diff --git a/package-lock.json b/package-lock.json
index 5fa6a0e..6d884f5 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1,12 +1,12 @@
 {
   "name": "solid-logic",
-  "version": "4.0.1",
+  "version": "4.0.2",
   "lockfileVersion": 3,
   "requires": true,
   "packages": {
     "": {
       "name": "solid-logic",
-      "version": "4.0.1",
+      "version": "4.0.2",
       "license": "MIT",
       "dependencies": {
         "@inrupt/solid-client-authn-browser": "^3.1.0",
@@ -34,7 +34,7 @@
         "webpack-cli": "^6.0.1"
       },
       "peerDependencies": {
-        "rdflib": "^2.3.0"
+        "rdflib": "^2.3.5"
       }
     },
     "node_modules/@asamuzakjp/css-color": {
@@ -1968,18 +1968,17 @@
       }
     },
     "node_modules/@digitalbazaar/http-client": {
-      "version": "3.4.1",
-      "resolved": "https://registry.npmjs.org/@digitalbazaar/http-client/-/http-client-3.4.1.tgz",
-      "integrity": "sha512-Ahk1N+s7urkgj7WvvUND5f8GiWEPfUw0D41hdElaqLgu8wZScI8gdI0q+qWw5N1d35x7GCRH2uk9mi+Uzo9M3g==",
+      "version": "4.3.0",
+      "resolved": "https://registry.npmjs.org/@digitalbazaar/http-client/-/http-client-4.3.0.tgz",
+      "integrity": "sha512-6lMpxpt9BOmqHKGs9Xm6DP4LlZTBFer/ZjHvP3FcW3IaUWYIWC7dw5RFZnvw4fP57kAVcm1dp3IF+Y50qhBvAw==",
       "license": "BSD-3-Clause",
       "peer": true,
       "dependencies": {
-        "ky": "^0.33.3",
-        "ky-universal": "^0.11.0",
-        "undici": "^5.21.2"
+        "ky": "^1.14.2",
+        "undici": "^6.23.0"
       },
       "engines": {
-        "node": ">=14.0"
+        "node": ">=18.0"
       }
     },
     "node_modules/@discoveryjs/json-ext": {
@@ -2238,16 +2237,6 @@
         "node": "^18.18.0 || ^20.9.0 || >=21.1.0"
       }
     },
-    "node_modules/@fastify/busboy": {
-      "version": "2.1.1",
-      "resolved": "https://registry.npmjs.org/@fastify/busboy/-/busboy-2.1.1.tgz",
-      "integrity": "sha512-vBZP4NlzfOlerQTnba4aqZoMhE/a9HY7HRqoOPaETQcSQuWEIyZMHGfVu6w9wGtGK5fED5qRs2DteVCjOH60sA==",
-      "license": "MIT",
-      "peer": true,
-      "engines": {
-        "node": ">=14"
-      }
-    },
     "node_modules/@frogcat/ttl2jsonld": {
       "version": "0.0.10",
       "resolved": "https://registry.npmjs.org/@frogcat/ttl2jsonld/-/ttl2jsonld-0.0.10.tgz",
@@ -3231,9 +3220,9 @@
       "license": "MIT"
     },
     "node_modules/@types/node": {
-      "version": "24.10.1",
-      "resolved": "https://registry.npmjs.org/@types/node/-/node-24.10.1.tgz",
-      "integrity": "sha512-GNWcUTRBgIRJD5zj+Tq0fKOJ5XZajIiBroOF0yvj2bSU1WvNdYS/dn9UxwsujGW4JX06dnHyjV2y9rRaybH0iQ==",
+      "version": "25.0.10",
+      "resolved": "https://registry.npmjs.org/@types/node/-/node-25.0.10.tgz",
+      "integrity": "sha512-zWW5KPngR/yvakJgGOmZ5vTBemDoSqF3AcV/LrO5u5wTWyEAVVh+IT39G4gtyAkh3CtTZs8aX/yRM82OfzHJRg==",
       "license": "MIT",
       "dependencies": {
         "undici-types": "~7.16.0"
@@ -4637,11 +4626,14 @@
       "license": "CC-BY-4.0"
     },
     "node_modules/canonicalize": {
-      "version": "1.0.8",
-      "resolved": "https://registry.npmjs.org/canonicalize/-/canonicalize-1.0.8.tgz",
-      "integrity": "sha512-0CNTVCLZggSh7bc5VkX5WWPWO+cyZbNd07IHIsSXLia/eAq+r836hgk+8BKoEh7949Mda87VUOitx5OddVj64A==",
+      "version": "2.1.0",
+      "resolved": "https://registry.npmjs.org/canonicalize/-/canonicalize-2.1.0.tgz",
+      "integrity": "sha512-F705O3xrsUtgt98j7leetNhTWPe+5S72rlL5O4jA1pKqBVQ/dT1O1D6PFxmSXvc0SUOinWS57DKx0I3CHrXJHQ==",
       "license": "Apache-2.0",
-      "peer": true
+      "peer": true,
+      "bin": {
+        "canonicalize": "bin/canonicalize.js"
+      }
     },
     "node_modules/chalk": {
       "version": "4.1.2",
@@ -4828,6 +4820,7 @@
       "version": "3.2.0",
       "resolved": "https://registry.npmjs.org/cross-fetch/-/cross-fetch-3.2.0.tgz",
       "integrity": "sha512-Q+xVJLoGOeIMXZmbUK4HYk+69cQH6LudR0Vu/pRm2YlU/hDV9CiS0gKUMaWY5f2NeUH9C1nV3bsTlCo0FsTV1Q==",
+      "dev": true,
       "license": "MIT",
       "dependencies": {
         "node-fetch": "^2.7.0"
@@ -4868,16 +4861,6 @@
         "node": ">=18"
       }
     },
-    "node_modules/data-uri-to-buffer": {
-      "version": "4.0.1",
-      "resolved": "https://registry.npmjs.org/data-uri-to-buffer/-/data-uri-to-buffer-4.0.1.tgz",
-      "integrity": "sha512-0R9ikRb668HB7QDxT1vkpuUBtqc53YyAwMwGeUFKRojY/NWKvdZ+9UYtRfGmhqNbRkTSVpMbmyhXipFFv2cb/A==",
-      "license": "MIT",
-      "peer": true,
-      "engines": {
-        "node": ">= 12"
-      }
-    },
     "node_modules/data-urls": {
       "version": "5.0.0",
       "resolved": "https://registry.npmjs.org/data-urls/-/data-urls-5.0.0.tgz",
@@ -5808,30 +5791,6 @@
         "bser": "2.1.1"
       }
     },
-    "node_modules/fetch-blob": {
-      "version": "3.2.0",
-      "resolved": "https://registry.npmjs.org/fetch-blob/-/fetch-blob-3.2.0.tgz",
-      "integrity": "sha512-7yAQpD2UMJzLi1Dqv7qFYnPbaPx7ZfFK6PiIxQ4PfkGPyNyl2Ugx+a/umUonmKqjhM4DnfbMvdX6otXq83soQQ==",
-      "funding": [
-        {
-          "type": "github",
-          "url": "https://github.com/sponsors/jimmywarting"
-        },
-        {
-          "type": "paypal",
-          "url": "https://paypal.me/jimmywarting"
-        }
-      ],
-      "license": "MIT",
-      "peer": true,
-      "dependencies": {
-        "node-domexception": "^1.0.0",
-        "web-streams-polyfill": "^3.0.3"
-      },
-      "engines": {
-        "node": "^12.20 || >= 14.13"
-      }
-    },
     "node_modules/file-entry-cache": {
       "version": "8.0.0",
       "resolved": "https://registry.npmjs.org/file-entry-cache/-/file-entry-cache-8.0.0.tgz",
@@ -5952,19 +5911,6 @@
         "url": "https://github.com/sponsors/isaacs"
       }
     },
-    "node_modules/formdata-polyfill": {
-      "version": "4.0.10",
-      "resolved": "https://registry.npmjs.org/formdata-polyfill/-/formdata-polyfill-4.0.10.tgz",
-      "integrity": "sha512-buewHzMvYL29jdeQTVILecSaZKnt/RJWjoZCF5OW60Z67/GmSLBkOFM7qh1PI3zFNtJbaZL5eQu1vLfazOwj4g==",
-      "license": "MIT",
-      "peer": true,
-      "dependencies": {
-        "fetch-blob": "^3.1.2"
-      },
-      "engines": {
-        "node": ">=12.20.0"
-      }
-    },
     "node_modules/fs.realpath": {
       "version": "1.0.0",
       "resolved": "https://registry.npmjs.org/fs.realpath/-/fs.realpath-1.0.0.tgz",
@@ -7936,19 +7882,19 @@
       }
     },
     "node_modules/jsonld": {
-      "version": "8.3.3",
-      "resolved": "https://registry.npmjs.org/jsonld/-/jsonld-8.3.3.tgz",
-      "integrity": "sha512-9YcilrF+dLfg9NTEof/mJLMtbdX1RJ8dbWtJgE00cMOIohb1lIyJl710vFiTaiHTl6ZYODJuBd32xFvUhmv3kg==",
+      "version": "9.0.0",
+      "resolved": "https://registry.npmjs.org/jsonld/-/jsonld-9.0.0.tgz",
+      "integrity": "sha512-pjMIdkXfC1T2wrX9B9i2uXhGdyCmgec3qgMht+TDj+S0qX3bjWMQUfL7NeqEhuRTi8G5ESzmL9uGlST7nzSEWg==",
       "license": "BSD-3-Clause",
       "peer": true,
       "dependencies": {
-        "@digitalbazaar/http-client": "^3.4.1",
-        "canonicalize": "^1.0.1",
+        "@digitalbazaar/http-client": "^4.2.0",
+        "canonicalize": "^2.1.0",
         "lru-cache": "^6.0.0",
-        "rdf-canonize": "^3.4.0"
+        "rdf-canonize": "^5.0.0"
       },
       "engines": {
-        "node": ">=14"
+        "node": ">=18"
       }
     },
     "node_modules/jsonld/node_modules/lru-cache": {
@@ -7992,63 +7938,18 @@
       }
     },
     "node_modules/ky": {
-      "version": "0.33.3",
-      "resolved": "https://registry.npmjs.org/ky/-/ky-0.33.3.tgz",
-      "integrity": "sha512-CasD9OCEQSFIam2U8efFK81Yeg8vNMTBUqtMOHlrcWQHqUX3HeCl9Dr31u4toV7emlH8Mymk5+9p0lL6mKb/Xw==",
+      "version": "1.14.2",
+      "resolved": "https://registry.npmjs.org/ky/-/ky-1.14.2.tgz",
+      "integrity": "sha512-q3RBbsO5A5zrPhB6CaCS8ZUv+NWCXv6JJT4Em0i264G9W0fdPB8YRfnnEi7Dm7X7omAkBIPojzYJ2D1oHTHqug==",
       "license": "MIT",
       "peer": true,
       "engines": {
-        "node": ">=14.16"
+        "node": ">=18"
       },
       "funding": {
         "url": "https://github.com/sindresorhus/ky?sponsor=1"
       }
     },
-    "node_modules/ky-universal": {
-      "version": "0.11.0",
-      "resolved": "https://registry.npmjs.org/ky-universal/-/ky-universal-0.11.0.tgz",
-      "integrity": "sha512-65KyweaWvk+uKKkCrfAf+xqN2/epw1IJDtlyCPxYffFCMR8u1sp2U65NtWpnozYfZxQ6IUzIlvUcw+hQ82U2Xw==",
-      "license": "MIT",
-      "peer": true,
-      "dependencies": {
-        "abort-controller": "^3.0.0",
-        "node-fetch": "^3.2.10"
-      },
-      "engines": {
-        "node": ">=14.16"
-      },
-      "funding": {
-        "url": "https://github.com/sindresorhus/ky-universal?sponsor=1"
-      },
-      "peerDependencies": {
-        "ky": ">=0.31.4",
-        "web-streams-polyfill": ">=3.2.1"
-      },
-      "peerDependenciesMeta": {
-        "web-streams-polyfill": {
-          "optional": true
-        }
-      }
-    },
-    "node_modules/ky-universal/node_modules/node-fetch": {
-      "version": "3.3.2",
-      "resolved": "https://registry.npmjs.org/node-fetch/-/node-fetch-3.3.2.tgz",
-      "integrity": "sha512-dRB78srN/l6gqWulah9SrxeYnxeddIG30+GOqK/9OlLVyLg3HPnr6SqOWTWOXKRwC2eGYCkZ59NNuSgvSrpgOA==",
-      "license": "MIT",
-      "peer": true,
-      "dependencies": {
-        "data-uri-to-buffer": "^4.0.0",
-        "fetch-blob": "^3.1.4",
-        "formdata-polyfill": "^4.0.10"
-      },
-      "engines": {
-        "node": "^12.20.0 || ^14.13.1 || >=16.0.0"
-      },
-      "funding": {
-        "type": "opencollective",
-        "url": "https://opencollective.com/node-fetch"
-      }
-    },
     "node_modules/leven": {
       "version": "3.1.0",
       "resolved": "https://registry.npmjs.org/leven/-/leven-3.1.0.tgz",
@@ -8324,27 +8225,6 @@
       "dev": true,
       "license": "MIT"
     },
-    "node_modules/node-domexception": {
-      "version": "1.0.0",
-      "resolved": "https://registry.npmjs.org/node-domexception/-/node-domexception-1.0.0.tgz",
-      "integrity": "sha512-/jKZoMpw0F8GRwl4/eLROPA3cfcXtLApP0QzLmUT/HuPCZWyB7IY9ZrMeKw2O/nFIqPQB3PVM9aYm0F312AXDQ==",
-      "deprecated": "Use your platform's native DOMException instead",
-      "funding": [
-        {
-          "type": "github",
-          "url": "https://github.com/sponsors/jimmywarting"
-        },
-        {
-          "type": "github",
-          "url": "https://paypal.me/jimmywarting"
-        }
-      ],
-      "license": "MIT",
-      "peer": true,
-      "engines": {
-        "node": ">=10.5.0"
-      }
-    },
     "node_modules/node-fetch": {
       "version": "2.7.0",
       "resolved": "https://registry.npmjs.org/node-fetch/-/node-fetch-2.7.0.tgz",
@@ -8946,35 +8826,45 @@
       }
     },
     "node_modules/rdf-canonize": {
-      "version": "3.4.0",
-      "resolved": "https://registry.npmjs.org/rdf-canonize/-/rdf-canonize-3.4.0.tgz",
-      "integrity": "sha512-fUeWjrkOO0t1rg7B2fdyDTvngj+9RlUyL92vOdiB7c0FPguWVsniIMjEtHH+meLBO9rzkUlUzBVXgWrjI8P9LA==",
+      "version": "5.0.0",
+      "resolved": "https://registry.npmjs.org/rdf-canonize/-/rdf-canonize-5.0.0.tgz",
+      "integrity": "sha512-g8OUrgMXAR9ys/ZuJVfBr05sPPoMA7nHIVs8VEvg9QwM5W4GR2qSFEEHjsyHF1eWlBaf8Ev40WNjQFQ+nJTO3w==",
       "license": "BSD-3-Clause",
       "peer": true,
       "dependencies": {
         "setimmediate": "^1.0.5"
       },
       "engines": {
-        "node": ">=12"
+        "node": ">=18"
       }
     },
     "node_modules/rdflib": {
-      "version": "2.3.0",
-      "resolved": "https://registry.npmjs.org/rdflib/-/rdflib-2.3.0.tgz",
-      "integrity": "sha512-Md241rzw8XgGZYfHaQi5SunvaxOVUgjCVTcY4DHZpAkrNPrk93DGoexo6RgulymiR1DkCHRi8C8+Ab+0QmpcYg==",
+      "version": "2.3.5",
+      "resolved": "https://registry.npmjs.org/rdflib/-/rdflib-2.3.5.tgz",
+      "integrity": "sha512-dXW3GbHSKx3vctY3YUm7O/EVj4pNVueUgrm3GBsWjwrRkkFBu2+9Sd5zjhi/skbzhpQ9d45rO/2HGD8zi0oubw==",
       "license": "MIT",
       "peer": true,
       "dependencies": {
-        "@babel/runtime": "^7.26.9",
+        "@babel/runtime": "^7.28.4",
         "@frogcat/ttl2jsonld": "^0.0.10",
         "@rdfjs/types": "^2.0.1",
-        "@xmldom/xmldom": "^0.8.10",
-        "cross-fetch": "^3.2.0",
-        "jsonld": "^8.3.3",
-        "n3": "^1.23.1",
+        "@xmldom/xmldom": "^0.8.11",
+        "cross-fetch": "^4.1.0",
+        "jsonld": "^9.0.0",
+        "n3": "^1.26.0",
         "solid-namespace": "^0.5.4"
       }
     },
+    "node_modules/rdflib/node_modules/cross-fetch": {
+      "version": "4.1.0",
+      "resolved": "https://registry.npmjs.org/cross-fetch/-/cross-fetch-4.1.0.tgz",
+      "integrity": "sha512-uKm5PU+MHTootlWEY+mZ4vvXoCn4fLQxT9dSc1sXVMSFkINTJVN8cAQROpwcKm8bJ/c7rgZVIBWzH5T78sNZZw==",
+      "license": "MIT",
+      "peer": true,
+      "dependencies": {
+        "node-fetch": "^2.7.0"
+      }
+    },
     "node_modules/react-is": {
       "version": "18.3.1",
       "resolved": "https://registry.npmjs.org/react-is/-/react-is-18.3.1.tgz",
@@ -10369,16 +10259,13 @@
       }
     },
     "node_modules/undici": {
-      "version": "5.29.0",
-      "resolved": "https://registry.npmjs.org/undici/-/undici-5.29.0.tgz",
-      "integrity": "sha512-raqeBD6NQK4SkWhQzeYKd1KmIG6dllBOTt55Rmkt4HtI9mwdWtJljnrXjAFUBLTSN67HWrOIZ3EPF4kjUw80Bg==",
+      "version": "6.23.0",
+      "resolved": "https://registry.npmjs.org/undici/-/undici-6.23.0.tgz",
+      "integrity": "sha512-VfQPToRA5FZs/qJxLIinmU59u0r7LXqoJkCzinq3ckNJp3vKEh7jTWN589YQ5+aoAC/TGRLyJLCPKcLQbM8r9g==",
       "license": "MIT",
       "peer": true,
-      "dependencies": {
-        "@fastify/busboy": "^2.0.0"
-      },
       "engines": {
-        "node": ">=14.0"
+        "node": ">=18.17"
       }
     },
     "node_modules/undici-types": {
@@ -10572,16 +10459,6 @@
         "node": ">=10.13.0"
       }
     },
-    "node_modules/web-streams-polyfill": {
-      "version": "3.3.3",
-      "resolved": "https://registry.npmjs.org/web-streams-polyfill/-/web-streams-polyfill-3.3.3.tgz",
-      "integrity": "sha512-d2JWLCivmZYTSIoge9MsgFCZrt571BikcWGYkjC1khllbTeDlGqZ2D8vD8E/lJa8WGWbb7Plm8/XJYV7IJHZZw==",
-      "license": "MIT",
-      "peer": true,
-      "engines": {
-        "node": ">= 8"
-      }
-    },
     "node_modules/webidl-conversions": {
       "version": "7.0.0",
       "resolved": "https://registry.npmjs.org/webidl-conversions/-/webidl-conversions-7.0.0.tgz",
diff --git a/package.json b/package.json
index 87746d8..4df1a9e 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "solid-logic",
-  "version": "4.0.1",
+  "version": "4.0.2",
   "description": "Core business logic of SolidOS",
   "type": "module",
   "main": "dist/solid-logic.js",
@@ -47,6 +47,9 @@
     "url": "https://github.com/solidos/solid-logic/issues"
   },
   "homepage": "https://github.com/solidos/solid-logic#readme",
+  "engines": {
+    "node": ">=18"
+  },
   "devDependencies": {
     "@babel/core": "^7.28.4",
     "@babel/preset-env": "^7.28.3",
@@ -73,6 +76,6 @@
     "solid-namespace": "^0.5.4"
   },
   "peerDependencies": {
-    "rdflib": "^2.3.0"
+    "rdflib": "^2.3.5"
   }
 }
diff --git a/test/chatLogic.test.ts b/test/chatLogic.test.ts
index 9a7281a..3024a5b 100644
--- a/test/chatLogic.test.ts
+++ b/test/chatLogic.test.ts
@@ -97,11 +97,11 @@ describe('Chat logic', () => {
 @prefix dc: <http://purl.org/dc/elements/1.1/>.
 @prefix meeting: <http://www.w3.org/ns/pim/meeting#>.
 @prefix xsd: <http://www.w3.org/2001/XMLSchema#>.
-@prefix c: </profile/card.ttl#>.
+@prefix card: </profile/card.ttl#>.
 
 :this
     a meeting:LongChat;
-    dc:author c:me;
+    dc:author card:me;
     dc:created "2021-02-06T10:11:12Z"^^xsd:dateTime;
     dc:title "Chat channel".
 `)
diff --git a/tsconfig.json b/tsconfig.json
index c1a42ce..c1265ca 100644
--- a/tsconfig.json
+++ b/tsconfig.json
@@ -55,7 +55,8 @@
       "node_modules/@types"
     ] /* List of folders to include type definitions from. */,
     // "allowSyntheticDefaultImports": true,  /* Allow default imports from modules with no default export. This does not affect code emit, just typechecking. */
-    "esModuleInterop": true /* Enables emit interoperability between CommonJS and ES Modules via creation of namespace objects for all imports. Implies 'allowSyntheticDefaultImports'. */
+    "esModuleInterop": true, /* Enables emit interoperability between CommonJS and ES Modules via creation of namespace objects for all imports. Implies 'allowSyntheticDefaultImports'. */
+    "skipLibCheck": true /* Skip type checking of declaration files in node_modules */
     // "preserveSymlinks": true,              /* Do not resolve the real path of symlinks. */
 
     /* Source Map Options */