Task-specific language sets for multilingual learning

A computer program product for multilingual learning, the computer program product comprising:

• one or more non-transitory computer-readable storage media and program instructions stored on the one or more non-transitory computer-readable storage media capable of performing a method, the method comprising:
• training, for each language in a set of two or more languages, a model for a task;
• identifying one or more important words appearing in at least two of the models;
• weighting one or more conflicts and one or more overlaps between the one or more important words;
• and
• generating a cluster of at least two languages of the set based on an aggregate of the weighting.

A computer system for multilingual learning, the system comprising:

• one or more computer processors, one or more computer-readable storage media, and program instructions stored on the one or more of the computer-readable storage media for execution by at least one of the one or more processors capable of performing a method, the method comprising:
• training, for two or more languages, one or more models for a task;
• identifying one or more important words within the one or more models;
• weighting one or more conflicts and one or more overlaps between the one or more important words across the two or more languages;
• and
• generating a cluster of at least two of the two or more languages based on an aggregate of the weighting.