diff --git a/2024/call/call.html b/2024/call/call.html
index 9d39003..c24fab4 100644
--- a/2024/call/call.html
+++ b/2024/call/call.html
@@ -16,27 +16,27 @@
 						<tbody>
 							<tr>
 								<td colspan="1"></td>
-								<td colspan="1"><input type="radio" /></td>
-								<td colspan="1"><input type="radio" /></td>
-								<td colspan="1"><input type="radio" /></td>
+								<td colspan="1" data-index="2"><input type="radio" /></td>
+								<td colspan="1" data-index="1"><input type="radio" /></td>
+								<td colspan="1" data-index="0"><input type="radio" /></td>
 								<td colspan="1"></td>
 							</tr>
 							<tr>
-								<td colspan="1"><input type="radio" /></td>
+								<td colspan="1" data-index="3"><input type="radio" /></td>
 								<td colspan="1"></td>
 								<td colspan="1"></td>
 								<td colspan="1"></td>
 								<td colspan="1"></td>
 							</tr>
 							<tr>
-								<td colspan="1"><input type="radio" /></td>
+								<td colspan="1" data-index="4"><input type="radio" /></td>
 								<td colspan="1"></td>
 								<td colspan="1"></td>
 								<td colspan="1"></td>
 								<td colspan="1"></td>
 							</tr>
 							<tr>
-								<td colspan="1"><input type="radio" /></td>
+								<td colspan="1" data-index="5"><input type="radio" /></td>
 								<td colspan="1"></td>
 								<td colspan="1"></td>
 								<td colspan="1"></td>
@@ -44,9 +44,9 @@
 							</tr>
 							<tr>
 								<td colspan="1"></td>
-								<td colspan="1"><input type="radio" /></td>
-								<td colspan="1"><input type="radio" /></td>
-								<td colspan="1"><input type="radio" /></td>
+								<td colspan="1" data-index="6"><input type="radio" /></td>
+								<td colspan="1" data-index="7"><input type="radio" /></td>
+								<td colspan="1" data-index="8"><input type="radio" /></td>
 								<td colspan="1"></td>
 							</tr>
 						</tbody>
diff --git a/contexts/projects.json b/contexts/projects.json
index 572d499..b3d9fa2 100644
--- a/contexts/projects.json
+++ b/contexts/projects.json
@@ -13,6 +13,7 @@
 	"date": {"@id": "dc:date", "@type": "http://www.w3.org/2001/XMLSchema#date"},
 	"hasPart": {"@id": "dc:hasPart", "@type": "@id"},
 	"url": {"@id": "@id", "@type": "@id"},
-	"type": {"@id": "@type", "@type": "@id"}
+	"type": {"@id": "@type", "@type": "@id"},
+	"links": {"@id": "dc:link", "@type": "@id"}
     }
 }