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Experiments on adaptive surveys using credal and bayesian networks with our CREMA library.

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CREMA - Adaptive experiments

Description

An application of the the CREMA Library.

Authors

Giorgia Adorni - GiorgiaAuroraAdorni - [email protected]
Alessandro Antonucci - alessandroantonucci - [email protected]
Claudio Bonesana - cbonesana - [email protected]
Francesca Mangili - mangilif - [email protected]

Usage

In the file AdaptiveTests is contained the code to make inference using the CREMA libray.

In the files BNsAdaptiveSurveyTest and CNsAdaptiveSurveyTest are contained examples of usage of the library: a survey test for a single student is created, each students will have its lists of questions, its personal test, and its answer sheet. At the end the skills of the students are returned. The survey is performed using a Bayesian network, in the first case, while a Credal one, in the second.

The files BNsAdaptiveSurveySimulation and CNsAdaptiveSurveySimulation perform a simulation of a case study in order to measure the performance of the model. In fact, the only difference from the two previous "Tests" is that the answers to the questions are sampled using the probabilities of answering correctly or not to a given question. The student's real answers are used only as final validation.

Contributing

Pull requests are welcome. For major changes, please open an issue first to discuss what you would like to change.