66 research outputs found

    QoS-enhanced broker for composite web service selection

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    Some notes on an extended query language for FSM

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    FSM is a database model that has been recently proposed by the authors. FSM uses basic concepts of classification, generalization, aggregation and association that are commonly used in semantic modelling and supports the fuzziness of real-world at attribute, entity, class and relations intra and inter-classes levels. Hence, it provides tools to formalize and conceptualize real-world within a manner adapted to human perception of and reasoning about this real-word. In this paper we briefly review basic concepts of FSM and provide some notes on an extended query language adapted to it.ou

    Conceptual design and implementation of the fuzzy semantic model

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    FSM is one of few database models that support fuzziness, uncertainty and impreciseness of real-world at the class deïŹnition level. FSM authorizes an entity to be partially member of its class according to a given degree of membership that reïŹ‚ects the level to which the entity veriïŹes the extent properties of this class. This paper deals with the conceptual design of FSM and adresses some implementation issues.ou

    Incorporating stakeholders’ knowledge in group decision-making

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    Aggregation procedure based on majority principle for collective identification of firm’s crucial knowledge

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    It is very important to identify, preserve, and transfer knowledge to those who need it within firm. However, the identification of knowledge and especially tacit knowledge is a complex process because knowledge cannot be measured quantitatively. In this paper we present an approach for inducing a set of collective decision rules representing a generalized description of the preferential information of a group of decision makers involved in a multicriteria classification problem to identify crucial knowledge to be capitalized

    DMA:an algebra for multicriteria spatial modeling

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    Extending fuzzy semantic model by advanced decision rules

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    This paper extends FSM, a recently proposed semantic data model that supports fuzziness, imprecision and uncertainty of real-world. More precisely, the paper proposes four new concepts, decisional grouping, inhibition, multiplicity and selection, which allows enhancing the modeling of real-world applications. It integrates these concepts in FSM by the definition of new decision rules
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