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We define interoperability as the ability of two or more systems to exchange information through a common representational system to perform complex tasks that cannot be done by each single system alone.

The common representational system provides the highest level of generalisation leading to a range of benefits including

  • No privileged one-to-one connection between systems is required nor desired
  • Linear scaling of interoperability operations as more systems are added, rather than power scaling for one-to-one compatible systems.

Agreement on a common representational system also facilitates standardisation of computational interfaces as well as standardisation of documentation, based on underpinning metadata, taxonomies and ontologies.

  • Standardisation of interfaces
  • Standardisation of data documentation facilitated by agreement on the common representational system


  • Awareness raising, highlighting the benefits and impact of interoperability and widely agreed terminology, taxonomy and ontology standards.
  • Supporting and governing the development of the European Materials & Modelling Ontology (EMMO) as a foundation for interoperability.
  • Making materials models and related data more accessible and usable to industry by means of a range of actions such as
    • Supporting and coordinating standardised data documentation
    • Supporting and coordinating the development of systems and applications based on interoperability standards, e.g. Open Simulation Platforms

Related activities

European Materials Modelling Council
Silversquare Stéphanie
Avenue Louise 54
1050 Brussels
CBE no: 0731 621 312