Cloud computing is a BUZZ word of modern computing scenario. Cloud computing services are flexible and cost effective with resource utilization. Cloud computing have three service models SaaS (Software as a Service) PaaS (Plateform as a Service) and Iaas (Infrastructure as a Service). SaaS provide on demand application services such as email, ERP and CRM etc. Multi user can access applications ...

Cloud Computing and especially Software as a Service (SaaS) is predicted to bring about the next information technology (IT) revolution. Benefits and risks have been discussed extensively in both research and practice. Key benefits like higher flexibility and lower costs are confronted with major risks such as loss of data control. These benefits and risks are predominantly discussed in the con...

Nowadays the technological progress allows us to have highly flexible solutions, easily accessible with lower levels of investment, which leads to many companies adopting SaaS (Software-as-a-Service) to support their business processes. Associated with this movement and considering the advantages of SaaS, it is important to understand whether work is being developed that is underutilized becaus...

This chapter introduces a framework and a methodology to manage a SaaS application on top of a PaaS infrastructure. This framework utilizes PaaS policy sets to implement the SaaS provider’s elasticity policy for its application server tier. Adaptation is based on strategytrees, which allow for systematic capture, representation and reasoning about adaptation variability, based on hierarchically...

The market for the new provisioning type Software-as-a-Service (SaaS) has reached a significant size and still shows enormous growth rates. By varying size of SaaS products, providers can improve their market position and profits by successfully acting in the tension area of customer acquisition, pricing and costs. We firstly elaborate differences concerning product differentiation between clas...

We address the following two research questions: (1) under what circumstances will firms prefer internal SaaS development to external sourcing? and (2) how does the SaaS development mode affect firm performance? We examine the SaaS development actions in the computer industry (SIC code 737) from 2003 to 2012. The preliminary analysis results suggest that firms with large amount of working capit...

This study answers the research question, “How do value co-creation components – value, offering, value networks, user involvement, and interaction process – change over time as Software-as-a-Service (SaaS) configurability moves toward maturity?” We conducted a case study of GlobalSchool, a SaaS company providing administrative software to small-sized schools. We refined the SaaS maturity model...

The Social Appearance Anxiety Scale (SAAS) was created to measure anxiety about being negatively evaluated by others because of one's overall appearance, including body shape. This study examined the psychometric properties of the SAAS in three large samples of undergraduate students (respective ns = 512, 853, and 541). The SAAS demonstrated a unifactorial structure with high test-retest reliab...

Recently, Software as a Service (SaaS) has become a popular software service mode. Context-awareness and customizability are important and desirable properties for providing the same application for different customers. Most of existing approaches tackle application customization by explicitly specifying some form of variation points where parts of the application remain unspecified or are defa...

The integration of SaaS service for group user in cloud is challenging, notably because the service’s QoS and member’s personalization QoS preference in group are uncertain. This is a timely and importance problem with the advent of the SaaS model of service delivery. Therefore, before the SaaS service been utilized, the service alternatives must be ranked for group user based on services’ QoS ...