10. A machine learning method comprising: receiving, from a user device, a sequence of at least one letter; determining location information associated with the user device; mapping the received sequence of at least one letter and the location information with a database of multiple terms, the database relating a term to a stored sequence of at least one letter and a location range based on a historical correlation between the term and the stored sequence of at least one letter in the location range; providing a candidate term out of the multiple terms as corresponding to the received sequence of at least one letter based on the mapping; displaying the candidate term as corresponding to the received sequence of at least one letter; receiving a user feedback on the candidate term; and updating the database based on the user feedback.
15. The machine learning method of claim 10 , wherein the received sequence of at least one letter is in a first form of a language and the candidate term is in a second form of a language.