3.5 DSS Components
1. Data Management Subsystem
2. Model Management Subsystem 3. Knowledge Management
Subsystem 4. User Interface Subsystem
5. The User
Figure 3.2
Decision Support Systems and Intelligent Systems, Efraim Turban and Jay E. Aronson Copyright 1998, Prentice Hall, Upper Saddle River, NJ
Subsystem
DSS database
Database management system
Data directory
Query facility Figure 3.3
Decision Support Systems and Intelligent Systems, Efraim Turban and Jay E. Aronson Copyright 1998, Prentice Hall, Upper Saddle River, NJ
D S
S In
F o
c u
s 3
. 2
: T
h e
C a
p a
b ilit
ie s
o f
D B
M S
in a
D S
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C
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a t
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it s
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Decision Support Systems and Intelligent Systems, Efraim Turban and Jay E. Aronson Copyright 1998, Prentice Hall, Upper Saddle River, NJ
DSS Database Issues
Data warehouse
Special independent DSS databases
Extraction of data from internal, external and private sources
Web browser access of data
Multimedia databases
Object-oriented databases
Commercial database management systems DBMS
Decision Support Systems and Intelligent Systems, Efraim Turban and Jay E. Aronson Copyright 1998, Prentice Hall, Upper Saddle River, NJ
Subsystem
Mirrors the database management subsystem
Figure 3.4
Model Management Issues
Model level: Strategic, managerial tactical and operational
Modeling languages
Lack of standard MBMS activities. WHY?
Use of AI and Fuzzy logic in MBMS
Decision Support Systems and Intelligent Systems, Efraim Turban and Jay E. Aronson Copyright 1998, Prentice Hall, Upper Saddle River, NJ
DSS In Focus 3 .3: M
ajor Functions Capabilitie s of the
M BM
S
Cre ate
s m ode
ls e asily and quickly, e
ithe r from
scratch or from e
xisting m
o de
ls or fro m
the building
blocks.
Allo w
s use rs to
m anipulate
the m
o de
ls so the y can conduct
e xpe
rim e
nts and se nsitivity analyse
s rang ing
fro m
“w hat-if” to
g o
al se
e king
.
Store s, re
trie ve
s, and m anag