I came recently over an example of a modeling of a DatatypeProperty. Firstly, the definitions of the properties themselves: efoaf:interest rdf:type owl:Class ; rdfs:subClassOf …

I have a set of genealogical data that includes some vague/uncertain dates. For example, I may know that someone was born in May 1750 but not the exact day, or I may know they were …

I have a dataset that has two different date-time datatypes; timestamps and from-to dates (lifespan data, formatted as yyyy–yyyy). I'm considering issues related to the formatting …