15. A computer-readable storage medium according to claim 14 , wherein the fifth program code portion being configured to generate a dictionary further includes being configured to apply a filter to the dictionary.
14. A computer-readable storage medium according to claim 10 further comprising: a fifth program code portion configured to generate a dictionary associated with the first query result decision diagram, the dictionary including one or more decoding keys for decoding data in the first query result decision diagram; and a sixth program code portion configured to cause transmission of the dictionary based upon the relationship between the compression ratio and threshold ratio.