Relevance is the connection between topics that makes one useful for dealing with the other. Relevance is studied in many different fields, including cognitive science, logic, and library and information science. Epistemology studies it in general, and different theories of knowledge have different implications for what is considered relevant.
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👉 Relevance in the context of Fallacies of relevance
An irrelevant conclusion, also known as ignoratio elenchi (Latin for 'ignoring refutation') or missing the point, is the informal fallacy of presenting an argument whose conclusion fails to address the issue in question. It falls into the broad class of relevance fallacies.
The irrelevant conclusion should not be confused with formal fallacy, an argument whose conclusion does not follow from its premises; instead, it is that despite its formal consistency it is not relevant to the subject being talked about.
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Relevance in the context of Standings
A ranking is a relationship between a set of items, often recorded in a list, such that, for any two items, the first is either "ranked higher than", "ranked lower than", or "ranked equal to" the second. In mathematics, this is known as a weak order or total preorder of objects. It is not necessarily a total order of objects because two different objects can have the same ranking. The rankings themselves are totally ordered. For example, materials are totally preordered by hardness, while degrees of hardness are totally ordered. If two items are the same in rank it is considered a tie.
By reducing detailed measures to a sequence of ordinal numbers, rankings make it possible to evaluate complex information according to certain criteria. Thus, for example, an Internet search engine may rank the pages it finds according to an estimation of their relevance, making it possible for the user quickly to select the pages they are likely to want to see.
Relevance in the context of Information needs
In information science, library science, and information retrieval, an information need is person's gap in knowledge leading to a description of information they lack. It is closely related to relevance: if something is relevant for a person in relation to a given task, the person needs the information for that task.
Information needs are related to, but distinct from information requirements. They are studied for:
Relevance in the context of Social identity theory
Social identity is the portion of an individual's self-concept derived from perceived membership in a relevant social group.
As originally formulated by social psychologists Henri Tajfel and John Turner in the 1970s and the 1980s, social identity theory introduced the concept of a social identity as a way in which to explain intergroup behaviour. "Social identity theory explores the phenomenon of the 'ingroup' and 'outgroup', and is based on the view that identities are constituted through a process of difference defined in a relative or flexible way depends on the activities in which one engages." This theory is described as a theory that predicts certain intergroup behaviours on the basis of perceived group status differences, the perceived legitimacy and stability of those status differences, and the perceived ability to move from one group to another. This contrasts with occasions where the term "social identity theory" is used to refer to general theorizing about human social selves. Moreover, and although some researchers have treated it as such, social identity theory was never intended to be a general theory of social categorization. It was awareness of the limited scope of social identity theory that led John Turner and colleagues to develop a cousin theory in the form of self-categorization theory, which built on the insights of social identity theory to produce a more general account of self and group processes.
Relevance in the context of Will Durant
William James Durant (/dəˈrænt/; November 5, 1885 – November 7, 1981) was an American historian and philosopher, best known for his eleven-volume work, The Story of Civilization, which contains and details the history of Eastern and Western civilizations. It was written in collaboration with his wife, Ariel Durant, and published between 1935 and 1975. He was earlier noted for The Story of Philosophy (1926), described as "a groundbreaking work that helped to popularize philosophy".
Durant conceived of philosophy as total perspective or seeing things sub specie totius (i.e., "from the perspective of the whole")—a phrase inspired by Spinoza's sub specie aeternitatis, roughly meaning "from the perspective of the eternal". He sought to unify and humanize the great body of historical knowledge, which had grown voluminous and become fragmented into esoteric specialties, and to vitalize it for contemporary application. As a result of their success, he and his wife were jointly awarded the Pulitzer Prize for General Nonfiction in 1968 and the Presidential Medal of Freedom in 1977.
Relevance in the context of Browsing
Browsing is a kind of orienting strategy. It is supposed to identify something of relevance for the browsing organism. In context of humans, it is a metaphor taken from the animal kingdom. It is used, for example, about people browsing open shelves in libraries, window shopping, or browsing databases or the Internet.
In library and information science, it is an important subject, both purely theoretically and as applied science aiming at designing interfaces which support browsing activities for the user.