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natural language processing
A field of computer science and linguistics concerned with the interactions between computers and human (natural) languages, especially computational analysis and processing of large amounts of natural language data.
natural minor scale
(music) A type of minor scale with the 3rd, 6th, and 7th notes lowered by one semitone, with the interval pattern:
natural user interface
(computing) A user interface for a computer that is effectively invisible, or becomes invisible to its users with successive learned interactions.
natural user interfaces
liquefied natural gas
natural minor scales
natural numbers object
(category theory) An object which has a distinguished global element (which may be called z, for “zero”) and a distinguished endomorphism (which may be called s, for “successor”) such that iterated compositions of s upon z (i.e., sⁿ∘z) yields other global elements of the same object which correspond to the natural numbers (sⁿ∘z↔n). Such object has the universal property that for any other object with a distinguished global element (call it z’) and a distinguished endomorphism (call it s’), there is a unique morphism (call it φ) from the given object to the other object which maps z to z’ (𝜙∘z=z') and which commutes with s; i.e., 𝜙∘s=s'∘𝜙.