COinS

ContextObjects in Spans (COinS) is a method to embed bibliographic metadata in the HTML code of web pages. This allows bibliographic software to publish machine-readable bibliographic items and client reference management software to retrieve bibliographic metadata. The metadata can also be sent to an OpenURL resolver. This allows, for instance, searching for a copy of a book at a specific library.[1]

History

In the late 1990s OpenURL was created at Ghent University as framework to provide context-sensitive links. The OpenURL link server implementation called SFX was sold to Ex Libris Group which marketed it to libraries, shaping the idea of a "link resolver". The OpenURL framework was later standardized as ANSI/NISO Z39.88 in 2004 (revised 2010).[2] A core part of OpenURL was the concept of "ContextObjects" as metadata to describe referenced resources.

In late 2004, Richard Cameron, the creator of CiteULike, drew attention to the need for a standard way of embedding metadata in HTML pages.[3] In January 2005 Daniel Chudnov suggested the use of OpenURL.[4] Embedding OpenURL ContextObjects in HTML had been proposed before by Herbert Van de Sompel and Oren Beit-Arie[5] and a working paper by Chudnov and Jeremy Frumkin.[6] Discussion of the latter on the GPS-PCS mailing list[7] resulted in a draft specification for embedding OpenURLs in HTML,[8] which later became COinS. A ContextObject is embedded in an HTML span element.

The adoption of COinS was pushed by various publications and implementations. The specification can now be found at OCOinS.info, which includes specific guides to implement COinS for journal articles and books.[9]

Summary of the data model

From OpenURL 1.0 COinS borrows one of its serialization formats ("KEV") and some ContextObject metadata formats included in OpenURL implementation guidelines.[10] The ContextObject implementation guidelines of COinS include four publication types (article with several subtypes, book, patent, and generic) and a couple of simple fields. However the guidelines are not required part of COinS, so the standard does not provide a strict metadata model like Dublin Core or the Bibliographic Ontology.

Use in web sites

The following web sites make use of COinS:

Server-side applications

Several server-side applications embed COinS:

Client tools

Client tools which can make use of COinS include:

See also

References
  1. Chudnov, Daniel (14 July 2006). "COinS for the Link Trail". Library Journal: 8–10. Archived from the original on 22 October 2006.
  2. ANSI/NISO Z39.88-2004(R2010) – The OpenURL Framework for Context-Sensitive Services. NISO.org. 2004. ISBN 978-1-880124-61-1. Archived from the original on 2 October 2013. Retrieved 15 December 2013.
  3. "Autodiscovery and embedding metadata". gcs-pcs-list. 20 December 2004. Archived from the original on 23 July 2011. Retrieved 20 March 2011.
  4. "sample inline openurl". gcs-pcs-list. 6 January 2005. Archived from the original on 23 July 2011. Retrieved 20 March 2011.
  5. Van de Sompel, Herbert; Beit-Arie, Oren (July–August 2001). "Generalizing the OpenURL Framework beyond References to Scholarly Works – The Bison-Futé Model". D-Lib Magazine. 7 (7/8). doi:10.1045/july2001-vandesompel. ISSN 1082-9873.
  6. Daniel Chudnov and Jeremy Frumkin (10 December 2004). "Service Autodiscovery for Rapid Information Movement". Archived from the original on 15 December 2004.
  7. "GCS-PCS mailing list". Groups.google.com. Retrieved 7 June 2010.
  8. Hellman, Eric (ed.). "Latent OpenURLs in HTML for Resource Autodiscovery, Localization and Personalization" (draft). OCOinS.info. Archived from the original on 18 January 2017. Retrieved 20 March 2011.
  9. "OpenURL COinS: A Convention to Embed Bibliographic Metadata in HTML". ocoins.info. Archived from the original on 13 September 2014. Retrieved 24 September 2014.
  10. Apps, Ann (16 April 2003). "Z39.88-2004 KEV Implementation Guidelines". MIMAS, The University of Manchester, UK. Retrieved 20 March 2011.
  11. Reichelt, Jan (5 August 2009). "Mendeley Web now supports COinS". Retrieved 14 December 2013.
  12. "Wikipedia:COinS". Wikipedia. 17 December 2019.
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