1. Exposing Library Holdings (meta)Data in RDF Using schema.org Semantics Myung-Ja (MJ) Han Timothy W. Cole Patricia Lampron Maria Janina Sarol

2. Why Holdings Data? Libraries share the same bibliographic data with other libraries Holdings and item data help users to locate and access information resources Holdings and item data can be used for faceted browse options Unique data that each library can provide to the web! 2

3. Types of Holdings 3

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5. schema:hasPart a schema:PublicationVolume ; schema:volumeNumber "1972" ; schema:offers [ a schema:Offer ; schema:seller ; schema:availableAtOrFrom [ a schema:Place ; schema:name "Oak Street Facility [request only]" ] ; schema:itemOffered [ a schema:SomeProducts ; schema:inventoryLevel [ a schema:QuantitativeValue ; schema:value "2"]; schema:offers [ a schema:Offer ; schema:itemOffered [ a schema:IndividualProduct ; schema:sku "324.23 Un3m" ; schema:serialNumber "30112071980053" ; schema:name "Copy Number: 1" ] ], [ a schema:Offer ; schema:itemOffered [ a schema:IndividualProduct ; schema:sku "324.23 Un3m" ; schema:serialNumber "30112063348632" ; schema:name "Copy Number: 2" ] ] ]. Complex Holdings Data schema:hasPart [ a schema:PublicationVolume ; schema:volumeNumber "1972" ; schema:hasPart [ a schema:PublicationVolume ; schema:volumeNumber "1972" ; schema:offers [ a schema:Offer ; schema:itemOffered [ a schema:IndividualProduct ; schema:sku "324.23 Un3m" ; schema:serialNumber "30112071980053" ; schema:name "Copy Number: 1" ] schema:offers [ a schema:Offer ; schema:itemOffered [ a schema:IndividualProduct ; schema:sku "324.23 Un3m" ; schema:serialNumber "30112071980053" ; schema:name "Copy Number: 1" ] schema:seller ; schema:availableAtOrFrom [ a schema:Place ; schema:name "Oak Street Facility [request only]" ] ; schema:seller ; schema:availableAtOrFrom [ a schema:Place ; schema:name "Oak Street Facility [request only]" ] ; schema:itemOffered [ a schema:SomeProducts ; schema:inventoryLevel [ a schema:QuantitativeValue ; schema:value "2"]; schema:itemOffered [ a schema:SomeProducts ; schema:inventoryLevel [ a schema:QuantitativeValue ; schema:value "2"]; 5

6. Library Practices/Discussions Library holdings data is based on copy level Cataloging convention for holdings and item data is not consistent Holdings and item data for electronic resources rely heavily on vendors and publishers Do we know how our users use holdings and item data? 6

7. Holdings and item specific information Schema.org/BibExtend Community Group Recommendation UIUC Approaches Libraryseller Shelving LocationavailableAtOrFromavailableAtOrFrom/Place/name Call numberskuitemOffered/IndividualProduct/sku Item barcodeserialNumber itemOffered/IndividualProduct/ serialNumber Copy numberNot mappeditemOffered/IndividualProduct/name Borrowing termsbusinessFunctionNot mapped Item statusavailabilityNot mapped Online HoldingsNot mappeditemOffered/IndividualProduct /url 7