Ethnoclassification systems can similarly %u201Cemerge.%u201D Once you have a preliminary system in place, you can use the most common tags to develop a controlled vocabulary that truly speaks the users%u2019 language.
J. Väyrynen, and T. Honkela. Proceedings of the STeP'2004 Cognition + Cybernetics Symposium, page 173--185. Finnish Artificial Intelligence Society, (2004)