Volume 4 Number 3 July 2012


An Algorithm for Web Services Composition and Adaptation Based on Interface Description

Yasser Oussalah, Nadia Zeghib

https://doi.org/

Abstract Web services play an important role in the development of distributed systems. Particularly, the possibility of composing already implemented web services in order to provide new functionalities is an interesting approach for building distributed applications and business processes. In this paper we focus on mismatches occurring during dynamic composition of web services. We propose an algorithm for dynamic and automatic... Read More


Formal Specification of Adaptive Web Service Composition Using Maude

Yasser Oussalah, Nadia Zeghib

https://doi.org/

Abstract The composition of heterogeneous Web services is a key aspect of usability and applicability of Web services in different application domains such as business applications, healthcare, and e-government. Unfortunately, the reuse of Web services raises composition issues since they present, most of the time, mismatching at different levels such as structural, behavioral and non-functional. The resulted mismatches require adaptation to... Read More


Web Services Discovery, Selection and Ranking Based Multi-Agent system in Cloud Computing Environment

Saouli Hamza, Kazar Okba, Benharkat Aïcha-Nabila, Amghar Youssef

https://doi.org/

Abstract One of the most important operation in Internet, is the discovery of web services, because of the increasing use of this technology in the last years, as well as, Cloud computing technology is becoming the new way to conceive applications in the network, due to the capacity of treatment and storage offer by the Cloud based systems. In this work... Read More


Modeling and Simulation Strategies for Performance Evaluation of Cloud Computing Systems

Mohammed Fazil Ali, Ahmed Muhammad Barnawi, Abul Bashar

https://doi.org/

Abstract This paper presents a novel evaluation study of various strategies for modeling and simulating cloud computing systems in order to assess their performance. Considering the exponential growth in the deployment of cloud computing systems worldwide and the need for their proper evaluation, this work provides three major contributions through comprehensive performance evaluations. Firstly, it proposes a novel 10-point performance evaluation... Read More


An Algorithm for Web Services Composition and Adaptation Based on Interface Description

Yasser Oussalah, Nadia Zeghib

https://doi.org/

Abstract Web services play an important role in the development of distributed systems. Particularly, the possibility of composing already implemented web services in order to provide new functionalities is an interesting approach for building distributed applications and business processes. In this paper we focus on mismatches occurring during dynamic composition of web services. We propose an algorithm for dynamic and automatic composition and adaptation... Read More


Formal Specification of Adaptive Web Service Composition Using Maude

Yasser Oussalah, Nadia Zeghib

https://doi.org/

Abstract The composition of heterogeneous Web services is a key aspect of usability and applicability of Web services in different application domains such as business applications, healthcare, and e-government. Unfortunately, the reuse of Web services raises composition issues since they present, most of the time, mismatching at different levels such as structural, behavioral and non-functional. The resulted mismatches require adaptation to insure the correct... Read More


Web Services Discovery, Selection and Ranking Based Multi-Agent system in Cloud Computing Environment

Saouli Hamza1, Kazar Okba1, Benharkat Aïcha-Nabila2, Amghar Youssef 2 1Computer Science Department University Mohamed Khider 07000, Biskra, Algeria

https://doi.org/

Abstract One of the most important operation in Internet, is the discovery of web services, because of the increasing use of this technology in the last years, as well as, Cloud computing technology is becoming the new way to conceive applications in the network, due to the capacity of treatment and storage offer by the Cloud based systems. In this work we propose,... Read More


Modeling and Simulation Strategies for Performance Evaluation of Cloud Computing Systems

Mohammed Fazil Ali, Ahmed Muhammad Barnawi1, Abul Bashar

https://doi.org/

Abstract This paper presents a novel evaluation study of various strategies for modeling and simulating cloud computing systems in order to assess their performance. Considering the exponential growth in the deployment of cloud computing systems worldwide and the need for their proper evaluation, this work provides three major contributions through comprehensive performance evaluations. Firstly, it proposes a novel 10-point performance evaluation framework for existing... Read More


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