This page is a stub that we will fill in during the remainder of the project. Much of the technical work of LD4L is being done on github in public repositories under https://github.com/ld4l, specific repositories are highlighted below.

Hydra framework

• ActiveTriples - an ActiveModel-like interface for RDF data
• ld4l_virtual_collection - a Rails engine providing a user interface for creating and manipulating virtual collections and items
• open_annotation_rdf - an Open Annotation RDF implementation Gem

Analyses of catalog and related data sources

• in progress

Conversion from MARC to BIBFRAME+LD4L ontology

• We are basing conversions on the Library of Congress marc2bibframe converter
• Utilities for translating MARC21 into linked data

LD4L ontology

• Working drafts of the LD4L ontology