Computers are very good at performing many tasks that difficult for humans, such as solving complicated math problems or predicting the weather. But there things people do better than computers. Humor—that is, telling jokes and knowing when something is funny—is one of computers cannot well humans. In this article, you will learn why it hard to understand jokes. You also about artificial intell...

In this paper, a formal model for antivirus update agent system is presented based on mobile agent technology and predicate/transition Petri nets. The mobile agent system contains two mobile agents called DCA and UNA. It sends out agents to update antivirus on client computers in a network. Each agent takes on a specified responsibility. First, DCA roams through the network and check the last d...