IT Professional
The design of the force.com multitenant internet application development platform
Proceedings of the 2009 ACM SIGMOD International Conference on Management of data
Technical Challenges and Solution Space for Developing SaaS and Mash-Up Cloud Services
ICEBE '09 Proceedings of the 2009 IEEE International Conference on e-Business Engineering
Communications of the ACM
Optimal configurations for peer-to-peer user-private information retrieval
Computers & Mathematics with Applications
Cloud Computing Research and Development Trend
ICFN '10 Proceedings of the 2010 Second International Conference on Future Networks
Incorporating a database approach into the large-scale multi-level lot sizing problem
Computers & Mathematics with Applications
Reference Models for Saas Oriented Business Workflow Management Systems
SCC '11 Proceedings of the 2011 IEEE International Conference on Services Computing
The QoS-based MCDM system for SaaS ERP applications with Social Network
The Journal of Supercomputing
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Recently the main trend in providing software services has been shifting from an ASP (application service provider)-oriented to a SaaS (software as a service). ASP is a software service model in which the service is provided on a one by one basis according its ownership, while SaaS is a software service model in which the service is provided virtually on a one by one basis, but physically all at once. In a SaaS environment, all users can access the system via Internet without any software installation-examples include Google and Amazon. Now, more companies are shifting their business software service from ASP to SaaS. However effecting the transition of the existing software and data from ASP to SaaS is not an easy task. First, we have to solve the problem of the integration of data for different forms of software, because each data set consists of different data types. Second, the software integration must support a user customizing interface for various users on the Web. Almost all users want customized services, but those require high costs. In this paper we propose a novel method for transferring the existing business software to integrated software that can be used in the SaaS environment. We use a master table and master code to implement the integrated system. The master table is based on the project master table, and other user information tables are connected to collect the necessary information. All information about the project is stored in each column of the project master table. The master table can integrate various software databases. By using this novel methodology, the existing ASP-based software and data can be effectively transferred to the SaaS environment.