Building an economically sustainable online learning ecosystem with freemium model: A sequential mixed-method approach.
Yujie ZhouGe CaoXiao-Liang ShenPublished in: Educ. Inf. Technol. (2024)
Keyphrases
- cost function
- online learning
- test data
- objective function
- statistical model
- modeling method
- probabilistic model
- mathematical model
- study proposes
- sensitivity analysis
- prior knowledge
- hybrid method
- theoretical analysis
- evaluation method
- high order
- detection method
- em algorithm
- markov model
- management system
- regression analysis
- computational model
- recognition algorithm
- classification method
- parameter estimation
- prediction model
- dynamic programming
- network model
- parameter space
- prior information
- optimization model
- linear model
- significant improvement
- classification algorithm
- hybrid model
- analytical model
- bp neural network
- optimization method
- clustering method
- input data
- high accuracy
- similarity measure
- gaussian distribution
- segmentation method
- feature space
- evaluation model
- preprocessing
- machine learning