As folksonomias entre os conceitos e os pontos de acesso: as fun？？es de descritores, cita？？es e marcadores nos sistemas de recupera？？o da informa？？o

the paper discusses the potentialities of folksonomies through the proposition and analysis of concept representation schemas that constitute the different resources of subject indexing. the development of specialized information sources is approached, and, the technical basis for natural and documental languages are reviewed. it deals with retrieval systems that make use of collaboration networks inherent to the information production and use; this is done to illustrate the functioning of this kind of resources when citation indexes and social bookmarking tools are analyzed. finally, it makes a necessary distinction between the role of the folksonomies as instruments of conceptual representation and access points.