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This page provides an overview of 595 keyword 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 keywords and narrow the focus to specific terms of interest (see FAQs on filtering for usage tips). Select this link to remove all filters.

Term Brief description Total articles Total usage Trending factorsort icon Charts

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

learning management system

A learning management system (commonly abbreviated as LMS) is a software application for the administration, documentation, tracking, and reporting of training programs, classroom and online events, e-learning programs, and training content. As described in (Ellis 2009) a robust LMS should be able to do the following: centralize and automate administration; use self-service and self-guided services; assemble and deliver learning content rapidly; consolidate training initiatives on a scalable web-based platform; support portability and standards; personalize content and enable knowledge reuse. (Excerpt from Wikipedia article: Learning management system)

Percentage of Ariadne articles tagged with this term: 0.7%.
12 25 4

intellectual property

Intellectual property (IP) is a term referring to a number of distinct types of creations of the mind for which a set of exclusive rights are recognized - and the corresponding fields of law. Under intellectual property law, owners are granted certain exclusive rights to a variety of intangible assets, such as musical, literary, and artistic works; discoveries and inventions; and words, phrases, symbols, and designs. Common types of intellectual property include copyrights, trademarks, patents, industrial design rights and trade secrets in some jurisdictions. (Excerpt from Wikipedia article: Intellectual property)

Percentage of Ariadne articles tagged with this term: 9.2%.
161 220 4.2


Personalization involves using technology to accommodate the differences between individuals. Once confined mainly to the Web, it is increasingly becoming a factor in education, health care (i.e. personalized medicine), television, and in both "business to business" and "business to consumer" settings. Web pages are personalized based on the characteristics (interests, social category, context, ...) of an individual. Personalization implies that the changes are based on implicit data, such as items purchased or pages viewed. The term customization is used instead when the site only uses explicit data such as ratings or preferences. (Excerpt from Wikipedia article: Personalisation)

Percentage of Ariadne articles tagged with this term: 4.7%.
81 211 4.2

dewey decimal

The Dewey Decimal Classification (DDC, also called the Dewey Decimal System) is a proprietary system of library classification developed by Melvil Dewey in 1876. It has been greatly modified and expanded through 22 major revisions, the most recent in 2003. This system organizes books on library shelves in a specific and repeatable order that makes it easy to find any book and return it to its proper place. The system is used in 200,000 libraries in at least 135 countries. A designation such as Dewey 16 refers to the 16th edition of the DDC. (Excerpt from Wikipedia article: Dewey Decimal)

Percentage of Ariadne articles tagged with this term: 1%.
18 23 4.3

research information management

Research information refers to administrative information about research projects, researchers, research outputs, funding, and so on. Universities need to manage information about the research they host, in order to inform strategic decisions about that research, to ease reporting to external stakeholders such as funding councils and research funders, and to offer useful services to those within and beyond the institution’s boundaries. There is a lot of work at the moment in this area in the UK, complementing that in other countries. In both the Netherlands and Denmark, for example, universities use a common system to document core information about research (METIS and PURE respectively). Both of these systems are based around the CERIF data model, as are other systems in use such as Converis and the publications-oriented system Symplectic and national systems such as HunCRIS (in Hungary) and SICRIS (in Slovenia). In the UK, JISC, HEFCE, the Research Councils and others are funding a range of work to help the sector better manage information about research, covering institutional infrastructure (joining up institutional systems), national infrastructure (building services and interoperability to share research information), as well as providing guidance, support and opportunities to share experiences and work together. (Excerpt from this source)

Percentage of Ariadne articles tagged with this term: 0.6%.
11 23 4.3

learning objects

A learning object is "a collection of content items, practice items, and assessment items that are combined based on a single learning objective". The term is credited to Wayne Hogins when he created a working group in 1994 bearing the name though the concept was first described by Gerard in 1967. Learning objects go by many names, including content objects, chunks, educational objects, information objects, intelligent objects, knowledge bits, knowledge objects, learning components, media objects, reusable curriculum components, nuggets, reusable information objects, reusable learning objects, testable reusable units of cognition, training components, and units of learning. Learning objects offer a new conceptualization of the learning process: rather than the traditional "several hour chunk", they provide smaller, self-contained, re-usable units of learning. They will typically have a number of different components, which range from descriptive data to information about rights and educational level. At their core, however, will be instructional content, practice, and assessment. A key issue is the use of metadata. Learning object design raises issues of portability, and of the object's relation to a broader learning management system. (Excerpt from Wikipedia article: Learning Objects)

Percentage of Ariadne articles tagged with this term: 4%.
69 199 4.5

mobile learning

The term M-Learning, or "mobile learning", has different meanings for different communities. Although related to e-learning and distance education, it is distinct in its focus on learning across contexts and learning with mobile devices. One definition of mobile learning is: Any sort of learning that happens when the learner is not at a fixed, predetermined location, or learning that happens when the learner takes advantage of the learning opportunities offered by mobile technologies. In other words mobile learning decreases limitation of learning location with the mobility of general portable devices. The term covers: learning with portable technologies including but not limited to handheld computers, MP3 players, notebooks and mobile phones. M-learning focuses on the mobility of the learner, interacting with portable technologies, and learning that reflects a focus on how society and its institutions can accommodate and support an increasingly mobile population. (Excerpt from Wikipedia article: Mobile learning)

Percentage of Ariadne articles tagged with this term: 0.6%.
11 22 4.5

digital curation

Digital curation is the selection, preservation, maintenance, collection and archiving of digital assets. Digital curation is the process of establishing and developing long term repositories of digital assets for current and future reference by researchers, scientists, and historians, and scholars generally. (Excerpt from Wikipedia article: Digital curation)

Percentage of Ariadne articles tagged with this term: 5.1%.
89 192 4.8

content negotiation

Content negotiation is a mechanism defined in the HTTP specification that makes it possible to serve different versions of a document (or more generally, a resource) at the same URI, so that user agents can specify which version fit their capabilities the best. One classical use of this mechanism is to serve an image in GIF or PNG format, so that a browser that cannot display PNG images (e.g. MS Internet Explorer 4) will be served the GIF version. To summarize how this works, when a user agent submits a request to a server, the user agent informs the server what media types it understands with ratings of how well it understands them. More precisely, the user agent provides an Accept HTTP header that lists acceptable media types and associated quality factors. The server is then able to supply the version of the resource that best fits the user agent's needs. (Excerpt from Wikipedia article: Content negotiation)

Percentage of Ariadne articles tagged with this term: 0.5%.
9 20 5


Graphics are visual presentations on some surface, such as a wall, canvas, computer screen, paper, or stone to brand, inform, illustrate, or entertain. Examples are photographs, drawings, Line Art, graphs, diagrams, typography, numbers, symbols, geometric designs, maps, engineering drawings, or other images. (Excerpt from Wikipedia article: Graphics)

Percentage of Ariadne articles tagged with this term: 10.5%.
183 301 5.2


In mathematics and computer science, an algorithm is an effective method expressed as a finite list of well-defined instructions for calculating a function. Algorithms are used for calculation, data processing, and automated reasoning. In simple words an algorithm is a step-by-step procedure for calculations. Starting from an initial state and initial input (perhaps empty), the instructions describe a computation that, when executed, will proceed through a finite number of well-defined successive states, eventually producing "output" and terminating at a final ending state. The transition from one state to the next is not necessarily deterministic; some algorithms, known as randomized algorithms, incorporate random input. (Excerpt from Wikipedia article: Algotithm)

Percentage of Ariadne articles tagged with this term: 5.4%.
94 168 5.4

digital preservation

Digital preservation is the active management of digital information over time to ensure its accessibility. Preservation of digital information is widely considered to require more constant and ongoing attention than preservation of other media. This constant input of effort, time, and money to handle rapid technological and organizational advance is considered a major stumbling block for preserving digital information. Indeed, while we are still able to read our written heritage from several thousand years ago, the digital information created merely a decade ago is in serious danger of being lost, creating a digital Dark Age. (Excerpt from Wikipedia article: Digital preservation)

Percentage of Ariadne articles tagged with this term: 10.6%.
184 857 5.6

digital media

Digital media is a form of electronic media where data is stored in digital (as opposed to analog) form. It can refer to the technical aspect of storage and transmission (e.g. hard disk drives or computer networking) of information or to the "end product", such as digital video, augmented reality or digital art. (Excerpt from Wikipedia article: Digital media)

Percentage of Ariadne articles tagged with this term: 3%.
52 64 6.2

mobile phone

A mobile phone (also called mobile, cellular telephone, cell phone, or hand phone (in Southeast Asian English)) is an electronic device used to make mobile telephone calls across a wide geographic area. Mobile phones are different from cordless telephones, which only offer telephone service within a limited range of a fixed land line, for example within a home or an office. A mobile phone can make and receive telephone calls to and from the public telephone network which includes other mobiles and fixed-line phones across the world. It does this by connecting to a cellular network owned by a mobile network operator. In addition to functioning as a telephone, a modern mobile phone typically supports additional services such as SMS (or text) messaging, MMS, e-mail and Internet access; short-range wireless (infrared or Bluetooth) communications; as well as business and gaming applications, and photography. Mobile phones that offer advanced computing abilities are referred to as smartphones. (Excerpt from Wikipedia article: Mobile phone)

Percentage of Ariadne articles tagged with this term: 2.3%.
40 65 6.2


Short messages on services such as Twitter, FriendFeed or may be tagged by including one or more hashtags: words or phrases prefixed with a hash symbol (#), with multiple words concatenated, such as those in: #RealAle is my favorite kind of #beer Then, a person can search for the string #RealAle and this tagged word will appear in the search engine results. These hashtags also show up in a number of trending topics websites, including Twitter's own front page. Such tags are case-insensitive, with CamelCase often used for readability. (Excerpt from Wikipedia article: Hashtag)

Percentage of Ariadne articles tagged with this term: 0.6%.
11 15 6.7


Talis Prism provides an interface that helps your users to find both the physical and virtual stock in the library. Talis Prism delivers searching with powerful retrieval methods to ensure quick access to the material. As the interface is based on web standards, the interface can be customised to meet corporate requirements. (Excerpt from this source)

Percentage of Ariadne articles tagged with this term: 0.3%.
6 15 6.7


In computer science and information science, an ontology is a formal representation of knowledge as a set of concepts within a domain, and the relationships between those concepts. It is used to reason about the entities within that domain, and may be used to describe the domain. Its meaning is vastly different from the word Ontology in philosophy. In theory, an ontology is a "formal, explicit specification of a shared conceptualisation". An ontology provides a shared vocabulary, which can be used to model a domain - that is, the type of objects and/or concepts that exist, and their properties and relations. Ontologies are the structural frameworks for organizing information and are used in artificial intelligence, the Semantic Web, systems engineering, software engineering, biomedical informatics, library science, enterprise bookmarking, and information architecture as a form of knowledge representation about the world or some part of it. The creation of domain ontologies is also fundamental to the definition and use of an enterprise architecture framework. (Excerpt from Wikipedia article: Ontology)

Percentage of Ariadne articles tagged with this term: 4%.
69 230 6.8


A persistent uniform resource locator (PURL) is a Uniform Resource Locator (URL) (i.e. location-based Uniform Resource Identifier or URI) that is used to redirect to the location of the requested Web resource. PURLs redirect HTTP clients using HTTP status codes. PURLs are used to curate the URL resolution process, thus solving the problem of transitory URIs in location-based URI schemes like HTTP. Technically the string resolution on PURL is like SEF URL resolution. (Excerpt from Wikipedia article: PURL)

Percentage of Ariadne articles tagged with this term: 0.9%.
16 57 7

information architecture

Information architecture (IA) is the art of expressing a model or concept of information used in activities that require explicit details of complex systems. Among these activities are library systems, Content Management Systems, web development, user interactions, database development, programming, technical writing, enterprise architecture, and critical system software design. Information architecture has somewhat different meanings in these different branches of IS or IT architecture. Most definitions have common qualities: a structural design of shared environments, methods of organizing and labeling websites, intranets, and online communities, and ways of bringing the principles of design and architecture to the digital landscape. (Excerpt from Wikipedia article: Information architecture)

Percentage of Ariadne articles tagged with this term: 2.7%.
47 123 7.2
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