New PDF release: Fuzzy Database Modeling with XML

By Zongmin Ma (auth.)

ISBN-10: 0387242481

ISBN-13: 9780387242484

Fuzzy Database Modeling with XML aims to supply a unmarried list of present learn and sensible purposes within the fuzzy databases. This quantity is the outgrowth of analysis the writer has carried out in recent times. Fuzzy Database Modeling with XML introduces state-of-the-art details to the database study, whereas even as serving the knowledge know-how specialist confronted with a non-traditional program that defeats traditional methods.

The learn on fuzzy conceptual types and fuzzy object-oriented databases is receiving expanding recognition, as well as fuzzy relational database versions. With quick advances in community and web thoughts besides, the databases were utilized less than the surroundings of disbursed details platforms. it truly is crucial as a result to combine a number of fuzzy database platforms. due to the fact that databases are more often than not hired to shop and control XML info, extra specifications are essential to version fuzzy details with XML. moment, this ebook maps fuzzy XML version to the bushy databases. only a few efforts at investigating those concerns have up to now happened.

Fuzzy Database Modeling with XML is designed for a qualified viewers of researchers and practitioners in undefined. This booklet is usually compatible for graduate-level scholars in machine technological know-how.

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For example, the sentence that "I am 95 percent sure that Tom is married" represents information uncertainty. Notice that the random uncertainty is described using probability theory. The ambiguity means that some elements of the model lack complete semantics, leading to several possible interpretations. For example, it may not be clear if one person's salaries stated are per week or month. Generally, several different kinds of imperfect information can co-exist with respect to the same piece of information.

A) Conflict among superclasses. If several direct superclasses of a subclass have the same name of attributes or methods, the conflict among superclasses appear. The solution is to declare the superclass order inherited, or to be illustrated by user. (b) Conflict between a superclass and a subclass. When there are conflicts between a subclass and a superclass, the definition of attributes and methods in subclass would override the same definition in the superclass. Note that a naming method may have a different meaning in different classes.

As for these declarations, they are the elementary building blocks on which a DTD can be designed. Element Type and Attribute-list Declarations Element type and attribute-list declarations make up the core of DTDs and declare the valid structures of a document instance, namely, the nested element tags with their additional attributes. An elements type declaration associates the element content. , *, +), the types of EMPTY, ANY, #PCDATA, and mixed content. Sequence requires elements to have a fixed order, whereas choice expresses element alternatives.

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Fuzzy Database Modeling with XML by Zongmin Ma (auth.)

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