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Service QoS evaluation method and system based on unascertained interval numbers

An evaluation method and interval number technology, applied in the field of computer services, can solve the problems of inability to accurately evaluate service QoS, inability to implement service QoS evaluation, and poor operability.

Inactive Publication Date: 2015-03-04
NORTHEASTERN UNIV LIAONING
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Problems solved by technology

[0004] However, the above methods may not be able to accurately describe the uncertainty of service QoS, resulting in the inability to accurately evaluate service QoS; or the operability is not strong, resulting in the inability to implement service QoS evaluation

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  • Service QoS evaluation method and system based on unascertained interval numbers
  • Service QoS evaluation method and system based on unascertained interval numbers
  • Service QoS evaluation method and system based on unascertained interval numbers

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Embodiment Construction

[0058] The specific implementation manners of the present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments. The following examples are used to illustrate the present invention, but are not intended to limit the scope of the present invention.

[0059] figure 1 It shows a schematic flowchart of a service QoS evaluation method based on the number of unascertained intervals provided by the first embodiment of the present invention, as shown in figure 1 As shown, the method of this embodiment is as follows.

[0060] 101. Describe the value interval of the service QoS index as an unascertained interval number, and establish a service QoS description model based on the unascertained interval number.

[0061] In this step, it should be noted that the service QoS representation model is the basis for service QoS evaluation. The present invention believes that the service QoS representation model should have the followi...

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Abstract

The invention provides a service QoS evaluation method and system based on an unascertained interval number. The service QoS evaluation method comprises the following steps: describing value taking intervals of service QoS indicators as the unascertained interval numbers, establishing a service QoS describing model based on the unascertained interval numbers, obtaining order numbers and interval value ranges of the unascertained interval numbers in the service QoS describing model based on the unascertained interval numbers by adopting a non-parametric density clustering partition algorithm, calculating a value of service QoS, comparing all indicators of service QoS to be evaluated, obtaining comparison results of the service QoS to be evaluated and evaluating the comparison results by adopting a skyline method. The service QoS evaluation method has the benefits that the uncertainty of the service QoS can be more accurately described, the evaluation of the service QoS is accurate, and the maneuverability is strong.

Description

Technical field: [0001] The present invention relates to the technical field of computer services, in particular to a service QoS evaluation method and system based on an unsure interval number. Background technique: [0002] In the application mode of service computing and cloud computing, all kinds of heterogeneous resources distributed on the Internet can be packaged as web services for external use. Users can quickly integrate various resources distributed on the Internet through service composition to complete more complex application goals or provide more practical value-added services. When choosing a service, users always hope to choose a service with better QoS under the condition of the same function, so how to evaluate the service QoS becomes the key to whether the user can choose a service with better QoS. [0003] The QoS of Web services is usually measured by multiple QoS indicators, and the values ​​of many indicators are highly uncertain due to objective (su...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06F17/30H04L12/24H04L29/08
CPCH04L67/61G06F18/2321
Inventor 高岩何洋张斌
Owner NORTHEASTERN UNIV LIAONING
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