Library MARC Records into Linked Open Data: Challenges and Opportunities MJ Han Timothy W. Cole William F. Weathers Eric Joyner *This project has received generous support from the Library Research and Publication Committee. 11/19/2013 Library Research Showcase 1 Problem Statement: Library Catalog Records in Closed Boxes • Catalog records are stored in silos • RECORD not DATA • Not easy to share and reuse MARC 11/19/2013 Library Research Showcase 2 Research Question: Make Library Record Into Data and FREE! 11/19/2013 Library Research Showcase 3 Methodology: Transforming MARC to Linked Data Search / Extract Names viaf.org Search / Extract Subjects id.loc.gov Add Matching VIAF links Add Matching LCSH links MODS with VIAF & LCSH links MODS with VIAF links MARCXML Transform to MODS (XSLT, Script) Enrich MODS with LCSH (Script) Transform to RDFa/RDF Future plan Transform MODS to MODS/RDF MODS/RDF 11/19/2013 Library Research Showcase 4 Outcomes: Producer and Consumer of Linked Data viaf.org Query VIAF real-time for more information; display links to user XHTML/RDFa with schema.org semantics MODS with VIAF & LCSH links Transform to XHTML/RDFa (XSLT) RDF Create RDF using RDFa Distiller Additional Services Virtuoso (Triple Store) Query & harvest triples from SPAQL endpoint 11/19/2013 Library Research Showcase 5 Next Steps: Building a Sustainable Workflow As a Producer • Find a best set of linked data ontology that works for Library data • Create a triple store for sharing As a Consumer • Identify best available linked data sources • Use the linked data into discovery service Implement workflow to production! 11/19/2013 Library Research Showcase 6