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Ex Libris Knowledge Center


How do we contact you for more information? 
How can we get our content in Primo, Summon, CDI?
  • The Central Discovery Index (CDI) powers Primo and Summon.
  • To learn more how to supply content for CDI, please see Partner With Us
Which formats of the title lists are supported for ingestion in your knowledgebases?
  • Ex Libris prefers that data submitted to the KB meet the KBART Recommended Practice guidelines. KBART recommends tab-delimited, UTF-8 encoded text (.txt) files
  • Ex Libris can also accept Excel (.xls/.xlsx), CSV
  • MARC records (for books only)
  • Some types of XML data (depending on schema used and data elements available)
  • For more information on knowledgebase technical specifications, please see Ex Libris Knowledgebases: Content Submission Guide
  • To learn more how to supply content for the knowledgebases, please see Partner With Us
What is KBART?
  • KBART (“Knowledgebases and Related Tools”) is a NISO Recommended Practice that facilitates the transfer of holdings metadata from content providers to knowledgebase suppliers and libraries. Knowledge bases are widely used to support library link resolvers and electronic resource management systems. 
  • For more information on the current KBART standard and a template KBART file, please see
Which formats of the metadata feeds are supported in the Central Discovery Index (powering our Summon and Primo discovery tools)?
  • XML (including XML in Dublin Core/XML with NLM DTD/XML with ONIX DTD/XML with custom DTD/Custom XML without DTD)
  • Delimited Text Format (Tab Delimited or CSV)
  • ONIX for book/chapter-level metadata
  • JSON
  • Excel spreadsheets
  • For more information on how CDI technical specifications, please see Ex Libris Central Discovery Index (CDI) Content Submission Guide
Why is my content being removed from your products?
  • If we are unable to reach you to get new title lists for the knowledgebases or for the CDI feed and the links are broken, we generally opt to remove the content so there is no longer a poor client experience. We are very happy to be in touch with you to reload or refresh the content once new title lists or feeds with operational URLs are ready.
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