7. The system, process and method of claim 2 , wherein the closed list of main character strings comprises a list of stopwords and for at least one natural language, the stopwords are pre-defined.
7. The system, process and method of claim 2 , wherein the closed list of main character strings comprises a list of stopwords and for at least one natural language, the stopwords are pre-defined. 8. The system, process and method of claim 7 , wherein, for at least one natural language, the words within a reference corpus for the natural language are ranked by the vocabulary of collocations, and the list of stopwords comprises the highest ranked words constituting a pre-defined fraction (by volume) of the combined word frequency.