Modelling business processes using BPMN has been emerging as the preferred choice for organisations seeking to enact their business processes in service-oriented environments. However, a number of organisations have their business processes modelled using Role Activity Diagramming, RAD. In this research, we introduce a new approach to translating RAD… (More)
Leader election algorithms solve the instability problem in the network which is caused by leader failure .In this paper, we propose a new leader election algorithm in two dimensional torus networks. The algorithm aims to elect one node to be a new leader. The new leader is identified by some characteristics not in the other nodes in the network. When the… (More)
Online auctions are a profitable, exciting, and dynamic part of electronic commerce. It behaves in a way, which does not match classical auction. This paper provides a simulation model of an online auction. It models an online auction that helps auction organizer in order to determine his needs of servers and site architecture.