feat(rdfimport): import places from Geonames

Import data for Place entity objects from
RDF endpoint of geonames.org.

apis_ontology/rdfimport/PlaceFromGeonames.toml

@@ -0,0 +1,64 @@
+####################################################
+# Create an E53_Place from a geonames RDF endpoint #
+####################################################
+superclass = "apis_ontology.models.Place"
+# the second regex is for the test data
+regex = "https://sws.geonames.org.*"
+[[attributes]]
+# name
+#FILTER (LANGMATCHES(LANG(?prefName), "de") || LANGMATCHES(LANG(?prefName), "en") || LANG(?prefName) = "")
+sparql = """
+PREFIX gn: <http://www.geonames.org/ontology#>
+SELECT ?label
+WHERE
+{
+  OPTIONAL {
+    ?subject gn:name ?gnname .
+  }
+  OPTIONAL {
+   ?subject gn:officialName ?officialName
+  }
+  OPTIONAL {
+    ?subject gn:alternateName ?alternateName
+  }
+  BIND(COALESCE(?gnname, ?officialName, ?alternateName) AS ?label)
+}
+"""
+[[attributes]]
+# kind
+sparql = """
+PREFIX gn: <http://www.geonames.org/ontology#>
+SELECT ?kind
+WHERE {
+  ?subject gn:featureCode ?kind
+}
+"""
+[[attributes]]
+# lat
+sparql = """
+PREFIX wgs84_pos: <http://www.w3.org/2003/01/geo/wgs84_pos#>
+SELECT ?latitude
+WHERE {
+  ?subject wgs84_pos:lat ?latitude.
+  ?subject wgs84_pos:long ?longitude
+}
+"""
+[[attributes]]
+# long
+sparql = """
+PREFIX wgs84_pos: <http://www.w3.org/2003/01/geo/wgs84_pos#>
+SELECT ?longitude
+WHERE {
+  ?subject wgs84_pos:lat ?latitude.
+  ?subject wgs84_pos:long ?longitude
+}
+"""
+[[attributes]]
+# parent
+sparql = """
+PREFIX gn: <http://www.geonames.org/ontology#>
+SELECT ?parent
+WHERE {
+  ?subject gn:parentCountry ?parent
+}
+"""