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MEA technology company
Dimension Data was a company specialising in information technology services. Based in Johannesburg, South Africa, the company maintained operations on
Dimension_Data
Structure that categorizes facts and measures in a data warehouse
dimensions.) In a data warehouse, dimensions provide structured labeling information to otherwise unordered numeric measures. The dimension is a data set composed
Dimension_(data_warehouse)
Structure in data warehousing
In data management and data warehousing, a slowly changing dimension (SCD) is a dimension that stores data which, while generally stable, may change over
Slowly_changing_dimension
Property of a mathematical space
In physics and mathematics, the dimension of a mathematical space (or object) is informally defined as the minimum number of coordinates needed to specify
Dimension
Difficulties arising when analyzing data with many aspects ("dimensions")
The curse of dimensionality refers to various phenomena that arise when analyzing and organizing data in high-dimensional spaces that do not occur in low-dimensional
Curse_of_dimensionality
Process of reducing the number of random variables under consideration
Dimensionality reduction, or dimension reduction, is the transformation of data from a high-dimensional space into a low-dimensional space so that the
Dimensionality_reduction
Centralized storage of knowledge
data mining. OLAP databases store aggregated, historical data in multi-dimensional schemas (usually star schemas). OLAP systems typically have a data
Data_warehouse
Study of high-dimensional data
In statistical theory, the field of high-dimensional statistics studies data whose dimension is larger (relative to the number of datapoints) than typically
High-dimensional_statistics
South African cycling team
Two months later, Dimension Data was announced as the team's new primary sponsor. The new team name would be "Team Dimension Data for Qhubeka"; the change
Team_Qhubeka_NextHash
Method of data analysis
high-dimensional data is the cluster analysis of data with anywhere from a few dozen to many thousands of dimensions. Such high-dimensional spaces of data
Clustering high-dimensional data
Clustering_high-dimensional_data
South African-born American entrepreneur and venture investor
largest ISP and private data carrier in Africa, providing the internet backbone for more than 600 companies. Dimension Data (DiData) acquired 25% of Internet
David_Frankel_(entrepreneur)
Type of data structure
mathematical formula. The simplest type of data structure is a linear array, also called a one-dimensional array. For example, an array of ten 32-bit
Array_(data_structure)
Longitudinal statistical study
panel data and longitudinal data are both multi-dimensional data involving measurements over time. Panel data is a subset of longitudinal data where observations
Panel_data
Golf tournament
The Dimension Data Pro-Am, currently titled as the NTT Data Pro-Am, is an annual golf tournament which is played on the South African Sunshine Tour, founded
Dimension_Data_Pro-Am
Manx road and track cyclist (born 1985)
Team Dimension Data for 2016". VeloNews. 29 September 2015. Archived from the original on 1 May 2016. Retrieved 10 January 2016. "Dimension Data finalise
Mark_Cavendish
Data warehousing schema
is the simplest style of data mart schema and is the approach most widely used to develop data warehouses and dimensional data marts. The star schema consists
Star_schema
American businessman (born 1966)
Dimension Data. A bidding war ensued and Proxicom was bought by Dimension Data. From 2000 to 2002, he was Chief Executive Officer for Dimension Data North
Raul_Fernandez_(entrepreneur)
Cycling team season
The 2016 season for the Team Dimension Data cycling team began in January at the Tour Down Under. It was the team's first season with this name, having
2016_Dimension_Data_season
French professional golfer (born 1997)
French professional golfer and European Tour player. In 2024, he won the Dimension Data Pro-Am and the D+D Real Czech Masters. Ravetto was born in Boulogne-Billancourt
David_Ravetto
Projection of data onto lower-dimensional manifolds
Nonlinear dimensionality reduction (NLDR), also known as manifold learning, is any of various related techniques that aim to project high-dimensional data, potentially
Nonlinear dimensionality reduction
Nonlinear_dimensionality_reduction
Representation learning technique
representation learning technique that maps complex, high-dimensional data into a lower-dimensional vector space of numerical vectors. It also denotes the
Embedding_(machine_learning)
Mapping function that preserves data point locality
Morton order or Morton code map multidimensional data to one dimension while preserving locality of the data points (two points close together in multidimensions
Z-order_curve
Japanese telecommunication company
and South African IT company Dimension Data Holdings announced an agreement of a cash offer from NTT for Dimension Data's entire issued share capital,
NTT_Inc.
Unit of information
data Data (computer science) Data acquisition Data analysis Data bank Data cable Data center Data curation Data domain Data element Data farming Data
Data
Cycling team season
The 2017 season for the Team Dimension Data cycling team began in January at the Tour Down Under. As a UCI WorldTeam, they were automatically invited and
2017_Dimension_Data_season
Data modeling concept
design of the model of all the enterprise data using tools such as entity-relationship modeling (ER). Dimensional modeling always uses the concepts of facts
Dimensional_modeling
Cycling team season
The 2019 season for the Team Dimension Data cycling team will begin in January at the Tour Down Under. As a UCI WorldTeam, they will be automatically invited
2019_Dimension_Data_season
Posits ability to interpolate within latent manifolds
many high-dimensional data sets that occur in the real world actually lie along low-dimensional latent manifolds inside that high-dimensional space. As
Manifold_hypothesis
African telecommunications company
private sector organisations. It is a wholly owned subsidiary of the Dimension Data Group and part of NTT. Headquartered in South Africa, IS has operating
Internet_Solutions
Data analysis process
football team at each of several years is a single-dimensional (in this case, longitudinal) data set. A data set consisting of the number of wins for several
Multidimensional_analysis
Technique for dimensionality reduction
statistical method for visualizing high-dimensional data by giving each datapoint a location in a two or three-dimensional map. It is based on Stochastic Neighbor
T-distributed stochastic neighbor embedding
T-distributed_stochastic_neighbor_embedding
Storage with three-dimensional resolution for information
3D optical data storage is any form of optical data storage in which information can be recorded or read with three-dimensional resolution (as opposed
3D_optical_data_storage
Analysis of datasets using techniques from topology
datasets that are high-dimensional, incomplete and noisy is generally challenging. TDA provides a general framework to analyze such data in a manner that is
Topological_data_analysis
Cycling team
U23 Time Trial, Marc Pritzen South African Road Race, Marc Pritzen "Dimension Data Continental Team". Archived from the original on 16 February 2016. "Team
Q36.5_Continental_Team
South African professional golfer (born 1984)
has won seven times. He won the 2011 Northern Cape Classic, the 2012 Dimension Data Pro-Am, the 2013 Telkom PGA Pro-Am and the 2016 Sun City Challenge.
Oliver_Bekker
Internet Service Provider based in South Africa
core network assets divisions to Internet Solutions, a division of Dimension Data. In December 2016, Internet Solutions announced that it had entered
MWEB
Multi-dimensional data structure
In computer programming, a data cube (or datacube) is a multi-dimensional array of values. Typically, the term "data cube" is applied in contexts where
Data_cube
Manx professional golfer (born c. 2001)
Dawson played on the 2024 Sunshine Ladies Tour, where she led the Dimension Data Ladies Pro-Am after the first two rounds, and ultimately tied for 3rd
Ana_Dawson
South African professional golfer
hot streak with Dimension Data victory". European Tour. 9 May 2021. Retrieved 9 May 2021. "Nienaber cruises to seven-shot win in NTT Data Pro-Am". SuperSport
Wilco_Nienaber
Building on Lambton Quay, Wellington
157 Lambton Quay, currently known as NTT Tower (formerly Dimension Data Tower, 'Vodafone on The Quay' and 'Mobil on The Park') was designed by Peddle Thorp
157_Lambton_Quay
Multidimensional search tree for points in k dimensional space
tree (short for k-dimensional tree) is a space-partitioning data structure for organizing points in a k-dimensional space. K-dimensional is that which concerns
K-d_tree
Tabular data representation in memory
and Apache Avro. Tabular data is two dimensional — data is modeled as rows and columns. However, computer systems represent data in a linear memory model
Data_orientation
Interdisciplinary branch of science concerned with presenting scientific data visually
the Broad Street cholera outbreak. Criteria for classifications: dimension of the data method textura based methods geometry-based approaches such as arrow
Scientific_visualization
Machine learning technique useful for dimensionality reduction
low-dimensional (typically two-dimensional) representation of a higher-dimensional data set while preserving the topological structure of the data. For
Self-organizing_map
Notion in supervised machine learning
In Vapnik–Chervonenkis theory, the Vapnik–Chervonenkis (VC) dimension is a measure of the size (capacity, complexity, expressive power, richness, or flexibility)
Vapnik–Chervonenkis_dimension
Chart displaying multivariate data
high-dimensional datasets to analyze multivariate data having multiple variables, or attributes. To plot, or visualize, a set of points in n-dimensional space
Parallel_coordinates
Least variables needed to represent data
The intrinsic dimension can be used as a lower bound of what dimension it is possible to compress a data set into through dimension reduction, but it
Intrinsic_dimension
Library and toolkit for multi-dimensional data
for the storage and manipulation of multi-dimensional data sets. CGNS (CFD General Notation System) Common data model EAS3 (Ein-Ausgabe-System) FITS (Flexible
Common_Data_Format
Cycling team season
The 2018 season for the Team Dimension Data cycling team began in January at the Tour Down Under. As a UCI WorldTeam, they were automatically invited and
2018_Dimension_Data_season
Computerized information extraction from images
analyzing, and understanding digital images, and extraction of high-dimensional data from the real world in order to produce numerical or symbolic information
Computer_vision
Eritrean road cyclist
a club team. In 2016, he joined Dimension Data for Qhubeka, the development team of UCI WorldTeam Team Dimension Data, and was selected to join the WorldTeam
Amanuel_Ghebreigzabhier
data warehouse, a degenerate dimension is a dimension key (primary key for a dimension table) in the fact table that does not have its own dimension table
Degenerate_dimension
Swedish professional golfer (born 1995)
golfer who plays on the Ladies European Tour. In 2023, she won the Dimension Data Ladies Pro-Am and was runner-up at the Joburg Ladies Open and the Open
Moa_Folke
File format designed to store three-dimensional data from 3D scanners
Triangle Format. It was principally designed to store three-dimensional data from 3D scanners. The data storage format supports a relatively simple description
PLY_(file_format)
Algorithmic technique using hashing
as a way to reduce the dimensionality of high-dimensional data; high-dimensional input items can be reduced to low-dimensional versions while preserving
Locality-sensitive_hashing
Golf tournament on the Sunshine Ladies Tour in Johannesburg, South Africa
men's Dimension Data Pro-Am on the Sunshine Tour. The professional golfers are teamed with an amateur and together they compete for the Dimension Data Ladies
NTT_Data_Ladies_Pro-Am
Topics referred to by the same term
Look up dimension in Wiktionary, the free dictionary. The dimension of a space or object is informally defined as the minimum number of coordinates needed
Dimension_(disambiguation)
British racing cyclist
Discovery Channel, Barloworld, Team Sky, BMC Racing Team and Team Dimension Data squads, and rode for Great Britain at the Summer Olympic Games, the
Steve_Cummings
Racing cyclist (born 1982)
Agricole, HTC–Highroad, Belkin Pro Cycling, Etixx–Quick-Step and Team Dimension Data teams. His most notable wins are the general classification of the 2011
Mark_Renshaw
Cycling race
to the 39-year-old Lars Bak (Team Dimension Data). Team Sunweb had the youngest average age while Team Dimension Data had the oldest. The teams participating
2019_Tour_de_France
Device using satellite navigation to determine geolocation
Dimension Data's rider tracking at the Tour de France". Velo. 20 July 2015. Retrieved 22 August 2026. "The new dimension to the Tour de France: data"
GPS_tracking_unit
Grouping a set of objects by similarity
high-dimensional data, many methods fail due to the curse of dimensionality, which renders particular distance functions problematic in high-dimensional spaces
Cluster_analysis
American biostatistician
research investigates the use of machine learning to understand high-dimensional data. Witten studied mathematics and biology at Stanford University, graduating
Daniela_Witten
Nonlinear dimensionality reduction method
Isomap is used for computing a quasi-isometric, low-dimensional embedding of a set of high-dimensional data points. The algorithm provides a simple method
Isomap
Belarusian road bicycle racer
Fassa Bortolo, Acqua & Sapone, Barloworld, HTC–Highroad, Team Sky, Team Dimension Data and Bahrain–Merida squads. He retired after provisionally being suspended
Kanstantsin_Sivtsov
Tree-based ensemble machine learning methods
2010-2014. Ghosh D, Cabrera J. (2022) Enriched random forest for high dimensional genomic data. IEEE/ACM Trans Comput Biol Bioinform. 19(5):2817-2828. doi:10
Random_forest
Visual representation of data
A horizon chart or horizon graph is a 2-dimensional data visualization displaying a quantitative data over a continuous interval, most commonly a time
Horizon_chart
South African businessman (born 1956)
group Convergence Partners and is also the former Executive Chairman of Dimension Data Middle East and Africa. Through Convergence Partners, Ngcaba was also
Andile_Ngcaba
South African cyclist (born 1992)
he finished 12th overall. Meintjes returned to his former team, Team Dimension Data, for the 2018 season. He was named in the startlist for the 2018 Giro
Louis_Meintjes
Spanish cyclist
in order to gain points for the classification. Subsequently, Team Dimension Data announced that Fraile would join them for the 2016 season. He was named
Omar_Fraile
Data visualisation technique
The multivariate data that is the original input for any grand tour visualization is a (finite) set of points in some high-dimensional Euclidean space
Grand Tour (data visualisation)
Grand_Tour_(data_visualisation)
Data type that represents an ordered collection of elements (values or variables)
provided support for multi-dimensional arrays. An array data structure can be mathematically modeled as an abstract data structure (an abstract array)
Array_(data_type)
Canadian professional golfer (born 1970)
professional in 1995. McLean has two Sunshine Tour wins, including the 2006 Dimension Data Pro-Am, and also won the 2012 Jamieson WFCU Windsor Roseland Charity
Alan_McLean_(golfer)
Cycling race
Nairo Quintana (Movistar Team), respectively. Mark Cavendish of Team Dimension Data won the opening stage to take the general classification leader's yellow
2016_Tour_de_France
Cycling race
(Trek–Segafredo). Cannondale–Drapac had the youngest average age while Team Dimension Data had the oldest. The teams entering the race were: UCI WorldTeams AG2R
2017_Tour_de_France
Real-valued number of spatial dimensions
fractal dimension that build on this basic concept of change in detail with change in scale, see § Examples below. Ultimately, the term fractal dimension became
Fractal_dimension
Computer memory type used for data preservation
suggested the name '5D data crystal'. No exotic higher dimensional properties are involved. The size, orientation and three-dimensional position of the nanostructures
5D_optical_data_storage
Australian road cyclist
at the Tour of the Gila and the Tour of Utah, in September 2016 Team Dimension Data confirmed that Morton would join them for 2017, reuniting him with former
Lachlan_Morton
This is a comprehensive list of victories of the Team Qhubeka NextHash cycling team. The races are categorized according to the UCI Continental Circuits
List of wins by Team MTN and its successors
List_of_wins_by_Team_MTN_and_its_successors
South African professional golfer (born 1994)
5th-place finishes in both the Eye of Africa PGA Championship and the Dimension Data Pro-Am. He was the 2016–17 Sunshine Tour Rookie of the Year, awarded
Christiaan_Bezuidenhout
Data visualization technique
A heat map (or heatmap) is a two-dimensional data visualization technique that represents the magnitude of individual values within a dataset as a color
Heat_map
produce three-dimensional data, the Fourier shell correlation (FSC) measures the normalised cross-correlation coefficient between two 3-dimensional volumes
Fourier_shell_correlation
Cached summaries to speed up queries
summary used in dimensional models of data warehouses to shorten the time it takes to provide answers to typical queries on large sets of data. The reason
Aggregate_(data_warehouse)
British road cyclist
the startlist for the 2016 Vuelta a España. In September 2016 Team Dimension Data confirmed that Thwaites would join them for 2017. In his first season
Scott_Thwaites
Invariant measure of fractal dimension
In mathematics, the Hausdorff dimension is a measure of roughness, or more specifically, fractal dimension, that was introduced in 1918 by mathematician
Hausdorff_dimension
Cycling race
Bahrain–Merida BMC Racing Team Bora–Hansgrohe Cannondale–Drapac Team Dimension Data FDJ Team Katusha–Alpecin LottoNL–Jumbo Lotto–Soudal Movistar Team Orica–Scott
2017_Giro_d'Italia
Ireland and India, and data centers in California, Virginia and the United Kingdom. OpSource is now part of the ICT company Dimension Data which acquired OpSource
OpSource
Italian racing cyclist
on 3 different stages. Nizzolo signed a two-year contract with Team Dimension Data on 21 September 2018; this marked the first time Nizzolo had changed
Giacomo_Nizzolo
Scientific document format
provides two XDF APIs, in Perl and in Java. XDF is used to store high-dimensional data and information related to it in compact XML format. The purpose is
Extensible_Data_Format
Singaporean politician (born 1974)
worked at Arthur Andersen, IBM Business Consulting Services, Avanade, Dimension Data and Ernst & Young. He made his political debut in the 2006 general election
Zaqy_Mohamad
data in multi-dimensional metric spaces. The kNN query is one of the hardest problems on multi-dimensional data, especially when the dimensionality of
IDistance
Overview of and topical guide to computer vision
high-dimensional data from the real world in order to produce numerical or symbolic information that the computer can interpret. The image data can take
Outline_of_computer_vision
typically used as measures. Data warehouse Dimension (data warehouse) Kimball, Ralph et al. (1998); The Data Warehouse Lifecycle Toolkit, p17. Pub. Wiley
Measure_(data_warehouse)
Mathematical result
become bogged down very quickly as dimension increases. It is therefore desirable to reduce the dimensionality of the data in a way that preserves its relevant
Johnson–Lindenstrauss_lemma
Clustering algorithm minimizing the sum of distances to k representatives
by reducing the dimensionality of then data using principal component analysis, projecting the data points into the lower dimensional subspace, and then
K-medoids
Australian racing cyclist
start list for the 2015 Tour de France. In the autumn of 2015 Team Dimension Data announced that Haas had signed with them for the 2016 season, joining
Nathan_Haas
Cycling race
and six UCI Continental teams. UCI WorldTeams Cannondale–Drapac Team Dimension Data LottoNL–Jumbo Lotto–Soudal Orica–Scott UCI Professional Continental
2017_Tour_of_Norway
Processing mode
derived from the dimension tables. Each measure can be thought of as having a set of labels, or meta-data associated with it. A dimension is what describes
Online_analytical_processing
Facility used to house computer servers
create a three-dimensional image of the hot and cool zones in a data center. This information can help identify optimal positioning of data center equipment
Data_center
Type of database that uses vectors to represent other data
mathematical representations of data in a high-dimensional space. In this space, each dimension corresponds to a feature of the data, with the number of dimensions
Vector_database
travel, tourism, insurance
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