Service Oriented Architecture (SOA) technology enables composition of large and complex computational units out of the available atomic services. Implementation of SOA brings about challenges which include service discovery, service interaction, service composition, robustness, quality of service, security, etc. These challenges are mainly due to the dynamic nature of SOA. SOAmay often need to ...

quality of service (qos) is an important issue in the design and management of web service composition. qos in web services consists of various non-functional factors, such as execution cost, execution time, availability, successful execution rate, and security. in recent years, the number of available web services has proliferated, and then offered the same services increasingly. the same web ...

Cloud computing brings advancement in the field of information technology. Cloud computing is based on several service models such as SaaS, PaaS, NaaS, DbaaS, IaaS and many more. In order to make clear the essential of cloud computing, we propose the characteristics of these service models which distinguish cloud computing from other research areas .These service models are compared from variou...

E-tourism has evolved as a mainstay business for tourist service providers. It plays an integral role in the dissemination of information and influencing consumer’s preferences and satisfaction. The purpose of this study is to identify the dimensions of service quality perceptions of consumers in e-tourism in the Indian context. It also aims to understand the relative impact of these service qu...