Fuzzy Data Bases and Queries

H.-J. Zimmermann

Chapter 12 in Fuzzy Set Theory—and Its Applications, 2001, pp 265-275 from Springer

Abstract: Abstract Data bases are one form of modeling parts of the real world. They may contain descriptions of technical systems, of enterprises, of scientific activities, of landscapes (geographical information systems), or other domains. The world of data bases is the world of digital computers, one of the most typical dichotomous systems. It is, therefore, not surprising that the type of storage is crisp and that all data processing, e.g. input, storage, querying is crisp, no matter whether the factual relationships described in a database are crisp or uncertain or fuzzy.

Keywords: Linguistic Variable; Relational Algebra; Delivery Delay; Partition Matrix; Relational Data Model (search for similar items in EconPapers)
Date: 2001
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DOI: 10.1007/978-94-010-0646-0_12

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