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    AMW
    2009
    164views Knowledge Management» more  AMW 2009»
    Bi-Level Mapping: Combining Schema and Data Level Heterogeneity in Peer Data Sharing Systems
    13 years 6 months ago
    Bi-Level Mapping: Combining Schema and Data Level Heterogeneity in Peer Data Sharing Systems
    Download  sunsite.informatik.rwth-aachen.de
    Abstract. Peer data sharing systems use either schema-level or data-level mappings to resolve schema as well as data heterogeneity among data sources (peers). Schema-level mappings...
    Md. Anisur Rahman, Mehedi Masud, Iluju Kiringa, Ab...
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    AMW
    2009
    181views Knowledge Management» more  AMW 2009»
    Consistent Query Answering in Data Warehouses
    13 years 6 months ago
    Consistent Query Answering in Data Warehouses
    Download  people.scs.carleton.ca
    Abstract. A Data Warehouse (DW) is a data repository that organizes and physically integrates data from multiple sources under special kinds of schemas. A DW is composed by a set o...
    Leopoldo E. Bertossi, Loreto Bravo, Mónica ...
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    AMW
    2009
    151views Knowledge Management» more  AMW 2009»
    Temporal Support in Sequential Pattern Mining
    13 years 6 months ago
    Temporal Support in Sequential Pattern Mining
    Download  sunsite.informatik.rwth-aachen.de
    In sequential pattern discovery, the support of a sequence is computed as the number of data-sequences satisfying a pattern with respect to the total number of data-sequences in th...
    Leticia I. Gómez, Bart Kuijpers, Alejandro ...
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    AMW
    2010
    180views Knowledge Management» more  AMW 2010»
    Logic Programs for Repairing Inconsistent Dimensions in Data Warehouses
    13 years 6 months ago
    Logic Programs for Repairing Inconsistent Dimensions in Data Warehouses
    Download  sunsite.informatik.rwth-aachen.de
    A Data Warehouse (DW) is a data repository that integrates data from multiple sources and organizes the data according to a set of data structures called dimensions. Each dimension...
    Loreto Bravo, Mónica Caniupán Marile...
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    AMW
    2010
    182views Knowledge Management» more  AMW 2010»
    Certification and Authentication of Data Structures
    13 years 6 months ago
    Certification and Authentication of Data Structures
    Download  www.cs.brown.edu
    We study query authentication schemes, algorithmic and cryptographic constructions that provide efficient and secure protocols for verifying the results of queries over structured...
    Roberto Tamassia, Nikos Triandopoulos
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