A Family History Knowledge Base in OWL 2

ABSTRACT. This paper presents a challenging family history knowledge-base (FHKB) authored in OWL 2 DL. Originally, the FHKB was designed to act as a tool for education, especially about OWL 2’s features and the use of automated reasoners. As a result, the FHKB has been constructed to maximise use of inference. For individuals representing people, only genealogical assertions on parentage and sparse assertions of siblinghood are given explicitly. All other genealogical inferences are driven by a rich property hierarchy, property characteristics and subproperty chains. A rich collection of entailments are generated, but reasoners struggle to handle a version with all of Robert’s known relatives.