A managerial community of Web Services for management of communities of Web Services

Benharref, Abdelghani; Serhani, Mohamed Adel; Bouktif, Salah

doi:10.1109/notere.2010.5536782

Cited by 8 publications

(4 citation statements)

References 11 publications

(10 reference statements)

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“…Cloud communities are different from cloud federations that focus exclusively on improving the resource scaling capabilities among IaaS providers. 21 System-centric models aim to enhance the system throughput and utilization of the system such as the proposals in Khosrowshahi-Asl et al 16 and Benharref et al 22 Finally, economy-centric models consider the cost of service and the budget of users with the goal of maximizing profit. 11 In this context, cloud federations may be considered as a particular case of cloud service communities.…”

Section: Motivationsmentioning

confidence: 99%

“…In Benharref et al, 22 a managerial community of services is proposed to help assessing and monitoring the quality of service provided. In this case, a score function is considered taking into account the response time, availability, reputation, and cost.…”

Section: Related Workmentioning

confidence: 99%

“…User-centric models allocate resources to yield the highest maximum utility to the users of the system based on their QoS requirements. 21 System-centric models aim to enhance the system throughput and utilization of the system such as the proposals in Khosrowshahi-Asl et al 16 and Benharref et al 22 Finally, economy-centric models consider the cost of service and the budget of users with the goal of maximizing profit. 17 The proposed approach in this paper belongs to the system-centric class.…”

Section: Motivationsmentioning

confidence: 99%

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Dynamic formation of service communities in the cloud under distribution and incomplete information settings

Khosrowshahi-Asl¹,

Estrada

Otrok

et al. 2017

Concurrency and Computation

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Communities that gather functionally identical or complementary cloud services aim to provide better visibility, efficiency, and market share. This paper investigates the issue of forming these communities in distributed decision-making settings under incomplete information. By incomplete information, we mean only partial information about the individual performance of cloud services within communities and about how they will behave within these communities is available. Forming communities in these particular settings is still an open problem. Most of the existing models require real-time global knowledge about the services and high computational complexity, which makes the community formation extremely hard and time-consuming. In this paper, we propose a strategic Distributed Decision-making Mechanism (DDM) that regulates the cloud services decision-making process. DDM first generates an initial set of data based on information obtained from existing cloud services regarding their single and cooperative efficiency. By analyzing this set and on the basis of a distance function, the decision-making mechanism with regard to which community to form is implemented as a decision profile of strategies and their expected utility computed in terms of computational efficiency. DDM efficiently and systematically helps 1) communities find appropriate cloud services to invite as new members and 2) single services find suitable communities to join. To evaluate the proposed mechanism, we performed experiments using real data including 142 users and 4,000 cloud services obtained from the CloudArmor, CloudHarmony, and WS-DREAM datasets. The experimental results show that our algorithms outperform the existing solutions. KEYWORDScloud services, community of services, distributed decision-making INTRODUCTIONModern applications are nowadays developed using service-oriented architecture and web services technology where the cloud's software as a service (SaaS) is de facto model for software delivery. To make these applications more efficient and adaptive to the new requirements of being flexible, cloud services including SaaS, platform as a service (PaaS), infrastructure as a service (IaaS), and backend as a service (BaaS) are shifted, from the perspective of design and engineering, from passive and individual components to intelligent, autonomous, and collaborative-based components having common goals. 1-4 Being collaborative entails new challenges towards analyzing the overall system's performance in achieving these common goals. 5-8 One of the initiatives towards strengthening this collaboration among services is capitalizing on the concept of virtual communities. 9-11 A virtual community of services is defined as a group of services offering similar and complementary functionalities with diverse non-functional properties that can ensure the inter-community and intra-community interactions.Despite the existence of the current services technologies (e.g., WSDL and SOAP) and cloud developments that enable developing virtual commun...

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Section: Motivationsmentioning

confidence: 99%

Section: Related Workmentioning

confidence: 99%

Section: Motivationsmentioning

confidence: 99%

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Dynamic formation of service communities in the cloud under distribution and incomplete information settings

Khosrowshahi-Asl¹,

Estrada

Otrok

et al. 2017

Concurrency and Computation

Self Cite

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“…The system was developed in-house to allow remote monitoring of pain and comprises an electronic pain diary, a web-based personal health record (PHR), and a web service (WS) to take advantage of distributed computing, integration of applications and ubiquitous access (i.e., anytime and anywhere) [33,34]. The user-friendliness of the system is evaluated, as well as the patient compliance.…”

Section: Introductionmentioning

confidence: 99%

Evaluation of a ubiquitous and interoperable computerised system for remote monitoring of ambulatory post-operative pain: A randomised controlled trial

Pombo

Araújo

Viana

et al. 2014

THC

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BACKGROUND: For economic reasons, i.e., to reduce costs of in-hospital patient accommodations, constant pressure has been applied in recent years to increase the percentage of ambulatory surgeries. Effective control of post-operative pain after ambulatory surgery is challenging to all health professionals. Computerised systems are being implemented more frequently for remote patient monitoring, including during the at-home post-operative period. OBJECTIVE: This study evaluates the feasibility of delivering a computerised system, developed in-house, for remote pain monitoring. It evaluates the user-friendliness of the system and the extent of patient compliance. Finally, a comparative assessment of the system is made with respect to the quality of pain treatment in ambulatory surgery. METHODS: The participants included 32 adults, aged 18-75, randomly assigned to a control group or to a computerised treatment group. The primary treatment outcome was measured by pain intensity ratings (0-10 NRS) reported several times per day during a five-day monitoring period, using an electronic pain diary combined with a web-based personal health record. RESULTS AND CONCLUSIONS:The findings demonstrated the feasibility and suitability of the proposed system for pain management. Its handling was user-friendly, without requiring advanced skill or prior experience. In addition, the results showed that the guidance of health care professionals is essential to patients' satisfaction and positive experience with the system. There were no significant group differences with respect to improvements in the quality of pain treatment; however, this can be explained by the low pain scores registered in both groups, related to the type of surgical interventions recruited and the degrees of pain that are easily treated. To evaluate the benefits from a patient-centred perspective, studies of major ambulatory surgeries or of patients in chronic pain, including oncologic and non-oncologic pain resistant to treatment, are necessary.

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Unifying Web Services Communities Modelling Through a UML Profile

Limam¹,

Akaichi

2015

Lecture Notes in Computer Science

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Abstract. Many works were interested in studying the ways of organizing Web services into communities which allowed the onset of a variety of definitions and models. The new paradigm , launched by the use of Web services communities models was adopted by users in various fields such as those related to marketing, commerce, health care, etc. However, the proposed conceptual models suffer from dispersed points of view that have to be unified in order to offer generic conceptual support for experts and clerical users. The purpose of this work is to propose a unified conceptual model able to unify different points of view through a generic UML description profile of Web services communities characteristics well adapted to new concepts imposed by the use of communities. Thanks to the proposed unified model, users will be able to build themselves their communities regardless the case of study involving Web services.

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A managerial community of Web Services for management of communities of Web Services

Cited by 8 publications

References 11 publications

Dynamic formation of service communities in the cloud under distribution and incomplete information settings

Dynamic formation of service communities in the cloud under distribution and incomplete information settings

Evaluation of a ubiquitous and interoperable computerised system for remote monitoring of ambulatory post-operative pain: A randomised controlled trial

Unifying Web Services Communities Modelling Through a UML Profile

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