DataHub v1 is the original DataHub catalog of 11,000+ open datasets, now migrated to PortalJS Arc.
Dataset

PeriodO Period Gazetteer

PeriodO is a gazetteer of scholarly definitions of historical, art-historical, and archaeological periods. It eases the task of linking among datasets that define periods differently. It also helps scholars and students see where period definitions overlap or diverge.

Download & API
PeriodO Period Gazetteer JSON-LDapplication/ld+json
This is a collection of period definitions found in academic literature. The data model is documented at [the PeriodO website](http://perio.do/data-model/).
Download
Description of the PeriodO Period Gazetteertext/turtle
VoID description of the PeriodO Period Gazetteer, including statistics on the current number of triples and links to other datasets.
Download
PeriodO Vocabularytext/turtle
PeriodO primarily uses the SKOS, Dublin Core, and OWL-Time vocabularies, but this proprietary vocabulary documents a few additional properties we needed to create.
Download
PeriodO Period Gazetteer Change Historyapplication/ld+json
A log of all changes made to the PeriodO Period Gazetteer, published as JSON-LD using the [PROV Ontology](http://www.w3.org/TR/prov-o/).
Download
Sources & license
License
  • cc-zero