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120 Chapter 4 Design for collaboration and communication

that allows students to attend the lectures and seminars for their given courses, tak-
ing into account numerous rules and constraints. These include:

A student cannot attend more than one lecture at a given time.
A professor cannot give more than one lecture or seminar at a given time.
A room cannot be allocated to more than one seminar or lecture at a given
time.
Only a certain number of students can be placed in a room, depending on its
size.