Record visual conversion provenance and exclusions

provenance.json

@@ -0,0 +1,14 @@
+{
+  "conversion_sha256": "cd3d9e493eaab12e07b931be2c92b9eda03e65145b74f4745e257172131b486c",
+  "source_url": "https://raw.githubusercontent.com/rewire-online/edos/b1f1fbcca9d42de0395432ada8fcfb5c35f68c77/data/edos_labelled_aggregated.csv",
+  "revision": "b1f1fbcca9d42de0395432ada8fcfb5c35f68c77",
+  "source_sha256": "607bdbb766e1803a28f0eb8fc21c14b6b9dfa20039f726ba6767438584b47f9b",
+  "excluded_train_overlap": 0,
+  "split_policy": "native partitions; training copies of evaluation text removed",
+  "license": "cc0-1.0",
+  "splits": {
+    "train": 14000,
+    "validation": 2000,
+    "test": 4000
+  }
+}