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内容説明 This book constitutes the workshop proceedings of the 14th International Conference on Database Systems for Advanced Applications， DASFAA 2009， held in Brisbane， Australia， in April 2009. The volume contains six workshops， each focusing on specific research issues that contribute to the main themes of the DASFAA conference: The First International Workshop on Benchmarking of XML and Semantic Web Applications (BenchmarkX’09); The Second International Workshop on Managing Data Quality in Collaborative Information Systems (MCIS’09); The 1st International Workshop on Data and Process Provenance (WDPP’09); The First International Workshop on Privacy-Preserving Data Analysis (PPDA’09); The First International Workshop on Mobile Business Collaboration (MBC’09); and the First Ph.D. Workshop.