Install shared-desktop-ontologies by entering the following commands in the terminal:
sudo apt update sudo apt install shared-desktop-ontologies
Description:
shared ontologies for semantic searching
This package provides a set of metadata ontologies in TRIG format for use in semantic searching for the desktop. . It contains the well known core ontologies such as RDF and RDFS as well as the Nepomuk ontologies which are used by projects like KDE and Strigi.
Homepage: http://oscaf.sourceforge.net
Version: 0.11.0-1
Section: universe/misc