use only crawled need to retrieve last modification date
@@ -278,6 +278,7 @@ public class CrawlSparqlService extends SparqlService {
" ?needUri a won:Need.\n" +
" ?needUri won:hasWonNode ?wonNodeUri. \n" +
" ?needUri dcterms:modified ?modificationDate. \n" +
+ " ?needUri dcterms:crawlStatus 'DONE'. \n" +
"} ORDER BY DESC(?modificationDate) LIMIT 1\n";
ParameterizedSparqlString pps = new ParameterizedSparqlString();
