diff --git a/webapp/src/edu/cornell/mannlib/vitro/webapp/rdfservice/impl/jena/RDFServiceJena.java b/webapp/src/edu/cornell/mannlib/vitro/webapp/rdfservice/impl/jena/RDFServiceJena.java
index b851fab9b..f2eae2554 100644
--- a/webapp/src/edu/cornell/mannlib/vitro/webapp/rdfservice/impl/jena/RDFServiceJena.java
+++ b/webapp/src/edu/cornell/mannlib/vitro/webapp/rdfservice/impl/jena/RDFServiceJena.java
@@ -226,7 +226,8 @@ public abstract class RDFServiceJena extends RDFServiceImpl implements RDFServic
             }
         }
         if (subjQueue.isEmpty()) {
-            throw new RuntimeException("No named subject in statement patterns");
+            log.warn("No named subject in statement patterns");
+            return stmts;
         }
         while(remaining.size() > 0) {
             if(subjQueue.isEmpty()) {
diff --git a/webapp/src/edu/cornell/mannlib/vitro/webapp/reasoner/ABoxRecomputer.java b/webapp/src/edu/cornell/mannlib/vitro/webapp/reasoner/ABoxRecomputer.java
index 78244216b..0aa537aaa 100644
--- a/webapp/src/edu/cornell/mannlib/vitro/webapp/reasoner/ABoxRecomputer.java
+++ b/webapp/src/edu/cornell/mannlib/vitro/webapp/reasoner/ABoxRecomputer.java
@@ -295,7 +295,8 @@ public class ABoxRecomputer {
 	 */
 	protected Collection<String> getAllIndividualURIs() {
 	    
-		String queryString = "select ?s where {?s a ?type}";
+		String queryString = "SELECT DISTINCT ?s WHERE { GRAPH ?g { ?s a ?type } " +
+		        " FILTER (!bound(?g) || !regex(str(?g),\"tbox\")) } ORDER BY ?s";
 	    return getIndividualURIs(queryString);
 	}
 
diff --git a/webapp/src/edu/cornell/mannlib/vitro/webapp/utils/ApplicationConfigurationOntologyUtils.java b/webapp/src/edu/cornell/mannlib/vitro/webapp/utils/ApplicationConfigurationOntologyUtils.java
index ee25e2c07..24341a0f4 100644
--- a/webapp/src/edu/cornell/mannlib/vitro/webapp/utils/ApplicationConfigurationOntologyUtils.java
+++ b/webapp/src/edu/cornell/mannlib/vitro/webapp/utils/ApplicationConfigurationOntologyUtils.java
@@ -82,8 +82,14 @@ public class ApplicationConfigurationOntologyUtils {
                 String domainURI = (domainRes != null) ? domainRes.getURI() : null;
                 String rangeURI = qsoln.getResource("range").getURI();
                 if (appropriateDomain(domainRes, subject, tboxModel)) {
-                    additionalProps.add(opDao.getObjectPropertyByURIs(
-                        opURI, domainURI, rangeURI));              
+                    ObjectProperty faux = opDao.getObjectPropertyByURIs(
+                            opURI, domainURI, rangeURI);
+                    if (faux != null) {
+                        additionalProps.add(faux);
+                    } else {
+                        log.error("Could not retrieve " + opURI + " qualified by " +
+                                " domain " + domainURI + " and range " + rangeURI); 
+                    }
                 }
             }  
         } finally {