diff --git a/factual-consensus-finder/README.md b/factual-consensus-finder/README.md
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--- a/factual-consensus-finder/README.md
+++ b/factual-consensus-finder/README.md
@@ -1,6 +1,52 @@
-# TODO
-# Usage
+# FactualConsensusFinder
+
+Prefusion([FlexiFusion](https://svn.aksw.org/papers/2019/ISWC_FlexiFusion/public.pdf)) based viewer for possible inconsensus in Wikipedia, Wikidata and "Your Data".
+
+## Usage
+ 
+> Prerequisites [node.js & npm](https://nodejs.org/en/)
+  (e.g Debian/Ubunutu `sudo apt-get install nodejs`)
+
+Install project dependencies with
 
 ```
 npm install
 ```
+
+Change application configuration in `config.js`
+
+```
+module.exports = {
+    expose_port: "9005",
+
+    mongo_url: "mongodb://readonly:gfs@88.99.242.78:8989/prefusion",
+    database_name: "prefusion",
+    collection: "provenance",
+
+    id_management: "https://global.dbpedia.org/same-thing/lookup/?uri=",
+
+    default_subject: "https://global.dbpedia.org/id/4KKSo",
+    default_predicate: "http://www.w3.org/2000/01/rdf-schema#label"
+    
+    //DEPRECATED
+    preference: "wikidata.dbpedia.org,en.dbpedia.org,de.dbpedia.org,fr.dbpedia.org,nl.dbpedia.org,sv.dbpedia.org",
+};
+```
+
+Run 
+
+```
+bin/www.js
+```
+
+and then visit [9005](http://localhost:9005)
+
+
+## Routing
+
+| Route | Params | Description |
+|---|---|---|
+| / | ?s=IRI <br> ?p=IRI | Lookup subject predicate pair |
+| /raw | ?s=IRI <br> ?p=IRI | Same as / but returns JSON |
+| /label | ?s=IRI | Get rdfs:label for Resource |
+