AKN4EU is the future machine-readable structured format for the exchange of legal documents in the EU decision-making process.

BITS (Book Interchange Tag Suite) 

The Publications Office has selected BITS (Book Interchange Tag Suite) as an XML mark-up model suitable for the production of general publications.

CDM (Common Data Model) 

CDM is the Common Data Model of the resources published by the Publications Office of the European Union.

Core Vocabularies 

Core Vocabularies are simplified, re-usable and extensible data models that capture the fundamental characteristics of an entity in a context-neutral fashion.

DCAT-AP for data portals in Europe 

The DCAT Application profile for data portals in Europe (DCAT-AP) is a specification based on the Data Catalogue vocabulary (DCAT) for describing public sector datasets in Europe.

Digital Europa Thesaurus (DET) 

The Digital Europa Thesaurus (DET) is a multilingual thesaurus covering the main subject matters of the European Commission's public communications.


eProcurement is the use of electronic communications and transaction processing for public procurement (procedures and methods established for public sector organisations when buying supplies and services or tendering public works).

ELI (European Legislation Identifier) 

The technical specifications of the European Legislation Identifier (ELI) can be found here.


EuroSciVoc is a multilingual taxonomy that represents all the main fields of science that were discovered from CORDIS content and organised through a semi-automatic process based on NLP techniques.


Formex describes the format for the exchange of data between the Publications Office and its contractors. In particular, it defines the logical markup for documents which are published in the different series of the Offical Journal of the European Union.

IMMC Core metadata exchange protocol 

IMMC Core metadata, within the context of the Interinstitutional Metadata Maintenance Committee (IMMC), is defined as: the minimum set of metadata elements relative to the legal decision making process, to be used in the data exchange between the institutions involved and the Publications Office. Read more.

OJEEP (Official Journal Electronic Exchange Protocol) 

The Publications Office of the EU has defined the Official Journal Electronic Exchange Protocol (OJEEP) to manage the data exchange between PlanJO, the production follow-up system for the Official Journal of the EU, and the contractors in charge of printing the Official Journal.

OP Core metadata element set 

Based on the Dublin Core metadata element set, the Publications Office of the EU has defined its own OP Core metadata element set.

OP data structures and standards 

Interoperable standards and data structures used at the the Publications Office of the European Union.