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A metasystem or meta-system is a "system about other systems", such as describing, generalizing, modelling, or analyzing the other system(s). It links the concepts of a system and meta.
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The unified modeling language (UML) is a general-purpose visual modeling language that is intended to provide a standard way to visualize the design of a system.
In computer science, a compiler-compiler or compiler generator is a programming tool that creates a parser, interpreter, or compiler from some form of formal description of a programming language and machine.
Fibromyalgia is a medical condition defined by the presence of chronic widespread pain, fatigue, waking unrefreshed, cognitive symptoms, lower abdominal pain or cramps, and depression. Other symptoms include insomnia and a general hypersensitivity.
In the context of systems science and systems philosophy, systemics is an initiative to study systems. It is an attempt at developing logical, mathematical, engineering and philosophical paradigms and frameworks in which physical, technological, biological, social, cognitive and metaphysical systems can be studied and modeled.
A metamodel is a model of a model, and metamodeling is the process of generating such metamodels. Thus metamodeling or meta-modeling is the analysis, construction and development of the frames, rules, constraints, models and theories applicable and useful for modeling a predefined class of problems. As its name implies, this concept applies the notions of meta- and modeling in software engineering and systems engineering. Metamodels are of many types and have diverse applications.
OpenEmbedded is a build automation framework and cross-compile environment used to create Linux distributions for embedded devices. The OpenEmbedded framework is developed by the OpenEmbedded community, which was formally established in 2003. OpenEmbedded is the recommended build system of the Yocto Project, which is a Linux Foundation workgroup that assists commercial companies in the development of Linux-based systems for embedded products.
The viable system model (VSM) is a model of the organizational structure of any autonomous system capable of producing itself. It is an implementation of viable system theory. At the biological level, this model is correspondent to autopoiesis.
Valentin Fyodorovich Turchin was a Soviet and American physicist, cybernetician, and computer scientist. He developed the Refal programming language, the theory of metasystem transitions and the notion of supercompilation. He was as a pioneer in artificial intelligence and a proponent of the global brain hypothesis.
A metasystem transition is the emergence, through evolution, of a higher level of organization or control.
Metacompilation is a computation which involves metasystem transitions (MST) from a computing machine M to a metamachine M' which controls, analyzes and imitates the work of M. Semantics-based program transformation, such as partial evaluation and supercompilation (SCP), is metacomputation. Metasystem transitions may be repeated, as when a program transformer gets transformed itself. In this manner MST hierarchies of any height can be formed. The Fox paper reviews one strain of research which was started in Russia by Valentin Turchin's REFAL system in the late 1960s-early 1970s and became known for the development of supercompilation as a distinct method of program transformation. After a brief description of the history of this research line, the paper concentrates on those results and problems where supercompilation is combined with repeated metasystem transitions.
Windows CardSpace is a discontinued identity selector app by Microsoft. It stores references to digital identities of the users, presenting them as visual information cards. CardSpace provides a consistent UI designed to help people to easily and securely use these identities in applications and web sites where they are accepted. Resistance to phishing attacks and adherence to Kim Cameron's "7 Laws of Identity" were goals in its design.
Knowledge Discovery Metamodel (KDM) is a publicly available specification from the Object Management Group (OMG). KDM is a common intermediate representation for existing software systems and their operating environments, that defines common metadata required for deep semantic integration of Application Lifecycle Management tools. KDM was designed as the OMG's foundation for software modernization, IT portfolio management and software assurance. KDM uses OMG's Meta-Object Facility to define an XMI interchange format between tools that work with existing software as well as an abstract interface (API) for the next-generation assurance and modernization tools. KDM standardizes existing approaches to knowledge discovery in software engineering artifacts, also known as software mining.
An information card is a personal digital identity that people can use online, and the key component of an identity metasystem. Visually, each i-card has a card-shaped picture and a card name associated with it that enable people to organize their digital identities and to easily select one they want to use for any given interaction. The information card metaphor has been implemented by identity selectors like Windows CardSpace, DigitalMe or Higgins Identity Selector.
MetaTrader 4, also known as MT4, is an electronic trading platform widely used by online retail foreign exchange speculative traders. It was developed by MetaQuotes Software and released in 2005. The software is licensed to foreign exchange brokers who provide the software to their clients. The software consists of both a client and server component. The server component is run by the broker and the client software is provided to the broker's customers, who use it to see live streaming prices and charts, to place orders, and to manage their accounts.
John Peter van Gigch was an American organizational theorist and Professor Emeritus in System Management at the California State University.
Frank Lee Burns was a U.S. Army lieutenant colonel who served in Vietnam and, in retirement, became an information specialist.
Sergei Mikhailovich Abramov is a Russian mathematician, Professor, Dr.Sc., Corresponding Member of the Russian Academy of Sciences, Director of the Institute of Program Systems of the Russian Academy of Sciences, Rector of the University of Pereslavl (2003—2017). Specialist in the field of system programming and information technologies.
Ping Identity Corporation is an American software company established in 2002 by Andre Durand and Bryan Field-Elliot. It is headquartered in Denver, Colorado, United States with development offices in Vancouver, British Columbia, Tel Aviv, Israel, Austin, Texas, Denver, Colorado, Boston, Massachusetts and Edinburgh, Scotland. Ping also has European operations with offices in London, Paris, and Switzerland as well as offices in Bangalore, Melbourne, and Tokyo, serving Asia-pacific. It was a publicly traded company until getting acquired by Thoma Bravo and taken private in October 2022.
Meta Platforms, Inc., doing business as Meta, and formerly named Facebook, Inc., and TheFacebook, Inc., is an American multinational technology conglomerate based in Menlo Park, California. The company owns and operates Facebook, Instagram, Threads, and WhatsApp, among other products and services. It is considered one of the Big Five American information technology companies, alongside Google's parent company Alphabet, Amazon, Apple, and Microsoft.
The Quest 2 is a virtual reality (VR) headset developed by Reality Labs, a division of Meta Platforms. It was unveiled on September 16, 2020, and released on October 13 as the Oculus Quest 2. It was then rebranded as the Meta Quest 2 in 2022, as part of a company-wide phase-out of the Oculus brand following the rebranding of Facebook, Inc. as Meta.