BESSER Smart Data JSON Schema Generator

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Overview

The tool automates the generation of Smart Data Models (SDM) from visual models, bridging the gap between high-level domain design and technical implementation for Digital Twins and IoT ecosystems.

Technical Workflow

  1. Input: Users define domain entities and relationships using B-UML (a simplified UML dialect) within the BESSER Pearl editor.

  2. Transformation: The engine maps these models to the NGSI-LD standard and Schema.org vocabularies.

  3. Output: For every entity, it automatically generates a compliant folder containing:

    • schema.json: The technical JSON Schema definition.

    • Examples: Multi-format payloads including JSON-LD, NGSI-v2, and Normalized NGSI-LD.

    • Documentation: Automatically derived human-readable specifications.

Key Advantages

  • Interoperability: Ensures 100% compliance with ETSI NGSI-LD and SDM contribution guidelines.

  • Model-Driven Engineering (MDE): Moves the “source of truth” to a visual model, reducing manual coding errors in complex JSON-LD structures.

  • Efficiency: Accelerates the deployment of standardized data spaces by automating the boilerplate required for context brokers (e.g., Orion).

 

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