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Overview of all keyword tags in articles

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This page provides an overview of 42 tags, ordered by trending factor. Column headings allow re-sorting by other criteria. In the expanding tab below you can adjust filters to display sub-sets of tags and narrow the focus to specific items of interest (see FAQs on filtering for usage tips). Select this link to remove all filters.

Term Brief description Total articles Total usage Trending factor Charts

data

The term data refers to qualitative or quantitative attributes of a variable or set of variables. Data (plural of "datum") are typically the results of measurements and can be the basis of graphs, images, or observations of a set of variables. Data are often viewed as the lowest level of abstraction from which information and then knowledge are derived. Raw data, i.e. unprocessed data, refers to a collection of numbers, characters, images or other outputs from devices that collect information to convert physical quantities into symbols. (Excerpt from Wikipedia article: Data)

Percentage of Ariadne articles tagged with this term: 56.9%.
990 9371 3155.1

educational data mining

Educational Data Mining (EDM) describes a research field concerned with the application of data mining to information generated from educational settings (e.g., universities and intelligent tutoring systems). At a high level, the field seeks to develop methods for exploring this data, which often has multiple levels of meaningful hierarchy, in order to discover new insights about how people learn in the context of such settings. A key area of EDM is mining computer logs of student performance. Another key area is mining enrollment data. Key uses of EDM include predicting student performance, and studying learning in order to recommend improvements to current educational practice. EDM can be considered one of the learning sciences, as well as an area of data mining. A related field is learning analytics. (Excerpt from Wikipedia article: Educational Data Mining)

Percentage of Ariadne articles tagged with this term: 0.1%.
2 13 1300

open data

Open data is a philosophy and practice requiring that certain data be freely available to everyone, without restrictions from copyright, patents or other mechanisms of control. It has a similar ethos to a number of other "Open" movements and communities such as open source and open access. However these are not logically linked and many combinations of practice are found. The practice and ideology itself is well established (for example in the Mertonian tradition of science) but the term "open data" itself is recent. Much of the emphasis in this entry is on data from scientific research and from the data-driven web. In some cases open data may be considered as more properly Open Metadata and there is not yet a consistent formalisation. (Excerpt from Wikipedia article: Open data)

Percentage of Ariadne articles tagged with this term: 1.9%.
33 83 1156.2

big data

In information technology, big data consists of datasets that grow so large that they become awkward to work with using on-hand database management tools. Difficulties include capture, storage, search, sharing, analytics, and visualizing. This trend continues because of the benefits of working with larger and larger datasets allowing analysts to "spot business trends, prevent diseases, combat crime." Though a moving target, current limits are on the order of terabytes, exabytes and zettabytes of data. Scientists regularly encounter this problem in meteorology, genomics, connectomics, complex physics simulations, biological and environmental research, Internet search, finance and business informatics. Data sets also grow in size because they are increasingly being gathered by ubiquitous information-sensing mobile devices, aerial sensory technologies (remote sensing), software logs, cameras, microphones, Radio-frequency identification readers, wireless sensor networks and so on." Every day, 2.5 quintillion bytes of data are created and 90% of the data in the world today was created within the past two years. (Excerpt from Wikipedia article: Big data)

Percentage of Ariadne articles tagged with this term: 0.8%.
14 97 867.10

linked data

Linked Data describes a method of publishing structured data, so that it can be interlinked and become more useful. It builds upon standard Web technologies, such as HTTP and URIs - but rather than using them to serve web pages for human readers, it extends them to share information in a way that can be read automatically by computers. This enables data from different sources to be connected and queried. Tim Berners-Lee, director of the World Wide Web Consortium, coined the term in a design note discussing issues around the Semantic Web project. (Excerpt from Wikipedia article: Linked Data)

Percentage of Ariadne articles tagged with this term: 1.8%.
32 120 799.79

datacite

DataCite is an international consortium which aims to improve data citation in order to: establish easier access to scientific research data on the Internet; to increase acceptance of research data as legitimate, citable contributions to the scientific record; and to support data archiving that will permit results to be verified and re-purposed for future study. (Excerpt from Wikipedia article: DataCite)

Percentage of Ariadne articles tagged with this term: 0.8%.
14 93 619.20

data set

A data set (or dataset) is a collection of data, usually presented in tabular form. Each column represents a particular variable. Each row corresponds to a given member of the data set in question. Its values for each of the variables, such as height and weight of an object or values of random numbers. Each value is known as a datum. The data set may comprise data for one or more members, corresponding to the number of rows. (Excerpt from Wikipedia article: Data set)

Percentage of Ariadne articles tagged with this term: 13.2%.
229 937 569.39

metadata

Metadata can be defined literally as "data about data," but the term is normally understood to mean structured data about digital (and non-digital) resources that can be used to help support a wide range of operations. These might include, for example, resource description and discovery, the management of information resources (including rights management) and their long-term preservation. In the context of digital resources, there exists a wide variety of metadata formats. Viewed on a continuum of increasing complexity, these range from the basic records used by robot-based Internet search services, through relatively simple formats like the Dublin Core Metadata Element Set (DCMES) and the more detailed Text Encoding Initiative (TEI) header and MARC formats, to highly specific formats like the FGDC Content Standard for Digital Geospatial Metadata, the Encoded Archival Description (EAD) and the Data Documentation Initiative (DDI) Codebook. (Excerpt from this source)

Percentage of Ariadne articles tagged with this term: 37.1%.
646 4953 307.5

data management

Data management comprises all the disciplines related to managing data as a valuable resource. The official definition provided by DAMA International, the professional organization for those in the data management profession, is: "Data Resource Management is the development and execution of architectures, policies, practices and procedures that properly manage the full data lifecycle needs of an enterprise." This definition is fairly broad and encompasses a number of professions which may not have direct technical contact with lower-level aspects of data management, such as relational database management. (Excerpt from Wikipedia article: Data management)

Percentage of Ariadne articles tagged with this term: 5.7%.
100 525 234.5

database

A database is a system intended to organize, store, and retrieve large amounts of data easily. It consists of an organized collection of data for one or more uses, typically in digital form. One way of classifying databases involves the type of their contents, for example: bibliographic, document-text, statistical. Digital databases are managed using database management systems, which store database contents, allowing data creation and maintenance, and search and other access. (Excerpt from Wikipedia article: Database)

Percentage of Ariadne articles tagged with this term: 45.3%.
788 3288 130

bibliographic database

A bibliographic database is a database of bibliographic records, an organized digital collection of references to published literature, including journal and newspaper articles, conference proceedings, reports, government and legal publications, patents, books, etc. In contrast to library catalogue entries, a large proportion of the bibliographic records in bibliographic databases describe analytics (articles, conference papers, etc.) rather than complete monographs, and they generally contain very rich subject descriptions in the form of keywords, subject classification terms, or abstracts. (Excerpt from Wikipedia article: Bibliographic database)

Percentage of Ariadne articles tagged with this term: 1.7%.
30 40 40

data citation

Data citation refers to the practice of providing a reference to data in the same way as researchers routinely provide a bibliographic reference to printed resources. The need to cite data is starting to be recognised as one of the key practices underpinning the recognition of data as a primary research output rather than as a by-product of research. While data has often been shared in the past, it is rarely, if ever, cited in the same way as a journal article or other publication might be. If datasets were cited, they would achieve a validity and significance within the cycle of activities associated with scholarly communications and recognition of scholarly effort. (Excerpt from this source)

Percentage of Ariadne articles tagged with this term: 0.8%.
14 47 34

bibliographic data

A bibliographic database is a database of bibliographic records, an organized digital collection of references to published literature, including journal and newspaper articles, conference proceedings, reports, government and legal publications, patents, books, etc. In contrast to library catalogue entries, a large proportion of the bibliographic records in bibliographic databases describe analytics (articles, conference papers, etc.) rather than complete monographs, and they generally contain very rich subject descriptions in the form of keywords, subject classification terms, or abstracts. (Excerpt from Wikipedia article: Bibliographic data)

Percentage of Ariadne articles tagged with this term: 19.9%.
347 727 26.6

data visualisation

Data visualization is the study of the visual representation of data, meaning "information which has been abstracted in some schematic form, including attributes or variables for the units of information". Data visualization is closely related to Information graphics, Information visualization, Scientific visualization and Statistical graphics. In the new millennium data visualization has become active area of research, teaching and development. (Excerpt from Wikipedia article: Data visualization)

Percentage of Ariadne articles tagged with this term: 0.8%.
14 23 17.4

data mining

Data mining (the analysis step of the "Knowledge Discovery in Databases" process, or KDD), an interdisciplinary subfield of computer science, is the computational process of discovering patterns in large data sets involving methods at the intersection of artificial intelligence, machine learning, statistics, and database systems. The overall goal of the data mining process is to extract information from a data set and transform it into an understandable structure for further use. Aside from the raw analysis step, it involves database and data management aspects, data pre-processing, model and inference considerations, interestingness metrics, complexity considerations, post-processing of discovered structures, visualization, and online updating. (Excerpt from Wikipedia article: Data Mining)

Percentage of Ariadne articles tagged with this term: 2.8%.
48 116 13.6

preservation metadata

Preservation metadata is an essential component of most digital preservation strategies. As an increasing proportion of the world's information output shifts from analog to digital form, it is necessary to develop new strategies to preserve this information for the long-term. Preservation metadata is information that supports and documents the digital preservation process. Preservation metadata is sometimes considered a subset of technical or administrative metadata. Preservation metadata stores technical details on the format, structure and use of the digital content, the history of all actions performed on the resource including changes and decisions, the authenticity information such as technical features or custody history, and the responsibilities and rights information applicable to preservation actions. Preservation metadata is access-centered and should accomplish four themes: include details about files and instructions for use; document all updates or actions that have occurred to an object; show provenance and demonstrate current and future custody; list details on the individual(s) who are responsible for the preservation of the object. (Excerpt from Wikipedia article: Preservation metadata)

Percentage of Ariadne articles tagged with this term: 1.4%.
24 49 8.2

uk data archive

The UK Data Archive is a national centre of expertise in data archiving in the United Kingdom (UK). It houses the largest collection of digital data in the social sciences and humanities in the UK. Located in Colchester, the UK Data Archive is a specialist centre of the University of Essex. It is funded by the Economic and Social Research Council (ESRC), the Joint Information Systems Committee (JISC) and the University of Essex. (Excerpt from Wikipedia article: UK Data Archive)

Percentage of Ariadne articles tagged with this term: 1.7%.
30 56 7.2

data model

A data model in software engineering is an abstract model, that documents and organizes the business data for communication between team members and is used as a plan for developing applications, specifically how data is stored and accessed. A data model explicitly determines the structure of data or structured data. Typical applications of data models include database models, design of information systems, and enabling exchange of data. Usually data models are specified in a data modeling language. (Excerpt from Wikipedia article: Data model)

Percentage of Ariadne articles tagged with this term: 2.3%.
40 101 4

geospatial data

A geographic information system (GIS), geographical information system, or geospatial information system is a system that captures, stores, analyzes, manages and presents data with reference to geographic location data. In the simplest terms, GIS is the merging of cartography, statistical analysis and database technology. GIS may be used in archaeology, geography, cartography, remote sensing, land surveying, public utility management, natural resource management, precision agriculture, photogrammetry, urban planning, emergency management, landscape architecture, navigation, aerial video and localized search engines. (Excerpt from Wikipedia article: Geographic information system)

Percentage of Ariadne articles tagged with this term: 3.5%.
61 137 0.7

automatic metadata generation

Use cases for the automatic generation and use of metadata will be developed using an approach that maximises the use of current community knowledge. Through knowledge-gathering workshops, commissioned expert reports, and surveys of the wider community it will be possible to identify a number of key use cases defining how metadata can be automatically gathered and how that metadata will be used. This approach builds on existing expertise and allows the focus to be on gathering use cases, analysing them, identifying tools and services, prioritising them, and assessing the main costs and benefits. The project will deliver general guidance for service providers in HE, a synthesis of previous work on automated metadata generation and a set of recommendations on tools and services required in the future. Project start date: 2009-03-01. Project end date: 2009-08-31. (Excerpt from this source)

Percentage of Ariadne articles tagged with this term: 0.2%.
3 4
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