AgoraOWL: An ontology for annotating data-space assets aligned with IDSA and BIGOWL

Sectoral Semantic Interoperability for Data Spaces: Decoupling domain logic from technical schemas to enable automated matchmaking.

🚀 Overview

AgoraOWL is a lightweight ontology designed to operationalize Data Spaces. It bridges the gap between the IDSA Information Model (governance) and BIGOWL (analytical workflows), enabling:

Full DCAT-AP-ES 1.0.0 & DCAT 3.0 Compliance: Standardized metadata verified against official Spanish and European shapes.
Symmetric App Profiling: Formalized Input and Output ports for DataApps, enabling automated pipeline chaining.
Decoupled Architecture: Semantic DataSpecification is linked to physical Distribution through FieldMappings, preventing schema leakage.
Technical Matchmaking: Support for unit-aware, quality-aware, and data-type-aware constraints for formal interoperability.

⚡ Quickstart (Minimal Example)

Annotate a Data Asset and a Data App using the decoupled model:

@prefix : <https://w3id.org/AgoraOWL/> .
@prefix dcat: <http://www.w3.org/ns/dcat#> .
@prefix xsd: <http://www.w3.org/2001/XMLSchema#> .
@prefix qudt: <http://qudt.org/vocab/unit/> .

# 1. Semantic Layer: Define WHAT the data is
:TemperatureSpec a :DataSpecification ;
    rdfs:label "Air Temperature Specification"@en .

# 2. Binding Layer: Map it to a physical field
:MyDataset a :DataAsset, dcat:Dataset ;
    dcat:distribution [
        a dcat:Distribution ;
        :hasFieldMapping [
            a :FieldMapping ;
            :mapsToSpecification :TemperatureSpec ;
            :mapsField "temp_celsius" ;
            :hasUnit qudt:DEG_C ;
            :hasDataType xsd:float
        ]
    ] .

# 3. Requirement Layer: Define what an App needs
:MyAnalysisApp a :DataApp ;
    :hasInputProfile [
        a :InputProfile ;
        :hasDataSpecification :TemperatureSpec ;
        :hasConstraint [
            a :DataConstraint ;
            :requiresUnit qudt:DEG_C ;
            :constraintOperator :GreaterOrEqual ;
            :constraintValue "0.95"^^xsd:decimal
        ]
    ] .

🇪🇸 Strategic Alignment (Spanish Framework)

AgoraOWL reinforces the Marco de Interoperabilidad Técnico (MIT) by:

Sectoral Semantic Interoperability: By decoupling technical mapping from domain semantics, AgoraOWL allow assets to reuse the same semantic library even if their physical schemas differ.
SIEX & FEGA Support: Includes native SKOS alignments for Spanish agricultural catalogs, ensuring immediate operationality in the national context.

📘 Documentation

Architecture Guide: High-level view of the 4-layer model.
Semantic Profiling Guide: Detailed matchmaking rules.
Interoperability Examples (ES): Real-world Spanish scenarios.
Interactive Documentation (WIDOCO).

🛠️ Validation

Ensure your instances conform to AgoraOWL and DCAT-AP-ES rules:

# Verify using Docker-powered local suite
./scripts/local-validate.sh

AgoraOWL

Install / Use

README