The Schema Project

The reference point for enabling semantic interoperability in data interchange between entities using shared data models.

What does semantic interoperability mean?

Let's imagine that the exchange of data between systems is comparable to the exchange of a message: By using shared templates on Schema, the meaning of any data or information exchanged will be correctly understood by the recipient.

What is Schema

Schema is the national catalog of data semantics that collects and organizes a wide range of semantic resources of national relevance, including data schemas, ontologies and controlled vocabularies, making them easily accessible to all those who develop APIs (programming interfaces).

The values of Schema

Sharing and understanding data

It promotes the use of shared and standardized semantic resources, facilitating the understanding and exchange of information between different public administrations.

Improving data quality

Enables data integration, including open data, and improves data quality.

Semantically and syntactically interoperable API creation

It enriches APIs with shared semantic resources by enabling interaction between the semantic layer and the technical layer of interoperability.

To whom it is addressed

Subjects who use the resources of the catalogue

Anyone who wants to reuse catalog resources for the development of their own applications or research.

Contributors of semantic resources

Public and private entities that feed the catalog with the semantic resources that represent their reference application field.

What Schema offers

Semantic resources

Research and use multiple resources, such as controlled vocabularies, ontologies and data schemas, to represent data with semantics and make interchange semantically interoperable.

Semantic tools

The tools to access the semantic resources of the catalog and to validate them. Validation concerns both the general description or metadatatation of semantic resources, and the structure in the case of API schemas.

Support to institutions

Support for creating semantic resources that represent the data of a reference application domain, see the contact section.

Institutions involved

As part of the NRRP (National Recovery and Resilience Plan), the project stems from the collaboration between the Department for Digital Transformation, ISTAT, the Institute of Cognitive Sciences and Technologies of the CNR and AGID. The Department (owner of the measure), has entrusted ISTAT with the implementation of the project, while the domain expert bodies are responsible and owners of the published content.

Legal background

The project is part of a European and national regulatory framework that promotes semantic interoperability in public administration.

Communication between entities must use shared data models in order to rationalise and standardise the representation of information as a precondition for facilitating interoperability between different entities.

European Interoperability Framework (EIF)

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High Value Data Regulation (EU) 2023/138

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Digital Administration Code (CAD)

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Three-year IT plan

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