The interoperability of educational systems, encouraged by the development of specifications, standards and tools related to the Semantic Web is limited to the exchange of information in domain and student models. High system interoperability requires that a common framework be defined that represents the functional essence of educational systems. To address this need, we developed a generic mo...

Students interacting with educational software generate data on their use of software assistance and on the correctness of their answers. This data comes in the form of a time series, with each interaction as a separate data point. This data poses a number of unique issues. In educational research, results should be interpretable by domain experts, which strongly biases learning towards simpler...