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Temporal Data Warehousing: Approaches and Techniques

Temporal Data Warehousing: Approaches and Techniques

Matteo Golfarelli, Stefano Rizzi
Copyright: © 2011 |Pages: 18
ISBN13: 9781609605377|ISBN10: 1609605373|EISBN13: 9781609605384
DOI: 10.4018/978-1-60960-537-7.ch001
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MLA

Golfarelli, Matteo, and Stefano Rizzi. "Temporal Data Warehousing: Approaches and Techniques." Integrations of Data Warehousing, Data Mining and Database Technologies: Innovative Approaches, edited by David Taniar and Li Chen, IGI Global, 2011, pp. 1-18. https://doi.org/10.4018/978-1-60960-537-7.ch001

APA

Golfarelli, M. & Rizzi, S. (2011). Temporal Data Warehousing: Approaches and Techniques. In D. Taniar & L. Chen (Eds.), Integrations of Data Warehousing, Data Mining and Database Technologies: Innovative Approaches (pp. 1-18). IGI Global. https://doi.org/10.4018/978-1-60960-537-7.ch001

Chicago

Golfarelli, Matteo, and Stefano Rizzi. "Temporal Data Warehousing: Approaches and Techniques." In Integrations of Data Warehousing, Data Mining and Database Technologies: Innovative Approaches, edited by David Taniar and Li Chen, 1-18. Hershey, PA: IGI Global, 2011. https://doi.org/10.4018/978-1-60960-537-7.ch001

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Abstract

Data warehouses are information repositories specialized in supporting decision making. Since the decisional process typically requires an analysis of historical trends, time and its management acquire a huge importance. In this paper we consider the variety of issues, often grouped under term temporal data warehousing, implied by the need for accurately describing how information changes over time in data warehousing systems. We recognize that, with reference to a three-levels architecture, these issues can be classified into some topics, namely: handling data/schema changes in the data warehouse, handling data/schema changes in the data mart, querying temporal data, and designing temporal data warehouses. After introducing the main concepts and terminology of temporal databases, we separately survey these topics. Finally, we discuss the open research issues also in connection with their implementation on commercial tools.

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