fix for v1.12

src/main/java/com/smartharvester/service/MappingService.java

@@ -108,6 +108,8 @@ public class MappingService {
 		case "dct:modified":
 			property += indentifier + " \"" + value + "\"^^xsd:dateTime;\n";
 			break;
+		case "dct:publisher":
+			property += indentifier + "[ a foaf:Agent; foaf:name \"" + value + "\"];\n";
 		default:
 			property += indentifier + " \"" + value + "\";\n";
 			break;
@@ -137,6 +139,10 @@ public class MappingService {
 				.filter(e -> e.getProperty().equals("dct:hasVersion")).collect(Collectors.toList()).size() == 0) {
 			datasetProperties += "dct:hasVersion \"null\";\n";
 		}
+		if (paths.stream().filter(e -> e.getDcatClass().equals("dcat:dataset"))
+				.filter(e -> e.getProperty().equals("dct:publisher")).collect(Collectors.toList()).size() == 0) {
+			datasetProperties += "dct:publisher [ a foaf:Agent; foaf:name \"unedefined\"];\n";
+		}
 		distributionProperties += "dct:hasVersion \"null\";\n";
 		for (Path path : paths) {
 			try {