10.2 Some Terminology Issues
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Resource
A source of supply is called a resource. In general, when we want
to construct a feasible schedule that can be implemented in the real
world each task in the schedule must be associated with some type of
resource.
Span Time
The total elapsed time for a schedule from the start of the earliest task to
the completion of the latest task is known as the span time. The objective
function of the crew schedule is designed to minimize span time.
Supply-and-Demand Model
A model that is constrained by resource availability is, in general terms,
known as a supply-and-demand model. Supply-and-demand models have
long been known as a regular feature in economics (where they are
subject to many forms of dynamic equilibrium analysis). ...