"In 2007, SRI [1] spun off Siri, Inc. Siri was born from SRI's work on the DARPA-funded CALO [2] project, described by SRI as the largest artificial intelligence project ever launched. Siri was acquired by Apple in 2010."
[1] http://en.wikipedia.org/wiki/SRI_International
[2] http://en.wikipedia.org/wiki/CALO
"In 2007, SRI [1] spun off Siri, Inc. Siri was born from SRI's work on the DARPA-funded CALO [2] project, described by SRI as the largest artificial intelligence project ever launched. Siri was acquired by Apple in 2010."
[1] http://en.wikipedia.org/wiki/SRI_International
[2] http://en.wikipedia.org/wiki/CALO