Ontology development diary 04 - to try to understand some aspects of protege

First understand the picture below!Originally, I wrote that I thought I was fooling it and it was over!It turns out that the Semantic Web needs to add an attribute to the relationship, and I'm very upset!In particular, you need to understand what the following things do!So, I plan to record this process!Q_q

Here is the source file address:

http://www.w3.org/2002/07/owl/owl#backwardCompatibleWith
http://www.w3.org/2000/01/rdf-schema#comment
However, twoNo addresses are available!

If you don't understand, look for information first!

https://www.w3school.com.cn/rdf/rdf_owl.asp
https://www.w3.org/2001/sw/wiki/OWL

All are unavailable!

http://en.transwiki.org/cn/rdfprimer.htm

I don't understand this!Read the book!
(First Book) OWL is an RDF language developed by W3C.
owl:DatatypeProperty All classes with properties of literal scope.
owl:ObjectProperty All classes that have owl:Class instance-scoped properties.
(Second Book) RDF Vocabulary: Terms such as rdfs:label, rdfs:comment, rdfs:seeAlso are defined in the RDF Schema Vocabulary.

https://www.w3.org/2000/01/rdf-schema#

So I decided to translate the tutorial below!


Chapter 7.4!kindness!Sharpening knives does not cut firewood by mistake!!!Hope it goes well in the future!Graduation successfully!!!!