UTASTAR

Provider:UTAR Version:1.1

Description

-Contact: Boris Leistedt (boris.leistedt@gmail.com)

Computes UTASTAR method and if necessary uses post-optimality analysis among three well-known post-optimality methods

Inputs

method

Description:

Post-optimality method : if required, please choose between “ac” (analytic center), “mv” (mean value, geometric center), and “md” (utamp, delta maximization).

XMCDA related:

-Tag: methodParameters

-Code:

<methodParameters>
        <parameter>
                <value>
        <label>%1</label>
         </value>
        </parameter>
</methodParameters>

GUI information:

-Name: Post-optimality method

-Possible values:

• none : None (none)
• ac : Analytic center (ac)
• mv : Mean value (mv)
• md : Max delta (md)

-Default value: none

---

alternatives

Description:

A list of alternatives. Alternatives can be activated or desactivated via the <active> tag (true or false). By default (no <active> tag), alternatives are considered as active.

XMCDA related:

-Tag: alternatives

-Code:

<alternatives>
        <alternative>
                <alternativeID> [...] </alternativeID>
        </alternative>
</alternatives>

---

alternativesRank

-Optional: yes, enabled by default

Description:

Ranking (preorder) of alternatives, corresponding to pariwize preference and indifference statements

XMCDA related:

-Tag: alternativesValues

-Code:

<alternativesValues>
        <alternativeValue>
                <alternativeID> [...] </alternativeID>
                <value>
                        <integer> [...] </integer>
                </value>
        </alternativeValue>
</alternativesValues>

---

alternativesPreferences

-Optional: yes, enabled by default

Description:

Asymmetric part of the preference relation, representing strict preference statements, under the form of paiwise comparisons of alternatives.

XMCDA related:

-Tag: alternativesValues

-Code:

<alternativesComparisons>
        <pairs>
                <pair>
                        <initial>
                                <alternativeID>[...]</alternativeID>
                        </initial>
                        <terminal>
                                <alternativeID>[...]</alternativeID>
                        </terminal>
                </pair>
                [...]
        </pairs>
</alternativesComparisons>

---

alternativesIndifferences

-Optional: yes, enabled by default

Description:

Symmetric part of the preference relation, representing indifference statements, under the form of paiwise comparisons of alternatives.

XMCDA related:

-Tag: alternativesValues

-Code:

<alternativesComparisons>
        <pairs>
                <pair>
                        <initial>
                                <alternativeID>[...]</alternativeID>
                        </initial>
                        <terminal>
                                <alternativeID>[...]</alternativeID>
                        </terminal>
                </pair>
                [...]
        </pairs>
</alternativesComparisons>

---

criteria

Description:

A list of criteria. Criteria can be activated or desactivated via the <active> tag (true or false). By default (no <active> tag), criteria are considered as active.

XMCDA related:

-Tag: criteria

-Code:

<criteria>
        <criterion>
                <criterionID>[...] </criterionID>
        </criterion>
</criteria>

---

performanceTable

Description:

Values of criteria for different alternatives. It must contains IDs of both criteria and alternatives described previously.

XMCDA related:

-Tag: performanceTable

-Code:

<performanceTable>
        <alternativePerformances>
                <alternativeID> [...] </alternativeID>
                <performance>
                        <criterionID> [...] </criterionID>
                        <value>
                        <real> [...] </real>
                </value>
                </performance>
        </alternativePerformances>
</performanceTable>

---

preferenceDirections

Description:

Optimization direction for the selected criteria (min or max).

XMCDA related:

-Tag: criteriaValues

-Code:

<criteriaValues>
        <criterionValue>
                <criterionID> [...] </criterionID>
                <value>
                        <label> [..] </label>
                </value>
        </criterionValue>
</criteriaValues>

---

criteriaSegments

Description:

Number of segments in each value function to be constructed by UTA.

XMCDA related:

-Tag: criteriaValues

-Code:

<criteriaValues>
        <criterionValue>
                <criterionID>[...] </criterionID>
                <value>
                        <integer> [...] </integer>
                </value>
        </criterionValue>
</criteriaValues>

---

Outputs

valueFunctions

Description:

Constructed value functions for the selected criteria and the provided rankings, using ACUTA method.

XMCDA related:

-Tag: criteria

-Code:

<criteria mcdaConcept="criteria">
        <criterion>
                <criterionID>[..]</criterionID>
                <criterionFunction>
                        <points>
                                <point>
                                        <abscissa><real>[...]</real></abscissa>
                                        <ordinate><real>[...]</real></ordinate>
                                </point>
                        </points>
                </criterionFunction>
        </criterion>
</criteria>

---

message

Description:

logMessage

XMCDA related:

-Tag: methodMessages

-Code:

<methodMessages mcdaConcept="methodMessage">
        <logMessage>
                <text> [...]</text>
        </logMessage>
        <errorMessage>
                <text> [...]</text>
        </errorMessage>
</methodMessages>

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For further technical details on the web service underlying this program, have a look at its documentation here.