Patent ID: 8812302

Claim:
A computer-implemented method for assisting a user to input Vietnamese text via a user interface of a user device lacking a subset of characters in a Vietnamese alphabet, the method comprising: receiving, at the user device including the user interface, a display, and a processor, a character input by a user; determining, at the user device, three words previously input by the user, the three words having already had diacritical marks inserted; transmitting, from the user device, the three words and the character to a server via a network; receiving, at the user device, at least one of first and second information corresponding to the character from the server via the network, the first and second information generated at the server based on a context of the three words, the context determined at the server using a language model, the first information indicating whether the character requires a diacritical mark, and the second information indicating a specific diacritical mark; generating, at the user device, a modified character based on the character and the first and second information, the modified character comprising a character in the Vietnamese alphabet; and displaying, via the display of the user device, the modified character.