diff --git a/MyIA.AI.Notebooks/SymbolicAI/SymbolicLearning/SL-8-KnowledgeGraphs-ILP-Csharp.ipynb b/MyIA.AI.Notebooks/SymbolicAI/SymbolicLearning/SL-8-KnowledgeGraphs-ILP-Csharp.ipynb
index 8bcf905781..eaed99e9c0 100644
--- a/MyIA.AI.Notebooks/SymbolicAI/SymbolicLearning/SL-8-KnowledgeGraphs-ILP-Csharp.ipynb
+++ b/MyIA.AI.Notebooks/SymbolicAI/SymbolicLearning/SL-8-KnowledgeGraphs-ILP-Csharp.ipynb
@@ -50,13 +50,128 @@
    "id": "9f6c5e13",
    "metadata": {
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-     "iopub.status.idle": "2026-07-07T20:34:39.691953Z",
-     "shell.execute_reply": "2026-07-07T20:34:39.691382Z"
+     "iopub.execute_input": "2026-10-15T05:48:32.229408Z",
+     "iopub.status.busy": "2026-10-15T05:48:32.222462Z",
+     "iopub.status.idle": "2026-10-15T05:48:35.659460Z",
+     "shell.execute_reply": "2026-10-15T05:48:35.652073Z"
     }
    },
    "outputs": [
+    {
+     "data": {
+      "text/html": [
+       "\r\n",
+       "<div>\r\n",
+       "    <div id='dotnet-interactive-this-cell-$CACHE_BUSTER$' style='display: none'>\r\n",
+       "        The below script needs to be able to find the current output cell; this is an easy method to get it.\r\n",
+       "    </div>\r\n",
+       "    <script type='text/javascript'>\r\n",
+       
+       "    function timeout(ms, promise) {\r\n",
+       "        return new Promise(function (resolve, reject) {\r\n",
+       "            setTimeout(function () {\r\n",
+       "                reject(new Error('timeout'))\r\n",
+       "            }, ms)\r\n",
+       "            promise.then(resolve, reject)\r\n",
+       "        })\r\n",
+       "    }\r\n",
+       "\r\n",
+       
+       
+       "\r\n",
+       
+       "\r\n",
+       "            if (!rootUrl.endsWith('/')) {\r\n",
+       "                rootUrl = `${rootUrl}/`;\r\n",
+       "            }\r\n",
+       "\r\n",
+       "            try {\r\n",
+       "                let response = await timeout(1000, fetch(`${rootUrl}discovery`, {\r\n",
+       "                    method: 'POST',\r\n",
+       "                    cache: 'no-cache',\r\n",
+       "                    mode: 'cors',\r\n",
+       "                    timeout: 1000,\r\n",
+       "                    headers: {\r\n",
+       "                        'Content-Type': 'text/plain'\r\n",
+       "                    },\r\n",
+       
+       "                }));\r\n",
+       "\r\n",
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+       "                    return rootUrl;\r\n",
+       "                }\r\n",
+       "            }\r\n",
+       "            catch (e) { }\r\n",
+       "        }\r\n",
+       "    }\r\n",
+       "}\r\n",
+       "\r\n",
+       
+       
+       "        .then((root) => {\r\n",
+       "        // use probing to find host url and api resources\r\n",
+       "        // load interactive helpers and language services\r\n",
+       "        let dotnetInteractiveRequire = require.config({\r\n",
+       "        context: '308684.Microsoft.DotNet.Interactive.Http.HttpPort',\r\n",
+       "                paths:\r\n",
+       "            {\r\n",
+       "                'dotnet-interactive': `${root}resources`\r\n",
+       "                }\r\n",
+       "        }) || require;\r\n",
+       "\r\n",
+       "            window.dotnetInteractiveRequire = dotnetInteractiveRequire;\r\n",
+       "\r\n",
+       "            window.configureRequireFromExtension = function(extensionName, extensionCacheBuster) {\r\n",
+       "                let paths = {};\r\n",
+       "                paths[extensionName] = `${root}extensions/${extensionName}/resources/`;\r\n",
+       "                \r\n",
+       "                let internalRequire = require.config({\r\n",
+       "                    context: extensionCacheBuster,\r\n",
+       "                    paths: paths,\r\n",
+       "                    urlArgs: `cacheBuster=${extensionCacheBuster}`\r\n",
+       "                    }) || require;\r\n",
+       "\r\n",
+       "                return internalRequire\r\n",
+       "            };\r\n",
+       "        \r\n",
+       "            dotnetInteractiveRequire([\r\n",
+       "                    'dotnet-interactive/dotnet-interactive'\r\n",
+       "                ],\r\n",
+       "                function (dotnet) {\r\n",
+       "                    dotnet.init(window);\r\n",
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+       "                function (error) {\r\n",
+       "                    console.log(error);\r\n",
+       "                }\r\n",
+       "            );\r\n",
+       "        })\r\n",
+       "        .catch(error => {console.log(error);});\r\n",
+       "    }\r\n",
+       "\r\n",
+       "// ensure `require` is available globally\r\n",
+       "if ((typeof(require) !==  typeof(Function)) || (typeof(require.config) !== typeof(Function))) {\r\n",
+       "    let require_script = document.createElement('script');\r\n",
+       "    require_script.setAttribute('src', 'https://cdnjs.cloudflare.com/ajax/libs/require.js/2.3.6/require.min.js');\r\n",
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+       "    require_script.onload = function() {\r\n",
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+       "    };\r\n",
+       "\r\n",
+       "    document.getElementsByTagName('head')[0].appendChild(require_script);\r\n",
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@@ -108,10 +223,10 @@
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-     "shell.execute_reply": "2026-07-07T20:34:39.938053Z"
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@@ -256,10 +371,10 @@
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-     "shell.execute_reply": "2026-07-07T20:34:40.138277Z"
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+     "shell.execute_reply": "2026-10-15T05:48:36.490478Z"
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@@ -535,10 +650,10 @@
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-     "shell.execute_reply": "2026-07-07T20:34:40.214944Z"
+     "iopub.execute_input": "2026-10-15T05:48:36.492219Z",
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+     "shell.execute_reply": "2026-10-15T05:48:36.723266Z"
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@@ -660,10 +775,10 @@
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-     "shell.execute_reply": "2026-07-07T20:34:40.365756Z"
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+     "shell.execute_reply": "2026-10-15T05:48:37.021252Z"
     }
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@@ -814,10 +929,10 @@
    "id": "106704b4",
    "metadata": {
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-     "iopub.status.idle": "2026-07-07T20:34:40.415020Z",
-     "shell.execute_reply": "2026-07-07T20:34:40.415020Z"
+     "iopub.execute_input": "2026-10-15T05:48:37.022659Z",
+     "iopub.status.busy": "2026-10-15T05:48:37.022498Z",
+     "iopub.status.idle": "2026-10-15T05:48:37.128463Z",
+     "shell.execute_reply": "2026-10-15T05:48:37.128276Z"
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    "outputs": [
@@ -958,10 +1073,10 @@
    "id": "8d143f8c",
    "metadata": {
     "execution": {
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-     "iopub.status.idle": "2026-07-07T20:34:40.467181Z",
-     "shell.execute_reply": "2026-07-07T20:34:40.467181Z"
+     "iopub.execute_input": "2026-10-15T05:48:37.129721Z",
+     "iopub.status.busy": "2026-10-15T05:48:37.129537Z",
+     "iopub.status.idle": "2026-10-15T05:48:37.260136Z",
+     "shell.execute_reply": "2026-10-15T05:48:37.259965Z"
     }
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    "outputs": [
@@ -1073,10 +1188,10 @@
    "id": "9fc192c8",
    "metadata": {
     "execution": {
-     "iopub.execute_input": "2026-07-07T20:34:40.468179Z",
-     "iopub.status.busy": "2026-07-07T20:34:40.468179Z",
-     "iopub.status.idle": "2026-07-07T20:34:40.555057Z",
-     "shell.execute_reply": "2026-07-07T20:34:40.555057Z"
+     "iopub.execute_input": "2026-10-15T05:48:37.261473Z",
+     "iopub.status.busy": "2026-10-15T05:48:37.261302Z",
+     "iopub.status.idle": "2026-10-15T05:48:37.520225Z",
+     "shell.execute_reply": "2026-10-15T05:48:37.520049Z"
     }
    },
    "outputs": [
@@ -1275,18 +1390,10 @@
      "text": [
       "      Julie\r\n"
      ]
-    },
-    {
-     "name": "stderr",
-     "output_type": "stream",
-     "text": [
-      "\r\n",
-      "(1,133): warning CS8632: The annotation for nullable reference types should only be used in code within a '#nullable' annotations context.\r\n",
-      "\r\n"
-     ]
     }
    ],
    "source": [
+    "#nullable enable\n",
     "static void PrintFamilyTree(Dictionary<string, HashSet<(string s, string o)>> rels, string root, string indent = \"\", HashSet<string>? visited = null)\n",
     "{\n",
     "    visited ??= new HashSet<string>();\n",
@@ -1307,7 +1414,7 @@
     "var allChildren = relations[\"parentOf\"].Select(p => p.o).ToHashSet();\n",
     "var roots = allEntities.Where(e => relations[\"parentOf\"].Any(p => p.s == e) && !allChildren.Contains(e)).OrderBy(x => x);\n",
     "foreach (var root in roots)\n",
-    "    PrintFamilyTree(relations, root);"
+    "    PrintFamilyTree(relations, root);\n"
    ]
   },
   {