Abstract
Nowadays most of data are modeled by database modes such as UML, relational and object-oriented database models as introduced in Chap. 1. Then database administrators are faced with the challenge of ensuring their databases to interface with other heterogeneous systems using XML, which is the de facto standard for publishing and exchanging data on the Web. However, information is often imprecise and uncertain in many real-world applications, and thus fuzzy database models and fuzzy XML have been extensively investigated as introduced in Chaps. 2 and 3. Accordingly, there is an increasing need to automate the process of extracting fuzzy XML models containing information from existing fuzzy database models. In this chapter, we introduce how to extract fuzzy XML from several typical fuzzy database models, including fuzzy UML data models, fuzzy relational database models, and fuzzy object-oriented database models.
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