diff --git a/src/main/java/dss/lingvo/samples/TT2HFLTSCoordinator.java b/src/main/java/dss/lingvo/samples/TT2HFLTSCoordinator.java
index 2a9e5a9..bf206b4 100644
--- a/src/main/java/dss/lingvo/samples/TT2HFLTSCoordinator.java
+++ b/src/main/java/dss/lingvo/samples/TT2HFLTSCoordinator.java
@@ -115,11 +115,12 @@ private void processMultiLevelAdvancedSample(File inputFile, File outputDirector
 
         // Step 1. Aggregate by abstraction level
         TT2HFLTSMHTWOWAMultiLevelOperator tt2HFLTSMHTWOWAMultiLevelOperator = new TT2HFLTSMHTWOWAMultiLevelOperator();
-        List<ArrayList<ArrayList<TT2HFLTS>>> allByLevel = tt2HFLTSMHTWOWAMultiLevelOperator.aggregateByAbstractionLevel(model.getCriteria(), model.getAbstractionLevels(), all, targetScaleSize);
+        List<ArrayList<ArrayList<TT2HFLTS>>> allByLevel = tt2HFLTSMHTWOWAMultiLevelOperator.aggregateByAbstractionLevel(model.getCriteria(), model.getAbstractionLevels(), all, targetScaleSize, model.getCriteriaWeightsPerGroup());
 
         List<ArrayList<ArrayList<TT2HFLTS>>> allByExpert = tt2HFLTSMHTWOWAMultiLevelOperator.transposeByAbstractionLevel(model.getAbstractionLevels().size(), model.getAlternatives().size(), model.getExperts().size(), allByLevel);
 
-        float[] a = new float[model.getExpertWeightsRule().values().size()];
+        int numExperts = model.getExpertWeightsRule().values().size();
+        float[] a = new float[numExperts];
         float curMax = 0f;
         for (Map.Entry<String, Float> e : model.getExpertWeightsRule().entrySet()) {
             if (e.getKey().equals("1")) {
@@ -128,7 +129,9 @@ private void processMultiLevelAdvancedSample(File inputFile, File outputDirector
             }
         }
         a[0] = curMax;
-        a[1] = 1 - curMax;
+        if (numExperts > 1) {
+            a[1] = 1 - curMax;
+        }
         List<ArrayList<TT2HFLTS>> altToLevel = tt2HFLTSMHTWOWAMultiLevelOperator.aggregateByExpert(model.getAbstractionLevels().size(), model.getAlternatives().size(), 7, allByExpert, a);
 
         List<TT2HFLTS> altVec = tt2HFLTSMHTWOWAMultiLevelOperator.aggregateFinalAltEst(7, altToLevel);
diff --git a/src/main/java/dss/lingvo/t2hflts/multilevel/TT2HFLTSMHTWOWAMultiLevelOperator.java b/src/main/java/dss/lingvo/t2hflts/multilevel/TT2HFLTSMHTWOWAMultiLevelOperator.java
index 3f99b5f..c510082 100644
--- a/src/main/java/dss/lingvo/t2hflts/multilevel/TT2HFLTSMHTWOWAMultiLevelOperator.java
+++ b/src/main/java/dss/lingvo/t2hflts/multilevel/TT2HFLTSMHTWOWAMultiLevelOperator.java
@@ -12,7 +12,11 @@
 import java.util.stream.IntStream;
 
 public class TT2HFLTSMHTWOWAMultiLevelOperator {
-    public List<ArrayList<ArrayList<TT2HFLTS>>> aggregateByAbstractionLevel(Map<String, List<TTCriteriaModel>> criteria, List<TTAbstractionLevelModel> abstractionLevels, List<ArrayList<ArrayList<TT2HFLTS>>> all, int targetScaleSize) {
+    public List<ArrayList<ArrayList<TT2HFLTS>>> aggregateByAbstractionLevel(Map<String, List<TTCriteriaModel>> criteria,
+                                                                            List<TTAbstractionLevelModel> abstractionLevels,
+                                                                            List<ArrayList<ArrayList<TT2HFLTS>>> all,
+                                                                            int targetScaleSize, Map<String,
+            List<Float>> criteriaWeightsPerGroup) {
         List<TTCriteriaModel> orderedCriteria = TTUtils.getOrderedCriteriaList(criteria, abstractionLevels);
         TT2HFLTSMHTWAOperator tt2HFLTSMHTWAOperator = new TT2HFLTSMHTWAOperator();
         List<ArrayList<ArrayList<TT2HFLTS>>> expEstimates = new ArrayList<>();
@@ -36,8 +40,20 @@ public List<ArrayList<ArrayList<TT2HFLTS>>> aggregateByAbstractionLevel(Map<Stri
                     for (int i : indices) {
                         tmp.add(singleAltEst.get(i));
                     }
-                    // weights are currently equal
-                    float[] weights = getEqualWeights(tmp.size());
+
+                    float[] weights;
+                    if (criteriaWeightsPerGroup == null ||
+                            criteriaWeightsPerGroup.get(ttAbstractionLevelModel.getAbstractionLevelID()) == null) {
+                        // weights are equal if not set in JSON
+                        weights = getEqualWeights(tmp.size());
+                    } else {
+                        List<Float> jsonWeights = criteriaWeightsPerGroup.get(ttAbstractionLevelModel.getAbstractionLevelID());
+                        weights = new float[jsonWeights.size()];
+                        int i = 0;
+                        for (Float f : jsonWeights) {
+                            weights[i++] = (f != null ? f : Float.NaN);
+                        }
+                    }
                     TT2HFLTS aggRes = tt2HFLTSMHTWAOperator.calculate(tmp, weights, targetScaleSize);
                     levelEstimates.add(aggRes);
                 }
diff --git a/src/main/java/dss/lingvo/utils/TTUtils.java b/src/main/java/dss/lingvo/utils/TTUtils.java
index 7fb3ec2..ee64dae 100644
--- a/src/main/java/dss/lingvo/utils/TTUtils.java
+++ b/src/main/java/dss/lingvo/utils/TTUtils.java
@@ -1,6 +1,5 @@
 package dss.lingvo.utils;
 
-import dss.lingvo.hflts.TTHFLTS;
 import dss.lingvo.t2.TTNormalizedTranslator;
 import dss.lingvo.t2.TTTuple;
 import dss.lingvo.t2hflts.TT2HFLTS;
@@ -250,7 +249,10 @@ private static float calculatePredessorsWeightsSum(float firstWeight, int curren
 
     public static List<ArrayList<ArrayList<TT2HFLTS>>> getAllEstimationsFromMultiLevelJSONModel(TTJSONMultiLevelInputModel ttjsonModel, int targetScaleSize) {
         Map<String, List<TTExpertEstimationsModel>> estimations = ttjsonModel.getEstimations();
-        Map<String, Integer> averages = getAverageForEachNumericCriterion(estimations);
+        Map<String, Double> averages = getAverageForEachNumericCriterion(
+                estimations,
+                ttjsonModel.getCriteria(),
+                ttjsonModel.getScales());
         Map<String, List<TTCriteriaModel>> criteria = ttjsonModel.getCriteria();
         List<TTAbstractionLevelModel> levels = ttjsonModel.getAbstractionLevels();
         List<ArrayList<ArrayList<TT2HFLTS>>> expertsEstimationsList = new ArrayList<>();
@@ -274,16 +276,34 @@ public static List<ArrayList<ArrayList<TT2HFLTS>>> getAllEstimationsFromMultiLev
                                 .orElse(null);
 
                         TT2HFLTS res;
-                        if (critEst.getQualitative()) {
+                        TTCriteriaModel criterion = getCriterion(criteriaModel.getCriteriaID(), criteria);
+                        TTScaleModel scale = getScale(critEst.getScaleID(), ttjsonModel.getScales());
+
+                        if (isQualitativeAssessment(criterion, critEst) &&
+                                !isCrispQualitativeAssessment(scale)) {
                             // transform it to 2tuple as usual linguistic info
                             res = transformToTTHFLTS(ttjsonModel.getScales(), critEst.getScaleID(), critEst.getEstimation());
                         } else {
                             // transform numeric to tuple and then to TTHFLTS
-                            // however, first of all we need to normalize the values
-                            float numericEstimation = Integer.parseInt(critEst.getEstimation().get(0)) / ((float) averages.get(critEst.getCriteriaID()));
-                            List<Float> fSet = TTNormalizedTranslator.getInstance().getFuzzySetForNumericEstimation(numericEstimation, targetScaleSize);
-                            float resTranslation = TTNormalizedTranslator.getInstance().getTranslationFromFuzzySet(fSet);
-                            TTTuple resTuple = TTNormalizedTranslator.getInstance().getTTupleForNumericTranslation(resTranslation, targetScaleSize);
+                            // however, first we need to normalize the values
+                            Float valueToRemember;
+                            if (isQualitativeAssessment(criterion, critEst) && isCrispQualitativeAssessment(scale)) {
+                                // transform it to number according to the specified mapping
+                                valueToRemember = findReplacingCrispLinguisticValue(
+                                        critEst.getEstimation().get(0),
+                                        scale);
+                            } else {
+                                valueToRemember = Float.parseFloat(critEst.getEstimation().get(0));
+                            }
+
+                            TTNormalizedTranslator translator = TTNormalizedTranslator.getInstance();
+
+                            float numericEstimation = valueToRemember / (averages.get(critEst.getCriteriaID()).floatValue());
+
+                            List<Float> fSet = translator.getFuzzySetForNumericEstimation(numericEstimation, targetScaleSize);
+                            float resTranslation = translator.getTranslationFromFuzzySet(fSet);
+                            TTTuple resTuple = translator.getTTupleForNumericTranslation(resTranslation, targetScaleSize);
+
                             List<TTTuple> tmpL = new ArrayList<>();
                             tmpL.add(resTuple);
                             res = new TT2HFLTS(tmpL);
@@ -298,29 +318,93 @@ public static List<ArrayList<ArrayList<TT2HFLTS>>> getAllEstimationsFromMultiLev
         return expertsEstimationsList;
     }
 
-    private static Map<String, Integer> getAverageForEachNumericCriterion(Map<String, List<TTExpertEstimationsModel>> estimationsMap) {
-        Map<String, List<Integer>> averages = new TreeMap<>();
-        Map<String, Integer> sumFinal = new TreeMap<>();
+    private static Map<String, Double> getAverageForEachNumericCriterion(
+            Map<String, List<TTExpertEstimationsModel>> estimationsMap,
+            Map<String, List<TTCriteriaModel>> criteria,
+            List<TTScaleModel> scales
+    ) {
+        Map<String, List<Float>> averages = new TreeMap<>();
         for (Map.Entry<String, List<TTExpertEstimationsModel>> entry : estimationsMap.entrySet()) {
             for (TTExpertEstimationsModel ttExpertEstimationsModel : entry.getValue()) {
                 for (TTCriteriaEstimationsModel ttCriteriaEstimationsModel : ttExpertEstimationsModel.getCriteria2Estimation()) {
-                    if (!ttCriteriaEstimationsModel.getQualitative()) {
-                        List<Integer> averList = averages.get(ttCriteriaEstimationsModel.getCriteriaID());
-                        if (averList == null) {
-                            averList = new ArrayList<>();
-                        }
-                        averList.add(Integer.parseInt(ttCriteriaEstimationsModel.getEstimation().get(0)));
-                        averages.put(ttCriteriaEstimationsModel.getCriteriaID(), averList);
+                    TTCriteriaModel criterion = getCriterion(ttCriteriaEstimationsModel.getCriteriaID(), criteria);
+                    TTScaleModel scale = getScale(ttCriteriaEstimationsModel.getScaleID(), scales);
+
+                    if (isQualitativeAssessment(criterion, ttCriteriaEstimationsModel) &&
+                            !isCrispQualitativeAssessment(scale)) {
+                        // this is a 2-tuple that needs different pre-processing
+                        continue;
                     }
+
+                    List<Float> averList = averages.get(ttCriteriaEstimationsModel.getCriteriaID());
+                    if (averList == null) {
+                        averList = new ArrayList<>();
+                    }
+
+                    Float valueToRemember;
+                    if (scale != null && scale.getValues() != null) {
+                        // this is a linguistic variable that has to be replaced with a numeric value
+                        valueToRemember = findReplacingCrispLinguisticValue(
+                                ttCriteriaEstimationsModel.getEstimation().get(0),
+                                scale);
+                    } else {
+                        // this is a numeric value that should be parsed from string
+                        valueToRemember = Float.parseFloat(ttCriteriaEstimationsModel.getEstimation().get(0));
+                    }
+
+                    averList.add(valueToRemember);
+
+                    averages.put(ttCriteriaEstimationsModel.getCriteriaID(), averList);
                 }
 
             }
         }
-        for (Map.Entry<String, List<Integer>> entry : averages.entrySet()) {
-            sumFinal.put(entry.getKey(), entry.getValue().stream().mapToInt(Integer::intValue).sum());
+
+        Map<String, Double> sumFinal = new TreeMap<>();
+        for (Map.Entry<String, List<Float>> entry : averages.entrySet()) {
+            double normalized_value = Math.sqrt(entry.getValue().stream().mapToDouble(e -> Math.pow(e, 2)).sum());
+            sumFinal.put(entry.getKey(), normalized_value);
         }
         return sumFinal;
+    }
+
+    private static TTCriteriaModel getCriterion(String criterionID, Map<String, List<TTCriteriaModel>> criteria) {
+        for (Map.Entry<String, List<TTCriteriaModel>> entry : criteria.entrySet()) {
+            for (TTCriteriaModel criteriaModel : entry.getValue()) {
+                if (criteriaModel.getCriteriaID().equals(criterionID)) {
+                    return criteriaModel;
+                }
+            }
+        }
+        return null;
+    }
+
+    private static TTScaleModel getScale(String scaleID, List<TTScaleModel> scales) {
+        for (TTScaleModel scaleModel : scales) {
+            if (scaleModel.getScaleID().equals(scaleID)) {
+                return scaleModel;
+            }
+        }
+        return null;
+    }
+
+    private static Float findReplacingCrispLinguisticValue(String label, TTScaleModel scale) {
+        return scale.getValues().get(scale.getLabels().indexOf(label));
+    }
+
+    private static boolean isQualitativeAssessment(TTCriteriaModel criterion,
+                                                   TTCriteriaEstimationsModel ttCriteriaEstimationsModel) {
+        // in new format qualitative flag is described in criteria
+        if (criterion != null && criterion.isQualitative()) {
+            return true;
+        }
+        // in old format qualitative flag is described in each assessment
+        return ttCriteriaEstimationsModel.getQualitative();
+    }
 
+    private static boolean isCrispQualitativeAssessment(TTScaleModel scale) {
+        // in new format qualitative flag is described in criteria
+        return scale != null && scale.getValues() != null;
     }
 
     public static List<TTCriteriaModel> getOrderedCriteriaList(Map<String, List<TTCriteriaModel>> criteria,
diff --git a/src/main/java/dss/lingvo/utils/models/input/TTCriteriaModel.java b/src/main/java/dss/lingvo/utils/models/input/TTCriteriaModel.java
index 49899a0..d8f262a 100644
--- a/src/main/java/dss/lingvo/utils/models/input/TTCriteriaModel.java
+++ b/src/main/java/dss/lingvo/utils/models/input/TTCriteriaModel.java
@@ -4,6 +4,8 @@ public class TTCriteriaModel {
     private String criteriaID;
     private String criteriaName;
     private boolean qualitative;
+    private boolean isBenefit;
+    private String units;
 
     public String getCriteriaID() {
         return criteriaID;
@@ -28,4 +30,20 @@ public boolean isQualitative() {
     public void setQualitative(boolean qualitative) {
         this.qualitative = qualitative;
     }
+
+    public String getUnits() {
+        return units;
+    }
+
+    public void setUnits(String units) {
+        this.units = units;
+    }
+
+    public boolean isBenefit() {
+        return isBenefit;
+    }
+
+    public void setBenefit(boolean isBenefit) {
+        this.isBenefit = isBenefit;
+    }
 }
diff --git a/src/main/java/dss/lingvo/utils/models/input/TTScaleModel.java b/src/main/java/dss/lingvo/utils/models/input/TTScaleModel.java
index db03f80..0410399 100644
--- a/src/main/java/dss/lingvo/utils/models/input/TTScaleModel.java
+++ b/src/main/java/dss/lingvo/utils/models/input/TTScaleModel.java
@@ -6,6 +6,7 @@ public class TTScaleModel {
     private String scaleID;
     private String scaleName;
     private List<String> labels;
+    private List<Float> values;
 
     public List<String> getLabels() {
         return labels;
@@ -30,4 +31,12 @@ public String getScaleID() {
     public void setScaleID(String scaleID) {
         this.scaleID = scaleID;
     }
+
+    public List<Float> getValues() {
+        return values;
+    }
+
+    public void setValues(List<Float> values) {
+        this.values = values;
+    }
 }
diff --git a/src/main/java/dss/lingvo/utils/models/input/common/TTCommonInputModel.java b/src/main/java/dss/lingvo/utils/models/input/common/TTCommonInputModel.java
index 7bea906..730eadd 100644
--- a/src/main/java/dss/lingvo/utils/models/input/common/TTCommonInputModel.java
+++ b/src/main/java/dss/lingvo/utils/models/input/common/TTCommonInputModel.java
@@ -17,6 +17,8 @@ public class TTCommonInputModel {
     private Map<String, Float> abstractionLevelWeights;
     @JsonProperty("expertWeightsRule")
     private Map<String, Float> expertWeightsRule;
+    @JsonProperty("criteriaWeightsPerGroup")
+    private Map<String, List<Float> > criteriaWeightsPerGroup;
 
     public List<TTAlternativeModel> getAlternatives() {
         return alternatives;
@@ -73,4 +75,12 @@ public Map<String, Float> getExpertWeightsRule() {
     public void setExpertWeightsRule(Map<String, Float> expertWeightsRule) {
         this.expertWeightsRule = expertWeightsRule;
     }
+
+    public Map<String, List<Float>> getCriteriaWeightsPerGroup() {
+        return criteriaWeightsPerGroup;
+    }
+
+    public void setCriteriaWeightsPerGroup(Map<String, List<Float>>criteriaWeightsPerGroup) {
+        this.criteriaWeightsPerGroup = criteriaWeightsPerGroup;
+    }
 }
diff --git a/src/main/resources/description_multilevel.json b/src/main/resources/description_multilevel.json
index 5c9fb01..0cec03e 100644
--- a/src/main/resources/description_multilevel.json
+++ b/src/main/resources/description_multilevel.json
@@ -121,7 +121,7 @@
       {
         "criteriaID": "К.ЭТУА.2",
         "criteriaName": "Справедливость с точки зрения рабочих",
-        "qualitative": true
+        "qualitative": false
       }
     ],
     "aesthetics": [
diff --git a/src/test/java/dss/lingvo/t2hflts/multilevel/TT2HFLTSMHTWOWAMultiLevelOperatorTest.java b/src/test/java/dss/lingvo/t2hflts/multilevel/TT2HFLTSMHTWOWAMultiLevelOperatorTest.java
index 62a722e..7098303 100644
--- a/src/test/java/dss/lingvo/t2hflts/multilevel/TT2HFLTSMHTWOWAMultiLevelOperatorTest.java
+++ b/src/test/java/dss/lingvo/t2hflts/multilevel/TT2HFLTSMHTWOWAMultiLevelOperatorTest.java
@@ -41,7 +41,7 @@ public static void runOnceBeforeClass() throws IOException {
                 .aggregateByAbstractionLevel(model.getCriteria(),
                         model.getAbstractionLevels(),
                         all,
-                        targetScaleSize);
+                        targetScaleSize, model.getCriteriaWeightsPerGroup());
 
         allByExpert = tt2HFLTSMHTWOWAMultiLevelOperator
                 .transposeByAbstractionLevel(model.getAbstractionLevels().size(),
@@ -66,7 +66,7 @@ public void testAggregateByAbstractionLevel(){
         assertEquals(26, allByLevel.get(0).size());
         assertEquals(8, allByLevel.get(0).get(0).size());
         ArrayList<TTTuple> tmp = new ArrayList<>();
-        tmp.add(new TTTuple("p",7,0.17411518f,1));
+        tmp.add(new TTTuple("p",7,0.25560308f,1));
 
         TT2HFLTS myHFLTS1 = new TT2HFLTS(tmp);
         assertEquals(myHFLTS1, allByLevel.get(0).get(0).get(0));
@@ -79,7 +79,7 @@ public void testAggregateByExpert(){
         assertEquals(26, altToLevel.size());
         assertEquals(8, altToLevel.get(0).size());
         ArrayList<TTTuple> tmp = new ArrayList<>();
-        tmp.add(new TTTuple("p",7,0.17411518f,1));
+        tmp.add(new TTTuple("p",7,0.25560308f,1));
 
         TT2HFLTS myHFLTS1 = new TT2HFLTS(tmp);
         assertEquals(myHFLTS1, allByLevel.get(0).get(0).get(0));
@@ -93,7 +93,7 @@ public void testTransposeByAbstractionLevel(){
         assertEquals(26, allByExpert.get(0).size());
         assertEquals(7, allByExpert.get(0).get(0).size());
         ArrayList<TTTuple> tmp = new ArrayList<>();
-        tmp.add(new TTTuple("p",7,0.17411518f,1));
+        tmp.add(new TTTuple("p",7,0.25560308f,1));
 
         TT2HFLTS myHFLTS1 = new TT2HFLTS(tmp);
         assertEquals(myHFLTS1, allByExpert.get(0).get(0).get(0));
@@ -105,7 +105,7 @@ public void testAggregateFinalAltEst(){
 
         assertEquals(26, altVec.size());
         ArrayList<TTTuple> tmp = new ArrayList<>();
-        tmp.add(new TTTuple("p",7,0.17411518f,1));
+        tmp.add(new TTTuple("p",7,0.25560308f,1));
 
         TT2HFLTS myHFLTS1 = new TT2HFLTS(tmp);
         assertEquals(myHFLTS1, allByExpert.get(0).get(0).get(0));