entity set model

entity set model
информационная модель

Англо-русский словарь компьютерных и интернет терминов. 2013.

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  • Entity-relationship model — A sample Entity relationship diagram using Chen s notation In software engineering, an entity relationship model (ERM) is an abstract and conceptual representation of data. Entity relationship modeling is a database modeling method, used to… …   Wikipedia

  • Entity–attribute–value model — (EAV) is a data model to describe entities where the number of attributes (properties, parameters) that can be used to describe them is potentially vast, but the number that will actually apply to a given entity is relatively modest. In… …   Wikipedia

  • Entity-attribute-value model — (EAV), also known as object attribute value model and open schema is a data model that is used in circumstances where the number of attributes (properties, parameters) that can be used to describe a thing (an entity or object ) is potentially… …   Wikipedia

  • Associative model of data — The associative model of data is an alternative data model for database systems. Other data models, such as the relational model and the object data model, are record based. These models involve encompassing attributes about a thing, such as a… …   Wikipedia

  • set theory — the branch of mathematics that deals with relations between sets. [1940 45] * * * Branch of mathematics that deals with the properties of sets. It is most valuable as applied to other areas of mathematics, which borrow from and adapt its… …   Universalium

  • model — I. noun Etymology: Middle French modelle, from Old Italian modello, from Vulgar Latin *modellus, from Latin modulus small measure, from modus Date: 1575 1. obsolete a set of plans for a building 2. dialect British copy, image 3. struc …   New Collegiate Dictionary

  • model — 1. A representation of something, often idealized or modified to make it conceptually easier to understand. 2. Something to be imitated. 3. In dentistry, a cast. 4. A mathematical representation of a particular phenomenon. 5. An animal that is… …   Medical dictionary

  • Concept-oriented model — Example of a concept oriented model. The concept oriented model (COM) is a data model based on the following three principles: Duality principle postulates that any element consists of two parts, called identity and entity. Accordingly, data… …   Wikipedia

  • Data model — Overview of data modeling context: A data model provides the details of information to be stored, and is of primary use when the final product is the generation of computer software code for an application or the preparation of a functional… …   Wikipedia

  • Conceptual model — For other uses, see Model (disambiguation). In the most general sense, a model is anything used in any way to represent anything else. Some models are physical objects, for instance, a toy model which may be assembled, and may even be made to… …   Wikipedia

  • Information model — An information model in software engineering is a representation of concepts, relationships, constraints, rules, and operations to specify data semantics for a chosen domain of discourse. It can provide sharable, stable, and organized structure… …   Wikipedia


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