JDEXi: Open-source DEXi Java Library

Version 3.1


JDEXi31.zip contains a library of open-source Java classes that implement the evaluation of decision alternatives based on qualitative multi-attribute models produced by DEXi software.

JDEXi (version 3) supports:

JDEXi3 supports only a fairly limited modification of decision rules. DEXi software should be used for any more extensive modification of models.

Authors: Marko Bohanec, Dušan Omerčević, Andrej Kogovšek

This library is free software; you can redistribute it and/or modify it under the terms of the GNU Lesser General Public License as published by the Free Software Foundation; either version 2.1 of the License, or (at your option) any later version.

This library is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more details.

Contents of JDEXi31.zip

bin/ - contains compiled java files
src/ - contains java source files
doc/ - contains javadoc
JDEXi3.jar - JDEXi classes; see javadoc for the list of all classes
JDEXi3Eval.jar - runnable jar for running JDEXi (command-line)
TestJDEXi3.jar and DumpFile.jar - runnable jars for showing the use of JDEXi library (see the sources in src/test/)
Car.dxi - a sample DEXi file (car selection demo)
readme.html - this file


Runnable jar for running JDEXi application through the command line. It takes 2 mandatory parameters:
  1. DEXi_file_name: file containing a DEXi model (.dxi)
  2. Variables: a ";"-separated list of name=value pairs


java -jar JDEXi3Eval.jar Car.dxi "BUY.PRICE=low;MAINT.PRICE=low;#PERS=more;#DOORS=more;LUGGAGE=big;SAFETY=high"


Loads a DEXi model, displays some of its elements (attributes, value scales, decision rules) and evaluates a random decision alternative.

java -jar TestJDEXi3.jar Car.dxi


Loads a DEXi model and prints out all utility functions it contains.

java -jar DumpFunctions.jar Car.dxi

Version information

Previous versions

JDEXi version 1 (2004)

Version 2.0 (2012)

Download JDEXi 2.0: JDEXi2.zip

Version 3.0 (2015)

Download JDEXi 3.0: JDEXi3.zip

Version 3.1 (2016)

Download JDEXi 3.1: JDEXi31.zip

Maintained by Marko Bohanec. Comments and suggestions to marko.bohanec@ijs.si.

Last update: October 19, 2016