Expert Systems with Applications: An International Journal
A Petri net model for changing units of learning in runtime
Knowledge-Based Systems
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With the rapid development of Internet technology and Web-based education, distance learning provides a novel learning style, which is different from traditional education. In order to adapt different teaching strategies in accordance to individual studentsý abilities in a distance learning environment, system directed navigation of students was proposed in a distance learning standard called SCORM (Sharable Content Object Reference Model). We introduce the Distance-learning Color Petri Net (DCPN), applying the features of Petri nets, to decrease the complexity of the sequencing definition model in the SCORM 2004 specification. We thus construct a sequencing framework for various instructional strategies by piecing DPCN subnets together.