diff --git a/refs/w3c.json b/refs/w3c.json
index 0a7d6eb4e..67801cf26 100644
--- a/refs/w3c.json
+++ b/refs/w3c.json
@@ -194478,24 +194478,19 @@
         }
     },
     "vocab-ssn": {
-        "authors": [
-            "Armin Haller",
-            "Krzysztof Janowicz",
-            "Simon Cox",
-            "Danh Le Phuoc",
-            "Kerry Taylor",
-            "Maxime Lefrançois"
-        ],
-        "href": "https://www.w3.org/TR/vocab-ssn/",
-        "title": "Semantic Sensor Network Ontology",
+        "aliasOf": "vocab-ssn-2017",
+        "isSeriesAlias": true
+    },
+    "vocab-ssn-20160531": {
+        "aliasOf": "vocab-ssn-2017-20160531"
+    },
+    "vocab-ssn-2017": {
         "rawDate": "2017-10-19",
-        "status": "REC",
+        "href": "https://www.w3.org/TR/vocab-ssn-2017/",
+        "title": "Semantic Sensor Network Ontology",
+        "edDraft": "https://w3c.github.io/sdw/ssn/",
         "publisher": "W3C",
-        "edDraft": "https://w3c.github.io/sdw-sosa-ssn/ssn/",
-        "deliveredBy": [
-            "https://www.w3.org/2021/sdw"
-        ],
-        "source": "https://api.w3.org/specifications/vocab-ssn",
+        "source": "https://api.w3.org/specifications/vocab-ssn-2017",
         "versions": {
             "20160531": {
                 "authors": [
@@ -194512,7 +194507,7 @@
                 "deliveredBy": [
                     "https://www.w3.org/2021/sdw"
                 ],
-                "source": "https://api.w3.org/specifications/vocab-ssn/versions/20160531"
+                "source": "https://api.w3.org/specifications/vocab-ssn-2017/versions/20160531"
             },
             "20170105": {
                 "authors": [
@@ -194529,7 +194524,7 @@
                 "deliveredBy": [
                     "https://www.w3.org/2021/sdw"
                 ],
-                "source": "https://api.w3.org/specifications/vocab-ssn/versions/20170105"
+                "source": "https://api.w3.org/specifications/vocab-ssn-2017/versions/20170105"
             },
             "20170504": {
                 "authors": [
@@ -194547,7 +194542,7 @@
                 "deliveredBy": [
                     "https://www.w3.org/2021/sdw"
                 ],
-                "source": "https://api.w3.org/specifications/vocab-ssn/versions/20170504"
+                "source": "https://api.w3.org/specifications/vocab-ssn-2017/versions/20170504"
             },
             "20170711": {
                 "authors": [
@@ -194566,7 +194561,7 @@
                 "deliveredBy": [
                     "https://www.w3.org/2021/sdw"
                 ],
-                "source": "https://api.w3.org/specifications/vocab-ssn/versions/20170711"
+                "source": "https://api.w3.org/specifications/vocab-ssn-2017/versions/20170711"
             },
             "20170907": {
                 "authors": [
@@ -194585,7 +194580,7 @@
                 "deliveredBy": [
                     "https://www.w3.org/2021/sdw"
                 ],
-                "source": "https://api.w3.org/specifications/vocab-ssn/versions/20170907"
+                "source": "https://api.w3.org/specifications/vocab-ssn-2017/versions/20170907"
             },
             "20171019": {
                 "authors": [
@@ -194605,12 +194600,39 @@
                     "https://www.w3.org/2021/sdw"
                 ],
                 "hasErrata": "https://www.w3.org/2017/10/vocab-ssn-errata.html",
-                "source": "https://api.w3.org/specifications/vocab-ssn/versions/20171019"
+                "source": "https://api.w3.org/specifications/vocab-ssn-2017/versions/20171019"
             }
         },
+        "status": "REC",
+        "authors": [
+            "Armin Haller",
+            "Krzysztof Janowicz",
+            "Simon Cox",
+            "Danh Le Phuoc",
+            "Kerry Taylor",
+            "Maxime Lefrançois"
+        ],
+        "deliveredBy": [
+            "https://www.w3.org/2021/sdw"
+        ],
         "repository": "https://github.com/w3c/sdw",
         "hasErrata": "https://www.w3.org/2017/10/vocab-ssn-errata.html"
     },
+    "vocab-ssn-20170105": {
+        "aliasOf": "vocab-ssn-2017-20170105"
+    },
+    "vocab-ssn-20170504": {
+        "aliasOf": "vocab-ssn-2017-20170504"
+    },
+    "vocab-ssn-20170711": {
+        "aliasOf": "vocab-ssn-2017-20170711"
+    },
+    "vocab-ssn-20170907": {
+        "aliasOf": "vocab-ssn-2017-20170907"
+    },
+    "vocab-ssn-20171019": {
+        "aliasOf": "vocab-ssn-2017-20171019"
+    },
     "vocab-ssn-2023": {
         "rawDate": "2025-09-16",
         "href": "https://www.w3.org/TR/vocab-ssn-2023/",