DEFINITE a DEcision support system for a FINITE set of alternatives
description
Transcript of DEFINITE a DEcision support system for a FINITE set of alternatives
![Page 1: DEFINITE a DEcision support system for a FINITE set of alternatives](https://reader036.fdocuments.net/reader036/viewer/2022062501/56815d36550346895dcb35d3/html5/thumbnails/1.jpg)
1
DEFINITEa DEcision support system for a FINITE set of alternatives
Marjan van Herwijnen Institute for Environmental Studies
Vrije Universiteit - Amsterdam
June 14, 2006
![Page 2: DEFINITE a DEcision support system for a FINITE set of alternatives](https://reader036.fdocuments.net/reader036/viewer/2022062501/56815d36550346895dcb35d3/html5/thumbnails/2.jpg)
2
Outline
• The DSS DEFINITE• Highway 73-South• A journey to Paris • Conclusions
![Page 3: DEFINITE a DEcision support system for a FINITE set of alternatives](https://reader036.fdocuments.net/reader036/viewer/2022062501/56815d36550346895dcb35d3/html5/thumbnails/3.jpg)
3
What type of problems does DEFINITE support?
• DEcisions on a FINITE set of alternatives• Decisions with multiple objectives • This type of problems are common in almost every
private or public decision context:– Choosing the means of transport to the office;– Selecting the best candidate for a job vacancy;– Constructing a new airport; and of course …– Selecting the best alternative to solve the problem
in the Vecht area.
![Page 4: DEFINITE a DEcision support system for a FINITE set of alternatives](https://reader036.fdocuments.net/reader036/viewer/2022062501/56815d36550346895dcb35d3/html5/thumbnails/4.jpg)
4
What does DEFINITE support?
Problemdefinition
Standardization
Weights
Ranking
Sensitivity analysis
Presentation
![Page 5: DEFINITE a DEcision support system for a FINITE set of alternatives](https://reader036.fdocuments.net/reader036/viewer/2022062501/56815d36550346895dcb35d3/html5/thumbnails/5.jpg)
5
![Page 6: DEFINITE a DEcision support system for a FINITE set of alternatives](https://reader036.fdocuments.net/reader036/viewer/2022062501/56815d36550346895dcb35d3/html5/thumbnails/6.jpg)
6
What does DEFINITE support?
• From problem definition to report generation• This structure fits with the general decision
process;• The structured approach ensures that the
decisions arrived at are systematic and consistent;• Five case studies are included each showing a
specific topic of the system.
![Page 7: DEFINITE a DEcision support system for a FINITE set of alternatives](https://reader036.fdocuments.net/reader036/viewer/2022062501/56815d36550346895dcb35d3/html5/thumbnails/7.jpg)
7
What types of methods are incorporated in DEFINITE?
• Toolbox of methods:– Graphical methods to support representation,– Methods for weight assessment, – Multi-criteria methods,– Cost-benefit analysis,– Graphical evaluation methods,– Methods for sensitivity analysis on the results of
MCA and CBA.
![Page 8: DEFINITE a DEcision support system for a FINITE set of alternatives](https://reader036.fdocuments.net/reader036/viewer/2022062501/56815d36550346895dcb35d3/html5/thumbnails/8.jpg)
8
History of DEFINITE (1)
• Commissioned by the Ministry of Finance;• The first version, DEFINITE for MSDOS, appeared
in 1994;• A wide range of users:
– ministries, provinces, public bodies and a number of larger cities;
– consultancy and engineering firms;– universities and other schools of higher education
for teaching purposes.
![Page 9: DEFINITE a DEcision support system for a FINITE set of alternatives](https://reader036.fdocuments.net/reader036/viewer/2022062501/56815d36550346895dcb35d3/html5/thumbnails/9.jpg)
9
History of DEFINITE (2)
• The second edition, DEFINITE for Windows, appeared in 2001;
• Experiences of all previous users are included;• Better graphics are included;• New developments from the MCA field are
included;• Standard Windows structures are used.
![Page 10: DEFINITE a DEcision support system for a FINITE set of alternatives](https://reader036.fdocuments.net/reader036/viewer/2022062501/56815d36550346895dcb35d3/html5/thumbnails/10.jpg)
10
Highway 73-south
• Problem: An area has problems with its living environment, accessibility and economic growth.
• Question: What is the best way to solve these problems?
![Page 11: DEFINITE a DEcision support system for a FINITE set of alternatives](https://reader036.fdocuments.net/reader036/viewer/2022062501/56815d36550346895dcb35d3/html5/thumbnails/11.jpg)
11
![Page 12: DEFINITE a DEcision support system for a FINITE set of alternatives](https://reader036.fdocuments.net/reader036/viewer/2022062501/56815d36550346895dcb35d3/html5/thumbnails/12.jpg)
12
![Page 13: DEFINITE a DEcision support system for a FINITE set of alternatives](https://reader036.fdocuments.net/reader036/viewer/2022062501/56815d36550346895dcb35d3/html5/thumbnails/13.jpg)
13
![Page 14: DEFINITE a DEcision support system for a FINITE set of alternatives](https://reader036.fdocuments.net/reader036/viewer/2022062501/56815d36550346895dcb35d3/html5/thumbnails/14.jpg)
14
Highway 73-south: Presentation of results
• Criteria tree;• Relative contribution of the criterion groups;• Ranking according to various perspectives;
![Page 15: DEFINITE a DEcision support system for a FINITE set of alternatives](https://reader036.fdocuments.net/reader036/viewer/2022062501/56815d36550346895dcb35d3/html5/thumbnails/15.jpg)
15
Demo DEFINITE
![Page 16: DEFINITE a DEcision support system for a FINITE set of alternatives](https://reader036.fdocuments.net/reader036/viewer/2022062501/56815d36550346895dcb35d3/html5/thumbnails/16.jpg)
16
A journey to Paris
• ‘Problem’: A couple wants to celebrate its 1st anniversary in Paris
• Question: What is the best way to travel?
![Page 17: DEFINITE a DEcision support system for a FINITE set of alternatives](https://reader036.fdocuments.net/reader036/viewer/2022062501/56815d36550346895dcb35d3/html5/thumbnails/17.jpg)
17
![Page 18: DEFINITE a DEcision support system for a FINITE set of alternatives](https://reader036.fdocuments.net/reader036/viewer/2022062501/56815d36550346895dcb35d3/html5/thumbnails/18.jpg)
18
A journey to Paris: From problem definition to report generation
• Problem definition• Multi-criteria analysis• Sensitivity analysis
![Page 19: DEFINITE a DEcision support system for a FINITE set of alternatives](https://reader036.fdocuments.net/reader036/viewer/2022062501/56815d36550346895dcb35d3/html5/thumbnails/19.jpg)
19
Conclusions
• MCA makes the decision process more transparent;
• MCA makes the information better manageable;• Definite is more than just one MCA technique;• Definite is a large program with many options;• The simple step menus and the structured
approach prevent users from getting lost.