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OPAL data selection component
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README.md

OPAL Slicer

The OPAL data selection component uses patterns in SPARQL format to extract subsets of knowledge graphs.

Usage example

To extract all dataset statements, use the Slicer class and the following parameters:

-source input.ttl
-patterns "Select * where {?d a <http://www.w3.org/ns/dcat#Dataset>}"
-out datasets.ttl

Notes

Credits

Data Science Group (DICE) at Paderborn University

This work has been supported by the German Federal Ministry of Transport and Digital Infrastructure (BMVI) in the project Open Data Portal Germany (OPAL) (funding code 19F2028A).

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