Purpose – Software-as-a-Service (SaaS) has the potential to provide substantial opportunities for organizations to improve their information technology without cost and management concerns. However, organizations have not utilized it to the desired level because it is very challenging for them to completely transform their basic conventional methods of running software into SaaS as a high-tech ...

Cloud computing provides network software companies with a platform to develop Software as a Service (SaaS) applications. The pay-as-you-go pricing model unties these SaaS providers from large capital outlays in hardware deployment and maintenance. Depending on the level of virtualization and service abstraction, cloud vendors provide different functionalities to the SaaS providers. For example...

With Software-as-a-Services (SaaS), benefits such as cost efficiency and flexibility gains are associated, which drive decision-makers to increasingly take this technology into account not only for supporting business processes, but also for core business processes. However, the trailing IT organizational impacts of SaaS integrations after the implementation phase often remain hidden. This pape...

The purpose of this paper is to study how a software product company can expand its business with the Software as a Service (SaaS) model. The differences between the product and service business are considerable and the change of focus from one to the other is not easily done. For example, the scale economies, which are associated with the product business, are not easily achieved in the servic...

This study seeks to better understand the factors contributing to the adoption of Software as a Service (SaaS) as on-demand sourcing option. Grounded in transaction cost theory (TCT), we developed a research model for assessing SaaS-sourcing at the application level. Four hypotheses with three TCTbased constructs (application specificity, environmental uncertainty, and usage frequency) and one ...

Most of current Software-as-a-Service (SaaS) applications are developed as customizable serviceoriented applications that serve a large number of tenants (users) by one application instance. The current rapid evolution of SaaS applications increases the demand to study the commonality and variability in software product lines that produce customizable SaaS applications. During runtime, Customiz...

Software-as-a-Service (SaaS) is said to become an important cornerstone of the Internet of Services. However, while some market research and IT provider firms fervently support this point of view, others already conjure up the failure of this ondemand sourcing option. Oftentimes based on weak empirical data and shaky reasoning, these inconsistent perspectives lack scientific rigor and neglect t...

This paper proposes a data security protection strategy of the SaaS mode ----the SLA based SaaS Security Level. At the same time, it gives concept model and implementation architecture of the security scheme which based on the SaaS Security Level. The SLA based SaaS Security Level takes the requirements of tenants to the data security as a starting point, and it mainly relates to data security ...

Currently, the World Wide Web (WWW) is the primary resource for cloud services information, including offers and providers. Cloud applications (Software as a Service), such as Google App, are one of the most popular and commonly used types of cloud services. Having access to a large amount of information on SaaS offers is critical for the potential cloud client to select and purchase an appropr...

Splenic artery aneurysms (SAAs) are the third most common abdominal aneurysm. Endovascular treatment of SAAs is preferred, and coiling is the most commonly used technique. Ruptured giant (>5 cm) SAAs are usually treated with open surgery including splenectomy. We present a rare case of a ruptured 15-cm giant SAA in an 84-year-old woman treated successfully with emergency endovascular coiling. T...