DSS In Focus 4.1: Sources of External Data--A Sam pler
M a
n y s
o u
rce s
o f p
u b
lic d a
ta e
xis t, s
o m
e o
f w h
ich a
re a
va ila
b le
o n
th e
In te
rn e
t. Co m
m o
n d
a ta
s o
u rce
s a
re :
Fe d
e ra
l P u
b lica
tio n
s
Surv e
y of Curre
nt Busine ss
D e
p a
rtm e
n t o
f Co m
m e
rce co
n tin
u e
s Bu
s in
e s
s Co
n d
itio n
s D
ig e
s t in
s h
o rt fo
rm --m
o n
th ly, g
e n
e ra
l b u
s in
e s
s co
n d
itio n
s
M onthly
Lab or Re
v ie
w
D e
p a
rtm e
n t o
f La b
o r--m
o n
th ly e
m p
lo ym
e n
t s ta
tis tics
a jo
u rn
a l w
ith a
rticle s
Em p
lo ym
e nt and
Earning s
D e
p a
rtm e
n t o
f La b
o r--m
o n
th ly, m
o re
d e
ta ile
d th
a n
M o
n th
ly La b
o r
Re v
ie w
O th
e r
Inte rnatio
nal M one
tary Fund
--re p
o rt o
f b a
la n
ce o
f p a
ym e
n ts
, in clu
d in
g cu
rre n
cy ra te
s , fo
r p
a rticip
a tin
g co
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trie s
M ood
y s
--a s
e rie
s o
f m a
n u
a ls
in clu
d in
g a
b s
tra cte
d in
fo rm
a tio
n a
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b a
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ce s
h e
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o s
t la rg
e U
.S . co
rp o
ra tio
n s
, in te
n d
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fo r in
v e
s to
rs
Stand ard
Poo rs
--p e
rio d
ica lly u
p d
a te
d re
p o
rt o f fi
n a
n cia
l s ta
b ility o
f m o
s t U
.S . co
rp o
ra tio
n s
Ad ve
rtising Ag
e
--m a
rke tin
g n
e w
s p
a p
e r, w
ith a
g re
a t d
e a
l o f d
a ta
o n
m a
rke tin
g
Annual Ed itor
Pub lishe
r M arke
t Guid e
--a n
n u
a l re
p o
rt o f m
a rke
tin g
in fo
rm a
tio n
b y S
M S
A s
ta n
d a
rd m
e tro
p o
lita n
s ta
tis tica
l a re
a
Decision Support Systems and Intelligent Systems, Efraim Turban and Jay E. Aronson Copyright 1998, Prentice Hall, Upper Saddle River, NJ
D S
S In Focus 4.1 C
ontd
In d
e x
e s
B u
s in
e s
s In
fo rm
a tio
n S
o u
rc e
s .
1 9
8 5
. R e
v . e
d ., L. M
. D a
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lls e
d ..
U n
iv e
rs ity
o f C
a lifo
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. C a
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a tio
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b y
fu n
c tio
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l a
re a
o f b
u s
in e
s s
En c
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lo p
e d
ia o
f B u
s in
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s In
fo rm
a tio
n S
o u
rc e
s .
U p
d a
te d
a n
n u
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. G a
le R
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, In c
. B ib
lio g
ra p
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g u
id e
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a b
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t 1 ,0
b u
s in
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u b
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ts ,
in c
lu d
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d a
ta b
a s
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En c
y c
lo p
e d
ia o
f In fo
rm a
tio n
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s te
m s
a n
d S
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d a
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a n
n u
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a le
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s e
a rc
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c . D
e s
c rip
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to d
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e le
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T h
e C
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d a
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a n
n u
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P L P
u b
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in g
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e x
o f
C D
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M d
a ta
b a
s e
s
S o
u rc
e
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d C
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. 1 1
9 . U
s e
d w
ith p
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is s
io n
.
Decision Support Systems and Intelligent Systems, Efraim Turban and Jay E. Aronson Copyright 1998, Prentice Hall, Upper Saddle River, NJ
CompuServe and The Source. Personal computer networks providing statistical data banks business and financial market statistics as well as bibliographic data banks news, reference,
library, and electronic encyclopedias. CompuServe is the largest supplier of such services to personal computer users.
Compustat. Provides financial statistics about more than 12,000 corporations. Data Resources, Inc. offers statistical data banks in agriculture, banking, commodities,
demographics, economics, energy, finance, insurance, international business, and the steel and transportation industries. DRI economists maintain a number of these data banks.
Standard Poors is also a source. It offers services under the U.S. Central Data Bank.
Dow J ones Information Service. Provides statistical data banks on stock market and other financial markets and activities, and in-depth financial statistics on all corporations listed on the
New York and American stock exchanges, plus 800 other selected companies. Its Dow J ones NewsRetrieval system provides bibliographic data banks on business, financial, and general
news from The
Wall Street J ournal
,
Barrons
, the Dow J ones News Service,
Wall Street Week
, and the 21-volume
American Academic Encyclopedia
.
Interactive Data Corporation. A statistical data bank distributor covering agriculture, automobiles, banking, commodities, demographics, economics, energy, finance, international
business, and insurance. Its main suppliers are Chase Econometric Associates, Standard Poors, and Value Line.
Lockheed Information Systems. The largest bibliographic distributor. Its DIALOG system offers extracts and summaries of more than 150 different data banks in agriculture, business,
economics, education, energy, engineering, environment, foundations, general new publications, government, international business, patents, pharmaceuticals, science, and
social sciences. It relies on many economic research firms, trade associations, and governmental groups for data.
Mead Data Central. This data bank service offers two major bibliographic data banks. Lexis provides legal research information and legal articles. Nexis provides a full-text not abstract
bibliographic database of over 100 newspapers, magazines, and newsletters, news services, government documents, and so on. It includes full text and abstracts from the
New York Times
and the complete 29-volume
Encyclopedia Britannica
. Also provided is the Advertising Marketing Intelligence AMI data bank, and the National Automated Accounting Research
System.
Source
: Based on Standard Poors Compustat Services, Inc., statistics on 6,000 companies’ financial reports.
Decision Support Systems and Intelligent Systems, Efraim Turban and Jay E. Aronson Copyright 1998, Prentice Hall, Upper Saddle River, NJ
Corporate Databases and
Systems
Use
Web Browsers
to
Access vital information by employees and customers
Implement executive information systems
Implement group support systems GSS
Database management systems provide data in HTML
Decision Support Systems and Intelligent Systems, Efraim Turban and Jay E. Aronson Copyright 1998, Prentice Hall, Upper Saddle River, NJ
Systems in DSS
DBMS: Software program for entering or adding information into a database;
updating, deleting, manipulating, storing, and retrieving information
A DBMS combined with a modeling language is a typical system development
pair, used in constructing DSS or MSS
DBMS are designed to handle large amounts of information
Decision Support Systems and Intelligent Systems, Efraim Turban and Jay E. Aronson Copyright 1998, Prentice Hall, Upper Saddle River, NJ
and Structure
Relational Databases
Hierarchical Databases
Network Databases
Object-oriented Databases
Multimedia-based Databases
Decision Support Systems and Intelligent Systems, Efraim Turban and Jay E. Aronson Copyright 1998, Prentice Hall, Upper Saddle River, NJ
4.8 Data Warehousing
