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Feature:AllNamedGraphs
From SPARQL Working Group
Contents
Feature: All Named Graphs
See: Composite Datasets
Feature description
The motivation of this feature is the same as with Composite Datasets but this just covers the base case alone.
Example
PREFIX trial: <tag:info@example.com,2008#Cohorts> SELECT ... FROM * WHERE { ... basic graph pattern .... # The pattern above ranges over the default graph which is the RDF merge # of *all* named graphs in the dataset }
Existing Implementation(s)
See: Composite Datasets
Existing Specification / Documentation
Compatibility
This feature is fully backwards compatible
Links to postponed Issues
Related Features
The Parameterized Inference feature mentions the need for this capability for answering queries such as:
SELECT NAMES OF ALL PEOPLE I KNOW OR NAMES OF PEOPLE KNOWN BY THESE PEOPLE
Champions
Chimezie Ogbuji Cleveland Clinic Foundation
Use cases
See: Composite Datasets