what is domain model refinement?
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Introduction. Generalization and specialization are fundamental concepts in domain modeling that support an economy of expression; further, conceptual class hierarchies are often the basis of inspiration for software class hierarchies that exploit inheritance and reduce duplication of code.
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Requirement models ‎are used to clarify and improve requirements consistency, unambiguity, correctness and completeness. The finite state machine (FSM) model is very popular with requirement engineers and developers, but all use the same basic model for requirements and implementation.
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The term "domain entity" (or "entity object") is usually used when author implies that the object is a direct representation of a storage structure (more often - a database table). ... In practical purpose, domain and model are the same, while entity is also a domain/object that would be used to store in the database.
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['Domain. The set of values of the independent variables for which a function or relation is defined.', 'Range. The set of values of the dependent variables for which a function or relation is defined.', 'Y-intercept. ... ', 'X-intercept. ... ', 'Maximum. ... ', 'Minimum. ... ', 'Increasing. ... ', 'Decreasing.']
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The Document Object Model (DOM) is an application programming interface (API) for HTML and XML documents. It defines the logical structure of documents and the way a document is accessed and manipulated.
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Unified Modeling Language (UML) While a DFD illustrates how data flows through a system, UML is a modeling language used in Object Oriented Software Design to provide a more detailed view.
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3 Answers. A domain model is called conceptual model in database modeling, while a design model is called logical model. ... (platform-specific) implementation models, which may be (e.g., JavaScript or Java EE) class models, SQL table models or other types of data models derived from an information design model.
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['Some data is denormalized for simplification and to improve performance.', 'Large amounts of historical data are used.', 'Queries often retrieve large amounts of data.', 'Both planned and ad hoc queries are common.', 'The data load is controlled.']
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JSP Model 2 is a complex design pattern used in the design of Java Web applications which separates the display of content from the logic used to obtain and manipulate the content. Since Model 2 drives a separation between logic and display, it is usually associated with the model–view–controller (MVC) paradigm.
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Static modeling is used to specify the structure of the objects, classes or components that exist in the problem domain. These are expressed using class, object or component. While dynamic modeling refers to representing the object interactions during runtime.
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Object-oriented analysis and design (OOAD) is a technical approach for analyzing and designing an application, system, or business by applying object-oriented programming, as well as using visual modeling throughout the software development process to guide stakeholder communication and product quality.
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["Understand the database's purpose.", 'Get the right tool.', 'Gather the requirements for the database.', 'Be conscientious when modeling the data.', 'Enforce relationships.', 'Use the appropriate data types.', 'Include indexes when modeling.', 'Standardize the naming convention.']
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The network model is a database model conceived as a flexible way of representing objects and their relationships. Its distinguishing feature is that the schema, viewed as a graph in which object types are nodes and relationship types are arcs, is not restricted to being a hierarchy or lattice.
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['the database (or knowledge base),', 'the model (i.e., the decision context and user criteria)', 'the user interface.']
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Domain requirements engineering is a continuous process of proactively defining the requirements for all foreseeable applications to be developed in the software product line. A particular issue for domain requirements engin- eering is to identify and explicitly document the external variability.
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Rich domain model = a collection of objects that expose behavior. If you want to create a simple CRUD application, maybe an anemic model with a classic MVC framework is enough. But if you want to implement some kind of logic, anemic model means that you will not do object oriented programming.
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Application domain. ... An application domain is a mechanism (similar to a process in an operating system) used within the Common Language Infrastructure (CLI) to isolate executed software applications from one another so that they do not affect each other.