Improving Response Time of Web Service Composition based on QoS Properties

Karimi, Marzieh; Safi-Esfahani, Faramarz; Noorafza, Nasim

doi:10.17485/ijst/2015/v8i16/55122

Cited by 11 publications

(3 citation statements)

References 25 publications

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“…By reducing the response time of a web service composition, the efficiency of the web service composition can be increased. Response Time, Execution Time, Reputation, Availability, Accessibility, Throughput, and Scalability are examples of QoS properties [33]. Consideration of e-government services and its service composition is discussed with semantic features.…”

Section: Literature Reviewmentioning

confidence: 99%

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Approaches to Web Service Composition for the Semantic Web

Ramadhan

2021

QAJ

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Abstract—Service composition is gaining popularity because a composite service can perform functions that an individual service cannot. There are multiple web services available on the web for different tasks. The semantic web is an advanced form of the current web in which all contents have well-defined meanings due to nature, allowing machines to process web contents automatically. A web service composition is a collection of web services that collaborate to achieve a common goal. They reveal the established methods for web service composition in both syntactic and semantic environments. In this study Initially, we identify the existing techniques used for the composition. We classified these approaches according to the processing of the service descriptions, which can be syntactic or semantic-based service processes. We have reviewed more than 14 articles in this domain and concluded the merits of the methodologies applied for the implementation of web service composition.

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Section: Literature Reviewmentioning

confidence: 99%

“…The issues are Context-sensitive service selection and Handling disconnections during composite service execution. The usage of Symbolic Observation Graphs was proposed in [33] research to abstract and check the opacity and composition of Web services, and so establish privacy. There are two advantages to using SOGs.…”

Section: Literature Reviewmentioning

confidence: 99%

Approaches to Web Service Composition for the Semantic Web

Ramadhan

2021

QAJ

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“…Therefore, DREWS has includes the QoS attributes by extending WSDL file to include QoS descriptions. DREWS supports four main QoS attributes that commonly used by service requester to find suitable WS[15] as described below:i. Service reputation.…”

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confidence: 99%

Middleware-based Model for Dynamic Reconfiguration of Web Service

Ilahi¹,

Admodisastro²,

Ali³

et al. 2018

IJGDC

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Dynamic reconfiguration of web services (WSs) is a method to replace WSs in serviceoriented architecture (SOA) software system during runtime. The method allows the service requester to replace WSs in their system without interruption of other operations in the system. However, dynamic reconfiguration is a difficult process and attempts to handle the process appropriately are still lacking. In this paper, we propose a middleware-based model to improve SOA dynamic reconfiguration service process during runtime. The model is used as the main standard to outline the dynamic reconfiguration of WSs that can handle quality of service (QoS) requirements and to provide explicit mechanism during pre-, in-, and post-adaptation stages. A self-adaptive tool was developed based on the model to support the dynamic reconfiguration of WSs with minimum human intervention. Finally, an evaluation using an experiment is conducted to evaluate the effectiveness of the model. The evaluation results show that the model supported the dynamic reconfiguration of WSs effectively.

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