A hierarchy (from Greek: ἱεραρχία, hierarkhia, 'rule of a high priest', from hierarkhes, 'president of sacred rites') is an arrangement of items (objects...

Maslow's hierarchy of needs is a conceptualisation of the needs (or goals) that motivate human behaviour, which was proposed by the American psychologist...

Hierarchy (Korean: 하이라키) is a 2024 South Korean teen romance television series written by Chu Hye-mi, directed by Bae Hyeon-jin, and starring Roh Jeong-eui...

descriptive set theory, the analytical hierarchy is an extension of the arithmetical hierarchy. The analytical hierarchy of formulas includes formulas in the...

The hierarchy of the Catholic Church consists of its bishops, priests, and deacons. In the ecclesiological sense of the term, "hierarchy" strictly means...

A hierarchical organization or hierarchical organisation (see spelling differences) is an organizational structure where every entity in the organization...

In the angelology of different religions, a hierarchy of angels is a ranking system of angels. The higher ranking angels have greater power and authority...

A settlement hierarchy is a way of arranging settlements into a hierarchy based upon their size. The term is used by landscape historians and in the National...

computational complexity theory, the polynomial hierarchy (sometimes called the polynomial-time hierarchy) is a hierarchy of complexity classes that generalize...

connections, elemental forms, noble titles, or parallels to the angelic hierarchy; or by association with particular sins, diseases, and other calamities;...

field of ethology, a dominance hierarchy (formerly and colloquially called a pecking order) is a type of social hierarchy that arises when members of animal...

Look up hierarchy in Wiktionary, the free dictionary. A hierarchy is an arrangement of units into related levels of different weights or ranks, meaning...

§ Brackets and transcription delimiters. A sonority hierarchy or sonority scale is a hierarchical ranking of speech sounds (or phones). Sonority is loosely...

theory, the exponential hierarchy is a hierarchy of complexity classes that is an exponential time analogue of the polynomial hierarchy. As elsewhere in complexity...

A moral hierarchy is a hierarchy by which actions are ranked by their morality, with respect to a moral code. It also refers to a relationship – such as...

The Filesystem Hierarchy Standard (FHS) is a reference describing the conventions used for the layout of Unix-like systems. It has been made popular by...

complexity theory, the counting hierarchy is a hierarchy of complexity classes. It is analogous to the polynomial hierarchy, but with NP replaced with PP...

A class hierarchy or inheritance tree in computer science is a classification of object types, denoting objects as the instantiations of classes (class...

In a hierarchy or tree structure of any kind, a superior is an individual or position at a higher level in the hierarchy than another (a "subordinate"...

In computational complexity theory, the space hierarchy theorems are separation results that show that both deterministic and nondeterministic machines...

physics, the Bogoliubov–Born–Green–Kirkwood–Yvon (BBGKY) hierarchy (sometimes called Bogoliubov hierarchy) is a set of equations describing the dynamics of a...

The Chomsky hierarchy in the fields of formal language theory, computer science, and linguistics, is a containment hierarchy of classes of formal grammars...

The alt.* hierarchy is a major class of newsgroups in Usenet, containing all newsgroups whose name begins with "alt.", organized hierarchically. The alt...

slightly different hierarchies. For instance, there is one hierarchy which is primarily used in theoretical phonology, while a similar hierarchy is used in discourse...

Hierarchy theory is a means of studying ecological systems in which the relationship between all of the components is of great complexity. Hierarchy theory...

Cache hierarchy, or multi-level cache, is a memory architecture that uses a hierarchy of memory stores based on varying access speeds to cache data. Highly...

Grzegorczyk hierarchy (/ɡrɛˈɡɔːrtʃək/, Polish pronunciation: [ɡʐɛˈɡɔrt͡ʂɨk]), named after the Polish logician Andrzej Grzegorczyk, is a hierarchy of functions...

In the theory of decision making, the analytic hierarchy process (AHP), also analytical hierarchy process, is a structured technique for organizing and...

In theoretical physics, the hierarchy problem is the problem concerning the large discrepancy between aspects of the weak force and gravity. There is...

A command hierarchy is a group of people who carry out orders based on others' authority within the group. In a military context, the chain of command...