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MOF originated in the Unified Modeling Language ( UML ); the OMG was in need of a metamodeling architecture to define the UML.
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MOF and Unified
The Object Management Group ( OMG ) has developed a metamodeling architecture to define the Unified Modeling Language ( UML ), called the Meta-Object Facility ( MOF ).
* Meta-Object Facility ( MOF ), a different standard for the Unified Modeling Language ( UML ) of the Object Management Group ( OMG )
The MDA model is related to multiple standards, including the Unified Modeling Language ( UML ), the Meta-Object Facility ( MOF ), XML Metadata Interchange ( XMI ), Enterprise Distributed Object Computing ( EDOC ), the Software Process Engineering Metamodel ( SPEM ), and the Common Warehouse Metamodel ( CWM ).
The MOF is a metamodel ( a model of any kind of metadata ) used notably to define the Unified Modeling Language ( or UML ).
MOF and Language
MOF is a Domain Specific Language ( DSL ) used to define metamodels, just as EBNF is a DSL for defining grammars.
The Object Constraint Language is a precise text language that provides constraint and object query expressions on any MOF model or meta-model that cannot otherwise be expressed by diagrammatic notation.
MOF and UML
As of June 2006 the latest version of UML is 2. 1, MOF is 2. 0 and XMI is 2. 1.
These together provide the foundation for Model Driven Architecture ( MDA ), and related set of standards, building upon the success of UML and MOF.
The most prominent example of a Layer 2 MOF model is the UML metamodel, the model that describes the UML itself.
Because of the similarities between the MOF M3-model and UML structure models, MOF metamodels are usually modeled as UML class diagrams.
In short MOF uses the notion of MOF :: Classes ( not to be confused with UML :: Classes ), as known from object orientation, to define concepts ( model elements ) on a metalayer.
MOF may be used to define object-oriented metamodels ( as UML for example ) as well as non object-oriented metamodels ( as a Petri net or a Web Service metamodel ).
OCL may now be used with any Meta-Object Facility ( MOF ) Object Management Group ( OMG ) meta-model, including UML.
In other words, OCL has a similar relation to UML or MOF as Schematron has to XML.
The MOF / XMI specifications are used for the exchange of UML models.
MOF and OMG
* MOF – Meta Object Facility, an OMG language for specifying metamodels.
The Meta-Object Facility ( MOF ) is an Object Management Group ( OMG ) standard for model-driven engineering.
As of May 2006, the OMG has defined two variants of MOF:
In June 2006, a request for proposal was issued by OMG for a third variant, SMOF ( Semantic MOF ).
* Official MOF specification from OMG
The OMG has defined a specific standard for model transformation called MOF / QVT or in short QVT.
JMI is based on the Meta-Object Facility ( or MOF ) specification from the Object Management Group ( or OMG ).
MOF and was
However, due to the late 1997 Asian Financial Crisis, the undertaking was deemed no longer viable and necessitated the Government taking over of the 55 % and 15 % stake in Cyberview shares held by SHSB and NTT respectively via the Ministry of Finance Inc ( MOF Inc ).
MOF 4. 0 was created to provide guidance across the entire IT life cycle.
MOF and metamodeling
MOF is a closed metamodeling architecture ; it defines an M3-model, which conforms to itself.
MOF and architecture
MOF is designed as a four-layered architecture.
MOF allows a strict meta-modeling architecture ; every model element on every layer is strictly in correspondence with a model element of the layer above.
MOF and define
MOF only provides a means to define the structure, or abstract syntax of a language or of data.
The MOF format is a specific syntax to define CIM class representation in an ASCII file ( e. g. MIB are to SNMP what MOF files are to CIM ).
MOF and .
Image: Blair MOF. jpg | Former United Kingdom Prime Minister Tony Blair receiving the Presidential Medal of Freedom from President George W. Bush on January 13, 2009
Image: Howard MOF. jpg | Former Prime Minister of Australia John Howard receiving the Medal from George W. Bush on January 13, 2009
Given the maximum observed frequency ( MOF ) for a mode on each day of the month at a given hour, the MUF is the highest frequency for which an ionospheric communications path is predicted on 50 % of the days of the month.
The Microsoft Operations Framework ( MOF ) is based on ITIL v2.
While ITIL deliberately aims to be platform-agnostic, MOF is designed by Microsoft to provide a common management framework for its products.
Microsoft has mapped MOF to ITIL as part of their documentation of the framework.
The transaction gave MOF Inc a 70 % stake and Cyberview has remained a government-owned company ever since.
This M3-model is the language used by MOF to build metamodels, called M2-models.
Beyond the M3-model, MOF describes the means to create and manipulate models and metamodels by defining CORBA interfaces that describe those operations.
A supporting standard of MOF is XMI, which defines an XML-based exchange format for models on the M3 -, M2 -, or M1-Layer.
originated and Language
Language is thought to have originated when early hominins first started cooperating, gradually changing their primate communication systems as they acquired the ability to form a theory of other minds and shared intentionality.
Language analysis indicates that the word may have originated in one of the original source languages.
The Kassites were a non Semitic and non Indo-European people, speaking a Language Isolate, who originated in the Zagros Mountains of what is today Iran.
It states the concept that there was an original language called Pan or the Panic Language, meaning " Earth Language ," which originated from the ability of humans to mimic sounds.
WapTV was the name given to the company which originated the WTVML ( Worldwide TV Mark-up Language ) as a content format for the delivery of Interactive TV applications using Internet Servers.
He was a great mystic of his time and originated a literary revolution through his literary creation called Vachana Sahitya in Kannada Language which are derived from the Upanishads and Vedanta.
International Mother Language Day originated as the international recognition of Language Movement Day, which has been commemorated in Bangladesh since 1952, when a number of students including the students of the University of Dhaka and Dhaka Medical College were killed by the Pakistani police in Dhaka during the Bengali Language Movement protests.
GXL originated in the merger of GRAph eXchange format ( GraX: University of Koblenz, DE ) for exchanging typed, attributed, ordered, directed graphs ( TGraphs ), Tuple Attribute Language ( TA: University of Waterloo, CA ), and the graph format of the PROGRES graph rewriting system ( University Bw München, DE ).
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