## Overview

## Background (Pre-Neural Machine Translation)

- machine translation (MT): sentence from
*source lang*to*target lang*. - 1950s: rule based, using bilingual dictionary.

1990s-2010s: *Statistical* MT (**SMT**)

using Bayes rule: `P(y|x) = P(x|y)*P(y) / P(x)`

⇒ The **language model** we already learnt in prev lectures
⇒ To get the ...