9. The method of claim 1 , wherein the secondary language comprises a first secondary language and at least a second secondary language, the method further comprising, for each of the at least one unrecognized sequence not recognized as being in the first secondary language, determining whether the unrecognized sequence includes a first word recognized in the second secondary language and, if so, identifying a sequence of words in the second secondary language which includes at least the first word, the identifying of the sequence of words in the second secondary language including determining whether the sequence in the second secondary language should be expanded beyond the first word to include adjacent words and labeling the text based on the identified sequences of words in the second secondary language.
9. The method of claim 1 , wherein the secondary language comprises a first secondary language and at least a second secondary language, the method further comprising, for each of the at least one unrecognized sequence not recognized as being in the first secondary language, determining whether the unrecognized sequence includes a first word recognized in the second secondary language and, if so, identifying a sequence of words in the second secondary language which includes at least the first word, the identifying of the sequence of words in the second secondary language including determining whether the sequence in the second secondary language should be expanded beyond the first word to include adjacent words and labeling the text based on the identified sequences of words in the second secondary language. 10. The method of claim 9 , wherein the first secondary language is one which is established as being used more frequently in documents in the main language than the second secondary language.