diff --git a/loterre-resolvers/v1/compile.ini b/loterre-resolvers/v1/compile.ini
new file mode 100644
index 0000000..4655ecb
--- /dev/null
+++ b/loterre-resolvers/v1/compile.ini
@@ -0,0 +1,40 @@
+[use]
+plugin = basics
+plugin = analytics
+plugin = storage
+
+# build the reverse index
+[cast]
+location = env('location')
+domain = env('loterreID').prepend('loterre-').append('concepts')
+
+[replace]
+path = id
+value = get('rdf$about')
+# select all keys and remove duplicates to avoid ambiguities
+path = value
+value = get('indexKeys')
+
+# create a entry for all keys
+[exploding]
+
+# invert id & value because of [exploding] which works only by value (not by id)
+[replace]
+path = id
+value = get('value')
+path = value
+value = get('id')
+
+[debug]
+text = INDEX
+
+[save]
+location = env('location')
+domain = env('loterreID').prepend('loterre-').append('indexes')
+path = id
+
+[pop]
+
+[replace]
+path = state
+value = compile