Document-oriented data warehouses : complex hierarchies and summarizability

Chevalier, Max, El Malki, Mohammed, Kopliku, Arlind, Teste, Olivier and Tournier, Ronan (2016) Document-oriented data warehouses : complex hierarchies and summarizability. In: International Symposium on Ubiquitous Networking (UNet 2016).

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There is an increasing interest in implementing data warehouses with NoSQL document-oriented systems. In the ideal case, data can be analysed on different dimensions. These dimensions follow strict hierarchies that we can use to roll-up and drill-down on analysis axes. In this paper, we deal with non-strict and non-covering hierarchies, common issues in data warehousing a.k.a. summarizability issues. We show how to model these hierarchies in document-oriented systems and we propose an algorithm that can deal with summarizability issues. The new approach is tested and compared to existing approaches.

Item Type: Conference or Workshop Item (Paper)
Language: English
Date: 2016
Uncontrolled Keywords: Data warehouses - Document-oriented systems - NoSQL - Summarizability
Divisions: Institut de Recherche en Informatique de Toulouse
Site: UT1
Date Deposited: 01 Apr 2019 01:54
Last Modified: 01 Apr 2019 01:54

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