310 research outputs found

    SMOQE: A System for Providing Secure Access to XML

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    XML views have been widely used to enforce access control, support dataintegration, and speed up query answering. In many applications, e.g., XMLsecurity enforcement, it is prohibitively expensive to materialize and maintaina large number of views. Therefore, views are necessarily virtual. An immediate question then is how to answer queries on XML virtual views. A common approach is to rewrite a query on the view to an equivalent one on the underlying document, and evaluate the rewritten query. This is the approach used in the Secure MOdular Query Engine (SMOQE). The demo presents SMOQE, the first system to provide efficient support for answering queries over virtual and possibly recursively defined XML views. We demonstrate a set of novel techniques for the specification of views, therewriting, evaluation and optimization of XML queries. Moreover, we provideinsights into the internals of the engine by a set of visual tools

    Schema Matching

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    Data Set of PLOS Computational Paper PCOMPBIOL-D-18-02181R1

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    Figures Data of PLOS Computational paper:Modeling of the axon plasma membrane structure and its effects on protein diffusionAuthors: Yihao Zhang, Anastasios V. Tzingounis, and George LykotrafitisCorresponding Author: George Lykotrafitis, Ph.D.University of ConnecticutStorss, CT UNITED STATES</div

    Peer-to-Peer Data Integration

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    Schema Matching

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    Schema Matching

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    The state of modern Greek language as spoken in Victoria

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    Deposited with permission of the author. © 1986 Dr. Anastasios TamisThis thesis reports a sociolinguistic study, carried out between 1981 and 1984, of the state of the Modern Greek (MG) language in Australia, as spoken by native-speaking first-generation Greek immigrants in Victoria. Particular emphasis is given to the analysis of those characteristics of the linguistic behaviour of these Greek Australians which can be attributed to the contact with English and to other environmental, social and linguistic influence. (For complete abstract open document
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