From f4128f07c7815845710a2a9cf0ed40d4240be088 Mon Sep 17 00:00:00 2001
From: Munyoki Kilyungi
Date: Fri, 23 Jan 2026 18:02:39 +0300
Subject: Replace rdf:isDefinedBy with gnt:has_wikidata_link for species.

Signed-off-by: Munyoki Kilyungi <me@bonfacemunyoki.com>
---
 schema/species.ttl | 36 ++++++++++++++++++++++--------------
 1 file changed, 22 insertions(+), 14 deletions(-)

diff --git a/schema/species.ttl b/schema/species.ttl
index 60ebd17..18d1b38 100644
--- a/schema/species.ttl
+++ b/schema/species.ttl
@@ -2,48 +2,56 @@
 
 @prefix rdf: <http://www.w3.org/1999/02/22-rdf-syntax-ns#> .
 
-@prefix wd: <http://www.wikidata.org/entity/> .
 @prefix gn: <http://rdf.genenetwork.org/v1/id/> .
 @prefix gnt: <http://rdf.genenetwork.org/v1/term/> .
+@prefix owl: <http://www.w3.org/2002/07/owl#> .
+@prefix wd: <http://www.wikidata.org/entity/> .
+
+
+gnt:has_wikidata_link a owl:ObjectProperty ;
+    rdfs:label "has Wikidata link" ;
+    rdfs:comment "Associates a GeneNetwork resource with its corresponding canonical entity in Wikidata." ;
+    rdfs:subPropertyOf skos:exactMatch ;
+    rdfs:range owl:Thing .
 
 # sorted on short names:
 #
-gn:Arabidopsis_thaliana rdf:isDefinedBy wd:Q158695 ;
+gn:Arabidopsis_thaliana gnt:has_wikidata_link wd:Q158695 ;
                         gnt:shortName "arabidopsis" .
 
-gn:Hordeum_vulgare rdf:isDefinedBy wd:Q11577 ;
+gn:Hordeum_vulgare gnt:has_wikidata_link wd:Q11577 ;
                gnt:shortName "barley" .
 
-gn:Glossophaga_soricina rdf:isDefinedBy wd:Q304929 ;
+gn:Glossophaga_soricina gnt:has_wikidata_link wd:Q304929 ;
                         gnt:shortName "bat" .
 
-gn:Drosophila_melanogaster rdf:isDefinedBy wd:Q130888 ;
+gn:Drosophila_melanogaster gnt:has_wikidata_link wd:Q130888 ;
 			   gnt:shortName "drosophila" .
 
-gn:Homo_sapiens rdf:isDefinedBy wd:Q15978631 ;
+gn:Homo_sapiens gnt:has_wikidata_link wd:Q15978631 ;
   	       gnt:shortName "human" .
 
 # Monkey
-# gn:Macaca_mulatta rdf:isDefinedBy wd:Q156606 ;
+# gn:Macaca_mulatta gnt:has_wikidata_link wd:Q156606 ;
 # 		  gnt:shortName "macaca" .
-gn:Macaca_nemestrina rdf:isDefinedBy wd:Q618026 ;
+gn:Macaca_nemestrina gnt:has_wikidata_link wd:Q618026 ;
   		     gnt:shortName "macaca" .
 
-gn:Mus_musculus rdf:isDefinedBy wd:Q83310 ;
+gn:Mus_musculus gnt:has_wikidata_link wd:Q83310 ;
 		gnt:shortName "mouse" .
 
-gn:Oryzias_latipes rdf:isDefinedBy wd:Q1142975 ;
+gn:Oryzias_latipes gnt:has_wikidata_link wd:Q1142975 ;
   		   gnt:shortName "medaka" .
 
-gn:Populus_trichocarpa rdf:isDefinedBy wd:Q149382 ;
+gn:Populus_trichocarpa gnt:has_wikidata_link wd:Q149382 ;
 		       gnt:shortName "poplar" .
 
-gn:Rattus_norvegicus rdf:isDefinedBy wd:Q184224 ;
+gn:Rattus_norvegicus gnt:has_wikidata_link wd:Q184224 ;
 		     gnt:shortName "rat" .
 
-gn:Glycine_max rdf:isDefinedBy wd:Q11006 ;
+gn:Glycine_max gnt:has_wikidata_link wd:Q11006 ;
 	       gnt:shortName "soybean" .
 
-gn:Solanum_lycopersicum rdf:isDefinedBy wd:Q23501 ;
+gn:Solanum_lycopersicum gnt:has_wikidata_link wd:Q23501 ;
 			gnt:shortName "tomato" .
 
-- 
cgit 1.4.1