Hierarchy — A hierarchy (Greek: hierarchia (ἱεραρχία), from hierarches, leader of sacred rites ) is an arrangement of items (objects, names, values, categories, etc.) in which the items are represented as being above, below, or at the same level as one… … Wikipedia
Hierarchy (disambiguation) — The concept of hierarchy, originally meaning rule by priests , has been used metaphorically to describe many different things. See Hierarchy for the main article, and also: * Hierarchical organization * Hierarchy (mathematics) * Containment… … Wikipedia
Hierarchy (mathematics) — In mathematics, a hierarchy is a preorder, i.e. an ordered set. The term is used to stress a natural hierarchical relation among the elements. In particular, it is the preferred terminology for posets whose elements are classes of objects of… … Wikipedia
Chomsky hierarchy — Within the field of computer science, specifically in the area of formal languages, the Chomsky hierarchy (occasionally referred to as Chomsky–Schützenberger hierarchy) is a containment hierarchy of classes of formal grammars. This hierarchy of… … Wikipedia
Mildly context-sensitive language — In formal grammar theory, mildly context sensitive languages are a class of formal languages which can be efficiently parsed, but still possess enough context sensitivity to allow the parsing of natural languages. The concept was first introduced … Wikipedia
List of mathematics articles (C) — NOTOC C C closed subgroup C minimal theory C normal subgroup C number C semiring C space C symmetry C* algebra C0 semigroup CA group Cabal (set theory) Cabibbo Kobayashi Maskawa matrix Cabinet projection Cable knot Cabri Geometry Cabtaxi number… … Wikipedia
Algorithm characterizations — The word algorithm does not have a generally accepted definition. Researchers are actively working in formalizing this term. This article will present some of the characterizations of the notion of algorithm in more detail. This article is a… … Wikipedia
Zope — Infobox Software name = Zope caption = Zope management interface in a web browser window. collapsible = yes developer = Zope Corporation status = Active latest release version = 3.3.1 latest release date = release date|2007|01|14 latest preview… … Wikipedia
Taxonomy — is the practice and science of classification. The word comes from the Greek Polytonic|τάξις , taxis (meaning order , arrangement ) and Polytonic|νόμος , nomos ( law or science ). Taxonomies, or taxonomic schemes, are composed of taxonomic units… … Wikipedia
CH — may refer to: Contents 1 Business 2 Entertainment and sports 3 Languages 4 Mathematics and programming 5 … Wikipedia
