Currently there is an increasing interest in data mining and educational systems, making educational data mining as a new growing research community. One of the challenges in developing data mining systems is to integrate and coordinate existing data mining applications in a seamless manner so that cost-effective systems can be developed without the need of costly proprietary products. The popularity of distance education has grown rapidly over the last decade in higher education, yet many fundamental teaching-learning issues are still in debate. This paper presents an approach for classifying...