An Algorithm for Automatic Difficulty Level Estimation of Multimedia Mathematical Test Items.
Irene ChengRui ShenAnup BasuPublished in: ICALT (2008)
Keyphrases
- estimation algorithm
- np hard
- multimedia
- computational complexity
- learning algorithm
- preprocessing
- experimental evaluation
- cost function
- detection algorithm
- times faster
- improved algorithm
- dynamic programming
- k means
- search space
- optimal solution
- significant improvement
- optimization algorithm
- linear programming
- estimation accuracy
- theoretical analysis
- computationally efficient
- expectation maximization
- particle swarm optimization
- input data
- objective function
- high accuracy
- worst case
- kalman filter
- probabilistic model
- recognition algorithm
- computational cost
- data sets