Powerset, the search engine that Pell created in 2003 and plans to open to the public in 2008, is one of a new crop of "semantic search" start-ups that aim to introduce natural language to the process of finding information on the Web.

FORBES: Magazine Article

Watson is a cognitive system that can process massive amounts of data, including natural language.

WSJ: IBM sends Watson to NY college to boost its skills

InsideView uses an aggregation of open source and proprietary technology for search and natural language processing to track social media related to the sales process.

FORBES: JargonSpy