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A Consideration of Library Holdings in the World Beyond MARC

A Consideration of Library Holdings in the World Beyond MARC



Presented for the ALCTS/CRS Holdings Information Committee, 2014 American Library Association, Midwinter meeting, Philadelphia.

Presented for the ALCTS/CRS Holdings Information Committee, 2014 American Library Association, Midwinter meeting, Philadelphia.



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  • These are library standards, not generally used by publishers. MARC / Z39.17 dichotomy parallel to MARC/AACR2 and RDA Vocabularies/RDA Toolkit
  • List provided by DNB research—not all are of general interest.
  • Further discussion on the DNB website seems to indicate a basis of Z39.71 for the data itself
  • The ONIX for Serials Coverage Statement was strongly influenced by the content and rules found in the MFHD. However, there are several differences.The ONIX coverage structure is a component of the family of ONIX XML messages, so consistency with the existing ONIX structure was a primary concern.The ONIX coverage statement also has a more specific list of functional requirements than MFHD, so a substantial portion of the MFHD functionality was omitted from the ONIX design.Also, because ONIX coverage statements should be machine actionable, the use of freetext fields to express significant data is not permitted, although freetext notes to offer additional clarifications are encouraged.ONIX coverage is most closely analogous to the Enumeration and Chronology fields (863-865) of MFHD.An ONIX coverage statement may be re-expressed in MFHD without loss of information, but not all MFHD statements can be expressed completely within an ONIX coverage statement.Specifically, the ONIX for Serials coverage statement:Does not support publication pattern informationDoesnot support copy-level information for physical pieces, such as barcodes, copy number, or “lost” or “withdrawn” designations.Does not support free text enumeration and chronology statements
  • From schema.org home page

A Consideration of Library Holdings in the World Beyond MARC A Consideration of Library Holdings in the World Beyond MARC Presentation Transcript

  • A Consideration of Library Holdings in the World Beyond MARC ALCTS/CRS Holdings Information Committee, 2014 ALA Midwinter, Philadelphia
  • Why Holdings? • Is there still a need for the functionality the standards were designed for? • How do we balance needs for complexity (detail) with perceived value of simplicity (summary)? • Who’s working on this and what are they doing? • Can we predict the future of holdings?
  • Functionality • Traditional functional needs – Communication between libraries and vendors/publishers about subscriptions, payments and issuances – Communication between libraries about specific availability for access (including ILL) – Management of materials internally (e.g., predictive checkin, remote storage, preservation, etc. – Support for users with specific (and sometimes problematic) citations
  • Holdings Standards in the Analog World • MARC 21 Holdings: http://loc.gov/marc/holdings/echdhome.html • NISO Z39.71 http://www.niso.org/standards/z39-71-2006/ • ISO 10324:1997 (available for purchase from ISO)
  • List of Ongoing Efforts • https://wiki.dnb.de/display/DINIAGKIM/Collec tion+of+Holdings+Ontologies%2C+Vocabularie s%2C+Standards – Compliments of the DNB (German National Library)
  • Ongoing Efforts: DNB • https://wiki.dnb.de/display/DINIAGKIM/Scope +of+Holdings – Work in progress, further information on their wiki
  • Ongoing Efforts: ONIX • ONIX for Serials Coverage Statement - Version 1.0 (Published March 2012) http://www.editeur.org/123/Serials-CoverageStatement/ • Used primarily for messaging between publishers, vendors, and libraries • Based to some extent on MFHD
  • Ongoing Efforts: schema.org • Schema.org “provides a collection of schemas, i.e., html tags, that webmasters can use to markup their pages in ways recognized by major search providers. Search engines including Bing, Google, Yahoo! and Yanex rely on this markup to improve the display of search results, making it easier to find the right web pages.”
  • Current Proposal for Library Holdings in schema.org Proposed property Comment Library = seller Will be treated be schema.org processors as the organization or individual offering the item; the fact that it may be a loan instead of a sale can be handled as part of the Offer. Call #/Shelf # = sku As an inventory identifier and physical locator for a specific organization [sku] is a reasonable match for a call number Barcode = serial number A unique identifier for a single item, serialNumber is a good match for barcodes Shelving location = availableAtOrFrom In practice most sites will likely supply a simple text value like "Stacks" or "Reference" Item status = availability Using terms from schema.org and Good Relations (mostly sale oriented) http://www.w3.org/community/schemabibex/wiki/Holdings_via_Offer
  • Ongoing Efforts: MMA • Work based on MARC 21 Bib format: http://marc21rdf.info – Goal: Enabling use of MARC holdings for mapping or re-use in a different environment – Using cataloger-readable URIs: http://marc21rdf.info/elements/3XX/M300__a
  • Is There One Answer? • Not likely, we’re no longer living in a ‘one-sizefits-all’ world • The functional requirements vary greatly based on needs of particular communities – As digital materials and technology proliferate further, this gap may increase • Holdings approaches change as their ‘parent’ schemas do – Decisions on schema usage generally not made on basis of holdings needs
  • Contact Information Diane Hillmann metadata.maven@gmail.com Gordon Dunsire gordon@gordondunsire.com Jon Phipps jonphipps@gmail.com [Thanks to Richard Wallis for Updated schema.org link] The First MetadataMobile