diff --git a/Ontologies/inws-all3ontologies.owl b/Ontologies/inws-all3ontologies.owl
index 2b59843..d9417af 100644
--- a/Ontologies/inws-all3ontologies.owl
+++ b/Ontologies/inws-all3ontologies.owl
@@ -8,7 +8,6 @@
     xmlns:twcp="http://escience.rpi.edu/ontology/semanteco/2/0/pollution.owl#"
     xmlns:swrlb="http://www.w3.org/2003/11/swrlb#"
     xmlns:temporal="http://swrl.stanford.edu/ontologies/built-ins/3.3/temporal.owl#"
-    xmlns:elem="http://sweet.jpl.nasa.gov/2.1/matrElement.owl#"
     xmlns:twcc="http://tw2.tw.rpi.edu/zhengj3/owl/epa.owl#"
     xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#"
     xmlns:p2="file:/C:/d2rq-0.8.1/Final.owl#"
@@ -24,7 +23,6 @@
     xmlns:owl="http://www.w3.org/2002/07/owl#"
     xmlns:sqwrl="http://sqwrl.stanford.edu/ontologies/built-ins/3.4/sqwrl.owl#"
     xmlns:swrl="http://www.w3.org/2003/11/swrl#"
-    xmlns:body="http://sweet.jpl.nasa.gov/2.1/realmHydroBody.owl#"
     xmlns:rdfs="http://www.w3.org/2000/01/rdf-schema#"
     xmlns:ssn="http://purl.oclc.org/NET/ssnx/ssn#"
     xmlns:swrla="http://swrl.stanford.edu/ontologies/3.3/swrla.owl#"
@@ -178,14 +176,14 @@
       <owl:Class rdf:ID="WaterQuality_MeasurementCapability"/>
     </rdfs:subClassOf>
   </owl:Class>
-  <owl:Class rdf:about="http://sweet.jpl.nasa.gov/2.1/realmHydroBody.owl#River">
+  <owl:Class rdf:about="http://sweetontology.net/realmHydroBody/River">
     <rdfs:subClassOf>
-      <owl:Class rdf:about="http://sweet.jpl.nasa.gov/2.1/realmHydroBody.owl#BodyOfWater"/>
+      <owl:Class rdf:about="http://sweetontology.net/realmHydroBody/BodyOfWater"/>
     </rdfs:subClassOf>
     <rdfs:subClassOf>
       <owl:Restriction>
         <owl:someValuesFrom>
-          <owl:Class rdf:about="http://sweet.jpl.nasa.gov/2.1/realmHydroBody.owl#Basin"/>
+          <owl:Class rdf:about="http://sweetontology.net/realmHydroBody/Basin"/>
         </owl:someValuesFrom>
         <owl:onProperty>
           <owl:ObjectProperty rdf:ID="hasBasin"/>
@@ -287,13 +285,13 @@
       <owl:Restriction>
         <owl:onProperty rdf:resource="#hasBasin"/>
         <owl:someValuesFrom>
-          <owl:Class rdf:about="http://sweet.jpl.nasa.gov/2.1/realmHydroBody.owl#Basin"/>
+          <owl:Class rdf:about="http://sweetontology.net/realmHydroBody/Basin"/>
         </owl:someValuesFrom>
       </owl:Restriction>
     </rdfs:subClassOf>
     <rdfs:subClassOf>
       <owl:Restriction>
-        <owl:someValuesFrom rdf:resource="http://sweet.jpl.nasa.gov/2.1/realmHydroBody.owl#River"/>
+        <owl:someValuesFrom rdf:resource="http://sweetontology.net/realmHydroBody/River"/>
         <owl:onProperty>
           <owl:ObjectProperty rdf:ID="hasRiver"/>
         </owl:onProperty>
@@ -347,7 +345,7 @@
       <owl:Class rdf:about="http://tw2.tw.rpi.edu/zhengj3/owl/epa.owl#PollutedThing"/>
     </rdfs:subClassOf>
     <rdfs:subClassOf>
-      <owl:Class rdf:about="http://sweet.jpl.nasa.gov/2.1/realmHydroBody.owl#BodyOfWater"/>
+      <owl:Class rdf:about="http://sweetontology.net/realmHydroBody/BodyOfWater"/>
     </rdfs:subClassOf>
   </owl:Class>
   <owl:Class rdf:ID="DrinkingWaterQuality">
@@ -422,7 +420,7 @@
   <owl:Class rdf:ID="SensingNodeLocation">
     <rdfs:subClassOf>
       <owl:Restriction>
-        <owl:someValuesFrom rdf:resource="http://sweet.jpl.nasa.gov/2.1/realmHydroBody.owl#River"/>
+        <owl:someValuesFrom rdf:resource="http://sweetontology.net/realmHydroBody/River"/>
         <owl:onProperty>
           <owl:ObjectProperty rdf:ID="isMeasurementSiteOf"/>
         </owl:onProperty>
@@ -560,7 +558,7 @@
   <owl:Class rdf:about="http://escience.rpi.edu/ontology/semanteco/2/0/pollution.owl#PollutedSIte">
     <rdfs:subClassOf>
       <owl:Restriction>
-        <owl:someValuesFrom rdf:resource="http://sweet.jpl.nasa.gov/2.1/realmHydroBody.owl#River"/>
+        <owl:someValuesFrom rdf:resource="http://sweetontology.net/realmHydroBody/River"/>
         <owl:onProperty rdf:resource="#isMeasurementSiteOf"/>
       </owl:Restriction>
     </rdfs:subClassOf>
@@ -623,7 +621,7 @@
       <owl:Class rdf:about="http://www.loa-cnr.it/ontologies/DUL.owl#Parameter"/>
     </rdfs:subClassOf>
   </owl:Class>
-  <owl:Class rdf:about="http://sweet.jpl.nasa.gov/2.1/realmHydroBody.owl#BodyOfWater">
+  <owl:Class rdf:about="http://sweetontology.net/realmHydroBody/BodyOfWater">
     <rdfs:subClassOf>
       <owl:Restriction>
         <owl:onProperty>
@@ -662,7 +660,7 @@
     <rdfs:subClassOf rdf:resource="http://www.loa-cnr.it/ontologies/DUL.owl#Event"/>
     <owl:equivalentClass rdf:resource="http://purl.oclc.org/NET/ssnx/ssn#Stimulus"/>
   </owl:Class>
-  <owl:Class rdf:about="http://sweet.jpl.nasa.gov/2.1/matrElement.owl#ChemicalElement">
+  <owl:Class rdf:about="http://sweetontology.net/matrElement/ChemicalElement">
     <rdfs:subClassOf>
       <owl:Class rdf:about="http://tw2.tw.rpi.edu/zhengj3/owl/epa.owl#Element"/>
     </rdfs:subClassOf>
@@ -1172,7 +1170,7 @@
       </owl:Restriction>
     </rdfs:subClassOf>
   </owl:Class>
-  <owl:Class rdf:about="http://sweet.jpl.nasa.gov/2.1/realmHydroBody.owl#Basin">
+  <owl:Class rdf:about="http://sweetontology.net/realmHydroBody/Basin">
     <rdfs:subClassOf>
       <owl:Restriction>
         <owl:someValuesFrom rdf:resource="#Municipality"/>
@@ -1210,7 +1208,7 @@
   <owl:Class rdf:about="http://tw2.tw.rpi.edu/zhengj3/owl/epa.owl#MeasurementSite">
     <rdfs:subClassOf>
       <owl:Restriction>
-        <owl:someValuesFrom rdf:resource="http://sweet.jpl.nasa.gov/2.1/realmHydroBody.owl#River"/>
+        <owl:someValuesFrom rdf:resource="http://sweetontology.net/realmHydroBody/River"/>
         <owl:onProperty rdf:resource="#isMeasurementSiteOf"/>
       </owl:Restriction>
     </rdfs:subClassOf>
@@ -1218,7 +1216,7 @@
     <rdfs:subClassOf>
       <owl:Class rdf:about="http://www.loa-cnr.it/ontologies/DUL.owl#SpaceRegion"/>
     </rdfs:subClassOf>
-    <rdfs:subClassOf rdf:resource="http://sweet.jpl.nasa.gov/2.1/realmHydroBody.owl#BodyOfWater"/>
+    <rdfs:subClassOf rdf:resource="http://sweetontology.net/realmHydroBody/BodyOfWater"/>
   </owl:Class>
   <owl:Class rdf:about="http://tw2.tw.rpi.edu/zhengj3/owl/epa.owl#ExceededThreshold"/>
   <owl:Class rdf:about="http://purl.oclc.org/NET/ssnx/ssn#Property">
@@ -2032,12 +2030,12 @@
     <rdfs:domain rdf:resource="http://www.w3.org/2003/01/geo/wgs84_pos#Point"/>
     <rdfs:domain>
       <owl:Restriction>
-        <owl:someValuesFrom rdf:resource="http://sweet.jpl.nasa.gov/2.1/realmHydroBody.owl#River"/>
+        <owl:someValuesFrom rdf:resource="http://sweetontology.net/realmHydroBody/River"/>
         <owl:onProperty rdf:resource="#isMeasurementSiteOf"/>
       </owl:Restriction>
     </rdfs:domain>
     <rdfs:domain rdf:resource="http://tw2.tw.rpi.edu/zhengj3/owl/epa.owl#MeasurementSite"/>
-    <rdfs:domain rdf:resource="http://sweet.jpl.nasa.gov/2.1/realmHydroBody.owl#BodyOfWater"/>
+    <rdfs:domain rdf:resource="http://sweetontology.net/realmHydroBody/BodyOfWater"/>
     <rdfs:domain rdf:resource="http://www.loa-cnr.it/ontologies/DUL.owl#SpaceRegion"/>
     <rdfs:subPropertyOf>
       <owl:DatatypeProperty rdf:about="http://www.loa-cnr.it/ontologies/DUL.owl#hasDataValue"/>
@@ -2074,11 +2072,11 @@
     <rdfs:domain rdf:resource="#SensingNodeLocation"/>
     <rdfs:domain rdf:resource="http://purl.oclc.org/NET/ssnx/ssn#Region"/>
     <rdfs:domain rdf:resource="http://www.loa-cnr.it/ontologies/DUL.owl#SpaceRegion"/>
-    <rdfs:domain rdf:resource="http://sweet.jpl.nasa.gov/2.1/realmHydroBody.owl#BodyOfWater"/>
+    <rdfs:domain rdf:resource="http://sweetontology.net/realmHydroBody/BodyOfWater"/>
     <rdfs:domain rdf:resource="http://tw2.tw.rpi.edu/zhengj3/owl/epa.owl#MeasurementSite"/>
     <rdfs:domain>
       <owl:Restriction>
-        <owl:someValuesFrom rdf:resource="http://sweet.jpl.nasa.gov/2.1/realmHydroBody.owl#River"/>
+        <owl:someValuesFrom rdf:resource="http://sweetontology.net/realmHydroBody/River"/>
         <owl:onProperty rdf:resource="#isMeasurementSiteOf"/>
       </owl:Restriction>
     </rdfs:domain>
@@ -2106,7 +2104,7 @@
   </owl:Restriction>
   <owl:Restriction>
     <owl:onProperty rdf:resource="#hasBasin"/>
-    <owl:someValuesFrom rdf:resource="http://sweet.jpl.nasa.gov/2.1/realmHydroBody.owl#Basin"/>
+    <owl:someValuesFrom rdf:resource="http://sweetontology.net/realmHydroBody/Basin"/>
   </owl:Restriction>
   <owl:Restriction>
     <owl:onProperty rdf:resource="http://purl.oclc.org/NET/ssnx/ssn#hasProperty"/>
@@ -2114,7 +2112,7 @@
   </owl:Restriction>
   <owl:Restriction>
     <owl:onProperty rdf:resource="#isMeasurementSiteOf"/>
-    <owl:someValuesFrom rdf:resource="http://sweet.jpl.nasa.gov/2.1/realmHydroBody.owl#River"/>
+    <owl:someValuesFrom rdf:resource="http://sweetontology.net/realmHydroBody/River"/>
   </owl:Restriction>
   <owl:Restriction>
     <owl:minCardinality rdf:datatype="http://www.w3.org/2001/XMLSchema#int"
@@ -2143,7 +2141,7 @@
     <owl:allValuesFrom rdf:resource="#WaterFeature"/>
   </owl:Restriction>
   <owl:Restriction>
-    <owl:someValuesFrom rdf:resource="http://sweet.jpl.nasa.gov/2.1/realmHydroBody.owl#Basin"/>
+    <owl:someValuesFrom rdf:resource="http://sweetontology.net/realmHydroBody/Basin"/>
     <owl:onProperty rdf:resource="#hasBasin"/>
   </owl:Restriction>
   <owl:Restriction>
@@ -2171,7 +2169,7 @@
     <owl:onProperty rdf:resource="http://purl.oclc.org/NET/ssnx/ssn#sensingMethodUsed"/>
   </owl:Restriction>
   <owl:Restriction>
-    <owl:someValuesFrom rdf:resource="http://sweet.jpl.nasa.gov/2.1/realmHydroBody.owl#Basin"/>
+    <owl:someValuesFrom rdf:resource="http://sweetontology.net/realmHydroBody/Basin"/>
     <owl:onProperty rdf:resource="#hasBasin"/>
   </owl:Restriction>
   <owl:Restriction>
@@ -2202,7 +2200,7 @@
     <owl:allValuesFrom rdf:resource="http://purl.oclc.org/NET/ssnx/ssn#Property"/>
   </owl:Restriction>
   <owl:Restriction>
-    <owl:someValuesFrom rdf:resource="http://sweet.jpl.nasa.gov/2.1/realmHydroBody.owl#River"/>
+    <owl:someValuesFrom rdf:resource="http://sweetontology.net/realmHydroBody/River"/>
     <owl:onProperty rdf:resource="#hasRiver"/>
   </owl:Restriction>
   <owl:Restriction>
@@ -2214,7 +2212,7 @@
     <owl:onProperty rdf:resource="http://purl.oclc.org/NET/ssnx/ssn#hasProperty"/>
   </owl:Restriction>
   <owl:Restriction>
-    <owl:someValuesFrom rdf:resource="http://sweet.jpl.nasa.gov/2.1/realmHydroBody.owl#River"/>
+    <owl:someValuesFrom rdf:resource="http://sweetontology.net/realmHydroBody/River"/>
     <owl:onProperty rdf:resource="#hasRiver"/>
   </owl:Restriction>
   <owl:Restriction>
@@ -2338,7 +2336,7 @@
     <owl:allValuesFrom rdf:resource="http://purl.oclc.org/NET/ssnx/ssn#Sensing"/>
   </owl:Restriction>
   <owl:Restriction>
-    <owl:someValuesFrom rdf:resource="http://sweet.jpl.nasa.gov/2.1/realmHydroBody.owl#Basin"/>
+    <owl:someValuesFrom rdf:resource="http://sweetontology.net/realmHydroBody/Basin"/>
     <owl:onProperty rdf:resource="#hasBasin"/>
   </owl:Restriction>
   <owl:Restriction>
@@ -2367,7 +2365,7 @@
     <owl:someValuesFrom rdf:resource="#CentralMonitoringNode"/>
   </owl:Restriction>
   <owl:Restriction>
-    <owl:someValuesFrom rdf:resource="http://sweet.jpl.nasa.gov/2.1/realmHydroBody.owl#River"/>
+    <owl:someValuesFrom rdf:resource="http://sweetontology.net/realmHydroBody/River"/>
     <owl:onProperty rdf:resource="#isMeasurementSiteOf"/>
   </owl:Restriction>
   <owl:Restriction>
@@ -2387,7 +2385,7 @@
     <owl:onProperty rdf:resource="#hasSensingNode"/>
   </owl:Restriction>
   <owl:Restriction>
-    <owl:someValuesFrom rdf:resource="http://sweet.jpl.nasa.gov/2.1/realmHydroBody.owl#River"/>
+    <owl:someValuesFrom rdf:resource="http://sweetontology.net/realmHydroBody/River"/>
     <owl:onProperty rdf:resource="#isMeasurementSiteOf"/>
   </owl:Restriction>
   <owl:Restriction>
@@ -2437,7 +2435,7 @@
   </owl:Restriction>
   <owl:Restriction>
     <owl:onProperty rdf:resource="#hasRiver"/>
-    <owl:someValuesFrom rdf:resource="http://sweet.jpl.nasa.gov/2.1/realmHydroBody.owl#River"/>
+    <owl:someValuesFrom rdf:resource="http://sweetontology.net/realmHydroBody/River"/>
   </owl:Restriction>
   <owl:Restriction>
     <owl:onProperty rdf:resource="#hasMeasurementSite"/>
@@ -2570,7 +2568,7 @@
   </owl:Restriction>
   <owl:Restriction>
     <owl:onProperty rdf:resource="#isMeasurementSiteOf"/>
-    <owl:someValuesFrom rdf:resource="http://sweet.jpl.nasa.gov/2.1/realmHydroBody.owl#River"/>
+    <owl:someValuesFrom rdf:resource="http://sweetontology.net/realmHydroBody/River"/>
   </owl:Restriction>
   <owl:Restriction>
     <owl:cardinality rdf:datatype="http://www.w3.org/2001/XMLSchema#int"
@@ -2600,7 +2598,7 @@
   </owl:Restriction>
   <owl:Restriction>
     <owl:onProperty rdf:resource="#hasBasin"/>
-    <owl:someValuesFrom rdf:resource="http://sweet.jpl.nasa.gov/2.1/realmHydroBody.owl#Basin"/>
+    <owl:someValuesFrom rdf:resource="http://sweetontology.net/realmHydroBody/Basin"/>
   </owl:Restriction>
   <owl:Restriction>
     <owl:someValuesFrom rdf:resource="http://purl.oclc.org/NET/ssnx/ssn#Stimulus"/>
@@ -2646,7 +2644,7 @@
     <owl:onProperty rdf:resource="http://purl.oclc.org/NET/ssnx/ssn#observationResultTime"/>
   </owl:Restriction>
   <owl:Restriction>
-    <owl:someValuesFrom rdf:resource="http://sweet.jpl.nasa.gov/2.1/realmHydroBody.owl#River"/>
+    <owl:someValuesFrom rdf:resource="http://sweetontology.net/realmHydroBody/River"/>
     <owl:onProperty rdf:resource="#hasRiver"/>
   </owl:Restriction>
   <owl:Restriction>
@@ -2775,10 +2773,10 @@
   </owl:Restriction>
   <owl:Restriction>
     <owl:onProperty rdf:resource="#isMeasurementSiteOf"/>
-    <owl:someValuesFrom rdf:resource="http://sweet.jpl.nasa.gov/2.1/realmHydroBody.owl#River"/>
+    <owl:someValuesFrom rdf:resource="http://sweetontology.net/realmHydroBody/River"/>
   </owl:Restriction>
   <owl:Restriction>
-    <owl:someValuesFrom rdf:resource="http://sweet.jpl.nasa.gov/2.1/realmHydroBody.owl#River"/>
+    <owl:someValuesFrom rdf:resource="http://sweetontology.net/realmHydroBody/River"/>
     <owl:onProperty rdf:resource="#isMeasurementSiteOf"/>
   </owl:Restriction>
   <owl:Restriction>
@@ -2803,7 +2801,7 @@
     <owl:onProperty rdf:resource="http://purl.oclc.org/NET/ssnx/ssn#observationResult"/>
   </owl:Restriction>
   <owl:Restriction>
-    <owl:someValuesFrom rdf:resource="http://sweet.jpl.nasa.gov/2.1/realmHydroBody.owl#Basin"/>
+    <owl:someValuesFrom rdf:resource="http://sweetontology.net/realmHydroBody/Basin"/>
     <owl:onProperty rdf:resource="#hasBasin"/>
   </owl:Restriction>
   <owl:Restriction>
diff --git a/Ontologies/inws-core.owl b/Ontologies/inws-core.owl
index 4d8b0f2..2fb9752 100644
--- a/Ontologies/inws-core.owl
+++ b/Ontologies/inws-core.owl
@@ -9,7 +9,6 @@
     xmlns:poll="http://inwatersense.uni-pr.edu/ontologies/inws-polluters.owl#"
     xmlns:swrlb="http://www.w3.org/2003/11/swrlb#"
     xmlns:temporal="http://swrl.stanford.edu/ontologies/built-ins/3.3/temporal.owl#"
-    xmlns:elem="http://sweet.jpl.nasa.gov/2.1/matrElement.owl#"
     xmlns:twcc="http://tw2.tw.rpi.edu/zhengj3/owl/epa.owl#"
     xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#"
     xmlns:xsd="http://www.w3.org/2001/XMLSchema#"
@@ -23,7 +22,6 @@
     xmlns:owl="http://www.w3.org/2002/07/owl#"
     xmlns:sqwrl="http://sqwrl.stanford.edu/ontologies/built-ins/3.4/sqwrl.owl#"
     xmlns:swrl="http://www.w3.org/2003/11/swrl#"
-    xmlns:body="http://sweet.jpl.nasa.gov/2.1/realmHydroBody.owl#"
     xmlns:rdfs="http://www.w3.org/2000/01/rdf-schema#"
     xmlns:ssn="http://purl.oclc.org/NET/ssnx/ssn#"
     xmlns:swrla="http://swrl.stanford.edu/ontologies/3.3/swrla.owl#"
@@ -152,9 +150,9 @@
       <owl:Class rdf:ID="WaterQuality_MeasurementCapability"/>
     </rdfs:subClassOf>
   </owl:Class>
-  <owl:Class rdf:about="http://sweet.jpl.nasa.gov/2.1/realmHydroBody.owl#River">
+  <owl:Class rdf:about="http://sweetontology.net/realmHydroBody/River">
     <rdfs:subClassOf>
-      <owl:Class rdf:about="http://sweet.jpl.nasa.gov/2.1/realmHydroBody.owl#BodyOfWater"/>
+      <owl:Class rdf:about="http://sweetontology.net/realmHydroBody/BodyOfWater"/>
     </rdfs:subClassOf>
     <rdfs:subClassOf>
       <owl:Restriction>
@@ -162,7 +160,7 @@
           <owl:ObjectProperty rdf:ID="hasBasin"/>
         </owl:onProperty>
         <owl:someValuesFrom>
-          <owl:Class rdf:about="http://sweet.jpl.nasa.gov/2.1/realmHydroBody.owl#Basin"/>
+          <owl:Class rdf:about="http://sweetontology.net/realmHydroBody/Basin"/>
         </owl:someValuesFrom>
       </owl:Restriction>
     </rdfs:subClassOf>
@@ -260,7 +258,7 @@
     <rdfs:subClassOf>
       <owl:Restriction>
         <owl:someValuesFrom>
-          <owl:Class rdf:about="http://sweet.jpl.nasa.gov/2.1/realmHydroBody.owl#Basin"/>
+          <owl:Class rdf:about="http://sweetontology.net/realmHydroBody/Basin"/>
         </owl:someValuesFrom>
         <owl:onProperty rdf:resource="#hasBasin"/>
       </owl:Restriction>
@@ -270,7 +268,7 @@
         <owl:onProperty>
           <owl:ObjectProperty rdf:ID="hasRiver"/>
         </owl:onProperty>
-        <owl:someValuesFrom rdf:resource="http://sweet.jpl.nasa.gov/2.1/realmHydroBody.owl#River"/>
+        <owl:someValuesFrom rdf:resource="http://sweetontology.net/realmHydroBody/River"/>
       </owl:Restriction>
     </rdfs:subClassOf>
     <rdfs:subClassOf rdf:resource="http://www.w3.org/2002/07/owl#Thing"/>
@@ -321,7 +319,7 @@
       <owl:Class rdf:about="http://tw2.tw.rpi.edu/zhengj3/owl/epa.owl#PollutedThing"/>
     </rdfs:subClassOf>
     <rdfs:subClassOf>
-      <owl:Class rdf:about="http://sweet.jpl.nasa.gov/2.1/realmHydroBody.owl#BodyOfWater"/>
+      <owl:Class rdf:about="http://sweetontology.net/realmHydroBody/BodyOfWater"/>
     </rdfs:subClassOf>
   </owl:Class>
   <owl:Class rdf:ID="DrinkingWaterQuality">
@@ -396,7 +394,7 @@
   <owl:Class rdf:ID="SensingNodeLocation">
     <rdfs:subClassOf>
       <owl:Restriction>
-        <owl:someValuesFrom rdf:resource="http://sweet.jpl.nasa.gov/2.1/realmHydroBody.owl#River"/>
+        <owl:someValuesFrom rdf:resource="http://sweetontology.net/realmHydroBody/River"/>
         <owl:onProperty>
           <owl:ObjectProperty rdf:ID="isMeasurementSiteOf"/>
         </owl:onProperty>
@@ -525,7 +523,7 @@
   <owl:Class rdf:about="http://escience.rpi.edu/ontology/semanteco/2/0/pollution.owl#PollutedSIte">
     <rdfs:subClassOf>
       <owl:Restriction>
-        <owl:someValuesFrom rdf:resource="http://sweet.jpl.nasa.gov/2.1/realmHydroBody.owl#River"/>
+        <owl:someValuesFrom rdf:resource="http://sweetontology.net/realmHydroBody/River"/>
         <owl:onProperty rdf:resource="#isMeasurementSiteOf"/>
       </owl:Restriction>
     </rdfs:subClassOf>
@@ -603,7 +601,7 @@
       <owl:Class rdf:about="http://www.loa-cnr.it/ontologies/DUL.owl#Parameter"/>
     </rdfs:subClassOf>
   </owl:Class>
-  <owl:Class rdf:about="http://sweet.jpl.nasa.gov/2.1/realmHydroBody.owl#BodyOfWater">
+  <owl:Class rdf:about="http://sweetontology.net/realmHydroBody/BodyOfWater">
     <rdfs:subClassOf>
       <owl:Restriction>
         <owl:onProperty>
@@ -642,7 +640,7 @@
     <rdfs:subClassOf rdf:resource="http://www.loa-cnr.it/ontologies/DUL.owl#Event"/>
     <owl:equivalentClass rdf:resource="http://purl.oclc.org/NET/ssnx/ssn#Stimulus"/>
   </owl:Class>
-  <owl:Class rdf:about="http://sweet.jpl.nasa.gov/2.1/matrElement.owl#ChemicalElement">
+  <owl:Class rdf:about="http://sweetontology.net/matrElement/ChemicalElement">
     <rdfs:subClassOf>
       <owl:Class rdf:about="http://tw2.tw.rpi.edu/zhengj3/owl/epa.owl#Element"/>
     </rdfs:subClassOf>
@@ -1107,7 +1105,7 @@
       </owl:Restriction>
     </rdfs:subClassOf>
   </owl:Class>
-  <owl:Class rdf:about="http://sweet.jpl.nasa.gov/2.1/realmHydroBody.owl#Basin">
+  <owl:Class rdf:about="http://sweetontology.net/realmHydroBody/Basin">
     <rdfs:subClassOf>
       <owl:Restriction>
         <owl:someValuesFrom rdf:resource="#Municipality"/>
@@ -1172,14 +1170,14 @@
     <rdfs:subClassOf>
       <owl:Restriction>
         <owl:onProperty rdf:resource="#isMeasurementSiteOf"/>
-        <owl:someValuesFrom rdf:resource="http://sweet.jpl.nasa.gov/2.1/realmHydroBody.owl#River"/>
+        <owl:someValuesFrom rdf:resource="http://sweetontology.net/realmHydroBody/River"/>
       </owl:Restriction>
     </rdfs:subClassOf>
     <rdfs:subClassOf rdf:resource="http://www.w3.org/2003/01/geo/wgs84_pos#Point"/>
     <rdfs:subClassOf>
       <owl:Class rdf:about="http://www.loa-cnr.it/ontologies/DUL.owl#SpaceRegion"/>
     </rdfs:subClassOf>
-    <rdfs:subClassOf rdf:resource="http://sweet.jpl.nasa.gov/2.1/realmHydroBody.owl#BodyOfWater"/>
+    <rdfs:subClassOf rdf:resource="http://sweetontology.net/realmHydroBody/BodyOfWater"/>
   </owl:Class>
   <owl:Class rdf:about="http://tw2.tw.rpi.edu/zhengj3/owl/epa.owl#ExceededThreshold"/>
   <owl:Class rdf:about="http://purl.oclc.org/NET/ssnx/ssn#Property">
@@ -2019,12 +2017,12 @@
     <rdfs:domain rdf:resource="http://www.w3.org/2003/01/geo/wgs84_pos#Point"/>
     <rdfs:domain>
       <owl:Restriction>
-        <owl:someValuesFrom rdf:resource="http://sweet.jpl.nasa.gov/2.1/realmHydroBody.owl#River"/>
+        <owl:someValuesFrom rdf:resource="http://sweetontology.net/realmHydroBody/River"/>
         <owl:onProperty rdf:resource="#isMeasurementSiteOf"/>
       </owl:Restriction>
     </rdfs:domain>
     <rdfs:domain rdf:resource="http://tw2.tw.rpi.edu/zhengj3/owl/epa.owl#MeasurementSite"/>
-    <rdfs:domain rdf:resource="http://sweet.jpl.nasa.gov/2.1/realmHydroBody.owl#BodyOfWater"/>
+    <rdfs:domain rdf:resource="http://sweetontology.net/realmHydroBody/BodyOfWater"/>
     <rdfs:domain rdf:resource="http://www.loa-cnr.it/ontologies/DUL.owl#SpaceRegion"/>
     <rdfs:subPropertyOf>
       <owl:DatatypeProperty rdf:about="http://www.loa-cnr.it/ontologies/DUL.owl#hasDataValue"/>
@@ -2062,12 +2060,12 @@
     <rdfs:domain rdf:resource="#SensingNodeLocation"/>
     <rdfs:domain rdf:resource="http://purl.oclc.org/NET/ssnx/ssn#Region"/>
     <rdfs:domain rdf:resource="http://www.loa-cnr.it/ontologies/DUL.owl#SpaceRegion"/>
-    <rdfs:domain rdf:resource="http://sweet.jpl.nasa.gov/2.1/realmHydroBody.owl#BodyOfWater"/>
+    <rdfs:domain rdf:resource="http://sweetontology.net/realmHydroBody/BodyOfWater"/>
     <rdfs:domain rdf:resource="http://tw2.tw.rpi.edu/zhengj3/owl/epa.owl#MeasurementSite"/>
     <rdfs:domain>
       <owl:Restriction>
         <owl:onProperty rdf:resource="#isMeasurementSiteOf"/>
-        <owl:someValuesFrom rdf:resource="http://sweet.jpl.nasa.gov/2.1/realmHydroBody.owl#River"/>
+        <owl:someValuesFrom rdf:resource="http://sweetontology.net/realmHydroBody/River"/>
       </owl:Restriction>
     </rdfs:domain>
     <rdfs:domain rdf:resource="http://www.w3.org/2003/01/geo/wgs84_pos#Point"/>
@@ -2154,7 +2152,7 @@
     <owl:onProperty rdf:resource="#hasRFID"/>
   </owl:Restriction>
   <owl:Restriction>
-    <owl:someValuesFrom rdf:resource="http://sweet.jpl.nasa.gov/2.1/realmHydroBody.owl#Basin"/>
+    <owl:someValuesFrom rdf:resource="http://sweetontology.net/realmHydroBody/Basin"/>
     <owl:onProperty rdf:resource="#hasBasin"/>
   </owl:Restriction>
   <WaterFeature rdf:ID="DrinkingWaterFeature"/>
@@ -2185,7 +2183,7 @@
   </owl:Restriction>
   <owl:Restriction>
     <owl:onProperty rdf:resource="#hasBasin"/>
-    <owl:someValuesFrom rdf:resource="http://sweet.jpl.nasa.gov/2.1/realmHydroBody.owl#Basin"/>
+    <owl:someValuesFrom rdf:resource="http://sweetontology.net/realmHydroBody/Basin"/>
   </owl:Restriction>
   <owl:Restriction>
     <owl:onProperty rdf:resource="#hasSensingNode"/>
@@ -2312,7 +2310,7 @@
   </owl:Restriction>
   <owl:Restriction>
     <owl:onProperty rdf:resource="#hasRiver"/>
-    <owl:someValuesFrom rdf:resource="http://sweet.jpl.nasa.gov/2.1/realmHydroBody.owl#River"/>
+    <owl:someValuesFrom rdf:resource="http://sweetontology.net/realmHydroBody/River"/>
   </owl:Restriction>
   <owl:Restriction>
     <owl:onProperty rdf:resource="http://purl.oclc.org/NET/ssnx/ssn#isPropertyOf"/>
@@ -2342,7 +2340,7 @@
     <owl:onProperty rdf:resource="#hasDescription"/>
   </owl:Restriction>
   <owl:Restriction>
-    <owl:someValuesFrom rdf:resource="http://sweet.jpl.nasa.gov/2.1/realmHydroBody.owl#Basin"/>
+    <owl:someValuesFrom rdf:resource="http://sweetontology.net/realmHydroBody/Basin"/>
     <owl:onProperty rdf:resource="#hasBasin"/>
   </owl:Restriction>
   <owl:Restriction>
@@ -2395,7 +2393,7 @@
   </owl:Restriction>
   <owl:Restriction>
     <owl:onProperty rdf:resource="#isMeasurementSiteOf"/>
-    <owl:someValuesFrom rdf:resource="http://sweet.jpl.nasa.gov/2.1/realmHydroBody.owl#River"/>
+    <owl:someValuesFrom rdf:resource="http://sweetontology.net/realmHydroBody/River"/>
   </owl:Restriction>
   <owl:Restriction>
     <owl:allValuesFrom rdf:resource="http://purl.oclc.org/NET/ssnx/ssn#FeatureOfInterest"/>
@@ -2441,12 +2439,12 @@
     <owl:onProperty rdf:resource="#isDeviceType"/>
   </owl:Restriction>
   <owl:Restriction>
-    <owl:someValuesFrom rdf:resource="http://sweet.jpl.nasa.gov/2.1/realmHydroBody.owl#Basin"/>
+    <owl:someValuesFrom rdf:resource="http://sweetontology.net/realmHydroBody/Basin"/>
     <owl:onProperty rdf:resource="#hasBasin"/>
   </owl:Restriction>
   <owl:Restriction>
     <owl:onProperty rdf:resource="#hasRiver"/>
-    <owl:someValuesFrom rdf:resource="http://sweet.jpl.nasa.gov/2.1/realmHydroBody.owl#River"/>
+    <owl:someValuesFrom rdf:resource="http://sweetontology.net/realmHydroBody/River"/>
   </owl:Restriction>
   <owl:Restriction>
     <owl:onProperty rdf:resource="http://purl.oclc.org/NET/ssnx/ssn#doRelease"/>
@@ -2499,7 +2497,7 @@
   </owl:Restriction>
   <owl:Restriction>
     <owl:onProperty rdf:resource="#isMeasurementSiteOf"/>
-    <owl:someValuesFrom rdf:resource="http://sweet.jpl.nasa.gov/2.1/realmHydroBody.owl#River"/>
+    <owl:someValuesFrom rdf:resource="http://sweetontology.net/realmHydroBody/River"/>
   </owl:Restriction>
   <owl:Restriction>
     <owl:onProperty rdf:resource="http://purl.oclc.org/NET/ssnx/ssn#observedBy"/>
@@ -2536,7 +2534,7 @@
   </owl:Restriction>
   <owl:Restriction>
     <owl:onProperty rdf:resource="#hasBasin"/>
-    <owl:someValuesFrom rdf:resource="http://sweet.jpl.nasa.gov/2.1/realmHydroBody.owl#Basin"/>
+    <owl:someValuesFrom rdf:resource="http://sweetontology.net/realmHydroBody/Basin"/>
   </owl:Restriction>
   <owl:Restriction>
     <owl:onProperty rdf:resource="#consistOf"/>
@@ -2576,7 +2574,7 @@
   </owl:Restriction>
   <owl:Restriction>
     <owl:onProperty rdf:resource="#isMeasurementSiteOf"/>
-    <owl:someValuesFrom rdf:resource="http://sweet.jpl.nasa.gov/2.1/realmHydroBody.owl#River"/>
+    <owl:someValuesFrom rdf:resource="http://sweetontology.net/realmHydroBody/River"/>
   </owl:Restriction>
   <owl:Restriction>
     <owl:onProperty rdf:resource="http://www.loa-cnr.it/ontologies/DUL.owl#hasLocation"/>
@@ -2584,7 +2582,7 @@
   </owl:Restriction>
   <owl:Restriction>
     <owl:onProperty rdf:resource="#isMeasurementSiteOf"/>
-    <owl:someValuesFrom rdf:resource="http://sweet.jpl.nasa.gov/2.1/realmHydroBody.owl#River"/>
+    <owl:someValuesFrom rdf:resource="http://sweetontology.net/realmHydroBody/River"/>
   </owl:Restriction>
   <owl:Restriction>
     <owl:onProperty rdf:resource="http://purl.oclc.org/NET/ssnx/ssn#isRegionFor"/>
@@ -2595,7 +2593,7 @@
     <owl:someValuesFrom rdf:resource="#SensingNode"/>
   </owl:Restriction>
   <owl:Restriction>
-    <owl:someValuesFrom rdf:resource="http://sweet.jpl.nasa.gov/2.1/realmHydroBody.owl#River"/>
+    <owl:someValuesFrom rdf:resource="http://sweetontology.net/realmHydroBody/River"/>
     <owl:onProperty rdf:resource="#hasRiver"/>
   </owl:Restriction>
   <owl:Restriction>
@@ -2634,7 +2632,7 @@
   </owl:Restriction>
   <owl:Restriction>
     <owl:onProperty rdf:resource="#isMeasurementSiteOf"/>
-    <owl:someValuesFrom rdf:resource="http://sweet.jpl.nasa.gov/2.1/realmHydroBody.owl#River"/>
+    <owl:someValuesFrom rdf:resource="http://sweetontology.net/realmHydroBody/River"/>
   </owl:Restriction>
   <owl:Restriction>
     <owl:someValuesFrom rdf:resource="http://purl.oclc.org/NET/ssnx/ssn#Property"/>
@@ -2669,7 +2667,7 @@
     <owl:someValuesFrom rdf:resource="#WaterQuality"/>
   </owl:Restriction>
   <owl:Restriction>
-    <owl:someValuesFrom rdf:resource="http://sweet.jpl.nasa.gov/2.1/realmHydroBody.owl#River"/>
+    <owl:someValuesFrom rdf:resource="http://sweetontology.net/realmHydroBody/River"/>
     <owl:onProperty rdf:resource="#hasRiver"/>
   </owl:Restriction>
   <owl:Restriction>
@@ -2709,7 +2707,7 @@
     <owl:allValuesFrom rdf:resource="http://tw2.tw.rpi.edu/zhengj3/owl/epa.owl#MeasurementSite"/>
   </owl:Restriction>
   <owl:Restriction>
-    <owl:someValuesFrom rdf:resource="http://sweet.jpl.nasa.gov/2.1/realmHydroBody.owl#Basin"/>
+    <owl:someValuesFrom rdf:resource="http://sweetontology.net/realmHydroBody/Basin"/>
     <owl:onProperty rdf:resource="#hasBasin"/>
   </owl:Restriction>
   <owl:Restriction>
@@ -2837,7 +2835,7 @@
     <owl:someValuesFrom rdf:resource="#DeviceType"/>
   </owl:Restriction>
   <owl:Restriction>
-    <owl:someValuesFrom rdf:resource="http://sweet.jpl.nasa.gov/2.1/realmHydroBody.owl#River"/>
+    <owl:someValuesFrom rdf:resource="http://sweetontology.net/realmHydroBody/River"/>
     <owl:onProperty rdf:resource="#isMeasurementSiteOf"/>
   </owl:Restriction>
   <owl:Restriction>
diff --git a/Ontologies/inws-pollutants.owl b/Ontologies/inws-pollutants.owl
index 524be29..f1be09e 100644
--- a/Ontologies/inws-pollutants.owl
+++ b/Ontologies/inws-pollutants.owl
@@ -10,14 +10,14 @@
     xmlns:xsd="http://www.w3.org/2001/XMLSchema#"
     xmlns:swrl="http://www.w3.org/2003/11/swrl#"
     xmlns="http://inwatersense.uni-pr.edu/ontologies/inws-pollutants.owl#"
-    xmlns:body="http://sweet.jpl.nasa.gov/2.1/realmHydroBody.owl#"
+    xmlns:soreahb="http://sweetontology.net/realmHydroBody/"
     xmlns:rdfs="http://www.w3.org/2000/01/rdf-schema#"
     xmlns:swrla="http://swrl.stanford.edu/ontologies/3.3/swrla.owl#"
   xml:base="http://inwatersense.uni-pr.edu/ontologies/inws-pollutants.owl">
   <owl:Ontology rdf:about=""/>
-  <owl:Class rdf:about="http://sweet.jpl.nasa.gov/2.1/realmHydroBody.owl#River">
+  <owl:Class rdf:about="http://sweetontology.net/realmHydroBody/River">
     <rdfs:subClassOf>
-      <owl:Class rdf:about="http://sweet.jpl.nasa.gov/2.1/realmHydroBody.owl#BodyOfWater"/>
+      <owl:Class rdf:about="http://sweetontology.net/realmHydroBody/BodyOfWater"/>
     </rdfs:subClassOf>
     <rdfs:subClassOf>
       <owl:Restriction>
@@ -126,7 +126,7 @@
     >point</pollutionType>
   </PollutionSources>
   <Pollutant rdf:ID="Sewage"/>
-  <body:River rdf:about="http://inwatersense.uni-pr.edu/ontologies/inws-core.owl#r1">
+  <soreahb:River rdf:about="http://inwatersense.uni-pr.edu/ontologies/inws-core.owl#r1">
     <hasSourcesOfPollution>
       <PollutionSources rdf:ID="Urban_stormwater_discharges">
         <potentialPollutant rdf:resource="#Pathogens"/>
@@ -186,7 +186,7 @@
         >Mining</pollutionSourceName>
       </PollutionSources>
     </hasSourcesOfPollution>
-  </body:River>
+  </soreahb:River>
   <PollutionSources rdf:ID="Contaminated_land">
     <potentialPollutant rdf:resource="http://inwatersense.uni-pr.edu/ontologies/inws-core.owl#Copper"/>
     <potentialPollutant rdf:resource="http://inwatersense.uni-pr.edu/ontologies/inws-core.owl#ChromiumVI"/>
diff --git a/Ontologies/inws-polluters.owl b/Ontologies/inws-polluters.owl
index 0b68a1e..a5889e2 100644
--- a/Ontologies/inws-polluters.owl
+++ b/Ontologies/inws-polluters.owl
@@ -10,14 +10,14 @@
     xmlns:sqwrl="http://sqwrl.stanford.edu/ontologies/built-ins/3.4/sqwrl.owl#"
     xmlns:xsd="http://www.w3.org/2001/XMLSchema#"
     xmlns:swrl="http://www.w3.org/2003/11/swrl#"
-    xmlns:body="http://sweet.jpl.nasa.gov/2.1/realmHydroBody.owl#"
+    xmlns:soreahb="http://sweetontology.net/realmHydroBody/"
     xmlns:rdfs="http://www.w3.org/2000/01/rdf-schema#"
     xmlns:swrla="http://swrl.stanford.edu/ontologies/3.3/swrla.owl#"
   xml:base="http://inwatersense.uni-pr.edu/ontologies/inws-polluters.owl">
   <owl:Ontology rdf:about=""/>
-  <owl:Class rdf:about="http://sweet.jpl.nasa.gov/2.1/realmHydroBody.owl#River">
+  <owl:Class rdf:about="http://sweetontology.net/realmHydroBody/River">
     <rdfs:subClassOf>
-      <owl:Class rdf:about="http://sweet.jpl.nasa.gov/2.1/realmHydroBody.owl#BodyOfWater"/>
+      <owl:Class rdf:about="http://sweetontology.net/realmHydroBody/BodyOfWater"/>
     </rdfs:subClassOf>
     <rdfs:subClassOf>
       <owl:Restriction>
@@ -115,7 +115,7 @@
     <potentialPollutant rdf:resource="http://inwatersense.uni-pr.edu/ontologies/inws-core.owl#pH"/>
   </PollutionSources>
   <Pollutant rdf:ID="Sewage"/>
-  <body:River rdf:about="http://inwatersense.uni-pr.edu/ontologies/inws-core.owl#r1">
+  <soreahb:River rdf:about="http://inwatersense.uni-pr.edu/ontologies/inws-core.owl#r1">
     <hasSourcesOfPollution>
       <PollutionSources rdf:ID="Urban_stormwater_discharges">
         <potentialPollutant>
@@ -169,7 +169,7 @@
         >point and diffuse</pollutionType>
       </PollutionSources>
     </hasSourcesOfPollution>
-  </body:River>
+  </soreahb:River>
   <PollutionSources rdf:ID="Industrial_effluent">
     <potentialPollutant rdf:resource="http://inwatersense.uni-pr.edu/ontologies/inws-core.owl#Nitrogen"/>
     <potentialPollutant rdf:resource="http://inwatersense.uni-pr.edu/ontologies/inws-core.owl#BiochemicalOxygenDemand"/>
diff --git a/Ontologies/inws-regulations.owl b/Ontologies/inws-regulations.owl
index 094d20e..fb9e039 100644
--- a/Ontologies/inws-regulations.owl
+++ b/Ontologies/inws-regulations.owl
@@ -2,13 +2,10 @@
 <rdf:RDF
     xmlns:inwsc="http://inwatersense.uni-pr.edu/ontologies/inws-core.owl#"
     xmlns:protege="http://protege.stanford.edu/plugins/owl/protege#"
-    xmlns:comp="http://sweet.jpl.nasa.gov/2.1/matrCompound.owl#"
     xmlns:xsp="http://www.owl-ontologies.com/2005/08/07/xsp.owl#"
     xmlns:dul="http://www.loa-cnr.it/ontologies/DUL.owl#"
-    xmlns:repr="http://sweet.jpl.nasa.gov/2.1/repr.owl#"
     xmlns:time="http://www.w3.org/2006/time#"
     xmlns:swrlb="http://www.w3.org/2003/11/swrlb#"
-    xmlns:elem="http://sweet.jpl.nasa.gov/2.1/matrElement.owl#"
     xmlns:twcp="http://tw2.tw.rpi.edu/zhengj3/owl/epa.owl#"
     xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#"
     xmlns="http://inwatersense.uni-pr.edu/ontologies/inws-regulations.owl#"
@@ -16,10 +13,9 @@
     xmlns:sqwrl="http://sqwrl.stanford.edu/ontologies/built-ins/3.4/sqwrl.owl#"
     xmlns:xsd="http://www.w3.org/2001/XMLSchema#"
     xmlns:swrl="http://www.w3.org/2003/11/swrl#"
-    xmlns:body="http://sweet.jpl.nasa.gov/2.1/realmHydroBody.owl#"
+    xmlns:soreahb="http://sweetontology.net/realmHydroBody/"
     xmlns:rdfs="http://www.w3.org/2000/01/rdf-schema#"
     xmlns:ssn="http://purl.oclc.org/NET/ssnx/ssn#"
-    xmlns:chem="http://sweet.jpl.nasa.gov/2.1/matr.owl#"
     xmlns:swrla="http://swrl.stanford.edu/ontologies/3.3/swrla.owl#"
   xml:base="http://inwatersense.uni-pr.edu/ontologies/inws-regulations.owl">
   <owl:Ontology rdf:about=""/>
@@ -156,9 +152,9 @@
       </owl:Restriction>
     </rdfs:subClassOf>
   </owl:Class>
-  <owl:Class rdf:about="http://sweet.jpl.nasa.gov/2.1/realmHydroBody.owl#River">
+  <owl:Class rdf:about="http://sweetontology.net/realmHydroBody/River">
     <rdfs:subClassOf>
-      <owl:Class rdf:about="http://sweet.jpl.nasa.gov/2.1/realmHydroBody.owl#BodyOfWater"/>
+      <owl:Class rdf:about="http://sweetontology.net/realmHydroBody/BodyOfWater"/>
     </rdfs:subClassOf>
   </owl:Class>
   <owl:Class rdf:ID="ModerateSSMeasurement">
@@ -410,7 +406,7 @@
   <owl:Class rdf:ID="ECEstatus">
     <rdfs:subClassOf rdf:resource="#Status"/>
   </owl:Class>
-  <owl:Class rdf:about="http://sweet.jpl.nasa.gov/2.1/realmHydroBody.owl#BodyOfWater">
+  <owl:Class rdf:about="http://sweetontology.net/realmHydroBody/BodyOfWater">
     <rdfs:subClassOf rdf:resource="http://www.w3.org/2002/07/owl#Thing"/>
     <rdfs:subClassOf>
       <owl:Restriction>
@@ -755,7 +751,7 @@
     </rdfs:subClassOf>
   </owl:Class>
   <owl:Class rdf:about="http://tw2.tw.rpi.edu/zhengj3/owl/epa.owl#MeasurementSite">
-    <rdfs:subClassOf rdf:resource="http://sweet.jpl.nasa.gov/2.1/realmHydroBody.owl#BodyOfWater"/>
+    <rdfs:subClassOf rdf:resource="http://sweetontology.net/realmHydroBody/BodyOfWater"/>
   </owl:Class>
   <owl:Class rdf:ID="GoodHighArsenicMeasurement">
     <rdfs:subClassOf rdf:resource="#Good"/>
@@ -1183,7 +1179,7 @@
     <owl:someValuesFrom rdf:resource="#Good"/>
     <owl:onProperty rdf:resource="http://tw2.tw.rpi.edu/zhengj3/owl/epa.owl#hasMeasurement"/>
   </owl:Restriction>
-  <body:River rdf:ID="River_3">
+  <soreahb:River rdf:ID="River_3">
     <hasChemStatus rdf:datatype="http://www.w3.org/2001/XMLSchema#boolean"
     >true</hasChemStatus>
     <hasEcoStatus rdf:datatype="http://www.w3.org/2001/XMLSchema#boolean"
@@ -1214,8 +1210,8 @@
         </time:hasEnd>
       </time:Interval>
     </dul:isObservableAt>
-  </body:River>
-  <body:River rdf:ID="River_4"/>
+  </soreahb:River>
+  <soreahb:River rdf:ID="River_4"/>
   <owl:Restriction>
     <owl:onProperty rdf:resource="http://tw2.tw.rpi.edu/zhengj3/owl/epa.owl#hasMeasurement"/>
     <owl:someValuesFrom rdf:resource="#Good"/>
diff --git a/Use-Cases/datasetFINAL.owl b/Use-Cases/datasetFINAL.owl
index aa14648..bf3c9b3 100644
--- a/Use-Cases/datasetFINAL.owl
+++ b/Use-Cases/datasetFINAL.owl
@@ -12,7 +12,7 @@
     xmlns:owl="http://www.w3.org/2002/07/owl#"
     xmlns:xsd="http://www.w3.org/2001/XMLSchema#"
     xmlns:swrl="http://www.w3.org/2003/11/swrl#"
-    xmlns:realmHydroBody="http://sweet.jpl.nasa.gov/2.1/realmHydroBody.owl#"
+    xmlns:soreahb="http://sweetontology.net/realmHydroBody/"
     xmlns:rdfs="http://www.w3.org/2000/01/rdf-schema#"
     xmlns:ssn="http://purl.oclc.org/NET/ssnx/ssn#"
     xmlns:wgs84_pos="http://www.w3.org/2003/01/geo/wgs84_pos#"
@@ -28,12 +28,12 @@
   <owl:Class rdf:about="http://purl.oclc.org/NET/ssnx/ssn#Observation"/>
   <owl:Class rdf:about="http://purl.oclc.org/NET/ssnx/ssn#ObservationValue"/>
   <owl:Class rdf:about="http://inwatersense.uni-pr.edu/ontologies/inws-core.owl#Invertebrate_fauna"/>
-  <owl:Class rdf:about="http://sweet.jpl.nasa.gov/2.1/realmHydroBody.owl#Basin"/>
+  <owl:Class rdf:about="http://sweetontology.net/realmHydroBody/Basin"/>
   <owl:Class rdf:about="http://www.w3.org/2003/01/geo/wgs84_pos#Point"/>
   <owl:Class rdf:about="http://inwatersense.uni-pr.edu/ontologies/inws-core.owl#GatewayNode"/>
   <owl:Class rdf:about="http://inwatersense.uni-pr.edu/ontologies/inws-core.owl#Thermal_conditions"/>
   <owl:Class rdf:about="http://inwatersense.uni-pr.edu/ontologies/inws-core.owl#Nutrient_conditions"/>
-  <owl:Class rdf:about="http://sweet.jpl.nasa.gov/2.1/realmHydroBody.owl#River"/>
+  <owl:Class rdf:about="http://sweetontology.net/realmHydroBody/River"/>
   <owl:Class rdf:about="http://purl.oclc.org/NET/ssnx/ssn#Device"/>
   <owl:Class rdf:about="http://inwatersense.uni-pr.edu/ontologies/inws-core.owl#SensingNodeLocation"/>
   <owl:Class rdf:about="http://inwatersense.uni-pr.edu/ontologies/inws-core.owl#Other"/>
@@ -96,11 +96,11 @@
     <qu:symbol rdf:datatype="http://www.w3.org/2001/XMLSchema#string"
     >µS/cm</qu:symbol>
   </inws-core:Salinity>
-  <realmHydroBody:River rdf:about="http://inwatersense.uni-pr.edu/ontologies/inws-core.owl#r22">
+  <soreahb:River rdf:about="http://inwatersense.uni-pr.edu/ontologies/inws-core.owl#r22">
     <inws-core:hasName rdf:datatype="http://www.w3.org/2001/XMLSchema#string"
     >Bistrica Prizrenit</inws-core:hasName>
     <inws-core:hasBasin>
-      <realmHydroBody:Basin rdf:about="http://inwatersense.uni-pr.edu/ontologies/inws-core.owl#b1">
+      <soreahb:Basin rdf:about="http://inwatersense.uni-pr.edu/ontologies/inws-core.owl#b1">
         <inws-core:hasArea rdf:datatype="http://www.w3.org/2001/XMLSchema#string"
         >4649</inws-core:hasArea>
         <inws-core:hasAnnualFlowing rdf:datatype="http://www.w3.org/2001/XMLSchema#string"
@@ -111,17 +111,17 @@
         >Adriatic Sea</inws-core:hasFlowingDirection>
         <inws-core:hasFlowingQuantity rdf:datatype="http://www.w3.org/2001/XMLSchema#string"
         >61</inws-core:hasFlowingQuantity>
-      </realmHydroBody:Basin>
+      </soreahb:Basin>
     </inws-core:hasBasin>
-  </realmHydroBody:River>
-  <realmHydroBody:River rdf:about="http://inwatersense.uni-pr.edu/ontologies/inws-core.owl#r21">
+  </soreahb:River>
+  <soreahb:River rdf:about="http://inwatersense.uni-pr.edu/ontologies/inws-core.owl#r21">
     <inws-core:hasName rdf:datatype="http://www.w3.org/2001/XMLSchema#string"
     >Toplluha</inws-core:hasName>
     <inws-core:hasBasin rdf:resource="http://inwatersense.uni-pr.edu/ontologies/inws-core.owl#b1"/>
-  </realmHydroBody:River>
-  <realmHydroBody:River rdf:about="http://inwatersense.uni-pr.edu/ontologies/inws-core.owl#r20">
+  </soreahb:River>
+  <soreahb:River rdf:about="http://inwatersense.uni-pr.edu/ontologies/inws-core.owl#r20">
     <inws-core:hasBasin>
-      <realmHydroBody:Basin rdf:about="http://inwatersense.uni-pr.edu/ontologies/inws-core.owl#b2">
+      <soreahb:Basin rdf:about="http://inwatersense.uni-pr.edu/ontologies/inws-core.owl#b2">
         <inws-core:hasAnnualFlowing rdf:datatype="http://www.w3.org/2001/XMLSchema#string"
         >771</inws-core:hasAnnualFlowing>
         <inws-core:hasName rdf:datatype="http://www.w3.org/2001/XMLSchema#string"
@@ -132,11 +132,11 @@
         >Black Sea</inws-core:hasFlowingDirection>
         <inws-core:hasArea rdf:datatype="http://www.w3.org/2001/XMLSchema#string"
         >4009</inws-core:hasArea>
-      </realmHydroBody:Basin>
+      </soreahb:Basin>
     </inws-core:hasBasin>
     <inws-core:hasName rdf:datatype="http://www.w3.org/2001/XMLSchema#string"
     >Drenica</inws-core:hasName>
-  </realmHydroBody:River>
+  </soreahb:River>
   <inws-core:Nutrient_conditions rdf:about="http://inwatersense.uni-pr.edu/ontologies/inws-core.owl#TotalPhosphorus">
     <qu:symbol rdf:datatype="http://www.w3.org/2001/XMLSchema#string"
     >mg/l</qu:symbol>
@@ -145,9 +145,9 @@
     <qu:symbol rdf:datatype="http://www.w3.org/2001/XMLSchema#string"
     >%</qu:symbol>
   </inws-core:Other>
-  <realmHydroBody:River rdf:about="http://inwatersense.uni-pr.edu/ontologies/inws-core.owl#r23">
+  <soreahb:River rdf:about="http://inwatersense.uni-pr.edu/ontologies/inws-core.owl#r23">
     <inws-core:hasBasin>
-      <realmHydroBody:Basin rdf:about="http://inwatersense.uni-pr.edu/ontologies/inws-core.owl#b3">
+      <soreahb:Basin rdf:about="http://inwatersense.uni-pr.edu/ontologies/inws-core.owl#b3">
         <inws-core:hasArea rdf:datatype="http://www.w3.org/2001/XMLSchema#string"
         >1564</inws-core:hasArea>
         <inws-core:hasName rdf:datatype="http://www.w3.org/2001/XMLSchema#string"
@@ -158,11 +158,11 @@
         >Black Sea</inws-core:hasFlowingDirection>
         <inws-core:hasAnnualFlowing rdf:datatype="http://www.w3.org/2001/XMLSchema#string"
         >330</inws-core:hasAnnualFlowing>
-      </realmHydroBody:Basin>
+      </soreahb:Basin>
     </inws-core:hasBasin>
     <inws-core:hasName rdf:datatype="http://www.w3.org/2001/XMLSchema#string"
     >Kriva Reka</inws-core:hasName>
-  </realmHydroBody:River>
+  </soreahb:River>
   <ssn:Device rdf:about="http://inwatersense.uni-pr.edu/ontologies/inws-core.owl#d9">
     <inws-core:hasName rdf:datatype="http://www.w3.org/2001/XMLSchema#string"
     >Device 7</inws-core:hasName>
@@ -178,41 +178,41 @@
     <inws-core:hasDescription rdf:datatype="http://www.w3.org/2001/XMLSchema#string"
     >Device 7</inws-core:hasDescription>
   </ssn:Device>
-  <realmHydroBody:River rdf:about="http://inwatersense.uni-pr.edu/ontologies/inws-core.owl#r2">
+  <soreahb:River rdf:about="http://inwatersense.uni-pr.edu/ontologies/inws-core.owl#r2">
     <inws-core:hasName rdf:datatype="http://www.w3.org/2001/XMLSchema#string"
     >Mirusha</inws-core:hasName>
     <inws-core:hasBasin rdf:resource="http://inwatersense.uni-pr.edu/ontologies/inws-core.owl#b1"/>
-  </realmHydroBody:River>
-  <realmHydroBody:River rdf:about="http://inwatersense.uni-pr.edu/ontologies/inws-core.owl#r4">
+  </soreahb:River>
+  <soreahb:River rdf:about="http://inwatersense.uni-pr.edu/ontologies/inws-core.owl#r4">
     <inws-core:hasBasin rdf:resource="http://inwatersense.uni-pr.edu/ontologies/inws-core.owl#b1"/>
     <inws-core:hasName rdf:datatype="http://www.w3.org/2001/XMLSchema#string"
     >Ereniku</inws-core:hasName>
-  </realmHydroBody:River>
-  <realmHydroBody:River rdf:about="http://inwatersense.uni-pr.edu/ontologies/inws-core.owl#r3">
+  </soreahb:River>
+  <soreahb:River rdf:about="http://inwatersense.uni-pr.edu/ontologies/inws-core.owl#r3">
     <inws-core:hasName rdf:datatype="http://www.w3.org/2001/XMLSchema#string"
     >Drini i Bardhë</inws-core:hasName>
     <inws-core:hasBasin rdf:resource="http://inwatersense.uni-pr.edu/ontologies/inws-core.owl#b1"/>
-  </realmHydroBody:River>
-  <realmHydroBody:River rdf:about="http://inwatersense.uni-pr.edu/ontologies/inws-core.owl#r6">
+  </soreahb:River>
+  <soreahb:River rdf:about="http://inwatersense.uni-pr.edu/ontologies/inws-core.owl#r6">
     <inws-core:hasBasin rdf:resource="http://inwatersense.uni-pr.edu/ontologies/inws-core.owl#b2"/>
     <inws-core:hasName rdf:datatype="http://www.w3.org/2001/XMLSchema#string"
     >Llapi</inws-core:hasName>
-  </realmHydroBody:River>
-  <realmHydroBody:River rdf:about="http://inwatersense.uni-pr.edu/ontologies/inws-core.owl#r7">
+  </soreahb:River>
+  <soreahb:River rdf:about="http://inwatersense.uni-pr.edu/ontologies/inws-core.owl#r7">
     <inws-core:hasBasin rdf:resource="http://inwatersense.uni-pr.edu/ontologies/inws-core.owl#b1"/>
     <inws-core:hasName rdf:datatype="http://www.w3.org/2001/XMLSchema#string"
     >Bistrica e Pejës</inws-core:hasName>
-  </realmHydroBody:River>
-  <realmHydroBody:River rdf:about="http://inwatersense.uni-pr.edu/ontologies/inws-core.owl#r5">
+  </soreahb:River>
+  <soreahb:River rdf:about="http://inwatersense.uni-pr.edu/ontologies/inws-core.owl#r5">
     <inws-core:hasBasin rdf:resource="http://inwatersense.uni-pr.edu/ontologies/inws-core.owl#b2"/>
     <inws-core:hasName rdf:datatype="http://www.w3.org/2001/XMLSchema#string"
     >Sitnica</inws-core:hasName>
-  </realmHydroBody:River>
-  <realmHydroBody:River rdf:about="http://inwatersense.uni-pr.edu/ontologies/inws-core.owl#r9">
+  </soreahb:River>
+  <soreahb:River rdf:about="http://inwatersense.uni-pr.edu/ontologies/inws-core.owl#r9">
     <inws-core:hasName rdf:datatype="http://www.w3.org/2001/XMLSchema#string"
     >Lepenci</inws-core:hasName>
     <inws-core:hasBasin>
-      <realmHydroBody:Basin rdf:about="http://inwatersense.uni-pr.edu/ontologies/inws-core.owl#b4">
+      <soreahb:Basin rdf:about="http://inwatersense.uni-pr.edu/ontologies/inws-core.owl#b4">
         <inws-core:hasFlowingQuantity rdf:datatype="http://www.w3.org/2001/XMLSchema#string"
         >8.7</inws-core:hasFlowingQuantity>
         <inws-core:hasFlowingDirection rdf:datatype="http://www.w3.org/2001/XMLSchema#string"
@@ -223,29 +223,29 @@
         >307</inws-core:hasAnnualFlowing>
         <inws-core:hasArea rdf:datatype="http://www.w3.org/2001/XMLSchema#string"
         >0.685</inws-core:hasArea>
-      </realmHydroBody:Basin>
+      </soreahb:Basin>
     </inws-core:hasBasin>
-  </realmHydroBody:River>
-  <realmHydroBody:River rdf:about="http://inwatersense.uni-pr.edu/ontologies/inws-core.owl#r8">
+  </soreahb:River>
+  <soreahb:River rdf:about="http://inwatersense.uni-pr.edu/ontologies/inws-core.owl#r8">
     <inws-core:hasBasin rdf:resource="http://inwatersense.uni-pr.edu/ontologies/inws-core.owl#b3"/>
     <inws-core:hasName rdf:datatype="http://www.w3.org/2001/XMLSchema#string"
     >Morava e Binçës</inws-core:hasName>
-  </realmHydroBody:River>
-  <realmHydroBody:River rdf:about="http://inwatersense.uni-pr.edu/ontologies/inws-core.owl#r18">
+  </soreahb:River>
+  <soreahb:River rdf:about="http://inwatersense.uni-pr.edu/ontologies/inws-core.owl#r18">
     <inws-core:hasBasin rdf:resource="http://inwatersense.uni-pr.edu/ontologies/inws-core.owl#b1"/>
     <inws-core:hasName rdf:datatype="http://www.w3.org/2001/XMLSchema#string"
     >Klina</inws-core:hasName>
-  </realmHydroBody:River>
-  <realmHydroBody:River rdf:about="http://inwatersense.uni-pr.edu/ontologies/inws-core.owl#r17">
+  </soreahb:River>
+  <soreahb:River rdf:about="http://inwatersense.uni-pr.edu/ontologies/inws-core.owl#r17">
     <inws-core:hasName rdf:datatype="http://www.w3.org/2001/XMLSchema#string"
     >Istogu</inws-core:hasName>
     <inws-core:hasBasin rdf:resource="http://inwatersense.uni-pr.edu/ontologies/inws-core.owl#b1"/>
-  </realmHydroBody:River>
-  <realmHydroBody:River rdf:about="http://inwatersense.uni-pr.edu/ontologies/inws-core.owl#r19">
+  </soreahb:River>
+  <soreahb:River rdf:about="http://inwatersense.uni-pr.edu/ontologies/inws-core.owl#r19">
     <inws-core:hasBasin rdf:resource="http://inwatersense.uni-pr.edu/ontologies/inws-core.owl#b1"/>
     <inws-core:hasName rdf:datatype="http://www.w3.org/2001/XMLSchema#string"
     >Bistrica e Deçanit</inws-core:hasName>
-  </realmHydroBody:River>
+  </soreahb:River>
   <ssn:Device rdf:about="http://inwatersense.uni-pr.edu/ontologies/inws-core.owl#d4">
     <rdf:type rdf:resource="http://purl.oclc.org/NET/ssnx/ssn#Sensor"/>
     <inws-core:hasDescription rdf:datatype="http://www.w3.org/2001/XMLSchema#string"
@@ -256,11 +256,11 @@
     >Device 3</inws-core:hasName>
     <inws-core:isDeviceType rdf:resource="http://inwatersense.uni-pr.edu/ontologies/inws-core.owl#t7"/>
   </ssn:Device>
-  <realmHydroBody:River rdf:about="http://inwatersense.uni-pr.edu/ontologies/inws-core.owl#r10">
+  <soreahb:River rdf:about="http://inwatersense.uni-pr.edu/ontologies/inws-core.owl#r10">
     <inws-core:hasName rdf:datatype="http://www.w3.org/2001/XMLSchema#string"
     >Nerodime</inws-core:hasName>
     <inws-core:hasBasin rdf:resource="http://inwatersense.uni-pr.edu/ontologies/inws-core.owl#b4"/>
-  </realmHydroBody:River>
+  </soreahb:River>
   <inws-core:GatewayNode rdf:about="http://inwatersense.uni-pr.edu/ontologies/inws-core.owl#g2">
     <inws-core:hasDescription rdf:datatype="http://www.w3.org/2001/XMLSchema#string"
     >Gateway 1</inws-core:hasDescription>
@@ -408,11 +408,11 @@
     <inws-core:hasMeasurementSite>
       <epa:MeasurementSite rdf:about="http://inwatersense.uni-pr.edu/ontologies/inws-core.owl#ms12">
         <inws-core:isMeasurementSiteOf>
-          <realmHydroBody:River rdf:about="http://inwatersense.uni-pr.edu/ontologies/inws-core.owl#r1">
+          <soreahb:River rdf:about="http://inwatersense.uni-pr.edu/ontologies/inws-core.owl#r1">
             <inws-core:hasName rdf:datatype="http://www.w3.org/2001/XMLSchema#string"
             >Ibri</inws-core:hasName>
             <inws-core:hasBasin rdf:resource="http://inwatersense.uni-pr.edu/ontologies/inws-core.owl#b2"/>
-          </realmHydroBody:River>
+          </soreahb:River>
         </inws-core:isMeasurementSiteOf>
         <inws-core:hasDescription rdf:datatype="http://www.w3.org/2001/XMLSchema#string"
         >DeploymentSites 2</inws-core:hasDescription>
diff --git a/Use-Cases/rivers_sampledata.owl b/Use-Cases/rivers_sampledata.owl
index e497591..63159b9 100644
--- a/Use-Cases/rivers_sampledata.owl
+++ b/Use-Cases/rivers_sampledata.owl
@@ -6,7 +6,7 @@
   <!ENTITY owl "http://www.w3.org/2002/07/owl#">
   <!ENTITY qu "http://www.purl.oclc.org/NET/ssnx/qu/qu#">
   <!ENTITY rdf "http://www.w3.org/1999/02/22-rdf-syntax-ns#">
-  <!ENTITY realmHydroBody "http://sweet.jpl.nasa.gov/2.1/realmHydroBody.owl#">
+  <!ENTITY soreahb "http://sweetontology.net/realmHydroBody/">
   <!ENTITY ssn "http://purl.oclc.org/NET/ssnx/ssn#">
   <!ENTITY testMap11 "file:/C:/d2rq-0.8.1/testMap11.owl">
   <!ENTITY time "http://www.w3.org/2006/time#">
@@ -20,7 +20,7 @@
          xmlns:owl="&owl;"
          xmlns:qu="&qu;"
          xmlns:rdf="&rdf;"
-         xmlns:realmHydroBody="&realmHydroBody;"
+         xmlns:soreahb="&soreahb;"
          xmlns:ssn="&ssn;"
          xmlns:time="&time;"
          xmlns:wgs84_pos="&wgs84_pos;">
@@ -34,8 +34,8 @@
   <owl:Class rdf:about="&ssn;ObservationValue"/>
   <owl:Class rdf:about="&ssn;Sensor"/>
   <owl:Class rdf:about="&ssn;SensorOutput"/>
-  <owl:Class rdf:about="&realmHydroBody;Basin"/>
-  <owl:Class rdf:about="&realmHydroBody;River"/>
+  <owl:Class rdf:about="&soreahb;Basin"/>
+  <owl:Class rdf:about="&soreahb;River"/>
   <owl:Class rdf:about="&epa;MeasurementSite"/>
   <owl:Class rdf:about="&ont;Acidification_status"/>
   <owl:Class rdf:about="&ont;CentralMonitoringNode"/>
@@ -127,25 +127,25 @@
     <qu:symbol rdf:datatype="&xsd;string">NTU</qu:symbol>
   </ont:Other>
 
-  <realmHydroBody:Basin rdf:about="&ont;b1"
+  <soreahb:Basin rdf:about="&ont;b1"
                         ont:hasAnnualFlowing="2.2"
                         ont:hasArea="4649"
                         ont:hasFlowingDirection="Adriatic Sea"
                         ont:hasFlowingQuantity="61"
                         ont:hasName="Drini i Bardhe"/>
-  <realmHydroBody:Basin rdf:about="&ont;b2"
+  <soreahb:Basin rdf:about="&ont;b2"
                         ont:hasAnnualFlowing="771"
                         ont:hasArea="4009"
                         ont:hasFlowingDirection="Black Sea"
                         ont:hasFlowingQuantity="32.6"
                         ont:hasName="Ibri"/>
-  <realmHydroBody:Basin rdf:about="&ont;b3"
+  <soreahb:Basin rdf:about="&ont;b3"
                         ont:hasAnnualFlowing="330"
                         ont:hasArea="1564"
                         ont:hasFlowingDirection="Black Sea"
                         ont:hasFlowingQuantity="6.1"
                         ont:hasName="Morava e Binces"/>
-  <realmHydroBody:Basin rdf:about="&ont;b4"
+  <soreahb:Basin rdf:about="&ont;b4"
                         ont:hasAnnualFlowing="307"
                         ont:hasArea="0.685"
                         ont:hasFlowingDirection="Aegean Sea"
@@ -6951,55 +6951,55 @@
     <ont:hasObservationTime rdf:datatype="&xsd;dateTime">2013-02-13T09:11:08.477</ont:hasObservationTime>
   </time:Instant>
 
-  <realmHydroBody:River rdf:about="&ont;r1"
+  <soreahb:River rdf:about="&ont;r1"
                         ont:hasName="Ibri">
     <ont:hasBasin rdf:resource="&ont;b2"/>
-  </realmHydroBody:River>
+  </soreahb:River>
 
-  <realmHydroBody:River rdf:about="&ont;r10"
+  <soreahb:River rdf:about="&ont;r10"
                         ont:hasName="Nerodime">
     <ont:hasBasin rdf:resource="&ont;b4"/>
-  </realmHydroBody:River>
+  </soreahb:River>
 
-  <realmHydroBody:River rdf:about="&ont;r2"
+  <soreahb:River rdf:about="&ont;r2"
                         ont:hasName="Mirusha">
     <ont:hasBasin rdf:resource="&ont;b1"/>
-  </realmHydroBody:River>
+  </soreahb:River>
 
-  <realmHydroBody:River rdf:about="&ont;r3"
+  <soreahb:River rdf:about="&ont;r3"
                         ont:hasName="Drini i Bardhe">
     <ont:hasBasin rdf:resource="&ont;b1"/>
-  </realmHydroBody:River>
+  </soreahb:River>
 
-  <realmHydroBody:River rdf:about="&ont;r4"
+  <soreahb:River rdf:about="&ont;r4"
                         ont:hasName="Ereniku">
     <ont:hasBasin rdf:resource="&ont;b1"/>
-  </realmHydroBody:River>
+  </soreahb:River>
 
-  <realmHydroBody:River rdf:about="&ont;r5"
+  <soreahb:River rdf:about="&ont;r5"
                         ont:hasName="Sitnica">
     <ont:hasBasin rdf:resource="&ont;b2"/>
-  </realmHydroBody:River>
+  </soreahb:River>
 
-  <realmHydroBody:River rdf:about="&ont;r6"
+  <soreahb:River rdf:about="&ont;r6"
                         ont:hasName="Llapi">
     <ont:hasBasin rdf:resource="&ont;b2"/>
-  </realmHydroBody:River>
+  </soreahb:River>
 
-  <realmHydroBody:River rdf:about="&ont;r7"
+  <soreahb:River rdf:about="&ont;r7"
                         ont:hasName="Bistrica e Pejses">
     <ont:hasBasin rdf:resource="&ont;b1"/>
-  </realmHydroBody:River>
+  </soreahb:River>
 
-  <realmHydroBody:River rdf:about="&ont;r8"
+  <soreahb:River rdf:about="&ont;r8"
                         ont:hasName="Morava e Binces">
     <ont:hasBasin rdf:resource="&ont;b3"/>
-  </realmHydroBody:River>
+  </soreahb:River>
 
-  <realmHydroBody:River rdf:about="&ont;r9"
+  <soreahb:River rdf:about="&ont;r9"
                         ont:hasName="Lepenci">
     <ont:hasBasin rdf:resource="&ont;b4"/>
-  </realmHydroBody:River>
+  </soreahb:River>
 
   <ont:SensingNodeLocation rdf:about="&ont;sl1"
                            ont:hasObservationStartTime="2013-01-01T00:00:00">