DEX Software

This documentation is associated with the DEX Software website. It provides detailed information about the multi-criteria modeling method DEX (Decision EXpert) and software that supports the development and application of DEX models. This software was mainly produced at the Jožef Stefan Institute, Department of Knowledge Technologies, Ljubljana, Slovenia.

DEX software is free and distributed under liberal licenses, such as MIT or GPL, depending on the product. DEXi Suite is open-source.

DEX Method

DEX (Decision EXpert) is a is a hierarchical, qualitative, rule-based multi-criteria decision analysis (MCDA) method. It is particularly suited for sorting/classification decision problems. DEX puts special emphasis on the transparency, comprehensibility, consistency, and completeness of decision models, as well as on methods for the analysis, justification, and explanation of decisions. The DEX approach relies on using software tools that actively support the decision maker in both the creation and utilization stages of the process.

DEXi Suite

DEXi Suite is a common name for the new-generation of DEX software, launched in 2023, aimed at gradually replacing DEXi Classic.

DEXi Classic

DEXi Classic is a common name for a group of DEX software tools developed in the period 2000-2021. The tools are built around DEXi, a desktop program for multi-attribute decision making, which facilitates an interactive creation and editing of DEX models and provides methods for the evaluation and analysis of alternatives. DEXi Classic also provides software for the evaluation of alternatives on Web pages and in programming environments, such as C# and Java.

Other DEX Software

Other third-party or research/prototype/experimental software:

  • DEXiWare: Software platform for developing Web-based Decision Support Systems using DEX models.

  • proDEX: A Python implementation of some DEX features, extended by general hierarchies, numerical inputs and probabilistic utility functions, in Orange primary developer: Martin Žnidaršič) (2006).

  • DEXi Rule: A web app for reading DEXi models and showing decision tables with elementary and complex rules (primary developer: Adem Kikaj) (2018).

Applications

Examples of applications and decision support systems developed using DEX:

  • ESQI: ECOGEN Soil Quality Index Web page

  • SIGMO: Assessment of GM presence in a food or feed products (primary developer: Biljana Mileva Boshkoska)

  • OVJE: A decision support system for the assessment of electric energy production technologies in Slovenia since 2015 (primary developer: Nejc Trdin)

  • Soil Navigator: A DSS for assessing and optimizing soil functions

  • PathFinder: A DSS for the assessment and management of sustainability of legume agri-food value chains

  • IPSIM-Chayote: A tool for professionals in agriculture to predict and manage the damage caused by fruit flies on the chayote in Reunion island

  • Balkan Peace Index: Assessing the peace state in the Balkans over the years

  • Internal Migration and Gross Value Added Assessment: Assessing effects of decisions and/or policies on net internal migrations and gross value added per capita in Serbia

Publications

Please see: