1. A computer-implemented method for providing multi-language support for data mining models, the method comprising: receiving an extension document having first and second entries associated with a unique identifier in a textual description field of a data mining model, the first entry including textual information in a first language, and the second entry including textual information in a second language; processing a request from a front-end application to execute an analytical task associated with the data mining model; and outputting to the front-end application an updated model output that includes the first entry such that the textual information is output in the first language.