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The theme of the XML Database Symposium (XSym) is the convergence of database technology with XML technology. Since the first International XML Symposium in 2003, XSym has continued to provide a forum for academics, practitioners, users and vendors to discuss the use of and synergy between advanced XML technologies. XSym 2006 received 32 full paper submissions. Each submitted paper underwent a rigorous review by independent referees. These proceedings represent a collection of eight excellent research papers. Their focus is on building XML repositories and covers the following topics: XML query processing, caching, indexing and navigation support, structural matching, temporal XML, and XML updates. The organizers would like to express their gratitude to the XSym program c- mittee for their efforts in providing very thorough evaluations of the submitted papers under significant time constraints. We also would like to thank Microsoft for their sponsorship and for the use of the Microsoft Conference Management Toolkit, and the local organizers, especially, Kyuseok Shim, for all they did to make XSym a pleasant and successful event. July 2006 Sihem Amer-Yahia Zohra Bellahsene Jeffrey Xu Yu Ela Hunt Rainer Unland
List of contents
Query Evaluation and Temporal XML.- Kappa-Join: Efficient Execution of Existential Quantification in XML Query Languages.- Index vs. Navigation in XPath Evaluation.- Consistency of Temporal XML Documents.- XPath and Twigs.- A Logic-Based Approach to Cache Answerability for XPath Queries.- FLUX: Content and Structure Matching of XPath Queries with Range Predicates.- A Resource Efficient Hybrid Data Structure for Twig Queries.- XML Updates.- On the Expressive Power of XQuery-Based Update Languages.- Efficient Incremental Validation of XML Documents After Composite Updates.
About the author
Günther Pernul hat an der Universität Wien Wirtschaftsinformatik und an der Technischen Universität Wien Informatik studiert. Der Abschluß des Studiengangs Wirtschaftsinformatik erfolgte im Jahre 1985. Von 1986 - 1989 war er wissenschaftlicher Mitarbeiter am Institut für Statistik und Informatik der Universität Wien. Im Jahr 1989 erfolgte seine Promotion zum Doktor der Sozial- und Wirtschaftswissenschaften. In den Jahren 1990 und 1991 war Günther Pernul Gastforscher am Database Systems Research and Development Center der University of Florida, Gainesville und am College of Computing des Georgia Institute of Technology in Atlanta. Von 1991-1995 war er Universitätsassistent am Institut für Angewandte Informatik und Informationssysteme der Universität Wien. Im Jahr 1993 erfolgte dort an der Fakultät für Sozial- und Wirtschaftswissenschaften seine Habilitation für Informatik. Von Oktober 1995 bis September 2002 war er C4-Professor an der Universität Duisburg-Essen. Seit Oktober 2002 hat er den Lehrstuhl für Wirtschaftsinformatik I an der Universität Regensburg inne.
Summary
The theme of the XML Database Symposium (XSym) is the convergence of database technology with XML technology. Since the first International XML Symposium in 2003, XSym has continued to provide a forum for academics, practitioners, users and vendors to discuss the use of and synergy between advanced XML technologies. XSym 2006 received 32 full paper submissions. Each submitted paper underwent a rigorous review by independent referees. These proceedings represent a collection of eight excellent research papers. Their focus is on building XML repositories and covers the following topics: XML query processing, caching, indexing and navigation support, structural matching, temporal XML, and XML updates. The organizers would like to express their gratitude to the XSym program c- mittee for their efforts in providing very thorough evaluations of the submitted papers under significant time constraints. We also would like to thank Microsoft for their sponsorship and for the use of the Microsoft Conference Management Toolkit, and the local organizers, especially, Kyuseok Shim, for all they did to make XSym a pleasant and successful event. July 2006 Sihem Amer-Yahia Zohra Bellahsene Jeffrey Xu Yu Ela Hunt Rainer Unland
