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A Uniform Resource Name (URN) is a Uniform Resource Identifier (URI) that uses the urn scheme. URNs are globally unique persistent identifiers assigned within defined namespaces so they will be available for a long period of time, even after the resource which they identify ceases to exist or becomes unavailable. [ 1 ]
The California Job Case was a compartmentalized box for printing in the 19th century, sizes corresponding to the commonality of letters. The frequency of letters in text has been studied for use in cryptanalysis, and frequency analysis in particular, dating back to the Arab mathematician al-Kindi (c. AD 801–873 ), who formally developed the method (the ciphers breakable by this technique go ...
A URN may be used to talk about a resource without implying its location or how to access it. For example, in the International Standard Book Number (ISBN) system, ISBN 0-486-27557-4 identifies a specific edition of the William Shakespeare play Romeo and Juliet. The URN for that edition would be urn:isbn:0-486-27557-4. However, it gives no ...
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HTML and XML provide ways to reference Unicode characters when the characters themselves either cannot or should not be used. A numeric character reference refers to a character by its Universal Character Set/Unicode code point, and a character entity reference refers to a character by a predefined name.
The {{single chart}} template is available for formatting chart tables for single articles and the {{album chart}} template is for album articles. The use of the templates is strongly encouraged, as they automatically create a correct reference for the chart entry, allow changes to sourcing sites to be accommodated by editing a central location ...
file://path (i.e. two slashes, without a hostname) is never correct, but is often used. Further slashes in path separate directory names in a hierarchical system of directories and subdirectories. In this usage, the slash is a general, system-independent way of separating the parts, and in a particular host system it might be used as such in ...
An urn is a vase-like container. Urn may refer to: Urn problem of probability theory; Urn, an album by Ne Obliviscaris; The acronym URN may refer to: Uganda Radio Network, a Ugandan news agency; Uniform Resource Name, an Internet identifier; Unique Reference Number, an identifier of UK schools; University Radio Nottingham, England