relational description
1Relational Model/Tasmania — (RM/T) was published by E.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 …
2Description logic — (DL) is a family of formal knowledge representation languages. It is more expressive than propositional logic but has more efficient decision problems than first order predicate logic. DL is used in artificial intelligence for formal reasoning on …
3Relational quantum mechanics — This article is intended for those already familiar with quantum mechanics and its attendant interpretational difficulties. Readers who are new to the subject may first want to read the introduction to quantum mechanics. Relational quantum… …
4Relational model — The relational model for database management is a database model based on first order predicate logic, first formulated and proposed in 1969 by Edgar Codd. [ Derivability, Redundancy, and Consistency of Relations Stored in Large Data Banks , E.F …
5Relational order theories — A number of independent lines of research depict the universe, including the social organization of living creatures which is of particular interest to humans, as systems, or networks, of relationships. Relational systems, or regimes, are often… …
6Relational theory — …: This article is about relational theory in physics and philosophy. There is a separate article about the relational model (database) and Relational Philosophy as a category of Philosophical anthropology In physics and philosophy, a relational… …
7relational database — an electronic database comprising multiple files of related information, usu. stored in tables of rows (records) and columns (fields), and allowing a link to be established between separate files that have a matching field, as a column of invoice …
8Description Definition Language — DDL (Description Definition Language) is part of the MPEG 7 standard. It gives an important set of tools for the users to create their own Description Schemes (DSs) and Descriptors (Ds). DDL defines the syntax rules to define, combine, extend and …
9Resource Description Framework — Infobox file format name = Resource Description Framework icon = logo = extension = .rdf mime = application/rdf+xml type code = uniform type = magic = owner = [http://www.w3.org/ World Wide Web Consortium] genre = semantic web container for =… …
10Probabilistic relational model — A Probabilistic relational model (PRM) is the counterpart of a Bayesian network in statistical relational learning. External links* [http://forum.stanford.edu/research/project.php?id=164 A description of PRMs] …
