Metaweb, by contrast, reconciles conflicting data and ensures that each object exists only once in the database.
The latter must be assumed in the most rigorous sense: everything real is unique and it exists only once.
For starters, goods in the physical world are unique — my stolen candlesticks can exist only once, whereas a set of stolen credentials can be copied and resold repeatedly at no cost to the thief.
In the Multi-Generation Register each child exists only once while parents are present as many times as they have children.
Where 130 once existed, only about nine remain, some four and five stories high.
Of the huge numbers that must have once existed, only a fraction remain.
All told, the McKinney case might seem to mark a victory for ideas of sexual equity that had once existed only on the fringes of American culture.
While the slow drift toward the corporate end times may have a long backstory, we are drawing closer to a cultural relationship with products and mass entertainment that once existed only in speculative fiction.
He also spoke of his excitement at the idea of a vibrant social movement, echoing a sentiment expressed by Rebecca Nathanson in an issue of the Gazette: "This is the first time in my lifetime that a social movement has been so resonant; what once existed only in textbooks now exists in my own life".
Finally, their idea that once existed only on paper turns into a reality.
Within your lifetime, you may get to see real hoverboards, holograms, flying cars, and all the coolest innovations that once existed only in the imaginations of scifi authors.
