Using Edit Distance Algorithms to Compare Alternative Approaches to ITS Authoring.

Shaaron Ainsworth David Clarke Robert J. Gaizauskas Using Edit Distance Algorithms to Compare Alternative Approaches to ITS Authoring. 873-882 2002 conf/its/2002 Intelligent Tutoring Systems http://link.springer.de/link/service/series/0558/bibs/2363/23630873.htm db/conf/its/its2002.html#AinsworthCG02