Index: bidspace/src/test/resources/7issues/7issues1.json
===================================================================
--- bidspace/src/test/resources/7issues/7issues1.json	(revision 52)
+++ bidspace/src/test/resources/7issues/7issues1.json	(revision 1)
@@ -4,57 +4,64 @@
 		"issueUtilities": {
 			"i1": {
-				"NumberValueSetUtilities": {
+				"numberutils": {
 					"lowValue": 0,
 					"lowUtility": 0.11,
 					"highValue": 9,
 					"highUtility": 0.99
+
 				}
 			},
 			"i2": {
-				"NumberValueSetUtilities": {
+				"numberutils": {
 					"lowValue": 0,
 					"lowUtility": 0.12,
 					"highValue": 9,
 					"highUtility": 0.97
+
 				}
 			},
 			"i3": {
-				"NumberValueSetUtilities": {
+				"numberutils": {
 					"lowValue": 0,
 					"lowUtility": 0.13,
 					"highValue": 9,
 					"highUtility": 0.96
+
 				}
 			},
 			"i4": {
-				"NumberValueSetUtilities": {
+				"numberutils": {
 					"lowValue": 0,
 					"lowUtility": 0.14,
 					"highValue": 9,
 					"highUtility": 0.94
+
 				}
 			},
 			"i5": {
-				"NumberValueSetUtilities": {
+				"numberutils": {
 					"lowValue": 0,
 					"lowUtility": 0.15,
 					"highValue": 9,
 					"highUtility": 0.93
+
 				}
 			},
 			"i6": {
-				"NumberValueSetUtilities": {
+				"numberutils": {
 					"lowValue": 0,
 					"lowUtility": 0.16,
 					"highValue": 9,
 					"highUtility": 0.92
+
 				}
 			},
 			"i7": {
-				"NumberValueSetUtilities": {
+				"numberutils": {
 					"lowValue": 0,
 					"lowUtility": 0.16,
 					"highValue": 9,
 					"highUtility": 0.91
+
 				}
 			}
@@ -73,23 +80,23 @@
 			"issuesValues": {
 				"i1": {
-					"range": {"low":0,"high":9,"step":1} 
+					"range": ["0", "9", "1"]
 				},
 				"i2": {
-					"range": {"low":0,"high":9,"step":1} 
+					"range": ["0", "9", "1"]
 				},
 				"i3": {
-					"range": {"low":0,"high":9,"step":1} 
+					"range": ["0", "9", "1"]
 				},
 				"i4": {
-					"range": {"low":0,"high":9,"step":1} 
+					"range": ["0", "9", "1"]
 				},
 				"i5": {
-					"range": {"low":0,"high":9,"step":1} 
+					"range": ["0", "9", "1"]
 				},
 				"i6": {
-					"range": {"low":0,"high":9,"step":1} 
+					"range": ["0", "9", "1"]
 				},
 				"i7": {
-					"range": {"low":0,"high":9,"step":1} 
+					"range": ["0", "9", "1"]
 				}
 			}
Index: bidspace/src/test/resources/7issues/7issues2.json
===================================================================
--- bidspace/src/test/resources/7issues/7issues2.json	(revision 52)
+++ bidspace/src/test/resources/7issues/7issues2.json	(revision 1)
@@ -4,68 +4,75 @@
 		"issueUtilities": {
 			"i1": {
-				"NumberValueSetUtilities": {
+				"numberutils": {
 					"lowValue": 0,
 					"lowUtility": 0.51,
 					"highValue": 9,
 					"highUtility": 0.11
+
 				}
 			},
 			"i2": {
-				"NumberValueSetUtilities": {
+				"numberutils": {
 					"lowValue": 0,
 					"lowUtility": 0.92,
 					"highValue": 9,
 					"highUtility": 0.21
+
 				}
 			},
 			"i3": {
-				"NumberValueSetUtilities": {
+				"numberutils": {
 					"lowValue": 0,
 					"lowUtility": 0.93,
 					"highValue": 9,
 					"highUtility": 0.13
+
 				}
 			},
 			"i4": {
-				"NumberValueSetUtilities": {
+				"numberutils": {
 					"lowValue": 0,
 					"lowUtility": 0.94,
 					"highValue": 9,
 					"highUtility": 0.14
+
 				}
 			},
 			"i5": {
-				"NumberValueSetUtilities": {
+				"numberutils": {
 					"lowValue": 0,
 					"lowUtility": 0.95,
 					"highValue": 9,
 					"highUtility": 0.15
+
 				}
 			},
 			"i6": {
-				"NumberValueSetUtilities": {
+				"numberutils": {
 					"lowValue": 0,
 					"lowUtility": 0.96,
 					"highValue": 9,
 					"highUtility": 0.16
+
 				}
 			},
 			"i7": {
-				"NumberValueSetUtilities": {
+				"numberutils": {
 					"lowValue": 0,
 					"lowUtility": 0.97,
 					"highValue": 9,
 					"highUtility": 0.17
+
 				}
 			}
 		},
 		"issueWeights": {
-			"i1": 0.24746,
-			"i2": 0.118241,
-			"i3": 0.186047,
-			"i4": 0.206295,
-			"i5": 0.161126,
+			"i1": 0.24745759773026107,
+			"i2": 0.11824193959921694,
+			"i3": 0.1860471425098606,
+			"i4": 0.20629555826677742,
+			"i5": 0.16112666189388397,
 			"i6": 0.0538874,
-			"i7": 0.0269436
+			"i7": 0.0269437
 		},
 		"domain": {
@@ -73,23 +80,23 @@
 			"issuesValues": {
 				"i1": {
-					"range": {"low":0,"high":9,"step":1} 
+					"range": ["0", "9", "1"]
 				},
 				"i2": {
-					"range": {"low":0,"high":9,"step":1} 
+					"range": ["0", "9", "1"]
 				},
 				"i3": {
-					"range": {"low":0,"high":9,"step":1} 
+					"range": ["0", "9", "1"]
 				},
 				"i4": {
-					"range": {"low":0,"high":9,"step":1} 
+					"range": ["0", "9", "1"]
 				},
 				"i5": {
-					"range": {"low":0,"high":9,"step":1} 
+					"range": ["0", "9", "1"]
 				},
 				"i6": {
-					"range": {"low":0,"high":9,"step":1} 
+					"range": ["0", "9", "1"]
 				},
 				"i7": {
-					"range": {"low":0,"high":9,"step":1} 
+					"range": ["0", "9", "1"]
 				}
 			}
