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ISBN: 978-972-8939-25-0 © 2010 IADISpossible to make the use of the tagging/folksonomy technique more effective and more productive if weconsider the three pivots simultaneously.During the development of our research, we understood folksonomy as a technique that has a lot tocontribute to the information organization on the Web and to social and behavioral studies about users. Thereis still a lack of analyses and results about the behavior of folksonomy-based systems and about socialsoftware in general. There are no defined metrics allowing us to affirm whether a social software (especiallythe folksonomy-based ones) will obtain success and reach their objective. We are normally induced to such aconclusion based on the number of users and on the volume of information produced in such systems, but wecannot say that this is enough. Moreover, there is also a lack of basis for the designers to understand and toknow how to design social software. The complexity of this activity is high due to the users’ heterogeneity,and current methods do not support this task efficiently.As future researches, we see as a challenge the development of approaches and resources forrecommending tags, users and objects. In addition, the development of new schemes of interaction and datavisualization is key for involving and encouraging the users’ participation, besides allowing them to be moreproductive in front the information overload on the WebACKNOWLEDGEMENTThe authors would like to express their gratitude to FAPESP (#2009/11888-7), Proesp/CAPES and IC-UNICAMP for partially supporting this research, and to colleagues from InterHad and GSII.REFERENCESda Silva, J.V. and da Silva, S.R.P., 2008. Gerenciamento do Vocabulário das Tags dos Usuários de Sistemas Baseadosem Folksonomia. Proc. of the Workshop de Teses e Dissertações – Webmedia'08, Vitória, ES, Brazil, pp. 201-204.da Silva, S.R.P. and Pereira, R., 2008. Aspectos da Interação Humano-Computador na Web Social. Proc. of the VIIISimpósio Brasileiro de Fatores Humanos em Sistemas Computacionais. Porto Alegre, RS, Brazil, pp. 350-351.Freyne, J. et al., 2007. Collecting Community Wisdom: Integrating Social Search & Social Navigation”. Proc. of theInternational Conference on Intelligent User Interfaces. Honolulu, Hawaii, USA, pp. 52-61.Halpin, H., Robu, V. & Sheperd, Hana. The Complex Dynamics of Collaborative Tagging. WWW2007. Alberta.IW3C2-ACM. 2007.Himma, K. E., 2007. The Concept of Information Overload: A Preliminary Step in Understanding the Nature of aHarmful Information-Related Condition. In Ethics and Information Technology, pp. 259-272.Levy, D. M., 2008. To Grow in Wisdom: Vannevar Bush, Information Overload, and the Life of Leisure. Proc. of theJCDL’05, Denver, CO, USA, pp. 281-286.Mathes, A., 2005. Folksonomies - Cooperative Classification and Communication through Shared Metadata. TechnicalReport available on http://blog.namics.com/archives/2005/ Folksonomies_Cooperative_Classification.pdf, 2005.Ohmukai, I., Hamasaki, M. and Takeda, H., 2005. A Proposal of Community-based Folksonomy with RDF Metadata.Proc. of the Workshop on End User Semantic Web Interaction, Galway, Ireland.Pereira, R. and da Silva, S.R.P., 2008a. The Use of Cognitive Authority for Information Retrieval in Folksonomy-BasedSystems. Proc. of the International Conference of Web Engineering (ICWE08), New York, USA, pp. 327-331..Riddle, P., 2005. Tags: What are They Good For? School of Information Technical Report available onhttp://www.ischool.utexas.edu/~i385q/archive/riddle_p/riddle-2005-tags.pdf, 2005.Russell, T., 2005. Contextual Authority Tagging: Cognitive Authority Through Folksonomy. Technical Report availableon http://www.terrellrussell.com/projects/ contextualauthority tagging/conauthtag200505.pdf, 2005.Smith, G., 2008. Tagging: People-Powered Metadata for the Social Web. New Riders, Berkeley.Sturtz, D. N., 2004. Communal Categorization: The Folksonomy. Proc. INFO622: Content Representation, 1-8, 2004.Wilson, P., 1983. Second-hand Knowledge: An Inquiry into Cognitive Authority, Greenwood Press, 1983.Wu, Harris. Harvesting Social Knowledge from Folksonomies. 17th conference on Hypertext and Hypermedia. 2006.150