When exchanging data, we want others to understand its meaning. The IFC schema provides us with basic terms and properties to describe building data, but often more is needed. We start inventing names or using additional classifications to extend IFC. That is when things can go wrong. What if your client misunderstands what the “cost“ parameter means? Or are there four “area“ parameters for each wall? Or if you have a typo in the name? That significantly hinders interoperability.
The buildingSMART Data Dictionary (bSDD) is a free platform to share and find already existing concepts and properties. Those can be used to specify information needs and enrich BIM models. Furthermore, you can also define allowed value restrictions and provide context and definition of each concept.
Using Speckle? Give your data meaning with bSDD by assigning a proper class to each object, no matter what software you work on. Especially useful if you need to follow specific standards or national requirements. The bSDD is available in many existing tools and plugins, as well as a search page and through its free API.
bSDD offers more than just a shared vocabulary. You can also show relations between definitions, classification systems, and translations, making data transfer easier and providing a knowledge graph for reasoning for AI applications.
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