Cloud computing is becoming the new generation computing infrastructure, and many cloud vendors provide different types of cloud services. How to choose the best cloud services for specific applications is very challenging. Addressing this challenge requires balancing multiple factors, such as business demands, technologies, policies and preferences in addition to the computing requirements. Th...

37 Abstract— Cloud Services are becoming a major system for constructing distributed systems. Service-oriented architecture (SOA) is widely working in electronic business, electronic -government, automotive systems, multimedia services, process control, finance, and a lot of other domains. Quality-of-Service (QoS) is usually employed for describing the non-functional characteristics of Cloud se...

With the increasingly evident advantages of service-oriented software architecture, Web service received widespread attention, and the numbers of Web Services are increasing constantly. It is more difficult to select high-quality Web service that meets user requirements. Because traditional service reputation evaluation approaches cannot ensure the authenticity and reliability of user ratings, ...

The word Cloud has been a buzzword since last few years but there is been lot of confusion happening in the cloud market with respect to selection of cloud provider at the cheapest prize and achieving the highest resource efficiency for the cloud providers. Its always a difficult decision when a customer has to select a Cloud service provider because there are no established guidelines to help ...

The advantages of Cloud computing, such as cost effectiveness and ease of management, encourage companies to adapt its services. However, In a Multi-Cloud environment, the wide range of Cloud services and user specific requirements make it difficult to select the best composition of services. An automated approach is required to deal with all phases of service coordination including discovery, ...

As the number of Web services surges rapidly, recommending the right service for various users on demand has become one of the most challenging research issues in the fields of services computing and cloud computing. This special issue focuses on the recommendation techniques for services computing and cloud computing including classic recommendation algorithms for services computing and cloud ...

Cloud computing is fast becoming the major computing paradigm in every aspect of teaching and learning. This computing paradigm supported the emergence of new learning and teaching platform called Massive Open Online Course (MOOC). MOOC is mainly delivered via the cloud and it uses the Internet to make education infinitely available to an unlimited scope of participants. This paper focuses on e...

Building high quality cloud applications becomes an urgently required research problem. Nonfunctional performance of cloud services is usually described by quality-of-service (QoS). In cloud applications, cloud services are invoked remotely by internet connections. The QoS Ranking of cloud services for a user cannot be transferred directly to another user, since the locations of the cloud appli...

Standardization efforts to simplify the management of cloud applications are being conducted in isolation. The objective of this paper is to investigate to which extend two promising specifications, USDL and TOSCA, can be integrated to automate the lifecycle of cloud applications. In our approach, we selected a commercial SaaS CRM platform, modeled it using the service description language USDL...