20. The data processing system of claim 5 , wherein: token-value to archive-data-value relationships are recorded during the data tokenization process; the token value range for each of the tokenized data segments is extracted prior to compression; and the relationships and range information are stored in an index file.
20. The data processing system of claim 5 , wherein: token-value to archive-data-value relationships are recorded during the data tokenization process; the token value range for each of the tokenized data segments is extracted prior to compression; and the relationships and range information are stored in an index file. 21. The data processing system of claim 20 , wherein said selecting of a compacted file is based on the range information in the index file.