01861naa a2200217 a 450000100080000000500110000800800410001902000220006010000260008224500840010826000090019250000450020152011010024665000210134765300160136865300090138465300250139365300160141870000190143477301900145310080332020-01-16       2008    bl uuuu     u00u1 u    #d  a978-1-60566-197-11 aOLIVEIRA, S. R. de M.  aBusiness collaboration by privacy-preserving clustering.h[electronic resource]  c2008  aNa publicação: Stanley R. M. Oliveira.  aThe sharing of data is beneficial in data mining applications and widely acknowledged as advantageous in business. However, information sharing can become controversial and thwarted by privacy regulations and other privacy concerns. Rather than simply hindering data owners from sharing information for data analysis, a solution could be designed to meet privacy requirements and guarantee valid data clustering results. To achieve this dual goal, this chapter introduces a method for privacy-preserving clustering, called Dimensionality Reduction-Based Transformation (DRBT). This method relies on the intuition behind random projection to protect the underlying attribute values subjected to cluster analysis. It is shown analytically and empirically that transforming a dataset using DRBT, a data owner can achieve privacy preservation and get accurate clustering with little overhead of communication cost. The advantages of such a method are: it is independent of distance-based clustering algorithms; it has a sound mathematical foundation; and it does not require CPU-intensive operations.  aCluster analysis  aData mining  aDRBT  aMineração de dados  aPrivacidade1 aZAÏANE, O. R.  tIn: EYOB, E. Social implications of data mining and information privacy: interdisciplinary frameworks and solucitions. Hershey: Information Science Reference, 2008. chap. 7, p. 113-133.