Their seed data is probably the n-gram dataset that they released (or maybe a more recent one): http://googleresearch.blogspot.com/2006/08/all-our-n-gram-are-b

Their seed data is probably the n-gram dataset that they released (or maybe a more recent one): http://googleresearch.blogspot.com/2006/08/all-our-n-gram-are-belong-to-you.html http://googleresearch.blogspot.com/2006/08/all-our-n-gram-ar... Microsoft also has an n-gram dataset that you can access through a web service: http://web-ngram.research.microsoft.com/info/ http://web-ngram.research.microsoft.com/info/