def findRelation(self, columnValue1, columnValue2, entities1, entities2):
propertySearch = PropertySearchDbpediaSparql()
properties = []
if(len(entities1) > 0):
for entity1 in entities1:
properties.append(propertySearch.uriLiteralSearch(entity1,columnValue2))
elif(len(entities2) > 0):
for entity2 in entities2:
properties.append(propertySearch.uriLiteralSearch(entity2,columnValue1))
elif(len(entities1) > 0 and len(entities2) > 0):
for entity1 in entities1:
for entity2 in entities2:
properties.append(propertySearch.uriUriSearch(entity1, entity2))
else:
#both are literals, do nothing
pass
#flatten
properties = [prop for sublist in properties for prop in sublist]
#remove duplicates
properties = list(set(properties))
return properties
