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A key made from at least two attributes or simple keys, only simple keys exist in a compound key. Composite: Like a compound key, but the individual attributes need not be simple keys. Natural: A key made from data that exists outside the current database. In other words, the data is not system generated, such as a social security number ...
In geographic information systems, a feature is an object that can have a geographic location and other properties. [1] Common types of geometries include points, arcs, and polygons. Carriageways and cadastres are examples of feature data. Features can be labeled when displayed on a map.
Also simply application or app. Computer software designed to perform a group of coordinated functions, tasks, or activities for the benefit of the user. Common examples of applications include word processors, spreadsheets, accounting applications, web browsers, media players, aeronautical flight simulators, console games, and photo editors. This contrasts with system software, which is ...
Feature models are visually represented by means of feature diagrams. Feature models are widely used during the whole product line development process and are commonly used as input to produce other assets such as documents, architecture definition, or pieces of code. [citation needed] A SPL is a family of related programs.
They define feature "Type" based on the local topology of participating base-solid faces and "shape" based on shape of the feature-solid. Based on these definitions, they have enumerated and classified form features. For example, they have enumerated 94 sweep form feature types with possibility of each feature type having unlimited number of ...
Pronounced "A-star". A graph traversal and pathfinding algorithm which is used in many fields of computer science due to its completeness, optimality, and optimal efficiency. abductive logic programming (ALP) A high-level knowledge-representation framework that can be used to solve problems declaratively based on abductive reasoning. It extends normal logic programming by allowing some ...
Feature-rich describes a software system as having many options and capabilities. One mechanism for introducing feature-rich software to the user is the concept of progressive disclosure , a technique where features are introduced gradually as they become required, to reduce the potential confusion caused by displaying a wealth of features at once.
A definition states the meaning of a word using other words. This is sometimes challenging. Common dictionaries contain lexical descriptive definitions, but there are various types of definition – all with different purposes and focuses. A definition is a statement of the meaning of a term (a word, phrase, or other set of symbols).