We develops semantic agents. This enables to create and categorize appropriate social network of contents which wrote or viewed by internet user such as blogger and web users. Also it defines the categories that have created by its improved intelligent agent engine. By using the engine, One could produce context network map which contain relationship between other contents by its context and categorize contents that have created or viewed by a user. Since the engine transform social network to intellectual network by concretize, it reinforces the value of users’ knowledge via related other contents.