Over the last fifteen years, Railroads in the US, Europe and other countries have been using  RFID devices on their locomotives and railcars.  Typically, this Information is stored in traditional (i.e. mostly relational) databases. Information from the RFID scanner provides information about the railcar number and locomotive number. This railcar number is then mapped to existing railcar and train schedule. Timestamp information on scanned data also provides us the sequence of cars on that train. Information from data obtained by scanning RFID on locomotive provides us the number of locomotives and the total horsepower assigned to the train. It also informs whether locomotive is coupled in front of the train or rear of the train.

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