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Digital twins are commonly divided into subtypes that sometimes include: digital twin prototype (DTP), digital twin instance (DTI), and digital twin aggregate (DTA). [12] The DTP consists of the designs, analyses, and processes that realize a physical product. The DTP exists before there is a physical product.
For example, some authors use the concept of Digital Models (e.g., 3D models) and digital twin indistinctly considering them as interchangeable. [2] [3] However, a significant difference between digital twin and digital 3D models and systems exists and can be outlined based on different level of data integration and information exchange. [4]
Most concepts invoking a simulated reality relate to some form of computer simulation, whether through the creation of a virtual reality that creates appearance of being in a real world, or a theoretical process like mind uploading, in which a mind could be uploaded into a computer simulation. A digital twin is a simulation of a real thing ...
Examples of distributed systems vary from SOA-based systems to massively multiplayer online games to peer-to-peer applications, and blockchain networks like Bitcoin. A computer program that runs in a distributed system is called a distributed program, and distributed programming is the process of writing such programs. [16]
Another example of semantic networks, based on category theory, is ologs. Here each type is an object, representing a set of things, and each arrow is a morphism, representing a function. Commutative diagrams also are prescribed to constrain the semantics.
A digital identity may also be referred to as a digital subject or digital entity. They are the digital representation of a set of claims made by one party about itself or another person, group, thing, or concept. A digital twin [5] which is also commonly known as a data double or virtual twin is a secondary version of the original user's data ...
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Cyber-Physical Systems (CPS) are mechanisms controlled and monitored by MITTAL, tightly integrated with the internet and its users.In cyber-physical systems, physical and software components are deeply intertwined, able to operate on different spatial and temporal scales, exhibit multiple and distinct behavioral modalities, and interact with each other in ways that change with context.