DiCon

The Digital Construction Ontologies (DiCon) are a modularized suite of OWL-based ontologies designed to achieve semantic interoperability across heterogeneous ICT systems, tools, and data sources within the construction and renovation domain.

Developed by the BIM4EEB project and aligned with the Basic Formal Ontology (BFO) and ifcOWL, DiCon provides a shared terminology for construction workflows, focusing on managing the flow of information between different construction tasks and stakeholders.

Key Aspects of DiCon:

Modular Architecture: Comprised of six main modules—Entities, Processes, Information, Agents, Variables, and Contexts—that cover built assets, project teams, and information containers.
Standard Compliance: Aligned with international standards including ISO 19650 (information management), ISO 16739-1 (ifcOWL), and ISO 21597 (Information Container for Linked Document Delivery – ICDD).
Support for Information Evolution: Features mechanisms to handle updates, refinements, and changes in information over the course of a project through property objectification (sensor data) and named graphs (versioning).
Contextual Flexibility: Enables the representation of alternative scenarios, such as planned vs. actual data or various renovation stages, using the Contexts module.
Alignment: Uses specific alignment modules to connect DiCon concepts with external ontologies (e.g., SAREF, QUDT, PROV-O) without directly modifying them.

DiCon serves as the backend knowledge representation for applications in the Digital Twin Construction (DTC) framework, allowing for automated data collection, reasoning, and integration of construction site information.

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