Abstract
We propose a query-driven method that elicits the information requirements from existing queries on data sources and their usage statistics. Our method presumes that the queries against the source database reflect the analysis needs of users. We use this method to recommend changes to the existing data warehouse schemata. In our method, we take advantage of the schema versioning approach to reflect all changes that occur in the analysed process, and we analyse the activity of users in the source system, rather than changes in physical data structure, to infer the necessary improvements to the data warehouse schema.
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Acknowledgments
This work has been supported by ESF project No. 2009/0216/1DP/1.1.1.2.0/09/APIA/VIAA/044.
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Solodovnikova, D., Niedrite, L., Niedritis, A. (2013). Query-Driven Method for Improvement of Data Warehouse Conceptual Model. In: Linger, H., Fisher, J., Barnden, A., Barry, C., Lang, M., Schneider, C. (eds) Building Sustainable Information Systems. Springer, Boston, MA. https://doi.org/10.1007/978-1-4614-7540-8_41
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DOI: https://doi.org/10.1007/978-1-4614-7540-8_41
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