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    SIGMOD
    2004
    ACM
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    Constraint-Based XML Query Rewriting For Data Integration
    14 years 4 months ago
    Constraint-Based XML Query Rewriting For Data Integration
    Download  www.eecs.umich.edu
    We study the problem of answering queries through a target schema, given a set of mappings between one or more source schemas and this target schema, and given that the data is at...
    Cong Yu, Lucian Popa
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