+
+The output files have 4 colums:
+
+- `itemid` links to the wikidata entity
+- `label` is the translation of the relevant keyword
+- `langcode` is the [iso 639-1](https://en.wikipedia.org/wiki/List_of_ISO_639-1_codes) code corresponding the language of the label.
+- `is_alt` indicates whether the label is an [alias](https://www.wikidata.org/wiki/Help:Aliases).