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Development of DENKEN Method FPA Version 2.0
and Improvement of Quality Characteristics Trees
— Improvement of Measurement Accuracy
and Expansion of Measurable Domains —
by Mitsuhiro Takahashi and Jun Hishitani
Abstract
In this report, we describe revision of DENKEN method FPA (Function Point Anal
ysis) and revision of quality characteristics trees.
DENKEN method FPA is the first step of ‘Stepwise Measurement of Information
System Size(SMISS)’ framework, in which we measure size of information systems by
three steps, namely, Functional Size(FS,) Value-added Size(VS,) and Production Size(PS.)
Quality characteristics trees are used to define quality assessment checklist, and the check
list is used to measure VS.
DENKEN method FPA was initially proposed in 1989 to measure FS of mainframe
centered Office Information Systems, and we now propose the new version 2.0. The main
purpose of revision is to measure recent Client/Server Systems efficiently and correctly.
Version 2.0 also improved the rules for defining ‘measurement boundary,’ and we defined
detailed instructions and rules for ‘enumeration of functional components.’
About the quality characteristics trees, we revised quality characteristics trees for users
and for developers. Additionaly, we developed two one-way mapping tables between both
trees while previous version had one two-way table.
(Communication & Information Research Laboratory, Rep. No.R96005)
(^9^3^310 *1?.)
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*4-1Table 4-1 Revised Quality Characteristics
Tree for Users
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*4-4
Table 4-4 Major Quality Characteristics Mapping Table for ‘Developer User’
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-19-
Table 4-5fc 4-5 2
Minor Quality Characteristics Mapping Table for ‘User Developer’
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[1] A. J. Albrecht: Measuring Application
Development Productivity, In Proceedings of
the Joint SHARE, GUIDE, and IBM Appli
cation Development Symposium, pp.83-92
(1979^ 10 £|).
[2] V. R. Basili and H. D. Rombach: The TAME
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pp.758-773 (1988 ^ 6 ^).
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[4] IFPUG: Function Point Counting Practices
Manual, Release 4.0, International Function
Point Users Group (1994
[5] ISO/IEC: International Standard:
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uct evaluation — Quality characteristics and
guidelines for their use, IS 9126, ISO/IEC
(1988^).
[6] ISO/IEC: Draft International Standard:
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surement — Functional size measurement —
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1.2, ISO/IEC (1997 ^F).
[7] C. Jones (H® KIR): H 2 $:
, pp.49-132,
Pp (1993^).
[8] rv7 b 7 *9
#J , 63^-099 (1989^).
[9] fHt 7lC—: f It# t ') 7 7 A A
©JflPUfr < V 7 t FP L
tz 3D FPJ , H ^ U ^ bu=-7 7, no.658
(1996.3.25 -54), pp.175-185 (1996 ^ 3 ^).
[10] ffiLUZS: TV7
ifidtlLttJ , vol.35, no.4, pp.289-
298, If (1994 ^ 4 ).
[11] ffiiij m-.vol.96, no.71 (96-SE-110),
pp.331-38, ft1996 ^ 7 J?.
[12] IfT-[G/Q/M paradigm <D4kigU jo
^ 16 07 7
> ^Ts'J 7 7 7 h 7 x. 7 7 t'J77
0F5E# (1996^2 ^).
[13] ®1g ?¥:
• nmsjj^robj,
fipjf Y92504 (1993 ^ 3 /!).
[14] iY: f'lf tS'> X 7 A
b m^fiiF){S7 r 7 7 7 3 7
7 h few ran —j,
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[15] Stf Jfcfr, S: [77 b7j:7^mi)^
bu~7 7, no.625 (1995.1.2^-), pp.91-101
(1995 ^1 ^).
[16] SIS ??C r^tb t on® <
•|f#'7X7AfFffi<T)#|a<AJ
Fif ®F2Efg^: R95022 (1995 ^).
[17] Slf ?¥: (77 77'7 3 7^4 7
tRiW^Pir R96004 (1996 ^).
[18] ft tit W-: FPA Ver
sion 2.0
0F^Fir(1997^3^).
[19] S. A. Whitmire: An Introduction to
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(1995 4? 4/3).
-22-
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-23-
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-24-
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-27-
