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  1. Version 1.0.0

    22 downloads

    To underpin the sharing of data across organisations and sectors, the National Digital Twin progamme (NDTp) aims to develop an ontology - a theory of what exists, i.e. the things that exist and the rules that govern them – capable to describe “life, the universe and everything” (Adams, 1980). As set out in the Pathway towards the IMF, this ontology will consist of: a Foundation Data Model – the rules and constraints on how data is structured an ecosystem of Reference Data Libraries, compliant with the Foundation Data Model – the particular set of classes and properties we use to describe digital twins. To achieve the consistency required to share information across organisations and sectors, the Foundation Data Model needs to be underpinned by a Top-Level Ontology (TLO), i.e. the top level categories (“thing”, “class”, …) and the fundamental relationships between them that are sufficient to cover the scope of a maximally broad range of domains. As a starting point to define the NDT’s TLO, the technical team has reviewed and classified existing TLOs in A survey of Top-Level Ontologies, published November 2020, and assessed them against a set of requirements. This has led to the identification of 4 potential candidates for the NDT’s TLO: BORO, IDEAS, HQDM and ISO 15926-2, as set out in The Approach to Develop the FDM for the IMF publication. Ontologies continue to be added to the survey. Please refer to this page to see the most up-to-update list and to suggest other ontologies for the team to consider.
  2. Version 1.0.0

    25 downloads

    The Approach to Develop the Foundation Data Model published in March 2021 follows up on the Survey of Top-level Ontologies (TLO) published in November 2020. It sets out the Top-Level-Ontology requirements for the NDT's Foundation Data Model. Drawing upon the assessment of the TLOs listed in the Survey of Top-level Ontologies, it identifies 4 potential candidates for the NDT’s TLO: BORO, IDEAS, HQDM and ISO 15926-2: The four candidates are distinct from the other TLOs in being 4-dimensionalist, i.e. they consider individual objects as four-dimensional, with both spatial and temporal parts.
  3. Today we are delighted to publish the Approach to Develop the Foundation Data Model for the Information Management Framework. This document follows up on the November publication of the Survey of Top-level Ontologies (TLO) and the Survey of Industry Data Models (IDM) and Reference Data Libraries (RDL). (You can find these publications under Gemini Commons/IMF technical Documents.) The pragmatic and technical requirements for the Foundation Data Model have now been developed and consideration has been given as to whether any existing Top-Level Ontologies could be used as a suitable start-point. The Approach takes you through these requirements, the assessment of the surveyed TLOs to the final decision. There are four Top-Level Ontologies that meet all the technical requirements: BORO, IDEAS, HQDM and ISO 15926-2. They are distinct from the other Top-Level Ontologies in being 4-dimensionalist. These allow us to see individual objects as four-dimensional, having both spatial and temporal parts. You can find the Approach to Develop the FDM for the IMF here
  4. We hope that you have had opportunity to look through the two survey documents published by the NDTp technical development team. A survey of Top-Level Ontologies A survey of Industry Data Models and Reference Data Libraries If you think there have been omissions, and you would like to submit others for assessment, Matthew and the team would be happy to receive them. Linked here is a proforma that we ask for you to complete. You can post your completed form to the files here in the network and we can pick it up from there. Ontology Assessment Criteria - Proforma We appreciate your interest and involvement to ensure the surveys are as complete as they can be.
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