Overview of content related to 'national library' http://www.ariadne.ac.uk/taxonomy/term/1176/all?article-type=&term=&organisation=&project=&author=emma%20tonkin&issue= RSS feed with Ariadne content related to specified tag en Persistent Identifiers: Considering the Options http://www.ariadne.ac.uk/issue56/tonkin <div class="field field-type-text field-field-teaser-article"> <div class="field-items"> <div class="field-item odd"> <p><a href="/issue56/tonkin#author1">Emma Tonkin</a> looks at the current landscape of persistent identifiers, describes several current services, and examines the theoretical background behind their structure and use.</p> </div> </div> </div> <h2 id="What_Is_a_Persistent_Identifier_and_Why">What Is a Persistent Identifier, and Why?</h2> <p>Persistent identifiers (PIs) are simply maintainable identifiers that allow us to refer to a digital object – a file or set of files, such as an e-print (article, paper or report), an image or an installation file for a piece of software. The only interesting persistent identifiers are also persistently actionable (that is, you can "click" them); however, unlike a simple hyperlink, persistent identifiers are supposed to continue to provide access to the resource, even when it moves to other servers or even to other organisations.</p> <p><a href="http://www.ariadne.ac.uk/issue56/tonkin" target="_blank">read more</a></p> issue56 feature article emma tonkin ansi california digital library cnri darpa ietf iso niso oclc portico ukoln university of bath archives ark bibliographic data blog browser cataloguing content management cool uri data database digital library digital object identifier dissemination dns doi ftp handle system identifier infrastructure licence metadata multimedia naan name mapping authority namespace national library openurl persistent identifier preservation purl request for comments research rfc search technology software standardisation standards unicode uri url urn utf-8 video z39.88 Tue, 29 Jul 2008 23:00:00 +0000 editor 1413 at http://www.ariadne.ac.uk