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Service computing aims to provide IT and computing resources to users in a way that it simply serves them. However, many issues remain in, such as portability, interoperability, and heterogeneity of diverse services, in addition to service modeling, creation, deployment, discovery, recommendation, composition, and delivery, in order to provide a service that best fits user needs and contexts at the...
Cloud computing has become one of the key considerations both in academia and industry. Cheap, seemingly unlimited computing resources that can be allocated almost instantaneously and pay-as-you-go pricing schemes are some of the reasons for the success of Cloud computing. The Cloud computing landscape, however, is plagued by many issues hindering adoption. One such issue is vendor lock-in, forcing...
The best sources of critical network-based applications are operations that require ad hoc network formation, interoperability among a wide variety of node capabilities, real-time or near real-time responsiveness, high bandwidth data dissemination, quality of service, and execution of network applications that may have an impact on human life or other effect deemed critical by human society. This...
Service Oriented Architecture (SOA) is not only an architecture, rather it is a relationship between the service provider, broker and user. Designing middleware platforms for this architecture really helps in achieving interoperability, loose coupling and high efficiency especially for applications running in heterogeneous environments. The job of an SOA middleware is to cater for the functional properties...
The CONNECT European project that started in February 2009 aims at dropping the interoperability barrier faced by todaypsilas distributed systems. It does so by adopting a revolutionary approach to the seamless networking of digital systems, that is, synthesizing on the fly the connectors via which networked systems communicate. CONNECT then investigates formal foundations for connectors together...
In service oriented application, value-added service is composed of some component services which are selected from candidate services. However, in the current service selection models, services in the composite service are independent from each other. In fact, there are relations (e.g. data interaction, condition dependency) between them. Both QoS and service relation should be regarded as criterions...
Grid computing involves the ability to harness together the power of computing resources. In this paper we push forward this philosophy and show technologies enabling federation of grid infrastructures regardless of their interface. The aim is to provide the ability to build arbitrary complex grid infrastructure able to sustain the demand required by any given service. In this very same line, this...
Opportunities are available resources that yield desired results. Their suitability depends on who seizes the opportunity and the context for its use. Opportunistic development relies on the availability of reusable software components to produce hybrid applications that opportunistically join such components to meet immediate functional or content needs. Availability and connectivity are key qualities...
Current fashion systems to interconnect large software architectures are moving toward SOA based solutions. This new paradigm for designing system can be improved, in our opinion, by using semantics. Semantics can a play a main role in boosting interoperability thanks to current technologies to express knowledge and to describe semantic Web services (SWS). This paper tackles the provision of a Software...
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