience of similar deployments elsewhere.

Velocity's social search features allow users to contribute to organizational content by tagging, voting, annotating and sharing search results. The contributions are instantly indexed in new searches, which helps foster collaboration throughout the enterprise.

Product Awards

  • InfoWorld 2008 Technology of the Year - Best Enterprise Search[2]
  • InfoWorld 2007 Technology of the Year - Best Enterprise Search[3]
  • InfoWorld 2006 Technology of the Year - Best Enterprise Search[4]
  • Network Computing Editor's Choice - Enterprise Search Review[5]

See also


External links




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