From 3d0f8c3b17668cbbd6be2c8ce6a8076d526fa094 Mon Sep 17 00:00:00 2001
From: Jonas Smedegaard <dr@jones.dk>
Date: Thu, 29 Aug 2024 19:48:28 +0200
Subject: tighten ontology mangling: use Notation 3 shorthand 'a'

---
 Makefile | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/Makefile b/Makefile
index 8aa5a31..6b033a9 100644
--- a/Makefile
+++ b/Makefile
@@ -59,6 +59,8 @@ learn/$(ONTOLOGIES_VERSION)/%.ttl: learn/%.ttl
 	 -e 's,purl\.org/learn/\K(?=[^\d]),$(ONTOLOGIES_VERSION)/,g;' \
 	 -e 's/\n\h+owl:imports <[^>]+> ;//g;' \
 	 -e 's/(?:\G|^)\s{4}/\t/gm;' \
+	 -e 's/^\S+\K\s+rdf:type\s+/ a /gm;' \
+	 -e 's/^\t\Krdf:type /a /gm;' \
 	 -e 's/\s+$$/\n/;' \
 	 < $< > $@
 
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