This book constitutes the refereed proceedings of the 10th Pacific-Asia Conference on Knowledge Discovery and Data Mining, PAKDD 2006, held in Singapore in April 2006.

The 67 revised full papers and 33 revised short papers presented together with 3 invited talks or extended abstracts thereof were carefully reviewed and selected from 501 submissions. The papers are organized in topical sections on classification, ensemble learning, clustering, support vector machines, text and document mining, web mining, graph and network mining, association rule mining, bio-data mining, outlier and intrusion detection, privacy, relational database, multimedia mining, stream data mining, temporal data mining, novel algorithms, and innovative applications.