From: A New Bigram-PLSA Language Model for Speech Recognition
Model | Calculated parameter | Number of model parameters | Time of each EM iteration | Perplexity |
---|---|---|---|---|
bigram |
| Maximum 38002 | — | 198 |
trigram |
| Maximum 38003 | — | 134 |
PLSA |
| 215000 | 0.6 second |
|
Bigram & PLSA (linear interpolation) |
| 14655000 | 0.6 second |
|
Bigram-PLSA (Nie et al.'s) |
| 577620000 | 19 minutes |
|
Bigram-PLSA (proposed) |
| 653600000 | 24 minutes |
|