1. A method of supplementing an input text given in an incomplete language with missing information, the method comprising: enriching said input text given in an incomplete language with the missing information using at least one processor programmed to implement a first statistical method configured to operate on a first type of linguistic unit and a second statistical method configured to operate on a second type of linguistic unit, wherein the enriching comprises applying the first statistical method to the input text to generate an intermediate result, and after the first statistical method has been applied, applying the second statistical method to at least a portion of the intermediate result to generate an enriched representation of the input text.