Utterance Classification in Auto Tutor
Abstract
This paper describes classification of typed student utterances within AutoTutor, an intelligent tutoring system. Utterances are classified to one of 18 categories including 16 question categories. The classifier presented uses part of speech tagging, cascaded finite state transducers, and simple disambiguation rules. Shallow NLP is well suited to the task: session log file analysis reveals significant classification of eleven question categories, frozen expressions, and assertions.
Document Details
- Document Type
- Technical Report
- Publication Date
- Jan 01, 2003
- Accession Number
- ADA460937
Entities
People
- Andrew Olney
- Arthur Graesser
- Eric Matthews
- Heather Hite-mitchell
- Johanna Marineau
- Max Louwerse
Organizations
- University of Memphis