ABSTRACT
The need to organize building information mod-
els (BIM), (national) classification systems and
building product libraries in standardized, inter-
operable ways has been outlined in many research
works and has found its way into many of today’s
commercially available applications and stand-
ards. Rooted in earlier classification systems such
as the SfB (Giertz 1982), initiatives like the Dutch
Lexicon effort led by Woestenenk (2000, 2002) and
the BARBi library by Bell and Björkhaug (2006)
have created the need of finding a uniform stand-
ard for modeling taxonomies and complex ontolo-
gies. The ISO 12006 parts 2 and 3 were defined as
an answer to this need. Their modeling choices are
discussed in section 3 of this paper.
