Talk:Extending SiDIF

• dad loves mom
• https://www.wikidata.org/wiki/Q76 https://www.wikidata.org/wiki/Property:P26 https://www.wikidata.org/wiki/ Q13133
• https://www.wikidata.org/wiki/Q76 https://www.wikidata.org/wiki/Property:P26 https://www.wikidata.org/wiki/

Q13133

• Barack Obama spouse Michelle Obama

it key word

dad loves mom
https://www.wikidata.org/wiki/Q76 is wikidata_url of it

new "link" keyword? or rather "subject/s" "predicate/p" "object/o" for statements about statemens?

https://www.wikidata.org/wiki/Q76 is wikidata_url of subject
1992-10-03 is date of predicate
https://www.wikidata.org/wiki/Q13133 is wikidata_url of object

it semantics: bridge OO (self/this/me ..) and Semantic Web/Ontology! Core Concepts:

Entity - Object
Link -relation between two objects

Person isA Concept
# optional indirection to technology ...
# cave - 1:n relation  this is good and bad good: flexibility, bad: complexity ...
Person_Sparql is sparql_impl of subject
http://foaf/... is prefix_url of subject
foaf is prefix of subject
Barack1950 isA Person
"Barack" is firstname of subject

OWL based on Description Logic: Concepts, Roles, Individuals T mit Balken as top-Concept bottom Concept - umgedrehtes T RDF: Classes (Concepts), (Roles: Properties), Individuals: Individuals

naives isA in zwei Ausprägungen: Individum - > Class (Barack -> Person) Barack rdfType Person Concept subClass of owl:Thing owl:Nothing - bottom concept

vgl skos:inSchema rdfs:isDefinedBy @prefix ex: <http://example.org/>