Detecção e Avaliação de Cola em Provas Escolares Utilizando Mineração de Texto: um Estudo de Caso.
Elmano Ramalho CavalcantiElmano Pontes CavalcantiCarlos Eduardo S. PiresRodrigo Alves CostaCaroline Ramalho CavalcantiPublished in: Revista Brasileira de Informática na Educ. (2011)
Keyphrases
- expectation maximization
- em algorithm
- maximum likelihood
- generative model
- probabilistic model
- bayesian framework
- real time
- database
- multiresolution
- image segmentation
- search engine
- mixture model
- expectation maximisation
- similarity measure
- artificial neural networks
- database systems
- decision trees
- databases
- unsupervised learning
- gaussian mixture model
- density estimation
- gradient ascent
- gradient projection