TERMIUM Plus®

The Government of Canada’s terminology and linguistic data bank.

HIERARCHICAL DATA STRUCTURE [7 records]

Record 1 2020-09-14

English

Subject field(s)
  • Data Banks and Databases
CONT

The data structure in a logical database is hierarchical.

French

Domaine(s)
  • Banques et bases de données
CONT

Les bases de données logiques [...] permettent de simplifier la lecture de tables qui ont une relation logique entre elles [...]

Spanish

Campo(s) temático(s)
  • Bancos y bases de datos
Save record 1

Record 2 2007-02-11

English

Subject field(s)
  • Mathematical Geography
  • Remote Sensing
CONT

Tree structures such as the region quadtree... enable the dynamic and hierarchical partitioning of a(raster) data space as opposed to the static partitioning provided by the previous concepts. Most documented applications of region quadtrees on raster data(e. g.(Worboys, 1995),(Samet, 1990)) use the quadtree structure for encoding the raster data down to the level of individual raster cells or pixels. In this approach simple attribute values(e. g. colour values) are assigned to individual leaf nodes. Instead of simple values, leaf nodes could also hold pointers to more complex information, such as binary data strings. This approach allows the region quadtree to be used as the basis for a dynamic variable-size tiling approach. The criteria determining the depth of the quadtree could either be the spatial dimensions of the smallest tile or the maximum amount of data to be stored for an individual tile.

OBS

quadtree structure: term officially approved by the RADARSAT-2 Terminology Approval Group (RTAG).

French

Domaine(s)
  • Géographie mathématique
  • Télédétection
OBS

Structure en mosaïque caractérisée par l'utilisation de cellules carrées, et dans laquelle chacune de ces cellules peut à son tour être subdivisée en quatre cellules de même forme, jusqu'à ce que chaque cellule représente une zone homogène, ou jusqu'à ce que la limite de résolution de l'appareil de mesure ou du système de gestion de base de données à référence spatiale soit atteinte.

OBS

structure en quadrants arborescents : terme uniformisé par le Groupe de travail de la terminologie de RADARSAT-2 (GTTR).

Spanish

Save record 2

Record 3 2007-01-31

English

Subject field(s)
  • Spacecraft
  • Remote Sensing
DEF

A sensor with such a design as to give it the capability to be operated at different ground resolutions from the same altitude (e.g. satellite orbit).

CONT

Based on these requirements, we have implemented algorithms to extract road networks within a hierarchical cell based mathematical structure called Generalized Balanced Ternary. In this paper, we define GBT and describe how it can be used to integrate imagery from multiple, multi-resolution sensors, to make use of the panchromatic and multispectral nature of the imagery, to work at different scales, and to process the data efficiently.

French

Domaine(s)
  • Engins spatiaux
  • Télédétection
DEF

Capteur ayant la capacité de fonctionner à différentes résolutions au sol tout en gardant la même altitude (par exemple : l'orbite d'un satellite).

Spanish

Campo(s) temático(s)
  • Naves espaciales
  • Teledetección
Save record 3

Record 4 2004-09-09

English

Subject field(s)
  • Information Processing (Informatics)
  • Data Banks and Databases
DEF

A database management system that uses a hierarchical data structure.

French

Domaine(s)
  • Traitement de l'information (Informatique)
  • Banques et bases de données
DEF

Système de gestion de base de données utilisant une structure hiérarchique.

Spanish

Campo(s) temático(s)
  • Tratamiento de la información (Informática)
  • Bancos y bases de datos
DEF

Conjunto de programas relacionados entre sí para cargar, dar acceso y controlar una base de datos. En este sistema, los datos están organizados en forma de árbol invertido con una serie de nodos conectando las ramas.

Save record 4

Record 5 2003-02-17

English

Subject field(s)
  • Information Processing (Informatics)
  • Telecommunications
DEF

A conceptual layer of control or processing logic existing in the hierarchical structure of a station that is above the data link layer and upon which the performance of data link layer functions are dependent, such as device control, buffer allocation, LLC station management, etc.

OBS

For the purpose of the logical link control [LLC] protocol.

French

Domaine(s)
  • Traitement de l'information (Informatique)
  • Télécommunications

Spanish

Campo(s) temático(s)
  • Tratamiento de la información (Informática)
  • Telecomunicaciones
DEF

Capa conceptual de la lógica de control o de procesamiento existente en la estructura jerárquica de una estación, que está situada por encima de la capa de enlace de datos y de la que depende el comportamiento de las funciones de dicha capa de enlace de datos como son, por ejemplo, la asignación de memorias tampón, la gestión de estaciones LLC [control de enlace lógico], etc.

OBS

A efectos del protocolo de control del enlace lógico [LLC].

Save record 5

Record 6 2001-12-11

English

Subject field(s)
  • Information Processing (Informatics)
DEF

A structure of data aggregates or record types having several levels arranged in a tree-like structure, based on one-to-many relationships.

OBS

hierarchical structure; hierarchical data structure : terms standardized by CSA.

French

Domaine(s)
  • Traitement de l'information (Informatique)
DEF

Structure arborescente de données composée d'éléments reliés par un lien à un ascendant et à un ou plusieurs descendants.

OBS

structure hiérarchisée de données : terme normalisé par la CSA.

Spanish

Campo(s) temático(s)
  • Tratamiento de la información (Informática)
DEF

En los sistemas de administración de la base de datos, es la forma más simple de una organización de archivos (ficheros), en la cual los registros de varios niveles se relacionan al pertenecer o ser pertenecidos por otros.

Save record 6

Record 7 1998-11-30

English

Subject field(s)
  • Systems Analysis (Information Processing)
DEF

Any data structure that permits data to be organized into interconnected and interrelated groupings, called sets.

OBS

A network structure makes extensive use of techniques that utilize pointers that permit sets of data to be linked together in various ways.

OBS

Contrast with "hierarchical data structure".

French

Domaine(s)
  • Analyse des systèmes informatiques
DEF

Structure de données qui consiste en une collection de cellules de tailles diverses, liées entre elles par des pointe urs formant essentiellement un graphe orienté connexe pouvant contenir des cycles.

Spanish

Save record 7

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