Powerset unveils semantic search tool / vnunet.com, 13 May 2008
http://www.vnunet.com/vnunet/news/2216477/semantic-wikipedia-search-tool
"Web start-up Powerset has offered a glimpse into the future of search with tools that allow Wikipedia users to employ "conversational phrasing" techniques instead of keywords.
The US-based company is the latest search specialist to showcase tools that embrace the principle of semantic search, often espoused by web inventor Sir Tim Berners-Lee."