--- a/heuristics/readme.txt
+++ b/heuristics/readme.txt
@@ -1,1 +1,11 @@
+heuristicResults
+heuristic = BY_DATE...
+value = 0.0
+cnPubDate = 
+lastUpdated = 1/1/1970
+contractNotice =
+agency = 
+supplier =
 
+work out total value by summing value
+