The LODLAM Landscape

Shana L. McDanoldUnit Head, Metadata Services

Why LODLAM?

• Libraries are trusted repositories• Libraries have rich and deep data• Linked Data makes resources more

discoverable and accessible

Terms and Definitions

• (Semantic) Web• Linked Data

(Semantic) Web

• W3C• URI• HTTP• XML/HTML• Microdata• JSON• RDF

• Turtle• SPARQL• SKOS• OWL• FOAF• Schema.org

(Semantic) Web: LODLAM subset

• BIBFRAME• Blacklight• Solr• Fedora Commons• Hydra (Project Hydra)• ORCID• VIVO

Linked Data

• Web of data– Structured data– Machine actionable

• Triples– relationships

• Identifier/URI– Dereferencable– Controlled vocabularies/ontologies and/or Identities

• Strings vs things

Triples and Quads

• Triple

• Quad

SUBJECT OBJECTPREDICATE

CONTEXT

Linked Open Data

Linked Open Data Cloud

BIBFRAME

“BIBFRAME Initiative is the foundation for the future of bibliographic description that happens

on the web and in the networked world. It is designed to integrate with and engage in the

wider information community and still serve the very specific needs of libraries.”

BIBFRAME

• Differentiates between conceptual content and its physical or digital representation(s) (object(s))

• Vocabularies– 1.0 (2012)– 2.0 (2016) – replaces 1.0

• Classes (entities), properties, and relationships

BIBFRAME 2.0 Model

All the Linked Data Activity!

• LODLAM• BIBFRAME• BIBFRAME Lite• LD4PE• LD4L• LD4L Labs

• LD4P• BIBFLOW• LibHub from Zepheira• CLDI• LC Linked Data Service• OCLC