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Today it is commonly used for teaching students the basics of database structure. Some ER models show super and subtype entities connected by generalization-specialization relationships, [4] and an ER model can also be used to specify domain-specific ontologies.
Peter Pin-Shan Chen (Chinese: 陳品山; born 3 January 1947) is a Taiwanese-American computer scientist and applied mathematician.He is a retired distinguished career scientist and faculty member at Carnegie Mellon University and Distinguished Chair Professor Emeritus at Louisiana State University.
The Domain model; The Student model; The Tutoring model, and; The User interface model; The domain model (also known as the cognitive model or expert knowledge model) is built on a theory of learning, such as the ACT-R theory which tries to take into account all the possible steps required to solve a problem. More specifically, this model ...
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In systems analysis, a one-to-many relationship is a type of cardinality that refers to the relationship between two entities (see also entity–relationship model). For example, take a car and an owner of the car. The car can only be owned by one owner at a time or not owned at all, and an owner could own zero, one, or multiple cars.
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For example, in the case of a student, the instructions the teacher provides help students see what outcome a particular behavior leads to. It is the duty of the teacher to teach a student that when a behavior is successfully learned, the outcomes are meaningful and valuable to the students.
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