Thanks, I indeed discovered if something is not (in)directly linked to 
Thing it will not be visible.So I deleted them manually by navigating and 
using the 'Problems and Suggestions' option to find unlinked properties 
resulting in errors. Since I am not the manager I do not have the right 
permissions to use the manage tab to configure root, so the only ways to 
find unlinked classes and properties is by using Problems and Suggestions 
(or manually scrolling through the lines of code)?

About the validation, thanks again for the problems and suggestions option, 
it helped debugging the ontology. I have one question about importing my 
instance data: Where do I create a Data Graph collection? If I understand 
it correctly I have to create a collection in 'Data Assets collections', 
but, again, since I am not the admin nor a manager I cannot create one. So 
the only option is by importing instances through the import tab then?

Again, thanks for all the valuable help!
Stefan

Op vrijdag 2 augustus 2019 15:26:14 UTC+2 schreef Irene Polikoff:
>
> Yes, I believe currently if you delete a class, the associated property 
> shape gets deleted, but not the property itself.
>
> Since you found the property, just click on Delete button to remove it.
>
> Problems and Suggestions will validate the collection you are in. It will 
> validate either everything in it (including information in the included 
> collections) or, optionally, only resources of a certain type. The 
> validation will be against the shapes found in the collection - directly or 
> because they are included through owl:imports. In other words, in the 
> validation the current collection is used as both, the data graph and the 
> shapes graph.
>
> You could load your instance data into your ontology or, better, create a 
> Data Graph collection and load it there. Then you can validate it.
>
> If you decide to use Data Graph collections, note that when you create one 
> you will need to select an Ontology it is based on. It must contain the 
> schema (shapes) your data will be based on.
>
> In the Ontology, you'll need to declare classes which instances you will 
> be storing in the Data Graph ‘public classes’ of its GraphQL Schema. This 
> can be done once on a parent class if these classes have a common parent. 
> This set up step is explained here: 
> http://wiki.topquadrant.com/display/master/Ontology+View+or+Edit#OntologyVieworEdit-SHACLrequirementsforworkingwithReferenceDatasetsandDataGraphs
> .
>
> If your data is based on SKOS, you could also use a Taxonomy to store it.
>
> You may not need to convert CSV data outside of EDG. EDG lets you import 
> data from CSV, converting it to RDF. This option is available under Imports 
> tab.
>
 

> Op vrijdag 2 augustus 2019 18:04:51 UTC+2 schreef Irene Polikoff:
>>
>> One more thing to add about “invisibility to the user”.
>>
>> I expect that by this you mean that they do not show in the class 
>> hierarchy. Class hierarchy starts with a root class (by default owl:Thing) 
>> and shows all subclasses, then their subclasses, etc. Root can be 
>> configured on the Manage tab.
>>
>> Under each class, properties associated with it are shown.
>>
>> So, if something does not show in the hierarchy, it does not mean it does 
>> not exist and was deleted. It simply means that it is not connected in the 
>> way this particular view expects. As you have discovered, user can still 
>> find and navigate to these resources.
>>
>

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