. . . . . . . . "- In page 3, [10] is not the most proper reference about IFC EXPRESS to OWL. In addition to [30], also the paper Pauwels et al. 2017 (“Enhancing the ifcOWL ontology with an alternative representation for geometric data”) can be considered, since it includes the final version of ifcowl approved by bSI." . "3"^^ . . . . "2019-11-26T09:05:11+01:00"^^ . .