diff --git a/api/src/main/java/edu/cornell/mannlib/vitro/webapp/rdfservice/impl/jena/tdb/RDFServiceTDB.java b/api/src/main/java/edu/cornell/mannlib/vitro/webapp/rdfservice/impl/jena/tdb/RDFServiceTDB.java
index 4d0da723b..a600d4dcf 100644
--- a/api/src/main/java/edu/cornell/mannlib/vitro/webapp/rdfservice/impl/jena/tdb/RDFServiceTDB.java
+++ b/api/src/main/java/edu/cornell/mannlib/vitro/webapp/rdfservice/impl/jena/tdb/RDFServiceTDB.java
@@ -95,6 +95,10 @@ public class RDFServiceTDB extends RDFServiceJena {
 		}
 	}
 
+        @Override
+        public boolean preferPreciseOptionals() {
+            return true;
+        }
 
 	@Override
 	public void close() {
diff --git a/home/src/main/resources/config/example.runtime.properties b/home/src/main/resources/config/example.runtime.properties
index 5b37a59a2..3d1d44421 100644
--- a/home/src/main/resources/config/example.runtime.properties
+++ b/home/src/main/resources/config/example.runtime.properties
@@ -70,6 +70,18 @@ VitroConnection.DataSource.dbtype = MySQL
 VitroConnection.DataSource.driver = com.mysql.jdbc.Driver
 VitroConnection.DataSource.validationQuery = SELECT 1
 
+#
+# Include sections between <precise-subquery></precise-subquery>
+# tags when executing 'list view' queries that retrieve data
+# for property lists on profile pages.
+#
+# Including these optional sections does not change the query
+# semantics, but may improve performance.
+#
+# Default is true if not set.
+#
+# listview.usePreciseSubquery = true
+
 #
 # The email address of the root user for the VIVO application. The password
 # for this user is initially set to "rootPassword", but you will be asked to