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  • Image Open Access: Implementing IIIF in CONTENTdm

    • Carly Bogen
    • 23 January 2017

    The latest release of CONTENTdm introduced support for the International Image Interoperability Framework (IIIF) Image API version 2.1.

  • Homegrown Reclamation with WorldCat Metadata API

    • Karen Coombs
    • 22 January 2015

    Check out Sarah Johnston's article in code4lib journal on using WorldCat Metadata API to do a reclamation project.

  • WorldCat Registry RDF Interface Write Operations to be Decommissioned

    • Shelley Hostetler
    • 15 December 2014

    The WorldCat Registry RDF interface write operations will be decommissioned in January.  Developers will continue to have read only access to the...

  • Systems Maintenance on Dec 13

    • Shelley Hostetler
    • 12 December 2014

    Web services that require user level authentication will be down for systems maintenance to the Identity Management system (IDM) for 30 minutes beginning at 3am on Dec 13th. This down time will affect OCLC’s worldwide data centers as follows:

  • All Services Unavailable 3 January 2015 for Technology Upgrade

    • Shelley Hostetler
    • 09 December 2014

    On Saturday, 3 January 2015, OCLC has scheduled a technology upgrade to support system performance and reliability. During this upgrade, all OCLC services will be unavailable on 3 January 2015, from 12:01 am to 3:00 pm, U.S. Eastern Standard Time (ap...

  • Learning Linked Data: SPARQL

    • Karen Coombs
    • 20 November 2014

    One thing you realize pretty quickly is that it is very hard to work with Linked Data and just confine one’s explorations to a single site or data set. The links inevitably lead you on a pilgrimage from one data set to another and another. In the cas...

  • WMS Web Services Install November 23

    • Shelley Hostetler
    • 18 November 2014

    The new date for the November WMS Web services install is this Sunday, November 23rd. This install will include changes to two of our WMS APIs.

  • Learning Linked Data: Some Handy Tools

    • Karen Coombs
    • 10 November 2014

    I’ve been working with Linked Data off and on for a while now but really the last year has been my deepest dive into it. Much of that dive involved writing a PHP library to interact with the

  • November Release Update

    • Shelley Hostetler
    • 10 November 2014

    Deployment of the latest software release was unsuccessful.  We have restored the software to its current release. We will let you know when another installation date is established.

  • ETag Change in WMS Acquisitions API

    • Shelley Hostetler
    • 07 November 2014


    We wanted to provide you with some more information about the ETag change in the WMS Acquisitions API