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12-1-22. Survey to contributors about changes in the context
23-12-21. Reviewed and updated the form for manual contribution
21-12-21. updated examples and csv exports of \"Aircraft\",\"AircraftModel\",\"Airline\",\"Airport\",\"Flight\", \"FlightNotification\".
21-12-21. stopped the update of the old context version. Kept but frozen
21-12-31. Update all datamodels' examples to reorder attributes, id and type at the beginning, @context at the end and the rest in alphabetic order
21-12-21. Updated streelight model. mispelled attribute.
13-12-21. Updated, pending to be published the streetlight data model