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A visitor pattern is a software design pattern that separates the algorithm from the object structure. Because of this separation, new operations can be added to existing object structures without modifying the structures. It is one way to follow the open/closed principle in object-oriented programming and software eng... | Wikipedia/Visitor_(design_pattern) |
In computer programming, a pure function is a function that has the following properties:
the function return values are identical for identical arguments (no variation with local static variables, non-local variables, mutable reference arguments or input streams, i.e., referential transparency), and
the function has ... | Wikipedia/Pure_function |
Computer-aided design (CAD) is the use of computers (or workstations) to aid in the creation, modification, analysis, or optimization of a design.: 3 This software is used to increase the productivity of the designer, improve the quality of design, improve communications through documentation, and to create a database... | Wikipedia/Computer_Aided_Design |
In functional programming, filter is a higher-order function that processes a data structure (usually a list) in some order to produce a new data structure containing exactly those elements of the original data structure for which a given predicate returns the Boolean value true.
== Example ==
In Haskell, the code ex... | Wikipedia/Filter_(higher-order_function) |
A Hindley–Milner (HM) type system is a classical type system for the lambda calculus with parametric polymorphism. It is also known as Damas–Milner or Damas–Hindley–Milner. It was first described by J. Roger Hindley and later rediscovered by Robin Milner. Luis Damas contributed a close formal analysis and proof of the ... | Wikipedia/Hindley–Milner_type_inference |
A production system (or production rule system) is a computer program typically used to provide some form of artificial intelligence, which consists primarily of a set of rules about behavior, but also includes the mechanism necessary to follow those rules as the system responds to states of the world. Those rules, ter... | Wikipedia/Production_system_(computer_science) |
Literate programming (LP) is a programming paradigm introduced in 1984 by Donald Knuth in which a computer program is given as an explanation of how it works in a natural language, such as English, interspersed (embedded) with snippets of macros and traditional source code, from which compilable source code can be gene... | Wikipedia/Literate_programming |
In computer science, a purely functional data structure is a data structure that can be directly implemented in a purely functional language. The main difference between an arbitrary data structure and a purely functional one is that the latter is (strongly) immutable. This restriction ensures the data structure posses... | Wikipedia/Purely_functional_data_structure |
In mathematical logic, the lambda calculus (also written as λ-calculus) is a formal system for expressing computation based on function abstraction and application using variable binding and substitution. Untyped lambda calculus, the topic of this article, is a universal machine, a model of computation that can be used... | Wikipedia/Untyped_lambda_calculus |
In programming languages, a closure, also lexical closure or function closure, is a technique for implementing lexically scoped name binding in a language with first-class functions. Operationally, a closure is a record storing a function together with an environment. The environment is a mapping associating each free ... | Wikipedia/Closure_(computer_science) |
In computer programming, a function (also procedure, method, subroutine, routine, or subprogram) is a callable unit of software logic that has a well-defined interface and behavior and can be invoked multiple times.
Callable units provide a powerful programming tool. The primary purpose is to allow for the decompositio... | Wikipedia/Procedure_(computer_science) |
In computing, a parallel programming model is an abstraction of parallel computer architecture, with which it is convenient to express algorithms and their composition in programs. The value of a programming model can be judged on its generality: how well a range of different problems can be expressed for a variety of ... | Wikipedia/Parallel_programming_model |
Uniform function call syntax (UFCS) or uniform call syntax (UCS) or sometimes universal function call syntax is a programming language feature in D, Nim, Koka, and Effekt that allows any function to be called using the syntax for method calls (as in object-oriented programming), by using the receiver as the first param... | Wikipedia/Uniform_function_call_syntax |
In computer programming, a nested function (or nested procedure or subroutine) is a named function that is defined within another, enclosing, block and is lexically scoped within the enclosing block – meaning it is only callable by name within the body of the enclosing block and can use identifiers declared in outer bl... | Wikipedia/Nested_function |
In computer networking, linear network coding is a program in which intermediate nodes transmit data from source nodes to sink nodes by means of linear combinations.
Linear network coding may be used to improve a network's throughput, efficiency, and scalability, as well as reducing attacks and eavesdropping. The node... | Wikipedia/Linear_network_coding |
A controller area network bus (CAN bus) is a vehicle bus standard designed to enable efficient communication primarily between electronic control units (ECUs). Originally developed to reduce the complexity and cost of electrical wiring in automobiles through multiplexing, the CAN bus protocol has since been adopted in ... | Wikipedia/Controller_Area_Network |
A special function register (SFR) is a register within a microcontroller that controls or monitors various aspects of the microcontroller's function. Depending on the processor architecture, this can include, but is not limited to:
I/O and peripheral control (such as serial ports or general-purpose IOs)
timers
stack p... | Wikipedia/Special_function_register |
Four-Phase Systems, Inc., was a computer company, founded by Lee Boysel and others, which built one of the earliest computers using semiconductor main memory and MOS LSI logic. The company was incorporated in February 1969 and had moderate commercial success. It was acquired by Motorola in 1982.
== History ==
The ide... | Wikipedia/Four-Phase_Systems_AL1 |
A wireless network is a computer network that uses wireless data connections between network nodes. Wireless networking allows homes, telecommunications networks, and business installations to avoid the costly process of introducing cables into a building, or as a connection between various equipment locations. Admin t... | Wikipedia/Wireless_networking |
PIC (usually pronounced as /pɪk/) is a family of microcontrollers made by Microchip Technology, derived from the PIC1640 originally developed by General Instrument's Microelectronics Division. The name PIC initially referred to Peripheral Interface Controller, and was subsequently expanded for a short time to include P... | Wikipedia/PIC_microcontroller |
Maxim Integrated Products, Inc., was an American semiconductor company that designed, manufactured, and sold analog and mixed-signal integrated circuits for the automotive, industrial, communications, consumer, and computing markets. Maxim's product portfolio included power and battery management ICs, sensors, analog I... | Wikipedia/Maxim_Integrated |
Renesas Electronics Corporation (ルネサス エレクトロニクス株式会社, Runesasu Erekutoronikusu Kabushiki Gaisha) is a Japanese semiconductor manufacturer headquartered in Tokyo, Japan, initially incorporated in 2002 as Renesas Technology, the consolidated entity of the semiconductor units of Hitachi and Mitsubishi excluding their dynami... | Wikipedia/RX_Microcontroller_Family |
AVR is a family of microcontrollers developed since 1996 by Atmel, acquired by Microchip Technology in 2016. They are 8-bit RISC single-chip microcontrollers based on a modified Harvard architecture. AVR was one of the first microcontroller families to use on-chip flash memory for program storage, as opposed to one-tim... | Wikipedia/AVR_microcontrollers |
Consumer Electronics Control (CEC) is a feature of HDMI designed to control HDMI connected devices by using only one remote controller; individual CEC enabled devices can command and control each other without user intervention, for up to 15 devices.: §CEC-3.1 For example, a TV remote can also control a digital video ... | Wikipedia/Consumer_Electronics_Control |
Renesas Electronics Corporation (ルネサス エレクトロニクス株式会社, Runesasu Erekutoronikusu Kabushiki Gaisha) is a Japanese semiconductor manufacturer headquartered in Tokyo, Japan, initially incorporated in 2002 as Renesas Technology, the consolidated entity of the semiconductor units of Hitachi and Mitsubishi excluding their dynami... | Wikipedia/RX_microcontroller_family |
PIC (usually pronounced as /pɪk/) is a family of microcontrollers made by Microchip Technology, derived from the PIC1640 originally developed by General Instrument's Microelectronics Division. The name PIC initially referred to Peripheral Interface Controller, and was subsequently expanded for a short time to include P... | Wikipedia/PIC_microcontrollers |
A single-board microcontroller is a microcontroller built onto a single printed circuit board. This board provides all of the circuitry necessary for a useful control task: a microprocessor, I/O circuits, a clock generator, RAM, stored program memory and any necessary support ICs. The intention is that the board is im... | Wikipedia/Single-board_microcontroller |
An industrial PC is a computer intended for industrial purposes (production of goods and services), with a form factor between a nettop and a server rack. Industrial PCs have higher dependability and precision standards, and are generally more expensive than consumer electronics. They often use complex instruction sets... | Wikipedia/Industrial_PC |
Science fiction prototyping (SFP) refers to the idea of using science fiction to describe and explore the implications of futuristic technologies and the social structures enabled by them. Similar terms are design fiction, speculative design, and critical design.
== History and progress ==
The idea was introduced by ... | Wikipedia/Science_fiction_prototyping |
Logico-linguistic modeling is a method for building knowledge-based systems with a learning capability using conceptual models from soft systems methodology, modal predicate logic, and logic programming languages such as Prolog.
== Overview ==
Logico-linguistic modeling is a six-stage method developed primarily for b... | Wikipedia/Logico-linguistic_modeling |
A systems analyst, also known as business technology analyst, is an information technology (IT) professional who specializes in analyzing, designing and implementing information systems. Systems analysts assess the suitability of information systems in terms of their intended outcomes and liaise with end users, softwar... | Wikipedia/Systems_analyst |
The chain-linked model or Kline model of innovation was introduced by mechanical engineer Stephen J. Kline in 1985, and further described by Kline and economist Nathan Rosenberg in 1986. The chain-linked model is an attempt to describe complexities in the innovation process. The model is regarded as Kline's most signi... | Wikipedia/Chain-linked_model |
In library and information science, cataloging (US) or cataloguing (UK) is the process of creating metadata representing information resources, such as books, sound recordings, moving images, etc. Cataloging provides information such as author's names, titles, and subject terms that describe resources, typically throug... | Wikipedia/Cataloging_(library_science) |
Archival science, or archival studies, is the study and theory of building and curating archives, which are collections of documents, recordings, photographs and various other materials in physical or digital formats.
To build and curate an archive, one must acquire and evaluate the materials, and be able to access the... | Wikipedia/Archival_science |
Information science is an academic field which is primarily concerned with analysis, collection, classification, manipulation, storage, retrieval, movement, dissemination, and protection of information. Practitioners within and outside the field study the application and the usage of knowledge in organizations in addi... | Wikipedia/Information_Sciences |
Information retrieval (IR) in computing and information science is the task of identifying and retrieving information system resources that are relevant to an information need. The information need can be specified in the form of a search query. In the case of document retrieval, queries can be based on full-text or o... | Wikipedia/Information_retrieval_applications |
An information system (IS) is a formal, sociotechnical, organizational system designed to collect, process, store, and distribute information. From a sociotechnical perspective, information systems comprise four components: task, people, structure (or roles), and technology. Information systems can be defined as an int... | Wikipedia/Information_systems |
Computer and information science (CIS; also known as information and computer science) is a field that emphasizes both computing and informatics, upholding the strong association between the fields of information sciences and computer sciences and treating computers as a tool rather than a field.
Information science is... | Wikipedia/Computer_and_information_science |
Library and information science (LIS) are two interconnected disciplines that deal with information management. This includes organization, access, collection, and regulation of information, both in physical and digital forms.
Library science and information science are two original disciplines; however, they are withi... | Wikipedia/Library_science |
Documentation science is the study of the recording and retrieval of information. It includes methods for storing, retrieving, and sharing of information captured on physical as well as digital documents. This field is closely linked to the fields of library science and information science but has its own theories and ... | Wikipedia/Documentation_science |
In software engineering, coupling is the degree of interdependence between software modules, a measure of how closely connected two routines or modules are, and the strength of the relationships between modules. Coupling is not binary but multi-dimensional.
Coupling is usually contrasted with cohesion. Low coupling o... | Wikipedia/Coupling_(computer_science) |
In software engineering and systems engineering, a functional requirement defines a function of a system or its component, where a function is described as a summary (or specification or statement) of behavior between inputs and outputs.
Functional requirements may involve calculations, technical details, data manipula... | Wikipedia/Functional_requirements |
Named graphs are a key concept of Semantic Web architecture in which a set of Resource Description Framework statements (a graph) are identified using a URI, allowing descriptions to be made of that set of statements such as context, provenance information or other such metadata.
Named graphs are a simple extension of ... | Wikipedia/Named_graph |
In computing, 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.
The networ... | Wikipedia/Network_database |
A hierarchical database model is a data model in which the data is organized into a tree-like structure. The data are stored as records which is a collection of one or more fields. Each field contains a single value, and the collection of fields in a record defines its type. One type of field is the link, which connect... | Wikipedia/Hierarchical_database_model |
Dimensional modeling (DM) is part of the Business Dimensional Lifecycle methodology developed by Ralph Kimball which includes a set of methods, techniques and concepts for use in data warehouse design.: 1258–1260 The approach focuses on identifying the key business processes within a business and modelling and implem... | Wikipedia/Dimensional_modeling |
In software systems, encapsulation refers to the bundling of data with the mechanisms or methods that operate on the data. It may also refer to the limiting of direct access to some of that data, such as an object's components. Essentially, encapsulation prevents external code from being concerned with the internal wo... | Wikipedia/Encapsulation_(computer_science) |
A MultiValue database is a type of NoSQL and multidimensional database. It is typically considered synonymous with PICK, a database originally developed as the Pick operating system.
MultiValue databases include commercial products from Rocket Software, Revelation, InterSystems, Northgate Information Solutions, ONgroup... | Wikipedia/Multivalue_model |
The following tables compare general and technical information for a number of relational database management systems. Please see the individual products' articles for further information. Unless otherwise specified in footnotes, comparisons are based on the stable versions without any add-ons, extensions or external p... | Wikipedia/Comparison_of_relational_database_management_systems |
Cincom Systems, Inc., is a privately held multinational computer technology corporation founded in 1968 by Tom Nies, Tom Richley, and Claude Bogardus. The company’s first product, Total, was the first commercial database management system that was not bundled with manufacturer hardware and proprietary software. In June... | Wikipedia/Cincom_Systems |
A graph database (GDB) is a database that uses graph structures for semantic queries with nodes, edges, and properties to represent and store data. A key concept of the system is the graph (or edge or relationship). The graph relates the data items in the store to a collection of nodes and edges, the edges representing... | Wikipedia/GraphDB |
A federated database system (FDBS) is a type of meta-database management system (DBMS), which transparently maps multiple autonomous database systems into a single federated database. The constituent databases are interconnected via a computer network and may be geographically decentralized. Since the constituent datab... | Wikipedia/Federated_database_system |
An entity–attribute–value model (EAV) is a data model optimized for the space-efficient storage of sparse—or ad-hoc—property or data values, intended for situations where runtime usage patterns are arbitrary, subject to user variation, or otherwise unforeseeable using a fixed design. The use-case targets applications ... | Wikipedia/Entity–attribute–value_model |
Within data modelling, cardinality is the numerical relationship between rows of one table and rows in another. Common cardinalities include one-to-one, one-to-many, and many-to-many. Cardinality can be used to define data models as well as analyze entities within datasets.
== Relationships ==
For example, consider a... | Wikipedia/Cardinality_(data_modeling) |
In database theory, the PACELC design principle is an extension to the CAP theorem. It states that in case of network partitioning (P) in a distributed computer system, one has to choose between availability (A) and consistency (C) (as per the CAP theorem), but else (E), even when the system is running normally in the ... | Wikipedia/PACELC_design_principle |
In computing, 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.
The networ... | Wikipedia/Network_model |
A physical data model (or database design) is a representation of a data design as implemented, or intended to be implemented, in a database management system. In the lifecycle of a project it typically derives from a logical data model, though it may be reverse-engineered from a given database implementation. A comple... | Wikipedia/Physical_data_model |
A hierarchical database model is a data model in which the data is organized into a tree-like structure. The data are stored as records which is a collection of one or more fields. Each field contains a single value, and the collection of fields in a record defines its type. One type of field is the link, which connect... | Wikipedia/Hierarchical_model |
In systems analysis, a one-to-many relationship is a type of cardinality that refers to the relationship between two entities (see also entity–relationship model). For example, take a car and an owner of the car. The car can only be owned by one owner at a time or not owned at all, and an owner could own zero, one, or ... | Wikipedia/One-to-many_(data_model) |
In the field of database design, a multi-model database is a database management system designed to support multiple data models against a single, integrated backend. In contrast, most database management systems are organized around a single data model that determines how data can be organized, stored, and manipulated... | Wikipedia/Multi-model_database |
A database application is a computer program whose primary purpose is retrieving information from a computerized database. From here, information can be inserted, modified or deleted which is subsequently conveyed back into the database. Early examples of database applications were accounting systems and airline reserv... | Wikipedia/Database_application |
In relational algebra, a selection (sometimes called a restriction in reference to E.F. Codd's 1970 paper and not, contrary to a popular belief, to avoid confusion with SQL's use of SELECT, since Codd's article predates the existence of SQL) is a unary operation that denotes a subset of a relation.
A selection is writ... | Wikipedia/Selection_(relational_algebra) |
An object–relational database (ORD), or object–relational database management system (ORDBMS), is a database management system (DBMS) similar to a relational database, but with an object-oriented database model: objects, classes and inheritance are directly supported in database schemas and in the query language. Also,... | Wikipedia/Object–relational_model |
In relational algebra, a projection is a unary operation written as
Π
a
1
,
.
.
.
,
a
... | Wikipedia/Projection_(relational_algebra) |
The V-model is a graphical representation of a systems development lifecycle. It is used to produce rigorous development lifecycle models and project management models. The V-model falls into three broad categories, the German V-Modell, a general testing model, and the US government standard.
The V-model summarizes the... | Wikipedia/VEE_model |
Systems modeling or system modeling is the interdisciplinary study of the use of models to conceptualize and construct systems in business and IT development.
A common type of systems modeling is function modeling, with specific techniques such as the Functional Flow Block Diagram and IDEF0. These models can be extende... | Wikipedia/System_model |
Structured systems analysis and design method (SSADM) is a systems approach to the analysis and design of information systems. SSADM was produced for the Central Computer and Telecommunications Agency, a UK government office concerned with the use of technology in government, from 1980 onwards.
== Overview ==
SSADM i... | Wikipedia/Structured_systems_analysis_and_design_method |
Integrated logistics support (ILS) is a technology in the system engineering to lower a product life cycle cost and decrease demand for logistics by the maintenance system optimization to ease the product support. Although originally developed for military purposes, it is also widely used in commercial customer service... | Wikipedia/Integrated_logistics_support |
Modeling and simulation (M&S) is the use of models (e.g., physical, mathematical, behavioral, or logical representation of a system, entity, phenomenon, or process) as a basis for simulations to develop data utilized for managerial or technical decision making.
In the computer application of modeling and simulation a ... | Wikipedia/Modeling_and_simulation |
Processor design is a subfield of computer science and computer engineering (fabrication) that deals with creating a processor, a key component of computer hardware.
The design process involves choosing an instruction set and a certain execution paradigm (e.g. VLIW or RISC) and results in a microarchitecture, which mig... | Wikipedia/Microprocessor_design |
Systems engineering is an interdisciplinary field of engineering and engineering management that focuses on how to design, integrate, and manage complex systems over their life cycles. At its core, systems engineering utilizes systems thinking principles to organize this body of knowledge. The individual outcome of suc... | Wikipedia/Systems_engineering_process |
The behavioral approach to systems theory and control theory was initiated in the late-1970s by J. C. Willems as a result of resolving inconsistencies present in classical approaches based on state-space, transfer function, and convolution representations. This approach is also motivated by the aim of obtaining a gener... | Wikipedia/Behavioral_model |
In software engineering,
a class diagram
in the Unified Modeling Language (UML) is a type of static structure diagram that describes the structure of a system by showing the system's classes, their attributes, operations (or methods), and the relationships among objects.
The class diagram is the main building block of ... | Wikipedia/Structural_model_(software) |
Model-based design (MBD) is a mathematical and visual method of addressing problems associated with designing complex control, signal processing and communication systems. It is used in many motion control, industrial equipment, aerospace, and automotive applications. Model-based design is a methodology applied in desi... | Wikipedia/Model-based_design |
A wide area network (WAN) is a telecommunications network that extends over a large geographic area. Wide area networks are often established with leased telecommunication circuits.
Businesses, as well as schools and government entities, use wide area networks to relay data to staff, students, clients, buyers and suppl... | Wikipedia/Wide_area_networks |
Sociotechnical systems (STS) in organizational development is an approach to complex organizational work design that recognizes the interaction between people and technology in workplaces. The term also refers to coherent systems of human relations, technical objects, and cybernetic processes that inhere to large, comp... | Wikipedia/Sociotechnical_systems |
In the United States military integrated acquisition lifecycle the technical section has multiple acquisition technical reviews. Technical reviews and audits assist the acquisition and the number and types are tailored to the acquisition. Overall guidance flows from the Defense Acquisition Guidebook chapter 4, with loc... | Wikipedia/Design_review_(U.S._government) |
In software engineering and systems engineering, a functional requirement defines a function of a system or its component, where a function is described as a summary (or specification or statement) of behavior between inputs and outputs.
Functional requirements may involve calculations, technical details, data manipula... | Wikipedia/Functional_requirement |
Environmental systems analysis (ESA) is a systematic and systems based approach for describing human actions impacting on the natural environment to support decisions and actions aimed at perceived current or future environmental problems. Impacts of different types of objects are studied that ranges from projects, pro... | Wikipedia/Environmental_systems_analysis |
The term conceptual model refers to any model that is formed after a conceptualization or generalization process. Conceptual models are often abstractions of things in the real world, whether physical or social. Semantic studies are relevant to various stages of concept formation. Semantics is fundamentally a study of ... | Wikipedia/Abstract_model |
A local area network (LAN) is a computer network that interconnects computers within a limited area such as a residence, campus, or building, and has its network equipment and interconnects locally managed. LANs facilitate the distribution of data and sharing network devices, such as printers.
The LAN contrasts the wid... | Wikipedia/Local_area_networks |
The Systems Engineering Body of Knowledge (SEBoK), formally known as Guide to the Systems Engineering Body of Knowledge, is a wiki-based collection of key knowledge sources and references for systems engineering. The SEBoK is a curated wiki meaning that the content is managed by an editorial board, and updated on a reg... | Wikipedia/Systems_Engineering_Body_of_Knowledge |
Computer Sciences Corporation (CSC) was an American multinational corporation that provided information technology (IT) services and professional services. On April 3, 2017, it merged with the Enterprise Services line of business of HP Enterprise (formerly Electronic Data Systems) to create DXC Technology.
== History... | Wikipedia/Computer_Sciences_Corporation |
Computer science is one of several academic events sanctioned by the University Interscholastic League (UIL).
Computer science is designed to test students' programming abilities. It is not the same as the Computer Applications contest, which tests students' abilities to use word processing, spreadsheet, and database a... | Wikipedia/Computer_Science_(UIL) |
Computer Science is a peer-reviewed scientific journal published by the AGH University of Science and Technology (Kraków Poland) and edited by faculty members of the Departments of Computer Science and Automatics. The journal was established in 1999 and since beginning of 2012 is published quarterly. The editor-in-chie... | Wikipedia/Computer_Science_(journal) |
A message is a unit of communication that conveys information from a sender to a receiver. It can be transmitted through various forms, such as spoken or written words, signals, or electronic data, and can range from simple instructions to complex information.
The consumption of the message relies on how the recipient ... | Wikipedia/Message_(computer_science) |
Component Object Model (COM) is a binary-interface technology for software components from Microsoft that enables using objects in a language-neutral way between different programming languages, programming contexts, processes and machines.
COM is the basis for other Microsoft domain-specific component technologies inc... | Wikipedia/Component_Object_Model |
The Document Object Model (DOM) is a cross-platform and language-independent API that treats an HTML or XML document as a tree structure wherein each node is an object representing a part of the document. The DOM represents a document with a logical tree. Each branch of the tree ends in a node, and each node contains o... | Wikipedia/Document_Object_Model |
Ruby is a general-purpose programming language. It was designed with an emphasis on programming productivity and simplicity. In Ruby, everything is an object, including primitive data types. It was developed in the mid-1990s by Yukihiro "Matz" Matsumoto in Japan.
Ruby is interpreted, high-level, and dynamically typed; ... | Wikipedia/Eigenclass_model |
The object-modeling technique (OMT) is an object modeling approach for software modeling and designing. It was developed around 1991 by Rumbaugh, Blaha, Premerlani, Eddy and Lorensen as a method to develop object-oriented systems and to support object-oriented programming. OMT describes object model or static structur... | Wikipedia/Object-modeling_technique |
In computer programming, a generic function is a function defined for polymorphism.
== In statically typed languages ==
In statically typed languages (such as C++ and Java), the term generic functions refers to a mechanism for compile-time polymorphism (static dispatch), specifically parametric polymorphism. These ar... | Wikipedia/Generic_function |
A database model is a type of data model that determines the logical structure of a database. It fundamentally determines in which manner data can be stored, organized and manipulated. The most popular example of a database model is the relational model, which uses a table-based format.
== Types ==
Common logical dat... | Wikipedia/Document_modelling |
Entity Framework (EF) is an open source object–relational mapping (ORM) framework for ADO.NET. It was originally shipped as an integral part of .NET Framework, however starting with Entity Framework version 6.0 it has been delivered separately from the .NET Framework.
Entity Framework 6.4 was the latest release of the ... | Wikipedia/Entity_Data_Model |
The term conceptual model refers to any model that is formed after a conceptualization or generalization process. Conceptual models are often abstractions of things in the real world, whether physical or social. Semantic studies are relevant to various stages of concept formation. Semantics is fundamentally a study of ... | Wikipedia/Conceptual_modeling |
Relational Model/Tasmania (RM/T) was published by Edgar F. Codd in 1979 and is the name given to a number of extensions to his original relational model (RM) published in 1970. The overall goal of the RM/T was to define some fundamental semantic units, at "atomic" and "molecular" levels, for data modelling. Codd writes... | Wikipedia/Relational_Model/Tasmania |
Datavault or data vault modeling is a database modeling method that is designed to provide long-term historical storage of data coming in from multiple operational systems. It is also a method of looking at historical data that deals with issues such as auditing, tracing of data, loading speed and resilience to change ... | Wikipedia/Data_Vault_Modeling |
Metadata modeling is a type of metamodeling used in software engineering and systems engineering for the analysis and construction of models applicable to and useful for some predefined class of problems.
Meta-modeling is the analysis, construction and development of the frames, rules, constraints, models and theories ... | Wikipedia/Metadata_modeling |
The relational model (RM) is an approach to managing data using a structure and language consistent with first-order predicate logic, first described in 1969 by English computer scientist Edgar F. Codd, where all data are represented in terms of tuples, grouped into relations. A database organized in terms of the relat... | Wikipedia/Relational_Model |
Enterprise data modelling or enterprise data modeling (EDM) is the practice of creating a graphical model of the data used by an enterprise or company. Typical outputs of this activity include an enterprise data model consisting of entity–relationship diagrams (ERDs), XML schemas (XSD), and an enterprise wide data dict... | Wikipedia/Enterprise_data_modelling |
Enterprise modelling is the abstract representation, description and definition of the structure, processes, information and resources of an identifiable business, government body, or other large organization.
It deals with the process of understanding an organization and improving its performance through creation and ... | Wikipedia/Enterprise_modeling |
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