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A Systematic Approach to Selecting Maintenance Policies in a Data Warehouse Environment
Högskolan i Skövde, Institutionen för datavetenskap. (Interaction lab)ORCID-id: 0000-0002-9972-4716
Computer Science and Engineering Department, University of Texas at Arlington, USA.
Department of Computer Science, University of Exeter, UK.
2002 (Engelska)Ingår i: Advances in Database Technology - EDBT 2002: 8th International Conference on Extending Database Technology, Prague Czech Republic, March 25-27, 2002, Proceedings / [ed] Christian S Jensen, Keith G Jeffery, Jaroslav Pokorny, Simonas Saltenis, Elisa Bertino, Klemens Böhm, Matthias Jarke, Springer Berlin/Heidelberg, 2002, s. 317-335Konferensbidrag, Publicerat paper (Refereegranskat)
Abstract [en]

Most work on data warehousing addresses aspects related to the internal operation of a data warehouse server, such as selection of views to materialise, maintenance of aggregate views and performance of OLAP queries. Issues related to data warehouse maintenance, i.e. how changes to autonomous sources should be detected and propagated to a warehouse, have been addressed in a fragmented manner. Although data propagation policies, source database capabilities, and user requirements have been addressed individually, their co-dependencies and relationships have not been explored. In this paper, we present a comprehensive framework for evaluating data propagation policies against data warehouse requirements and source capabilities. We formalize data warehouse specification along the dimensions of staleness, response time, storage, and computation cost, and classify source databases according to their data propagation capabilities. A detailed cost-model is presented for a representative set of policies. A prototype tool has been developed to allow an exploration of the various trade-offs.

Ort, förlag, år, upplaga, sidor
Springer Berlin/Heidelberg, 2002. s. 317-335
Serie
Lecture Notes in Computer Science, ISSN 0302-9743 ; 2287
Nationell ämneskategori
Datavetenskap (datalogi)
Identifikatorer
URN: urn:nbn:se:his:diva-14741DOI: 10.1007/3-540-45876-X_22ISI: 000181347400022ISBN: 978-3-540-43324-8 (tryckt)ISBN: 978-3-540-45876-0 (digital)OAI: oai:DiVA.org:his-14741DiVA, id: diva2:1182846
Konferens
8th International Conference on Extending Database Technology, Prague Czech Republic, March 25-27, 2002
Tillgänglig från: 2018-02-14 Skapad: 2018-02-14 Senast uppdaterad: 2018-02-16Bibliografiskt granskad

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Engström, Henrik
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Totalt: 227 träffar
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