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  1. Proceedings of the ACM 11th international workshop on Data warehousing and OLAP (DOLAP '08)
  2. Semantic enrichment of strategic datacubes
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Histogram-aware sorting for enhanced word-aligned compression in bitmap indexes
A set of aggregation functions for spatial measures
Estimating and bounding aggregations in databases with referential integrity errors
A framework for recommending OLAP queries
Data mining-based fragmentation of XML data warehouses
Improving estimation accuracy of aggregate queries on data cubes
Solving summarizability problems in fact-dimension relationships for multidimensional models
Semantic enrichment of strategic datacubes
Transaction reordering with application to synchronized scans
Efficient OLAP with UDFs
Natural language reporting for ETL processes
Bridging the semantic gap in OLAP models: platform-independent queries

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Semantic enrichment of strategic datacubes

Content Provider ACM Digital Library
Author Potena, Domenico Diamantini, Claudia
Abstract In the information system view, the reference architecture for strategic and decision support is based on the Data Warehouse architecture, that enables flexible and multidimensional analysis of strategic indexes by means of OLAP tools and reports. In this paper we propose a novel model for semantic annotation of Data Warehouse schema that takes into account domain ontologies as well as a mathematical ontology. Such an ontology describes mathematical formulas underlying elements of the datacube schema, including the semantics of operands and operators. In particular, we discuss and apply the proposed model for the semantic annotation of the schema of a datacube, that is the basis for OLAP analysis and contains information derived from Data Warehouse schema. In the paper, an illustrative case study together with some examples of analysis based on this kind of annotation are provided.
Starting Page 81
Ending Page 88
Page Count 8
File Format PDF
ISBN 9781605582504
DOI 10.1145/1458432.1458447
Language English
Publisher Association for Computing Machinery (ACM)
Publisher Date 2008-10-30
Publisher Place New York
Access Restriction Subscribed
Subject Keyword Mathematical ontology Datacube Semantic annotation Strategic index Data warehouse
Content Type Text
Resource Type Article
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