Persistent Identifier

A persistent identifier (PI or PID) is a long-lasting reference to a document, file, web page, or other object.

The term "persistent identifier" is usually used in the context of digital objects that are accessible over the Internet. Typically, such an identifier is not only persistent but actionable:[1] you can plug it into a web browser and be taken to the identified source.

Of course, the issue of persistent identification predates the Internet. Over centuries, writers and scholars developed standards for citation of paper-based documents so that readers could reliably and efficiently find a source that a writer mentioned in a footnote or bibliography. After the Internet started to become an important source of information in the 1990s, the issue of citation standards became important in the online world as well. Studies have shown that within a few years of being cited, a significant percentage of web addresses go "dead,"[2][3] a process often called link rot. Using a persistent identifier can slow or stop this process.

An important aspect of persistent identifiers is that "persistence is purely a matter of service."[4] That means that persistent identifiers are only persistent to the degree that someone commits to resolving them for users. No identifier can be inherently persistent.

Persistent identifiers are often created within institutionally administered systems. These include:

However, some regular URLs (i.e. web addresses), maintained by the website owner, are intended to be long-lasting; these are often called permalinks.

Web archiving services such as perma.cc, archive.is, and WebCite offer anyone the ability to archive a web page and create their own persistent identifier for it.

Examples

Other examples of PIDs include:

References

  1. ^ John A. Kunze, "Towards Electronic Persistence Using ARK Identifiers," section 3, California Digital Library [1]
  2. ^ Robert Sanderson, Mark Phillips, and Herbert Van de Sompel, "Analyzing the Persistence of Referenced Web Resources with Memento" (2011), http://arxiv.org/abs/1105.3459
  3. ^ Bugeja, Michael (2010). Vanishing Act: The Erosion of Online Footnotes and Implications for Scholarship in the Digital Age. ISBN 978-1936117147. 
  4. ^ Kunze, J. "The ARK Identifier Scheme". 
  5. ^ "On constructing persistent identifiers with persistent resolution targets". IEEE Conference Publication. Retrieved 2018. 

External links



  This article uses material from the Wikipedia page available here. It is released under the Creative Commons Attribution-Share-Alike License 3.0.

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