cluster_search/commit

Added inverse property of oa:hasTarget to enable rdf back ward search.

diff --git a/config-available/cluster_search.pl b/config-available/cluster_search.pl
index aa5a2d8..ef2232b 100644
--- a/config-available/cluster_search.pl
+++ b/config-available/cluster_search.pl
@@ -8,5 +8,6 @@
 
 :- rdf_attach_library(cluster_search(rdf)).
 :- rdf_load_library('cluster-search-ui-schema').
+:- rdf_load_library('cluster-search-schema').
 
 :- use_module(api(cluster_search)).
diff --git a/rdf/cluster_search_schema.ttl b/rdf/cluster_search_schema.ttl
new file mode 100644
index 0000000..4b2fa70
--- /dev/null
+++ b/rdf/cluster_search_schema.ttl
@@ -0,0 +1,10 @@
+@prefix sws:    <http://semanticweb.cs.vu.nl/clustersearch/> .
+@prefix oa:     <http://www.w3.org/ns/oa#> .
+@prefix rdf:    <http://www.w3.org/1999/02/22-rdf-syntax-ns#> .
+@prefix owl:    <http://www.w3.org/2002/07/owl#> .
+@prefix rdfs:   <http://www.w3.org/2000/01/rdf-schema#> .
+@prefix dc:     <http://purl.org/dc/terms/> .
+@prefix skos:   <http://www.w3.org/2004/02/skos/core#> .
+
+sws:targetOf a owl:ObjectProperty;
+	owl:inverseOf oa:hasTarget .
diff --git a/rdf/void.ttl b/rdf/void.ttl
index 9b1658a..e0914d7 100644
--- a/rdf/void.ttl
+++ b/rdf/void.ttl
@@ -12,6 +12,10 @@
   vann:preferredNamespaceUri "http://semanticweb.cs.vu.nl/clustersearch/rijks#"
 ] .
 
+[ vann:preferredNamespacePrefix "sws" ;
+  vann:preferredNamespaceUri "http://semanticweb.cs.vu.nl/clustersearch/schema/"
+] .
+
 <cluster-search-ui-schema>
 	a void:Dataset ;
 	dcterms:title "Cluster Search UI configuration schema";
@@ -21,3 +25,8 @@
 	a void:Dataset ;
 	dcterms:title "Cluster Search UI configuration ui instance for the Rijksmuseum collection";
 	void:dataDump <rijksmuseum_ui.ttl> .
+	
+<cluster-search-schema>
+	a void:Dataset ;
+	dcterms:title "Schema for cluster search (at the moment adding a inverse property for oa:hasTarget";
+	void:dataDump <cluster_search_schema.ttl> .