Context sensitive input tools

A computer system, comprising:

• one or more processors;
• and
• a non-transitory, computer readable medium storing instructions that, when executed by the one or more processors, cause the computer system to perform operations comprising:
• receiving an input from a user, the input including one or more characters in a first script representative of text in a particular language, the input being received in association with a document;
• determining a context of the input based on one or more semantic topics of the document associated with the input;
• determining one or more candidates for the input based on (i) the input, (ii) the context of the input, and (iii) a language model, the candidates including one or more characters in a second script representative of the text in the particular language, the language model expressing a probability of occurrence of the one or more candidates in the particular language;
• and
• outputting a list of the one or more candidates for display to the user.