| W03-0200 | group compares speech-based to | text-based tutoring systems | . Finally , a method for automatically |
| N04-3002 | system that uses the Why2-Atlas | text-based tutoring system | as its " back-end " . A student |
| P04-1045 | Why2-Atlas conceptual physics | text-based tutoring system | ( VanLehn et al. , 2002 ) . In |
