20. A method for recognizing and accessing a reference string of tokens in one or more original token strings within a database, as in claim 9, where the second look-up structure is a dynamic data structure that includes structures like a vector, array, and hash table.
20. A method for recognizing and accessing a reference string of tokens in one or more original token strings within a database, as in claim 9, where the second look-up structure is a dynamic data structure that includes structures like a vector, array, and hash table. 21. A method for recognizing and accessing a reference string of tokens in one or more original token strings within a database, as in claim 20, where the second look-up structure is a dynamic hash table.