Titlebook: Database and XML Technologies; 5th International XM Denilson Barbosa,Angela Bonifati,Rainer Unland Conference proceedings 2007 Springer-Ver

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XML Schema Evolution: Incremental Validation and Efficient Document Adaptationbe valid for the original schema, for an updated schema. Then, we enhance the approach to adapt the documents to the new schema. Experiments prove that our approach increases the performance of standard validation algorithms in this setting and that the cost of the adaptation process is limited.

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SXDGL: Snapshot Based Concurrency Control Protocol for XML Dataen read-only and update transactions. Moreover, SXDGL takes into account the hierarchical structure and semantics of XML data model determining conflicts between concurrent XML-operations of update transactions. The conducted evaluation shows significant benefits of SXDGL for processing concurrent transactions in data-intensive XML-applications.

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Coping with Selfishness in Congestion Gamesc properties of the model itself. We present such an approach, based on Shannon’s information theory, and show how it applies to relational normal forms as well as to XML design, for both native and relational storage.

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Santiago Fernández de Córdoba,David Vanzettid being .. Then we concentrate on the satisfiability problem of XPath queries under such DTDs. We obtain a number of XPath fragments for which the complexity of the satisfiablity problem reduces to PTIME when such real-world DTDs are used.

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Santiago Fernández de Córdoba,David Vanzettired our technique to a timestamped XML solution and a set of Web services has been developed. The easy management of multiple versioning, the large number of queries in different XML standard query languages and its implementation by using only XML technology, are some of the advantages of the proposed technique.

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Robust Design of Networks Under Risksh, schema matching has impact on numerous applications. It impacts business, where company data sources continuously realign due to changing markets. It also impacts life sciences, where scientific workflows cross system boundaries more often than not.

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