An Innovative SaaS Service Discovery Approach Using Field Theory
Software-as-a-service( SaaS) as a newpattern has been increasingly recognized,and it will become the dominated software operation pattern in the era of cloud computing. In order to satisfy personalized customization requirements of the SaaS tenants,the paper propose a innovative SaaS service model based RGPS requirement meta model which interprets howto achieve multi-tendency SaaS service through fragmentation of resources,customizability,credibility and scalability. Then it gives relevant quantification based cloud model,a service discovery approach based field theory finally,which can solve the problem of high dimension of RGPS requirement meta model,enhance the ability of service aggregation,and improve the system 's performance by experiment verification.