O'Reilly logo

Voice Application Development for Android by Zoraida Callejas, Michael F. McTear

Stay ahead with the world's most comprehensive technology and business learning platform.

With Safari, you learn the way you learn best. Get unlimited access to videos, live online training, learning paths, books, tutorials, and more.

Start Free Trial

No credit card required

Statistical NLU

Hand-crafted grammars are time consuming to develop and prone to errors. Considerable linguistic and engineering expertise is required to develop a grammar with good coverage and optimized performance. Moreover, the rules of a hand-crafted grammar cannot easily cope with the irregular input that is characteristic of spontaneous spoken language. For example, given the recognized words I would like a um flight from Paris to New York on Monday no Tuesday afternoon, our grammar would fail since um and no are not specified in the rules.

A statistical grammar is an alternative to a hand-crafted grammar. Statistical grammars are learned from data and involve collecting and annotating large amounts of relevant language data. Statistical ...

With Safari, you learn the way you learn best. Get unlimited access to videos, live online training, learning paths, books, interactive tutorials, and more.

Start Free Trial

No credit card required