From: Context-dependent factored language models
Vocabulary size
WER [%]
Good-Turing
Knesser-Ney
Bigram
Trigram
60K
33.89
30.73
33.84
30.95
100K
31.27
28.08
31.24
28.36
200K
29.70
26.27
29.78
26.53
300K
29.22
25.64
29.28
25.87