This book constitutes the thoroughly refereed post-proceedings of three workshops and an industrial track held in conjunction with the 11th Pacific-Asia Conference on Knowledge Discovery and Data Mining, PAKDD 2007, held in Nanjing, China in May 2007.

The 62 revised full papers presented together with an overview article to each workshop were carefully reviewed and selected from 355 submissions. The volume contains papers of the PAKDD 2007 industrial track, that promotes industry applications of new data mining techniques, methodologies and systems, the workshop on Data Mining for Biomedical Applications (BioDM 2007), the workshop on High Performance Data Mining and Applications (HPDMA 2007), as well as the workshop on on Service, Security and its Data management for Ubiquitous Computing (SSDU 2007).