Keyphrases
Electronic Learning
100%
Recommendation System
100%
Machine Learning Based
100%
Machine Learning Algorithms
50%
Machine Learning Techniques
50%
Learning Context
25%
Time Consumption
25%
Specific Information
25%
Knowledge-based Systems
25%
Four Strands
25%
Timing Accuracy
25%
Online Learning Materials
25%
Hybrid System
25%
Data Pooling
25%
Adaptive E-learning Systems
25%
Efficient Recommendation
25%
Remaining Challenges
25%
Current Research Status
25%
Content-based Collaborative Filtering
25%
Learning Output
25%
Dataset Evaluation
25%
Data Scarcity
25%
Personalization Systems
25%
Computer Science
Machine Learning
100%
Learning System
100%
Electronic Learning
100%
Machine Learning Technique
50%
Learning Materials
25%
Knowledge-Based System
25%
Time Consumption
25%
Collaborative Filtering
25%
Personalization System
25%
Learning Algorithm
25%
Chemical Engineering
Learning System
100%
Scalability
33%