Statistical machine translation is a type of machine translation that uses statistical models, which are based on the analysis of large bilingual corpora, to generate sentences in the target language.

Source:

Uwe Muegge. "Beyond Google Translate: The future of machine translation" Content Management Strategies/DITA North America. Baltimore. Apr. 2011.

Available at: http://works.bepress.com/uwe_muegge/52