Semantic Publishing and Referencing Ontologies
Suite of OWL 2 ontologies for scholarly publishing — citations, references, document structure, roles.
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Where this one tends to earn its keep.
OpenCitations initiative infrastructure
Scholarly knowledge graph construction
Publishing workflow automation
Bibliometric analysis systems
I haven't checked this label against the actual licence text — it's the catalogue's original guess. Check the ontology's own site before you rely on it.
Others worth a look in Web Standards.