Database and Expert Systems Applications: 17th International - download pdf or read online

By Huanzhang Liu, Tok Wang Ling, Tian Yu, Ji Wu (auth.), Stéphane Bressan, Josef Küng, Roland Wagner (eds.)

ISBN-10: 3540378715

ISBN-13: 9783540378716

The annual overseas convention on Database and professional structures purposes (DEXA) is now good validated as a reference medical occasion. The reader will locate during this quantity a suite of medical papers that characterize the state-of-the-art of study within the area of information, details and data administration, clever structures, and their purposes. The seventeenth example of the sequence of DEXA meetings was once held on the Andrzej Frycz Modrzewski Cracow university in Kraków, Poland, in the course of September 4–8, 2006. a number of collocated meetings and workshops lined really expert and complementary subject matters to the most convention subject. 4 meetings ? the eighth overseas convention on information Warehousing and data Discovery (DaWaK), the seventh overseas convention on digital trade and internet applied sciences (EC-Web), the fifth overseas convention on digital govt (EGOV), and the 3rd overseas convention on belief, privateness, and protection in electronic enterprise (TrustBus) ? and 14 workshops have been collocated with DEXA. the complete types a distinct overseas occasion with a balanced intensity and breadth of subject matters. Its much-appreciated conviviality fosters unequalled possibilities to fulfill, percentage the most recent clinical effects and speak about the newest technological advances within the sector of data applied sciences with either younger scientists and engineers and senior world-renown specialists. This quantity includes the papers chosen for presentation on the convention. each one submitted paper used to be reviewed by way of 3 or 4 reviewers, contributors of this system Committee or exterior reviewers appointed by means of participants of this system Committee.

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Read or Download Database and Expert Systems Applications: 17th International Conference, DEXA 2006, Kraków, Poland, September 4-8, 2006. Proceedings PDF

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Extra info for Database and Expert Systems Applications: 17th International Conference, DEXA 2006, Kraków, Poland, September 4-8, 2006. Proceedings

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T. -J. Schek. Generating Vector Spaces On-the-fly for Flexible XML Retrieval. In Proceedings of the ACM SIGIR Workshop on XML and Information Retrieval, 2002. 11. Daniela Florescu, Donald Kossmann, Ioana Manolescu. Integrating Keyword Search into XML Query Processing. In Proc. of the Intern. WWW Conference, Amsterdam, 2000. 12. A. Zobel. Indexing Documents for Queries on Structure, Content and Attributes. Proc. of International Symposium on Digital Media Information Base (DMIB), Nara, 1997. 13. Jaap Kamps, Maarten de Rijke, Borkur Sigurbjornsson.

To overcome the limitations of existing XML shredding approaches, we propose a new framework for mapping XML to relations. The framework is based on (a) a notion of XML 2 DB mappings that extends (possibly recursive) DTDs and is capable of mapping either part of or an entire document to relations, and (b) a technique for efficiently evaluating XML 2 DB mappings. , [5] for attribute grammars). In a nutshell, given a (possibly recursive) XML DTD D and a predefined relational schema R, one can define an XML 2 DB mapping σ : D → R to select data from an XML document of D, and generates SQL inserts to increment an existing relational database of R.

The mapping extracts relevant data from T and uses the data to construct tuples to be inserted into I. More specifically, σ is specified as follows. • For each relation schema Ri of R, σ defines a relation variable ΔRi , which is to hold the set of tuples to be inserted into an instance Ii of Ri . The set ΔRi is initially empty and is gradually incremented during the parsing of the XML document T . • For each element type A in E, σ defines a semantic attribute $A whose value is either a relational tuple of a fixed arity and type, or a special value (denoting $r at the root r) or ⊥ (denoting undefined); intuitively, $A extracts and holds relevant data from the input XML document that is to be inserted into the relational database I of R.

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Database and Expert Systems Applications: 17th International Conference, DEXA 2006, Kraków, Poland, September 4-8, 2006. Proceedings by Huanzhang Liu, Tok Wang Ling, Tian Yu, Ji Wu (auth.), Stéphane Bressan, Josef Küng, Roland Wagner (eds.)


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