The increase in usage of online learning systems, has caused a renewed interest in using computers to provide more support to the student's learning experiences, allow instructors to focus on activities that require human ...

Automatic scoring and feedback tools have become critical components of online learning proliferation. These tools range from multiple-choice questions to grading essays using machine learning (ML). Learning environments ...

When grading open-ended engineering exam responses, it is assessed to what extent its content and quality suit the requirements and accomplish the objectives of the test. This is a time consuming and subjective task. The ...

This paper addresses the problem of automatically customizing the sending of notifications in a nondisturbing way, that is, by using only implicit-feedback. Then, we build a hybrid filter that combines text mining content ...

This work summarizes some results about static state feedback linearization for time-varying systems. Three different necessary and sufficient conditions are stated in this paper. The first condition is the one by [Sluis, ...