grep ";Date\"" metware.skos
<skos:Concept rdf:about="&metware;Date">
<skos:definition>Date and time when the Data File was uploaded.</skos:definition>
<skos:Concept rdf:about="&metware;Date">
<skos:definition>Date on which the data preprocessing analysis has been performed.</skos:definition>
You can find more of these via
grep "<skos:Concept" metware.skos | sort | uniq -d
<skos:Concept rdf:about="&metware;Date">
<skos:Concept rdf:about="&metware;FactorName">
<skos:Concept rdf:about="&metware;Location">
<skos:Concept rdf:about="&metware;MonoisotopicMass">
<skos:Concept rdf:about="&metware;Name">
<skos:Concept rdf:about="&metware;ProtocolName">
[17:16] <sneumann> Actually there are two Cases:
[17:17] <sneumann> One Concept with same semantics such as Date
[17:17] <sneumann> and two different Semantics with same Concept
[17:17] <sneumann> e.g. Location which is Room Number of machine