Before revision: (1990)Chandrasekaran and Josephson (2000)Bhatta and Goel (1994) Overview The ontological categories composing the Function-Behaviour-Structure ontology are defined as follows:Gero and Kannengiesser (2004)Gero and Kannengiesser (2014) Function (F): the teleology (purpose) of the design object .
After revision: ,i.e.“what the object is for"(1990)Chandrasekaran and Josephson (2000)Bhatta and Goel (1994) Overview The ontological categories composing the Function-Behaviour-Structure ontology are defined as follows:Gero and Kannengiesser (2004)Gero and Kannengiesser (2014) Function (F): the teleology (purpose) of the design object .