prov/commit

IMPROVED: avoid asserting urls with empty subject

author	Jacco van Ossenbruggen
	Thu Jul 13 17:31:07 2017 +0200
committer	Jacco van Ossenbruggen
	Thu Jul 13 17:31:07 2017 +0200
commit	04bff1e29cac471b85c913d489a297168246ffff
tree	cd806e6c2b834ec892d7f15812e315b8365b0dd6
parent	31ee78fd219084df26b9e94f0cb181681131d1c4

Diff style: patch stat

diff --git a/lib/prov_schema.pl b/lib/prov_schema.pl
index c699138..6053e45 100644
--- a/lib/prov_schema.pl
+++ b/lib/prov_schema.pl
@@ -54,11 +54,11 @@ prov_init(Options) :-
     ;   true
     ),
     rdf_persistency(ProvBundle, Persistency),
-    rdf_assert('', rdf:type, prov:'Bundle', ProvBundle),
+    rdf_assert(ProvBundle, rdf:type, prov:'Bundle', ProvBundle),
     prov_uri(ProvBundle, program(Program), Options),
     prov_uri(ProvBundle, person(Person), Options),
-    rdf_assert('', prov:wasAttributedTo, Person, ProvBundle),
-    rdf_assert('', prov:wasAttributedTo, Program, ProvBundle).
+    rdf_assert(ProvBundle, prov:wasAttributedTo, Person, ProvBundle),
+    rdf_assert(ProvBundle, prov:wasAttributedTo, Program, ProvBundle).
 
 
 %!  prov_uri(+Graph, -URI, +Options) is det.