Expert Stuff: Google's Mike Cohen

In the Android developer's kit, Google makes two models available: the Freeform model and the Web search model. What's the difference?

Right, so the Web search language model is specifically trained on lots of queries that have come into, all those word strings and stuff. So if it's a query-like application, be it voice search or things that are relatively short inputs where you're looking for something, even if it's more specialized -- I'm looking for this book, I'm looking for whatever -- then it may be more sensible to try the Web-search language model, if it's that style of application. If it's broader, people are dictating e-mails, letters and who knows what, then the dictation language model may be better, but people may very well want to experiment with it, try both, and see what works.

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