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    DMDW
    2000
    118views Management» more  DMDW 2000»
    View security as the basis for data warehouse security
    13 years 6 months ago
    View security as the basis for data warehouse security
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    Access. permissions in a data warehouse are currently managed in a separate world from the sources' policies. The consequences are inconsistencies, slow response to change, a...
    Arnon Rosenthal, Edward Sciore
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    DMDW
    2000
    121views Management» more  DMDW 2000»
    From enterprise models to dimensional models: a methodology for data warehouse and data mart design
    13 years 6 months ago
    From enterprise models to dimensional models: a methodology for data warehouse and data mart design
    Download  SunSITE.Informatik.RWTH-Aachen.DE
    This paper describes a method for developing dimensional models from traditional Entity Relationship models. This can be used to design data warehouses and data marts based on ent...
    Daniel L. Moody, Mark A. R. Kortink
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    DMDW
    2000
    97views Management» more  DMDW 2000»
    Processing relational OLAP queries with UB-Trees and multidimensional hierarchical clustering
    13 years 6 months ago
    Processing relational OLAP queries with UB-Trees and multidimensional hierarchical clustering
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    Volker Markl, Rudolf Bayer
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    DMDW
    2000
    116views Management» more  DMDW 2000»
    Divide and aggregate: caching multidimensional objects
    13 years 6 months ago
    Divide and aggregate: caching multidimensional objects
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    A common optimization technique in the OLAP application domain is the use of summary aggregate data. For an appropriate support of analysis hot spots, we propose a query based agg...
    Wolfgang Lehner, Jens Albrecht, Wolfgang Hümm...
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    DMDW
    2000
    151views Management» more  DMDW 2000»
    Automated dimensionality reduction of data warehouses
    13 years 6 months ago
    Automated dimensionality reduction of data warehouses
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    A data warehouse is designed to consolidate and maintain all attributes that are relevant for the analysis processes. Due to the rapid increase in the size of the modern operation...
    Mark Last, Oded Maimon
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    DMDW
    2000
    101views Management» more  DMDW 2000»
    Metadata for object-relational data warehouse
    13 years 6 months ago
    Metadata for object-relational data warehouse
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    For developing data warehouse (DW) and OnLine Analytical Processing (OLAP) systems, the dominant relational database reaches its limitations. On the way of the development, object...
    Thanh N. Huynh, Oscar Mangisengi, A. Min Tjoa
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    DMDW
    2000
    161views Management» more  DMDW 2000»
    View materialization for nested GPSJ queries
    13 years 6 months ago
    View materialization for nested GPSJ queries
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    View materialization is a central issue in logical design of data warehouses since it is one of the most powerful techniques to improve the response to the workload. Most approach...
    Matteo Golfarelli, Stefano Rizzi
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    DMDW
    2000
    136views Management» more  DMDW 2000»
    Gulliver in the land of data warehousing: practical experiences and observations of a researcher
    13 years 6 months ago
    Gulliver in the land of data warehousing: practical experiences and observations of a researcher
    Download  SunSITE.Informatik.RWTH-Aachen.DE
    The gap between researchers and practitioners is widely discussed in the IT community. The purpose of this paper is towards showing the issues which occupy both research and pract...
    Panos Vassiliadis
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    DMDW
    2000
    93views Management» more  DMDW 2000»
    Storing auxiliary data for efficient maintenance and lineage tracing of complex views
    13 years 6 months ago
    Storing auxiliary data for efficient maintenance and lineage tracing of complex views
    Download  ilpubs.stanford.edu
    As views in a data warehouse become more complex, the view maintenance process can become very complicated and potentially very inefficient. Storing auxiliary views in the warehou...
    Yingwei Cui, Jennifer Widom
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    DMDW
    2000
    173views Management» more  DMDW 2000»
    A quality-based framework for physical data warehouse design
    13 years 6 months ago
    A quality-based framework for physical data warehouse design
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    Data warehousing is a software infrastructure which supports OLAP applications by providing a collection of tools which allow data extraction and cleaning, data integration and ag...
    Mokrane Bouzeghoub, Zoubida Kedad
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