Modeling XML Warehouses for Complex Data
Doulkifli Boukraà, Riadh Ben Messaoud, Omar Boussaïd · IGI Global eBooks · 2010
Current data warehouses deal for the most part with numerical data. However, decision makers need to analyze data presented in all formats which one can qualify as complex data. Warehousing complex data is a new challenge for the scientific community. Indeed, it requires revisiting the whole warehousing process in order to take into account the complex structure of data; therefore, many concepts of data warehousing will need to be redefined. In particular, modeling complex data in a unique format for analysis purposes is a challenge. In this chapter, the authors present a complex data warehouse model at both conceptual and logical levels. They show how XML is suitable for capturing the main concepts of their model, and present the main issues related to these data warehouses.