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Subject:Use Cases - What good are they? From:Tony Markos <ajmarkos -at- yahoo -dot- com> To:"TECHWR-L" <techwr-l -at- lists -dot- techwr-l -dot- com> Date:Tue, 18 Jan 2005 17:44:05 -0800 (PST)
--- David Neeley:
...if you [the TW] have acquired such a detailed
knowledge [by in depth familiarity with the
business]it may not be necessary for *any* kind of
model to be used.
Tony Markos:
I respectfully but strongly disagree, as would many a
requirements engineering guru. The human mind has
real limits on how much it can comprehend without the
aid of models - irregardless of experience. A person
may have 20 years experience in domain X; but without
the aid of modeling, his knowledge is going to be very
disjointed.
David Neely:
> Frankly, your injection of data flow diagramming
> into so many contexts
> seems rather forced. I do hope you are not a sort of
> "one trick pony"
> on the subject...
Tony Markos:
Proper partitioning (more commonly referred to as
"chunking" in the TW community)is the essence of good
task/functional analysis. Data Flow Diagrams result
in a logical, natural partitioning of a system. All
other functional analysis techniques - including use
cases - result in an artificial, forced partitioning.
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