diff --git a/src/main/clj/org/domaindrivenarchitecture/activity_pub_poc/parser.clj b/src/main/clj/org/domaindrivenarchitecture/activity_pub_poc/parser.clj
new file mode 100644
index 0000000..91a6b84
--- /dev/null
+++ b/src/main/clj/org/domaindrivenarchitecture/activity_pub_poc/parser.clj
@@ -0,0 +1,35 @@
+(ns org.domaindrivenarchitecture.activity-pub-poc.parser
+  (:require [org.domaindrivenarchitecture.activity-pub-poc.common :as cm]
+            [clojure.string :as str]))
+
+(def activitystreams-turtle (slurp cm/activitystreams-ttl))
+
+; pre-format
+(defn delete-comments-and-newlines [resource-file]
+  (apply str 
+         (remove 
+          #(or (re-matches #"^#.*" %) (re-matches #"" %))
+          (str/split-lines 
+           (slurp resource-file)))))
+
+; find definitions
+(defn find-definitions [string-input]
+  (str/split string-input #" \."))
+
+
+; make list of vectors/map from well known input-string
+; distinguish iri,keyword and prefix
+; if keyword make a triple
+; if iri or prefix make a map:
+; 
+;{{prefix:xyz prefix:zab} 
+; [{prefix:bla "possibly string"@someKeyword}
+;  {prefix:foo prefix:orSthElse}
+;  {prefix:range ; range muss sich liebevoll angeschaut werden
+;   [
+;    prefix:Type
+;    prefix:Type 
+;                 
+;  ]}]}
+(defn to-map-from-def [string-input])
+