ASKA Copyright 2002 NAIST
83.5 86.3 1.1 10.1 ASKA 42.3 52.8 1.6 51.2 88.0 89.9 0.3 26.5 93.7 94.7 4.0 50.5 % % %
RWCP) NEDO
30
ASKA ASKA
ASKA
2001.7
NHK
2001.10
Web JNAS(306) 40kwords PTM JULIUS N- /
JULIUS N-Best / / A A
JULIUS JULIAN 2001. 2002. 2001. 2002.
PC DAT (2002.2)
e-mail Q-A 1.1 9.8 Mail 9.5 0.25M) WEB Web 26.8 0.59M)
% % Q-A 1,107 6.91 95.19 79.23 Mail20,000 Web Q-A,Mail20,143 Web 49.82 10.07 97.91 98.93 68.67 83.06 (85.72)
(361) (219) Corr(%) Acc(%) Corr(%) Acc(%) Q-A 89.8 86.1 74.7 68.7 Mail75.1 Web Q-A,Mail90.9 Web 71.1 88.6 69.0 78.6 64.3 74.7 Corr:, Acc:
Word accuracy (%) Mora/second
+Mail+Web Word accuracy (%) Word Perplexity
Word accuracy (%) +Mail+Web Word Perplexity
+Mail+Web Word accuracy (%) Out-Of-Vocabulary(%)
0%
+Mail+Web
N-best=10) a) 29 (31) 32 (33) b) 12 (12) f) 2 (2) c) 14 (14) d) 12 (12) e) 29 (34) 29 (36) g) 52 (59) 40 (45) 3 (4) 0 (0) 0 (0) 0 (0) 7 (7) 4 (2) 11 (7) 1 (1) 47 (49) 0 (0) 0 (0) 3 (0) 8 (3) 1 (0) 1 (0) 2 (0) 11 (6) 11 (4) z)146 (159) 11 (14) 19 (20) 43 (26) ( )
N-gram
( JULIUS + JULIAN GrammarAssisted N- ram 96.3 / 96.0 N-Best 281 103 384 87.6 /86.1 89.5 / 88.3 GA93.7 / 92.6 78.0 / 74.5 56.5 / 52.5 78.5 / 75.0 81.6 / 78.2 84.5 / 82.3 83.3 / 81.8 85.9 / 84.0 89.7 /87.9
( ) 50
30 cm PDA 60 cm 1m PC 500