would maintaining a map of products product_x[supermarket] with 2-3 values work? I don't suspect that supermarkets would be very keen to change the name (but t

would maintaining a map of products product_x[supermarket] with 2-3 values work? I don't suspect that supermarkets would be very keen to change the name (but they might play other dirty games) I am thinking of doing the same thing for linux packages in debian and fedora