agile mcda modelling - lamsade.dauphine.frprojet_cost/algorithmic... · agile mcda modelling xmcda...
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Agile MCDA ModellingXMCDA meets D4
R. Bisdorff & M. Zamfiroiu
Manchester, April 15, 2011Cost Action IC0206 Algorithmic Decision Theory
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Content
1. The D4 Rubis project
2. Use cases of XMCDA in D4
3. Granularity of the MCDA models
4. UMCDA-ML profiles and stereotypes
5. New horizons for XMCDA development
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1. The D4 Rubis project
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D4 Rubis project
Rubis applications
Application users
User role
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User raymondConnects to
D4
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User selectshis application
Starting the D4Selected
application
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main steps of the decision aid
process8
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a. Edit the set of potential alternatives
Grid fragment
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b. Edit the family of criteria
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c. Edit the performances of the actions on the criteria
Filtered performance
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Declarativedefinition of the tabs
declarative definition of filtering conditions
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View the entire performance table
use D4 Pythonscripting
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d. Tuning the preference discrimination
declarative definition ofthresholds
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e. Computing the bipolar valued outranking digraphe. Computing the bipolar valued outranking digraph
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f. Get Rubis best choice recommendation from theRubis Solver web service
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2. Use cases of XMCDA in D4
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D4
Rubisclass
instances
D4
Rubisclass
instances
XMCDARubis
Problem
jythonjython
a. Interfacing D4 and digraphs class instances
digraphsclass
instances
digraphsclass
instances
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Example: showing the pairwise comparison table
D4 classdefinition
class operation
The class instance has a pointer to an XMCDA encoded instance of a complete
Rubis PerformanceTableau
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D4
class instances
D4
class instances
XMCDARubis
Problem/Solution
RubisWeb
Solver
RubisWeb
Solver
http
Rest
jython
b. Interfacing D4 and the Rubis XMCDA Solver
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D4 python xmlrpcexchange
with the Rubis Solver
D4 classdefinition
class operation
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UMCDAML perspectives
Learning from the D4 experience
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Motivation
• D4 ?
• Power-User design tool for MCDA problems
• No deployment cycle : app online from the begining
• Fast : new class in minutes
• Flexible : refactoring with instant impact to data
• Only enrolling you ?
• Technological war ?
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Motivation
…
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DesktopApp (d2)
WinApp (IRIS)
DesktopApp/Sv (Diviz)
WebApp (d3)WebAppFactory (d4)
WinApp (Excel)
U ML
High stakes : raise abstraction
Technology vs methodology
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Modeling MCDA problems with UML
..
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Use Cases
Actor
Multi platform, multi language …
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…
29Workflow (activity diagram)
Universal visual value
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…
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Customized entities (class diagram)
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Object’s lifecycle : workflow regulator
…
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StateMachine
Can be reflectedin the GUI
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3. Granularity of the MCDA models
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UML granularity concepts
• Model
• Static : package*, class*, component*
• Dynamic : usecase, activity*, state*, operation*
• Metamodel solution
• (*) : Composite design pattern
• XMI : XML Model Interachange
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© KarmicSoft 2oo6-2oo8
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…
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3. UMCDA-ML profiles and stereotypes
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UML Profile
• Profile
• provides a generic extension mechanism for customizing UML models for particular domains and platforms.
• define new concepts (meta) called << stereotypes >>more than types, less than metatypes
• model remain compliant with the standard
• finally, the standard can evolve and integrate the stereotype as an official new concept
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3. New horizons
for XMCDA ?
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XMCDA
• UML-like profiles and stereotypes
• Needs a tool for diagrams and generation
• <<problem>>, <<package>>,
• <<phase>>, <<workflow>>
• Types aggregates : java-like generics
• Using Spring parsing features
• Set<Alternative>, List<Evaluator> …
• Matrix<Alternative, Evaluator, Critera> …38
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Vision
…
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DesktopApp (d2)
WinApp (IRIS)
DesktopApp/Sv (Diviz)
WebApp (d3)WebAppFactory (d4)
WinApp (Excel)
U ML
Methdological power
Technological freedom
Strong methodological concepts +
Rich exhange mechanisms
(xMCDA + WebServices)=> Technological diversity
becomes an asset
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Q&A
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