Keyphrases
- path planning
- language model
- personalized learning
- learning experience
- learning objects
- distance learning
- learning activities
- language modeling
- intelligent tutoring systems
- mobile robot
- probabilistic model
- document retrieval
- personalized recommendation
- n gram
- path planning algorithm
- learning styles
- dynamic environments
- retrieval model
- learning resources
- learning environment
- e learning
- query expansion
- information retrieval
- educational institutions
- optimal path
- test collection
- smoothing methods
- query terms
- collaborative environment
- learning processes
- language models for information retrieval
- learning tools
- recommender systems
- learning process
- adaptive hypermedia
- instructional materials
- learning scenarios
- metadata
- information retrieval systems
- online learning
- learning strategies