Intelligent tutor systems

from intelligent learning environment Dillenbourg: learner is 'put' into problem solving situation, for example flight simulator. Does not answer questions about how to pilot, learns to behave like “real” pilot in rich flying context…

• Problem solving situation AND
• one or more agents assisting learner in task and monitoring learning

Brusilovsky 2004, Kay 1997: combination of ITS, and learning environment - allows for student-driven learning (for example through open learner-model).

Wenger 1987: needed for ITS, knowledge

• about domain
• about tutoring
• about student and student model

• production system - how knowledge is represented inside an AI system, forward searching (fact-based) and backward-searching (justify decision). Also links to how we think human cognition might work.