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Goal-oriented Requirements Language
Goal-oriented Requirements Language (GRL), an i*-based modeling language used in systems development, is designed to support goal-oriented modeling and reasoning about requirements In product development and process optimization, a requirement is a singular documented physical or functional need that a particular design, product or process aims to satisfy. It is commonly used in a formal sense in engineering design, includi ... especially the non-functional requirements Lin Liu, Eric Yu (2003). "Designing information systems in social context: a goal and scenario modelling approach" in: ''Information Systems'', Volume 29, Number 2, April 2004 , pp. 187-203(17) GRL topics Concepts Goal-oriented Requirements Language (GRL) allows to express conflict between goals and helps to make decisions that resolve conflicts. There are three main categories of concepts in GRL: * intentional elements, * intentional relationships and * actors. They are called for intentional because they are u ...
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Modeling Language
A modeling language is any artificial language that can be used to express information or knowledge or systems in a structure that is defined by a consistent set of rules. The rules are used for interpretation of the meaning of components in the structure. Overview A modeling language can be graphical or textual. * ''Graphical'' modeling languages use a diagram technique with named symbols that represent concepts and lines that connect the symbols and represent relationships and various other graphical notation to represent constraints. * ''Textual'' modeling languages may use standardized keywords accompanied by parameters or natural language terms and phrases to make computer-interpretable expressions. An example of a graphical modeling language and a corresponding textual modeling language is EXPRESS. Not all modeling languages are executable, and for those that are, the use of them doesn't necessarily mean that programmers are no longer required. On the contrary, executab ...
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Goal Modeling
A goal model is an element of requirements engineering that may also be used more widely in business analysis. Related elements include stakeholder analysis, context analysis, and scenarios, among other business and technical areas. Principles Goals are objectives which a system should achieve through cooperation of actors in the intended software and in the environment. Goal modeling is especially useful in the early phases of a project. Projects may consider how the intended system meets organizational goals (see also ), why the system is needed and how the stakeholders’ interests may be addressed. A goal model: * Expresses the relationships between a system and its environment (i.e. not only on what the system is supposed to do, but why). The understanding this gives, of the reasons why a system is needed, in its context, is useful because "systems are increasingly used to fundamentally change business processes rather than to automate long-established practices". * Clarifies ...
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Requirements
In product development and process optimization, a requirement is a singular documented physical or functional need that a particular design, product or process aims to satisfy. It is commonly used in a formal sense in engineering design, including for example in systems engineering, software engineering, or enterprise engineering. It is a broad concept that could speak to any necessary (or sometimes desired) function, attribute, capability, characteristic, or quality of a system for it to have value and utility to a customer, organization, internal user, or other stakeholder. Requirements can come with different levels of specificity; for example, a requirement specification or requirement "spec" (often imprecisely referred to as "the" spec/specs, but there are actually different sorts of specifications) refers to an explicit, highly objective/clear (and often quantitative) requirement (or sometimes, ''set'' of requirements) to be satisfied by a material, design, product, or serv ...
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GRL Legend
GRL may refer to: * G.R.L., an American-British-Canadian girl group ** ''G.R.L.'' (EP), a 2014 recording by G.R.L. * Air Greenland * Gamma Rho Lambda, a sorority * Geospatial Research Laboratory * Goal-oriented Requirements Language * Greenfaulds railway station , symbol_location = gb , symbol = rail , image = Greenfaulds railway station in 2007.jpg , borough = Greenfaulds, North Lanarkshire , country = Scotland , coordinates = , grid ..., in Scotland * Glucocorticoid receptor {{disambiguation ...
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GRL Relationships
GRL may refer to: * G.R.L., an American-British-Canadian girl group ** ''G.R.L.'' (EP), a 2014 recording by G.R.L. * Air Greenland * Gamma Rho Lambda, a sorority * Geospatial Research Laboratory * Goal-oriented Requirements Language * Greenfaulds railway station , symbol_location = gb , symbol = rail , image = Greenfaulds railway station in 2007.jpg , borough = Greenfaulds, North Lanarkshire , country = Scotland , coordinates = , grid ..., in Scotland * Glucocorticoid receptor {{disambiguation ...
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Extended Enterprise Modeling Language
Extended Enterprise Modeling Language (EEML) in software engineering is a modelling language used for Enterprise modelling across a number of layers. Overview Extended Enterprise Modeling Language (EEML) is a modelling language which combines structural modelling, business process modelling, goal modelling with goal hierarchies and resource modelling. It was intended to bridge the gap between goal modelling and other modelling approaches. According to Johannesson and Söderström (2008) "the process logic in EEML is mainly expressed through nested structures of tasks and decision points. The sequencing of tasks is expressed by the flow relation between decision points. Each task has an input port and the output port being decision points for modeling process logic". EEML was designed as a simple language, making it easy to update models. In addition to capturing tasks and their interdependencies, models show which roles perform each task, and the tools, services and information th ...
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Specification Languages
A specification often refers to a set of documented requirements to be satisfied by a material, design, product, or service. A specification is often a type of technical standard. There are different types of technical or engineering specifications (specs), and the term is used differently in different technical contexts. They often refer to particular documents, and/or particular information within them. The word ''specification'' is broadly defined as "to state explicitly or in detail" or "to be specific". A requirement specification is a documented requirement, or set of documented requirements, to be satisfied by a given material, design, product, service, etc. It is a common early part of engineering design and product development processes in many fields. A functional specification is a kind of requirement specification, and may show functional block diagrams. A design or product specification describes the features of the ''solutions'' for the Requirement Specification, ...
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Software Requirements
Software requirements for a system are the description of what the system should do, the service or services that it provides and the constraints on its operation. The IEEE Standard Glossary of Software Engineering Terminology defines a requirement as: # ''A condition or capability needed by a user to solve a problem or achieve an objective.'' # A condition or capability that must be met or possessed by a system or system component to satisfy a contract, standard, specification, or other formally imposed document. # A documented representation of a condition or capability as in 1 or 2. The activities related to working with software requirements can broadly be broken down into elicitation, analysis, specification, and management. Note that the wording ''Software requirements'' is additionally used in software release notes to explain, which depending software packages are required for a certain software to be built/installed/used. Elicitation Elicitation is the gathering and dis ...
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