17. The new word collection system of claim 10 , wherein the agglutinative language is Chinese.
10. A new word collection system for collecting new words in an agglutinative language for addition to a lexicon, the system comprising: a crawler component retrieving sentences in an agglutinative language from documents; a character string identification component identifying new word candidate character strings in the retrieved sentences the new word candidate character strings having a predetermined range of number of characters; and a statistical filtering component filtering the identified new word candidate character strings using a combination of a plurality of statistical criteria to generate a new words list, the plurality of statistical criteria comprising a frequency criteria, a variance criteria, and a character association criteria, the filtering comprising: calculating the frequency criteria for all of the new word candidate character strings; calculating the variance criteria for only new word candidate character strings that have a frequency criteria greater than a first threshold; calculating the character association criteria for only new word candidate character strings that have a variance criteria greater than a second threshold; and adding a new word candidate character string to the new words list when the character association criteria is greater than a third threshold.