Lucas_Werkmeister_WMDE created this task.
Lucas_Werkmeister_WMDE added projects: Wikidata, Lexicographical data.

TASK DESCRIPTION
  As an RDF/OWL expert, I want lexeme-related predicates to be typed correctly. 
(This is vague because I’m not an RDF/OWL expert)
  
  **Problem:**
  T161991 <https://phabricator.wikimedia.org/T161991> introduced the 
`rdf-data-type` field for a data type to declare whether the RDF type of its 
properties should be owl:DatatypeProperty (the default, suitable for linking to 
numbers, strings, coordinates, and other values) or owl:ObjectProperty 
(suitable for linking to other entities). WikibaseLexeme doesn’t use this 
field, so predicates for properties of data type `wikibase-lexeme`, 
`wikibase-form` and `wikibase-sense` get the wrong type assigned in the RDF 
output.
  
  **Example:**
  P5188, datatype Lexeme 
<https://www.wikidata.org/wiki/Special:EntityData/P5188.ttl>:
  
    p:P5188 a owl:ObjectProperty .
    
    psv:P5188 a owl:ObjectProperty .
    
    pqv:P5188 a owl:ObjectProperty .
    
    prv:P5188 a owl:ObjectProperty .
    
    wdt:P5188 a owl:DatatypeProperty .
    
    ps:P5188 a owl:DatatypeProperty .
    
    pq:P5188 a owl:DatatypeProperty .
    
    pr:P5188 a owl:DatatypeProperty .
  
  P369, datatype Item 
<https://www.wikidata.org/wiki/Special:EntityData/P369.ttl>:
  
    p:P369 a owl:ObjectProperty .
    
    psv:P369 a owl:ObjectProperty .
    
    pqv:P369 a owl:ObjectProperty .
    
    prv:P369 a owl:ObjectProperty .
    
    wdt:P369 a owl:ObjectProperty .
    
    ps:P369 a owl:ObjectProperty .
    
    pq:P369 a owl:ObjectProperty .
    
    pr:P369 a owl:ObjectProperty .
  
  **Screenshots/mockups:**
  
  **BDD**
  GIVEN 
  AND 
  WHEN
  AND
  THEN
  AND
  
  **Acceptance criteria:**
  
  - `wdt:`, `ps:`, `pq:`, `pr:` predicates of Lexeme-type properties have the 
type owl:ObjectProperty
  - `wdt:`, `ps:`, `pq:`, `pr:` predicates of Form-type properties have the 
type owl:ObjectProperty
  - `wdt:`, `ps:`, `pq:`, `pr:` predicates of Sense-type properties have the 
type owl:ObjectProperty
  
  **Open questions:**

TASK DETAIL
  https://phabricator.wikimedia.org/T255147

EMAIL PREFERENCES
  https://phabricator.wikimedia.org/settings/panel/emailpreferences/

To: Lucas_Werkmeister_WMDE
Cc: Lucas_Werkmeister_WMDE, darthmon_wmde, Nandana, Mringgaard, Lahi, Gq86, 
GoranSMilovanovic, QZanden, LawExplorer, _jensen, rosalieper, Scott_WUaS, 
Wikidata-bugs, aude, Mbch331
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