Semantic Interoperability (also referred to as Computable Semantic Interoperability) is the ability of two or more computer systems to exchange information and have the meaning of that information automatically interpreted by the receiving system accurately enough to produce useful results, as defined by the end users of both systems.
Computers are used by human beings to find information, or receive it in a direct transfer, and to use it for purposes that the original creator of the information did not anticipate. At least some aspects of the information must be encoded in some standard fashion interpreted identically by all systems involved in relaying, if not processing or changing, that data.
While the criteria applied by such users will necessarily vary, some are very commonly invoked: the computer system receiving the information is able to use it properly in computation, without human intervention, and produce results satisfactory to the users of that receiver. Any context information required must be somehow reduced to representations that are shared. A common information exchange reference model must exist and both sides must defer to it as authoritative. The content of the information exchange requests are unambiguously defined: What is sent is [[sameness|the same as] what is understood. In terms of the conceptual interoperability model from simulation theory, information must be in a form whose meaning is independent of the application generating or using it.
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