decision making lecture two

decision making lecture two

1. DECISION MAKING. Must be effective. Must be efficient. Have an ability to implement.

2. THE COMPLEXITY Volume of data, Uncertainty, Velocity of data Remote, Inputs, Variety of data, No. of alternatives, Time pressure, Opposition, Knock on impacts Dynamic

3. PROBLEM STATEMENT Get from cairnes to motorway solution: experience/ intuition/ observation or : Google Maps tells you all you need

4. FRAMEWORK TWO. Mintzberg 1971 lament Developing an understatement of: The managers work, The managers information, There was no framework

5. GORY AND SCOTT MORTON. Came up with a framework that showed how to make a decision for managers

6. THE HIERARCHY OF IS. Bottom level TPS Middle level, DSS .Top level EIS

7. SABRE: TPS Allowed operatives to be far more efficient, reduced time etc. capable of managing transactions in real time. created their own internet. worlds largest network

   • TPS functions, Reports :structured and periodic. No interactive support to assist managers with decision making

8. OLAP: real time processing of data. Data to be manipulated into views OLAP is the key feature required to build a DSS. Manipulation of info allowing reports that are multi dimensional, ad-hoc,timely rapid execution

9. GUI: Command line interface Graphical Interface. Combined with more advance, OLAP gave the technical features necessary from EIS

10. EIS FEATURES: specialized DSS, GUI Interface, Internal, External, Drill Down, Slice and Dice