diff --git a/trustgraph-base/trustgraph/rdf.py b/trustgraph-base/trustgraph/rdf.py
index ef1da183..32799b8d 100644
--- a/trustgraph-base/trustgraph/rdf.py
+++ b/trustgraph-base/trustgraph/rdf.py
@@ -1,4 +1,5 @@
 
+RDF_TYPE = "http://www.w3.org/1999/02/22-rdf-syntax-ns#type"
 RDF_LABEL = "http://www.w3.org/2000/01/rdf-schema#label"
 DEFINITION = "http://www.w3.org/2004/02/skos/core#definition"
 SUBJECT_OF = "https://schema.org/subjectOf"
diff --git a/trustgraph-flow/pyproject.toml b/trustgraph-flow/pyproject.toml
index be555668..9bc8354a 100644
--- a/trustgraph-flow/pyproject.toml
+++ b/trustgraph-flow/pyproject.toml
@@ -16,6 +16,7 @@ dependencies = [
     "scylla-driver",
     "cohere",
     "cryptography",
+    "faiss-cpu",
     "falkordb",
     "fastembed",
     "google-genai",
@@ -82,6 +83,7 @@ kg-extract-definitions = "trustgraph.extract.kg.definitions:run"
 kg-extract-objects = "trustgraph.extract.kg.objects:run"
 kg-extract-relationships = "trustgraph.extract.kg.relationships:run"
 kg-extract-topics = "trustgraph.extract.kg.topics:run"
+kg-extract-ontology = "trustgraph.extract.kg.ontology:run"
 kg-manager = "trustgraph.cores:run"
 kg-store = "trustgraph.storage.knowledge:run"
 librarian = "trustgraph.librarian:run"