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Orthopairs: a simple and widely used way to model uncertainty. (English) Zbl 1242.68309
Summary: The term orthopair is introduced to group under a unique definition different ways used to denote the same concept. Some orthopair models dealing with uncertainty are analyzed both from a mathematical and semantical point of view, outlining similarities and differences among them. Finally, lattice operations on orthopairs are studied and a survey on algebraic structures is provided.

MSC:
68T30 Knowledge representation
68T37 Reasoning under uncertainty in the context of artificial intelligence
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