Nanopub Query

Nanopub Query is the second-generation query service for nanopublications.

Available Instances

You can check out Nanopub Query at these instances:

• https://query.knowledgepixels.com/
• https://query.nanodash.net/
• https://query.petapico.org/

The current status of the live instances is shown at https://monitor.knowledgepixels.com/.

Documentation

See the JavaDocs for the API and source code documentation.

Repos and Triples

Each nanopublications is loaded into different repos in the form of RDF4J triple stores. There are these general repos:

• meta: Stores some specific “admin-graph metadata” of the nanopublications (see below), but not the nanopublications themselves
• full: Stores all nanopublications in full and their admin-graph metadata (this is not scalable on the long term, so will be deprecated in the medium-term future)
• last30d: Stores all nanopublications of the last 30 days and their admin-graph metadata
• text: Stores all nanopublications for full-text search
• admin: Stores some further admin info, such as the full pubkeys for their hash…