Titlebook: Knowledge Management in Fuzzy Databases; Olga Pons,Maria Amparo Vila,Janusz Kacprzyk Book 2000 Springer-Verlag Berlin Heidelberg 2000 data

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Data Mining via Fuzzy Querying over the InternetWe present an approach to data mining in databases by using fuzzy querying, implemented as our FQUERY for Access system, and then extended to make fuzzy querying possible via a WWW browser. This makes it possible to browse through enormous, and growing, information resources that can be found via the Internet.

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Studies in Fuzziness and Soft Computinghttp://image.papertrans.cn/k/image/543989.jpg

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Fuzzy Data Modeling at a Conceptual Level: Extending ER/EER Conceptst uncertainty and imprecision in data and semantics can be represented and dealt with at a conceptual level. First, fuzzy extensions to basic ER/EER concepts such as superclass/subclass, generalization/specialization, and shared subclass/category are discussed. Second, the attribute inheritance is i

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Time Management in Fuzzy and Uncertain Object-Oriented Databasescertain object-oriented databases, in order to support the time concepts of transaction time, valid time and user-defined time and hence the traditional characteristics of temporal databases. The definition of this framework itself relies on a suitable, new theoretical time model that deals with the

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Fuzzy Approach to Data Reliabilityfuzzy measure of certainty that the data is correct from user’s point of view. The relation scheme is partitioned into a subset of input (completely reliable) and a subset of target (partially reliable) attributes. An information theoretic connectionist network is constructed to evaluate the informa

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Extended Divisions for Flexible Queries in Relational Databasesevels of certainty, of importance, or of fulfillment of a graded property, as well as fuzzy quantifiers. We address the case where both levels of fulfillment and levels of importance are present in the specification of a requirement. Furthermore, we consider the case where a level of fulfillment may