Merge branch 'gh-pages' into usage-report

# Conflicts:
#	ssn/usage/config.js
#	ssn/usage/index.html

Author: dr-shorthair

.github/workflows/check-repository.yml

@@ -0,0 +1,28 @@
+name: Check Repository Integrity
+
+on:
+  push:
+    branches:
+      - "**"  # Run on all branches
+
+jobs:
+  check-repo:
+    runs-on: ubuntu-latest
+
+    steps:
+      - name: Checkout repository
+        uses: actions/checkout@v4
+
+      - name: Set up Python
+        uses: actions/setup-python@v5
+        with:
+          python-version: "3.13"
+
+      - name: Install dependencies
+        run: |
+          python -m pip install --upgrade pip
+          pip install rdflib
+
+      - name: Run repository check
+        run: |
+          python ssn/scripts/check_repository.py

.github/workflows/shacl-validation.yml

@@ -12,16 +12,18 @@ jobs:
     runs-on: ubuntu-latest
 
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
         with:
           fetch-depth: 1
       - name: Setup Python
-        uses: actions/setup-python@v3
+        uses: actions/setup-python@v5
         with:
-          python-version: '3.x'
+          python-version: '3.13'
       - name: Install dependencies
         run: |
           python -m pip install --upgrade pip
           pip install pyshacl rdflib
       - name: Run SHACL validations
-        run: python ssn/scripts/validate.py
+        run: |
+          cd ssn
+          python scripts/validate.py

.gitignore

@@ -0,0 +1,3 @@
+*.pdf
+.vscode/
+*.bkp

README.md

@@ -1,44 +1,46 @@
 # sdw-sosa-ssn
 
-This is a repository for the <a href="https://www.w3.org/2021/sdw/">Spatial Data on the Web Working Group</a>, a collaborative project between <a href="http://www.w3.org/">W3C</a> and <a href="http://www.opengeospatial.org/">OGC</a>.
+This is a repository for the [Spatial Data on the Web Working Group](https://www.w3.org/2021/sdw/), a collaborative project between [W3C](https://www.w3.org/) and [OGC](https://ogc.org/).
 
-This repository has been factored out as a submodule of the original repository at [https://github.com/w3c/sdw](https://github.com/w3c/sdw)
+This repository has been factored out as a submodule of the original repository at [https://github.com/w3c/sdw](https://github.com/w3c/sdw).
 
-The repo is used for developing editors drafts of some of the Working Group's <a href="https://www.w3.org/2021/10/sdw-charter.html#deliverables">deliverables</a> and related resources, in particular:
+The repo is used for developing editors drafts of some of the Working Group's [deliverables](https://www.w3.org/2021/10/sdw-charter.html#deliverables) and related resources, in particular:
 
 <dl>
-<dt><a href="https://github.com/w3c/sdw-sosa-ssn/tree/gh-pages/ssn-extensions">ssn-extensions</a></dt>
+  <dt><a href="https://github.com/w3c/sdw-sosa-ssn/tree/gh-pages/ssn">ssn</a></dt>
   <dd>
-    Extensions to the SSN ontology to enable linking directly to the ultimate feature-of-interest alongside the link to the (proximate) feature-of-interest; and homogeneous collections of observations.
-    <br/><a href="https://w3c.github.io/sdw-sosa-ssn/ssn-extensions/">Editor's Draft</a>
-    <br/><a href="https://www.w3.org/TR/vocab-ssn-ext/">Working Draft</a>
+    The Semantic Sensor Network Ontology — 2023 Edition
+    <br><a href="https://w3c.github.io/sdw-sosa-ssn/ssn/">Editor's Draft</a>
+    <br><a href="https://www.w3.org/TR/vocab-ssn-2023">Public working draft</a>
+    <br><a href="https://www.w3.org/TR/vocab-ssn/">W3C Recommendation from 2017</a>
   </dd>
-
-  <dt><a href="https://github.com/w3c/sdw-sosa-ssn/tree/gh-pages/ssn-usage">ssn-usage</a></dt>
+  <dt><a href="https://github.com/w3c/sdw-sosa-ssn/tree/gh-pages/ssn/rdf">ssn/rdf</a></dt>
   <dd>
-    The implementation report for the Semantic Sensor Network Ontology, initially developed by the Spatial Data on the Web Working Group.
-    <br/><a href="https://w3c.github.io/sdw-sosa-ssn/ssn-usage/">Implementation report</a>
+    RDF implementation of the SSN Ontology — 2023 edition, plus supporting resources
   </dd>
-
-  <dt><a href="https://github.com/w3c/sdw-sosa-ssn/tree/gh-pages/ssn-usecases">ssn-usecases</a></dt>
+  <dt><a href="https://github.com/w3c/sdw-sosa-ssn/tree/gh-pages/ssn/rdf/ontology">ssn/rdf/ontology</a></dt>
   <dd>
-    A use cases document describing the reasons and new use cases for a proposed update to SSN in 2023.
-    <br/><a href="https://w3c.github.io/sdw-sosa-ssn/ssn-usecases/">SSN Use cases</a>
+    RDF implementation of the SSN Ontology — 2023 edition
   </dd>
-
-  <dt><a href="https://github.com/w3c/sdw-sosa-ssn/tree/gh-pages/ssn">ssn</a></dt>
+  <dt><a href="https://github.com/w3c/sdw-sosa-ssn/tree/gh-pages/ssn/rdf/ontology/core">ssn/rdf/ontology/core</a></dt>
   <dd>
-    The Semantic Sensor Network Ontology Recommendation
-    <br/><a href="https://w3c.github.io/sdw-sosa-ssn/ssn/">Editor's Draft</a>
-    <br/><a href="https://www.w3.org/TR/vocab-ssn/">W3C Recommendation</a>
-
-    This is a working draft with both SSN and SOSA ontology source files, examples and the specification document.
-
+    RDF implementation of the core terms of the SSN Ontology — 2023 edition — in `sosa:` namespace
+  </dd>
+  <dt><a href="https://github.com/w3c/sdw-sosa-ssn/tree/gh-pages/ssn/rdf/ontology/extensions">ssn/rdf/ontology/extensions</a></dt>
+  <dd>
+    RDF implementation of extensions to the SSN Ontology — documented in the (draft) Recommendation
+  </dd>
+  <dt><a href="https://github.com/w3c/sdw-sosa-ssn/tree/gh-pages/ssn/rdf/ontology/alignments">ssn/rdf/ontology/alignments</a></dt>
+  <dd>
+    RDF implementation of alignments of the SSN Ontology to external ontologies — documented in the (draft) Recommendation
+  </dd>
+  <dt><a href="https://github.com/w3c/sdw-sosa-ssn/tree/gh-pages/ssn/rdf/examples">ssn/rdf/examples</a></dt>
+  <dd>
+    RDF examples of applications of the SSN Ontology 
   </dd>
 </dl>
 
 ## How to provide comments
 
 Comments are welcome as issues raised against this repository.
-WG members should use the primary <a href="mailto:public-sdw-wg@w3.org">public-sdw-wg@w3.org</a> mailing list [<a href="https://lists.w3.org/Archives/Public/public-sdw-wg/">archive</a>].
- 
+WG members should use the primary [public-sdw-wg@w3.org](mailto:public-sdw-wg@w3.org) mailing list [archive](https://lists.w3.org/Archives/Public/public-sdw-wg/).