A sleeping digital twin is the process of reusing and recycling old design documents, BIM documents and design models to create digital twins for buildings in operation.
For the architectural modelling technique see Building information modeling
BiM (Binary MPEG format for XML) is an international standard defining a generic binary format for encoding XML documents.
The technical specifications for BiM are found in: MPEG systems technologies - Part 1: Binary MPEG format for XML (ISO/IEC 23001-1) It is also known as MPEG-B Part 1.