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Fuzzy Sets and Fuzzy Database Models

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Fuzzy XML Data Management

Part of the book series: Studies in Fuzziness and Soft Computing ((STUDFUZZ,volume 311))

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Abstract

Information imprecision and uncertainty exist in many real-world applications, and for this reason fuzzy data modeling has been extensively investigated in various database models. In particular, Zadeh’s fuzzy set theory has been identified as a successful technique for modeling imprecise and uncertain information in various database models. This has resulted in numerous contributions, mainly with respect to the popular fuzzy conceptual data models (fuzzy ER/EER model, fuzzy UML data model, and etc.) and fuzzy logical database models (fuzzy relational database model, fuzzy object-oriented database model, and etc.). Also, it is shown that fuzzy set theory is very useful in Web-based business intelligence. Therefore, topics related to the modeling of fuzzy data are considered very interesting in XML since it is the current standard data representation and exchange format over the Web. In particular, to manage fuzzy XML data, it is necessary to integrate fuzzy XML and various fuzzy databases, and various fuzzy database models (fuzzy relational database model and fuzzy object-oriented database model) need to be used for mapping to and from the fuzzy XML models. Therefore, in this chapter, we mainly introduce several fuzzy database models, including fuzzy UML data model, fuzzy relational database model, and fuzzy object-oriented database model. Before that, we briefly introduce some notions of fuzzy set theory.

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Authors and Affiliations

  1. School of Software, Northeastern University, Shenyang, People’s Republic of China

    Li Yan

  2. College of Information Science and Engineering, Northeastern University, Shenyang, People’s Republic of China

    Zongmin Ma

  3. College of Information Science and Engineering, Northeastern University, Shenyang, People’s Republic of China

    Fu Zhang

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  1. Li Yan
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  2. Zongmin Ma
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  3. Fu Zhang
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Correspondence to Li Yan .

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Yan, L., Ma, Z., Zhang, F. (2014). Fuzzy Sets and Fuzzy Database Models. In: Fuzzy XML Data Management. Studies in Fuzziness and Soft Computing, vol 311. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-642-44899-7_2

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  • DOI: https://doi.org/10.1007/978-3-642-44899-7_2

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