Thank you! Apologies for my ignorance. It works :-). For the "-c" option, however, I get countless lines of: Code: libqtcontacts-tracker: engine.cpp:1591: Not cleaning up obsolete resources for nao:hasTag property since the property's range is too generic (rdfs:Resource). What does it actually mean?
libqtcontacts-tracker: engine.cpp:1591: Not cleaning up obsolete resources for nao:hasTag property since the property's range is too generic (rdfs:Resource).