diff --git a/ssn/chapters/Observation.html b/ssn/chapters/Observation.html
index 73ff0970..dc1baa79 100644
--- a/ssn/chapters/Observation.html
+++ b/ssn/chapters/Observation.html
@@ -863,7 +863,7 @@ <h5><dfn>sosa:observedProperty</dfn></h5>
             </dd>
             <dt>Inverse property of</dt>
             <dd>
-                <a href="http://www.w3.org/ns/sosa/wasObservedBy">sosa:wasObservedBy</a>
+                <a>sosa:wasObservedBy</a>
             </dd>
             <dt>is Defined By</dt>
             <dd>
diff --git a/ssn/chapters/System-capabilities.html b/ssn/chapters/System-capabilities.html
index 278e0f99..48239ed1 100644
--- a/ssn/chapters/System-capabilities.html
+++ b/ssn/chapters/System-capabilities.html
@@ -359,7 +359,7 @@ <h5><dfn>sosa:Battery</dfn></h5>
         <dl>
             <dt>Subclass of</dt>
             <dd>
-                <a href="http://www.w3.org/ns/sosa/System">sosa:System</a>
+                <a>sosa:System</a>
             </dd>
             <dt>is Defined By</dt>
             <dd>
@@ -515,7 +515,7 @@ <h5><dfn>sosa:NormalOperatingConditions</dfn></h5>
         <dl>
             <dt>Subclass of</dt>
             <dd>
-                <a href="http://www.w3.org/ns/sosa/OperatingConditions">sosa:OperatingConditions</a>
+                <a>sosa:OperatingConditions</a>
             </dd>
             <dt>is Defined By</dt>
             <dd>
@@ -578,7 +578,7 @@ <h5><dfn>sosa:SuboptimalOperatingConditions</dfn></h5>
         <dl>
             <dt>Subclass of</dt>
             <dd>
-                <a href="http://www.w3.org/ns/sosa/OperatingConditions">sosa:OperatingConditions</a>
+                <a>sosa:OperatingConditions</a>
             </dd>
             <dt>is Defined By</dt>
             <dd>
@@ -614,7 +614,7 @@ <h5><dfn>sosa:SurvivableConditions</dfn></h5>
         <dl>
             <dt>Subclass of</dt>
             <dd>
-                <a href="http://www.w3.org/ns/sosa/OperatingConditions">sosa:OperatingConditions</a>
+                <a>sosa:OperatingConditions</a>
             </dd>
             <dt>is Defined By</dt>
             <dd>