Ontology's key strength is that it allows for discovery. Yes it's a form of curation, with all the bias that implies. Sometimes I want a domain expert to curate

Ontology's key strength is that it allows for discovery. Yes it's a form of curation, with all the bias that implies. Sometimes I want a domain expert to curate hierarchical lists for me to explore. Both Ontology and Tagging have their place. The net is vast and infinite, sometimes it's nice to have a map.