diff --git a/psi-ms.owl b/psi-ms.owl
index cd28792..2d8916e 100644
--- a/psi-ms.owl
+++ b/psi-ms.owl
@@ -10,13 +10,13 @@
      xmlns:rdfs="http://www.w3.org/2000/01/rdf-schema#"
      xmlns:oboInOwl="http://www.geneontology.org/formats/oboInOwl#">
     <owl:Ontology rdf:about="http://purl.obolibrary.org/obo/ms.owl">
-        <owl:versionIRI rdf:resource="http://purl.obolibrary.org/obo/ms/4.1.187/ms.owl"/>
+        <owl:versionIRI rdf:resource="http://purl.obolibrary.org/obo/ms/4.1.188/ms.owl"/>
         <oboInOwl:NamespaceIdRule>* MS:$sequence(7,0,9999999)$</oboInOwl:NamespaceIdRule>
         <oboInOwl:NamespaceIdRule>* PEFF:$sequence(7,0,9999999)$</oboInOwl:NamespaceIdRule>
         <oboInOwl:date>13:01:2025 17:58</oboInOwl:date>
         <oboInOwl:default-namespace>MS</oboInOwl:default-namespace>
         <oboInOwl:hasOBOFormatVersion>1.2</oboInOwl:hasOBOFormatVersion>
-        <oboInOwl:saved-by>Wout Bittremieux</oboInOwl:saved-by>
+        <oboInOwl:saved-by>Joshua Klein</oboInOwl:saved-by>
         <rdfs:comment>For any queries contact psidev-ms-vocab@lists.sourceforge.net</rdfs:comment>
         <rdfs:comment>This work is licensed under the Creative Commons Attribution 4.0 International (CC BY 4.0) license.</rdfs:comment>
         <rdfs:comment>To view a copy of this license, visit https://creativecommons.org/licenses/by/4.0/ or send a letter to Creative Commons, 444 Castro Street, Suite 900, Mountain View, California, 94041, USA.</rdfs:comment>
@@ -78999,7 +78999,7 @@
         <rdfs:subClassOf>
             <owl:Restriction>
                 <owl:onProperty rdf:resource="http://purl.obolibrary.org/obo/ms#has_value_type"/>
-                <owl:someValuesFrom rdf:resource="http://purl.obolibrary.org/obo/ms#float"/>
+                <owl:someValuesFrom rdf:resource="http://www.w3.org/2001/XMLSchema#float"/>
             </owl:Restriction>
         </rdfs:subClassOf>
         <obo:IAO_0000115>The log ratio of successive XIC height quantiles. A value triplet represents the original QuaMeter metrics, the log ratios of XIC-Height-Q2 to XIC-Height-Q1, XIC-Height-Q3 to XIC-Height-Q2, XIC-Height max to XIC-Height-Q3. The number of values in the tuple implies the quantile mode.</obo:IAO_0000115>
@@ -79080,7 +79080,7 @@
         <rdfs:subClassOf>
             <owl:Restriction>
                 <owl:onProperty rdf:resource="http://purl.obolibrary.org/obo/ms#has_value_type"/>
-                <owl:someValuesFrom rdf:resource="http://purl.obolibrary.org/obo/ms#float"/>
+                <owl:someValuesFrom rdf:resource="http://www.w3.org/2001/XMLSchema#float"/>
             </owl:Restriction>
         </rdfs:subClassOf>
         <obo:IAO_0000115>The interval when the respective quantile of the TIC accumulates divided by retention time duration. The number of values in the tuple implies the quantile mode.</obo:IAO_0000115>
@@ -79169,7 +79169,7 @@
         <rdfs:subClassOf>
             <owl:Restriction>
                 <owl:onProperty rdf:resource="http://purl.obolibrary.org/obo/ms#has_value_type"/>
-                <owl:someValuesFrom rdf:resource="http://purl.obolibrary.org/obo/ms#float"/>
+                <owl:someValuesFrom rdf:resource="http://www.w3.org/2001/XMLSchema#float"/>
             </owl:Restriction>
         </rdfs:subClassOf>
         <obo:IAO_0000115>The interval used for acquisition of quantiles of all MS1 events divided by retention time duration. The number of values in the tuple implies the quantile mode.</obo:IAO_0000115>
@@ -79258,7 +79258,7 @@
         <rdfs:subClassOf>
             <owl:Restriction>
                 <owl:onProperty rdf:resource="http://purl.obolibrary.org/obo/ms#has_value_type"/>
-                <owl:someValuesFrom rdf:resource="http://purl.obolibrary.org/obo/ms#float"/>
+                <owl:someValuesFrom rdf:resource="http://www.w3.org/2001/XMLSchema#float"/>
             </owl:Restriction>
         </rdfs:subClassOf>
         <obo:IAO_0000115>The interval used for acquisition of quantiles of all MS2 events divided by retention time duration. The number of values in the tuple implies the quantile mode.</obo:IAO_0000115>
@@ -79353,7 +79353,7 @@
         <rdfs:subClassOf>
             <owl:Restriction>
                 <owl:onProperty rdf:resource="http://purl.obolibrary.org/obo/ms#has_value_type"/>
-                <owl:someValuesFrom rdf:resource="http://purl.obolibrary.org/obo/ms#float"/>
+                <owl:someValuesFrom rdf:resource="http://www.w3.org/2001/XMLSchema#float"/>
             </owl:Restriction>
         </rdfs:subClassOf>
         <obo:IAO_0000115>The log ratios of successive TIC-change quantiles. The TIC changes are the list of MS1 total ion current (TIC) value changes from one to the next scan, produced when each MS1 TIC is subtracted from the preceding MS1 TIC. A value triplet represents the original QuaMeter metrics, the log ratio of the TIC-change Q2 to Q1, Q3 to Q2, TIC-change-max to Q3. The number of values in the tuple implies the quantile mode.</obo:IAO_0000115>
@@ -79441,7 +79441,7 @@
         <rdfs:subClassOf>
             <owl:Restriction>
                 <owl:onProperty rdf:resource="http://purl.obolibrary.org/obo/ms#has_value_type"/>
-                <owl:someValuesFrom rdf:resource="http://purl.obolibrary.org/obo/ms#float"/>
+                <owl:someValuesFrom rdf:resource="http://www.w3.org/2001/XMLSchema#float"/>
             </owl:Restriction>
         </rdfs:subClassOf>
         <obo:IAO_0000115>The log ratios of successive TIC quantiles. A value triplet represents the original QuaMeter metrics, the log ratios of TIC-Q2 to TIC-Q1, TIC-Q3 to TIC-Q2, TIC-max to TIC-Q3. The number of values in the tuple implies the quantile mode.</obo:IAO_0000115>
@@ -79523,7 +79523,7 @@
         <rdfs:subClassOf>
             <owl:Restriction>
                 <owl:onProperty rdf:resource="http://purl.obolibrary.org/obo/ms#has_value_type"/>
-                <owl:someValuesFrom rdf:resource="http://purl.obolibrary.org/obo/ms#float"/>
+                <owl:someValuesFrom rdf:resource="http://www.w3.org/2001/XMLSchema#float"/>
             </owl:Restriction>
         </rdfs:subClassOf>
         <obo:IAO_0000115>The interval used for acquisition of quantiles of all identified MS2 events, after user-defined acceptance criteria are applied, divided by retention time duration. The number of values in the tuple implies the quantile mode. In case of multiple acceptance criteria (FDR) available in proteomics, PSM-level FDR should be used for better comparability.</obo:IAO_0000115>
@@ -82582,12 +82582,6 @@
     
 
 
-    <!-- http://purl.obolibrary.org/obo/ms#float -->
-
-    <owl:Class rdf:about="http://purl.obolibrary.org/obo/ms#float"/>
-    
-
-
     <!-- http://www.w3.org/2001/XMLSchema#anyURI -->
 
     <owl:Class rdf:about="http://www.w3.org/2001/XMLSchema#anyURI"/>