Dasfaa Is An Annual International Database Conference, Located In The Asia- Paci?cregion,whichshowcasesstate-of-the-artr & Dactivities In Databases- Tems And Their Applications. It Provides A Forum For Technical Presentations And Discussions Among Database Researchers, Developers And Users From Academia, Business And Industry. Dasfaa 2009, The 14th In The Series, Was Held During April 20-23, 2009 In Brisbane, Australia. In This Year, We Carefully Selected Six Workshops, Each Focusing On Speci?c Research Issues That Contribute To The Main Themes Of The Dasfaa Conference. Thisvolumecontainsthe?nalversionsofpapersacceptedforthesesixworkshops That Were Held In Conjunction With Dasfaa 2009. They Are: โ First International Workshop On Benchmarking Of Xml And Semantic Web Applications (benchmarx 2009) โ Second International Workshop On Managing Data Quality In Collaborative Information Systems (mcis 2009) โ First International Workshop On Data And Process Provenance (wdpp 2009) โ First International Workshop On Privacy-preserving Data Analysis (ppda 2009) โ Firstinternationalworkshoponmobilebusinesscollaboration(mbc2009) โ Dasfaa 2009 Phd Workshop All The Workshops Were Selected Via A Public Call-for-proposals Process. The Workshop Organizers Put A Tremendous Amount Of E?ort Into Soliciting And - Lecting Papers With A Balance Of High Quality, New Ideas And New Applications. We Asked All Workshops To Follow A Rigid Paper Selection Process, Including The Procedure To Ensure That Any Program Committee Members Are Excluded From The Paper Review Process Of Any Paper They Are Involved With. A Requirement About The Overall Paper Acceptance Rate Of No More Than 50% Was Also Imposed On All The Workshops.