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IEEE/ICACT20220197 Slide.08        [Big Slide]       [YouTube]	Oral Presentation
	In student data log there are case id, activity, and event name attribute. For one activity there are more than one event name. Example quiz have more than one event name like attempt viewed, attempt submitted and course module viewed. That is called redundant. To minimize the redundancy we must choose event name that exactly represent one activity. Choosing process base on the table mapping. Table mapping that contain activity attribute, exactly one sub activity attribute that represent the activity and the description attribute. Example : quiz represent by attempt submitted. This process make one quiz activity to one ¡°event_name¡± that is ¡°attempt_submitted¡±.

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