Abstract: Intelligent tutoring systems (ITSs) that imitate human tutors and aim to provide immediate and customized instructions or feedback to learners have shown their effectiveness in education.

Abstract: Studies have shown that although traditional instruction is effective in developing students’ conceptual understanding, it lacks in strengthening their thinking skills. To enhance ...

Can you chip in? This year we’ve reached an extraordinary milestone: 1 trillion web pages preserved on the Wayback Machine. This makes us the largest public repository of internet history ever ...