Database and XMLTechnologies: 5th International XML Database by Leonid Libkin (auth.), Denilson Barbosa, Angela Bonifati,

By Leonid Libkin (auth.), Denilson Barbosa, Angela Bonifati, Zohra Bellahsène, Ela Hunt, Rainer Unland (eds.)

Since its first variation in 2003, the XML Database Symposium sequence (XSym) has been a discussion board for teachers, practitioners, clients and owners to debate using and synergy among databases and XML. the former symposia have supplied possibilities for well timed discussions on a vast diversity of issues relating the idea and perform of XML info administration and its functions. XSym 2007 keeps this practice with a application such as 3 learn periods, keynote talks and a panel. We acquired 28 complete paper submissions, out of which eight have been approved for ebook in those court cases. every one submitted paper underwent a rigorous and cautious overview via not less than four self sufficient referees. The contributions in those complaints are a superb pattern of the superior present study in XPath and XQuery processing, XML Updates, Temporal XML and Constraints. This quantity additionally includes invited brief papers by way of the XSym 2007 keynote audio system: Leonid Libkin (University of Edinburgh, united kingdom) contributed an intensive dialogue of Normalization concept for XML, whereas Erhard Rahm (University of Leipzig, Germany) contributed an attractive evaluate of the paintings on Dynamic Fusion of net facts performed at his - seek workforce. This yr, XSym will most sensible its application off by means of an exhilarating panel with the name “The new release Y of XML Schema Matching”. It used to be proposed and is equipped by means of Avigdor Gal from Technion – Israel Institute of Techn- ogy.

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Additional info for Database and XMLTechnologies: 5th International XML Database Symposium, XSym 2007, Vienna, Austria, September 23-24, 2007. Proceedings

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Satisfiability of XPath expressions. In: Proc. 9th Int. Workshop on Database Programming Languages (September 2003) 9. : On testing satisfiability of tree pattern queries. In: Proc. 30th Int. Conf. on Very Large Data Bases, pp. 120–131 (2004) 10. : Containment and equivalence for a fragment of XPath. J. ACM 51(1), 2–45 (2004) 11. : On the complexity of XPath containment in the presence of disjunction, DTDs, and variables. Logical Methods in Computer Science 2(3) (2006) 12. : Efficient algorithms for minimizing tree pattern queries.

134–144 (2003) 24. : Indexing XML data with ToXin. In: WebDB, pp. de Abstract. To globally optimize execution plans for XQuery expressions, a plan generator must generate and compare plan alternatives. In proven compiler architectures, the unit of plan generation is the query block. Fewer query blocks mean a larger search space for the plan generator and lead to a generally higher quality of the execution plans. The goal of this paper is to provide a toolkit for developers of XQuery evaluators to transform XQuery expressions into expressions with as few query blocks as possible.

In: Proc. Fourth Int. Workshop on the Web and Databases, pp. 13–18 (2001) 14. : Containment for XPath fragments under DTD constraints. In: Proc. 9th Int. Conf. on Database Theory, pp. 300–314 (2003) Fast Answering of XPath Query Workloads on Web Collections Mariano P. edu Abstract. Several web applications (such as processing RSS feeds or web service messages) rely on XPath-based data manipulation tools. Web developers need to use XPath queries effectively on increasingly larger web collections containing hundreds of thousands of XML documents.

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