Metrics. Dr. Johnny Snyder. Outline - Metrics. Historical Overview of Metrics Time as a Metric The FS Metric An Example Other Metrics in Computer Information Systems Conclusion. A Motto -. “What is not measurable make measurable.” Galileo Galilei (1564 – 1642). The 1950’s.
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Metrics
Dr. Johnny Snyder
Galileo Galilei
(1564 – 1642)
(Howe, 2004; Zakon, 2004)
(Zakon, 2004; Howe, 2004)
(Zakon, 2004; Howe, 2004)
(Zakon, 2004; Howe, 2004)
(Baase, 2003)
for humans.
for cats.
for computers.
because it is moving
fast…
“When you can measure what you are speaking about, and express it in numbers, you know something about it…”
(Burton, 2003)
purpose of a search engine?
Pluses
Order*
Calm*
Open*
Passive Colors*
Home Page
No Pop-Ups
Fast Loading
No Horizontal Scrolling
Minuses
Chaos*
Busy*
Cluttered*
Active Colors*
Splash Page
Pop-Ups
Slow Loading
Horizontal Scrolling
* = Subject to individual interpretation
0
50
100
Alta Vista
Dogpile
Netscape
Yahoo
Excite
Hogsearch
Lycos
Qualitative Measure
Quantitative Measure
Level 0 DFD
The System!
Data/Axioms
Results/Theorems