n-Gram-Based Text Compression

Table 8

Compression ratio of three experience cases.

Number	OFS	CFS-C1	CR-C1	CFS-C2	CR-C2	CFS-C3	CR-C3
1	1,166	210	81.99%	166	85.76%	136	88.34%
2	2,240	362	83.84%	274	87.77%	222	90.09%
3	6,628	1,245	81.22%	999	84.93%	887	86.62%
4	12,224	1,954	84.02%	1,503	87.70%	1,179	90.36%
5	22,692	3,565	84.29%	2,652	88.31%	2,180	90.39%
6	49,428	7,638	84.55%	5,712	88.44%	4,538	90.82%
7	96,994	15,636	83.88%	12,359	87.26%	10,416	89.26%
8	156,516	24,974	84.04%	19,188	87.74%	15,889	89.85%
9	269,000	43,887	83.69%	34,182	87.29%	28,937	89.24%
10	489,530	80,685	83.52%	63,472	87.03%	54,117	88.95%