A. Comparision of Compression Results

Compression result of `START' file in a certain English-Japanese and Japanese-English dictionary (EBXA):

compression level	file size	ratio
(original)	154476544 bytes	100.0%
level 0	54922039 bytes	35.6%
level 1	49615791 bytes	32.1%
level 2	45983464 bytes	29.8%
level 3	43431397 bytes	28.1%
(reference: gzip -6)	38712247 bytes	25.0%

Compression result of `START' file in a certain English dictionary (EBG):

compression level	file size	ratio
(original)	55511040 bytes	100.0%
level 0	25866491 bytes	46.6%
level 1	24419066 bytes	44.0%
level 2	23453212 bytes	42.2%
level 3	22748840 bytes	41.0%
(reference: gzip -6)	20930009 bytes	37.7%

Compression result of `HONMON' file in a certain Japanese dictionary (EPWING V1):

compression level	file size	ratio
(original)	23642112 bytes	100.0%
level 0	9927048 bytes	42.0%
level 1	9213184 bytes	39.0%
level 2	8767603 bytes	37.1%
level 3	8495563 bytes	35.9%
(reference: gzip -6)	8114658 bytes	34.3%

Compression result of `HONMON2' file in a certain Japanese dictionary (EPWING V5):

compression level	file size	ratio
(uncompressed)	220069888 bytes	100.0%
(original)	149139690 bytes	67.8%
level 0	82973263 bytes	37.7%
level 1	78163751 bytes	35.5%

Compression result of the `START' file in a certain encyclopedia (S-EBXA):

compression level	file size	ratio
(uncompressed)	225140735 bytes	100.0%
(original)	176467968 bytes	78.4%
level 0	146045331 bytes	64.9%
level 1	138137218 bytes	61.4%