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Other Resources for Learning About ISO 15926

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  1. Abstract
  2. RDS/WIP Browsers
    1. rdlfaçade
    2. POSC Caesar Part 4 Browser
    3. DNV Reference Data Browser
  3. Camelot Download Page
  4. Business Interfaces Definition Guide (BIDG)
  5. ISO 15926 Development Documents
    1. ISO 15927-7 Template Specification
    2. Characterization Methodology
    3. Compliance Guide
  6. Information Modeling Resources
    1. The Archives of Dr. Matthew West
    2. Modeling Guide #1
    3. Modeling Guide #2
  7. Infrastructure Technology
    1. XML
    2. RDF
    3. OWL
    4. SPARQL
    5. Gellish
  8. Next


As of this writing, summer 2009, there is no one place a prospective user can go to get a definitive curriculum to follow to learn all there is to know about ISO 15926. This is partly because it uses existing technology developed for the Semantic Web, and partly because it is still in its infancy.

What follows here is a collection of resources that describe the individual pieces that together make up ISO 15926.

RDS/WIP Browsers

The classes that make up Part 4, the dictionary of ISO 15926, are stored in what is called the RDS/WIP (Reference Data System/Work In Progress.) To search the classes you use an RDS/WIP browser.

For more information about RDS/WIP:

This second link contains links to a great deal of information on how the RDS/WIP is implemented.

There are a number of browsers for the RDS/WIP:


The RDS/WIP Search, otherwise known as the "RDL Façade" was created during the early development of ISO 15926.

For instructions on how to use the browser:

POSC Caesar Part 4 Browser

POSC Caesar has its own library of reference data presented in the form of spreadsheets:

POSC Caesar has developed a browser for ISO 15926-4 reference data:

Some instructions on using the POSC browser:

DNV Reference Data Browser

Det Norske Veritas (DNV) has also created its own browser:

Camelot Download Page

The Camelot project was a proof-of-concept demonstrated in mid 2009. It demonstrated several data flows that used the full ISO 15926 specification. Its deliverable was open source software called iRING 1.0. Since it is open source it is free for anyone to use without royalties.

Business Interfaces Definition Guide (BIDG)

The BIDG is becoming the basis for determining the future developement of the classes that make up Part 4 and the templates that make up Part 7. It is worth reading to understand the direction the developement of ISO 15926 will take. It is issued in two parts:

  • Part 2 is divided again into two editions; one for general buildings, and one for process plants:

The Business Interfaces Definition Guide was formerly known as the Process Industries Data Handover Guide. It was issued in two parts by EPISTLE in the late 1990's.

  • Part 1 consistes of guidelines for establishing the requirements for the exchange of facilities information between engineering contractors and owner/operators.
  • Part 2 consists of guidelines for the types and formats of handover information.

ISO 15926 Development Documents

ISO 15927-7 Template Specification

Template Methodology


Characterization Methodology


Compliance Guide


Information Modeling Resources

Information modeling is the core of ISO 15926. Most people won't have to know anything about it, but a "lucky few" will get to go all the way down the rabbit hole.

For instance, elsewhere in this Primer we have used the metaphor of heavier than air flight. Most of us use flight by phoning our travel agent to book a trip. But a few people (they probably also describe themselves as the "lucky few") actually know areonautical engineering and know why airplanes fly.

The barriers to digital interoperability are no longer hardware and technology, but rather information modeling. To truly develop ubiquitous digital interoperabiltity, we will need robust information models that describe plant objects and the relationships between them, from their inception, through operation, to demobilization. This provides a distinct growth opportunity for plant engineers who understand that information about plant objects is as valuable as the objects themselves. When we have a large knowledge base, classified accurately, we will be able to exchange worthwhile information without human involvement in each transfer.

If you would like to become one of the "lucky few", here are some publications to get you started. The bad news is that the notation and terminology of information modeling can be daunting to newcomers. The author's suggestion is "Keep Reading!" Eventually it will start to make sense.

The Archives of Dr. Matthew West

Dr. West has a long history with Shell's Information Management department, and as a developer of parts of ISO 15926. He has posted many of his publications on his website:

There is a wealth of information here for those introducing themselves to information modeling. I'd start part way down the list and work up.

  • Replaceable Parts: A Four Dimensional Analysis (2003)
  • Developing Shell’s Downstream Data Model based on ISO 15926 (2006)
  • An Introduction to 4 Dimensionalism in Data Modelling (2007)
  • Developing Shell’s Downstream Data Model based on ISO 15926 (2007)
  • Levels of reality in ISO 15926 and Shell's Downstream Data Model (2007)
  • Roles: A Four-Dimensional Analysis (2008)
  • Ontology Meets Business (2009)
  • 4 Dimensional Data Modelling: An Ontological Approach (2009)

Modeling Guide #1


Modeling Guide #2


Infrastructure Technology













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