Proper scheduling of tasks leads to optimum using of time and resources, in order to obtaining best result. One of the most important and complicated scheduling problems is open shop scheduling problem. There are n jobs in open shop scheduling problem which should be processed by m machines. Purpose of scheduling open shop problem is attaining to a suitable order of processing jobs by specified...

Proper scheduling of tasks leads to optimum using of time and resources, in order to obtaining best result. One of the most important and complicated scheduling problems is open shop scheduling problem. There are n jobs in open shop scheduling problem which should be processed by m machines. Purpose of scheduling open shop problem is attaining to a suitable order of processing jobs by specified...

In this paper we show that the static conflict resolution strategy of XACML is not always sufficient to satisfy the policy needs of an organisation where multiple parties provide their own individual policies. Different conflict resolution strategies are often required for different situations. Thus combining one or more sets of policies into a single XACML ‘super policy’ that is evaluated by a...

In this paper we describe a policy based authorisation infrastructure that a cloud provider can run as an infrastructure service for its users. It will ヮヴラデWIデ デエW ヮヴキ┗;I┞ ラa ┌ゲWヴゲげ S;デ; H┞ allowing the users to set their own privacy policies, and then enforcing them so that no unauthorised access is allowed to their data. The infrastructure ensures that the ┌ゲWヴゲげ privacy policies are stuck to...