know more about ~ESS~ !!

hey you alls!!

you know what??

come, we want to say something,

for us

chapter 11 is 

very difficult

very complicated

but.. 

we will try the best

to give you

more information

AND NOW..

^.^

what is ESS??

executive support systems

~

~

means

~

software system

under control of one of many decision-makers

provide and organised

set of tools

1. impart structure 

to portions decision making situation

2. improve

ultimate effectiveness

of the decision outcome

~

+.+

user

~

1. top executives

2. policy-makers

~

+.+

for what??

~

get

permanent

and

updated assessment

information and knowledge

===================================================================

Supporting decision-making processes

Rational decisions by "computers"	Emotional decision-makers ("people")
Start with the data: Almost free from prejudicies.	Start with a provisory solution to be validated and modified
Rational formulation	Adaptative behaviour
Large volums of information	Limited access to information
Inductive in-depth analysis	Intuitive-deductive search for "patterns"
Specialised: Sectorial analysis	Global: Multisectorial synthesis
Large volums of calculations, slow conclusions	Rapid expression of personal perceptions
Optimisation strategy from all possible solutions	Satisfying strategy based on "acceptable" possibilitie

Advantages: 

• Filters data for management
• Improves to tracking information
• Offers efficiency to decision makers

Disadvantages: 

• Difficult to keep current data
• May lead to less reliable and insecure data
• Small companies may encounter excessive costs for implementation
• Too detailed Oriented

~end~