Techniques for inserting diacritical marks to text input via a user device

A computer-implemented method, comprising:

• receiving, at a user device including a user interface, a display, and a processor, a first character input by a user;
• determining, at the user device, one or more second characters previously input by the user to the user device;
• determining, at the user device, a context of the one or more second characters using a language model;
• determining, at the user device, first information corresponding to the first character based on the context of the one or more second characters, the first information indicating whether the first character requires a diacritical mark;
• when the first character requires a diacritical mark, determining, at the user device, second information corresponding to the first character based on the context of the one or more second characters, the second information indicating a specific diacritical mark;
• generating, at the user device, a modified first character based on the first character and the first and second information;
• and
• displaying, via the display of the user device, the modified first character.

A system, comprising:

• an input determination module that determines a first character input by a user to a user device including a user interface, a display, and a processor, and that determines one or more second characters previously input by the user to the user device;
• a context determination module that determines a context of the one or more second characters using a language model;
• an information determination module that determines first information corresponding to the first character based on the context, the first information indicating whether the first character requires a diacritical mark, and that determines second information corresponding to the first character based on the context, the second information indicating a specific diacritical mark;
• a mark insertion module that generates a modified first character based on the first character and the first and second information, wherein the modified first character comprises a character of a Vietnamese alphabet;
• and
• an input control module that provides the modified first character to the user via the display of the user device.