| W03-0210 | threshold of .53 as is used in the | AUTO-TUTOR | system ( Wiemer-Hastings et al. |
| W03-0210 | in spirit to that taken in the | AUTO-TUTOR | system ( Wiemer - Hastings et |
| W04-2803 | tutorial dialogue systems such as | AUTO-TUTOR | ( Wiemer-Hastings et al. , 1998 |
| N03-2030 | tutorial dialogue systems such as | AUTO-TUTOR | ( Wiemer-Hastings et al. , 1998 |
