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What is Dimension

Handbook of Research on Innovations in Database Technologies and Applications: Current and Future Trends
An abstract concept for grouping data that shares a common semantic meaning within the domain being modeled.
Published in Chapter:
Different Kinds of Hierarchies in Multidimensional Models
Elzbieta Malinowski (Universidad de Costa Rica, Costa Rica)
DOI: 10.4018/978-1-60566-242-8.ch006
Abstract
In the database design, the advantages of using conceptual models for representing users’ requirements are well known. Nevertheless, even though data warehouses (DWs) are databases that store historical data for analytical purposes, they are usually represented at the logical level using the star and snowflake schemas. These schemas facilitate delivery of data for online analytical processing (OLAP) systems. In particular, hierarchies are important since traversing them, OLAP tools perform automatic aggregations of data using the roll-up and drill-down operations. The former operation transforms detailed data into aggregated ones (e.g., daily into monthly sales) while the latter does the opposite.
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Horizontal Data Partitioning: Past, Present and Future
A business perspective useful for analyzing data. A dimension usually contains one or more hierarchies that can be used to drill up or down to different levels of detail
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E-Learning Standards: Beyond Technical Standards to Guides for Professional Practice
The eMM supplements the CMM concept of maturity levels, which describe the evolution of the organisation as a whole, with dimensions. The five dimensions of the eMM are: (1) Delivery; (2)Planning; (3)Definition; (4) Management; (5) Optimisation. The key idea underlying the dimension concept is holistic capability. Rather than the eMM measuring progressive levels, it describes the capability of a process from these five synergistic perspectives. An organization that has developed capability on all dimensions for all processes will be more capable than one that has not. Capability at the higher dimensions that is not supported by capability at the lower dimensions will not deliver the desired outcomes; capability at the lower dimensions that is not supported by capability in the higher dimensions will be ad-hoc, unsustainable and unresponsive to changing organizational and learner needs.
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Cellular Automata-Basics: Applications in Problem Solving
A scale to decide the spread or range of the neighborhood of CA grid.
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Statistical Dissemination Systems and the Web
It is a property of data used to classify them and navigate the corresponding data cube. In data warehouses, dimensions are often organized into several hierarchical levels, for example, a time dimension can be organized into days, months, and years.
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Mining Multimodal Big Data: Tensor Methods and Applications
There is some ambiguity in the usage of this word as it may either be used to refer to the number of modes of an array e.g., a matrix being referred to as containing 2-dimensional data; or the number of indices in a specific mode, e.g., a vector with AU252: Mathtype 351 elements may be referred to as -dimensional vector. In this chapter, its usage refers to the latter case.
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Concept-Oriented Model
A named link between this concept and some of its direct superconcepts. It is analogous to a column. The superconcept in this case is referred to as a domain of this dimension.
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Of Paradigms, Theories, and Models: A Conceptual Hierarchical Structure for Communication Science and Technoself
An empirically established and verifiable continuum that together with other dimensions defines a model.
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Web Analytics Overview
An attribute or a perspective to describe measures.
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A Critical Review of Learning Organizations in the 21st Century
It this article, it is used as a countable noun. Thus, it means a measurement of something in one direction.
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A Critical Review of Learning Organizations in the 21st Century
It this article, it is used as a countable noun. Thus, it means a measurement of something in one direction.
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Requirements on Dimensions for a Maturity Model for Smart Grids Based on Two Case Studies: Disciplined vs. Agile Approach
Dimensions include specific skills, process areas, and other design objects to structure an area of interest. Dimensions should be complete and well distinguishable. They are specified either by means of evaluation elements/measurement criteria (practices, objects, or activities) or qualitative descriptions.
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Learning Organizations vs. Static Organizations in the Context of E-HRM
It this article, it is used as a countable noun. Thus, it means a measurement of something in one direction
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A Typology of Conscious Decision Making for Service-Learning Field Experiences: Labeling Practice and Identifying Praxis
The levels in the presented typology that signify the various aspect of service-learning field experiences, typically shaped around some kind of qualifier.
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Pursuing Business Longevity: Ways to Enhance Sustainable Development
Perspective from which understand reality, shaped by professional and personal experiences.
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Comparing Learning Organizations with Static Organizations
It this article, it is used as a countable noun. Thus, it means a measurement of something in one direction.
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Advances in Describing and Managing Our Environment
Specifies how many numbers (coordinates) are needed to determine a position of a point in space. For example, in Cartesian space three coordinates x, y, and z tell about position of a point. A point has no length, area, volume or any other dimensional attributes, so many mathematicians claim a point is 0-dimensional. However, in the Euclidian three-dimensional space, three numbers describe a point: x-horizontal axis, y-vertical axis, and z-depth. A line has one dimension because only one coordinate is needed to describe a point on it, while a surface has two dimensions. Data may be linear or multidimensional. Ben Shneiderman (1996) AU74: The in-text citation "Ben Shneiderman (1996)" is not in the reference list. Please correct the citation, add the reference to the list, or delete the citation. described seven data types: one-, two-, three-dimensional data, temporal and multi-dimensional data, and also tree and network data. They may be flat, tridimensional, time-based, or virtual.
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