在信息世界中，信息从客观事物出发流经数据库，通过决策机构最后又回到客观世界，信息的这一循环经历了三个领域：信息世界，数据世界，现实世界。现实世界的事物反映到人的头脑中，人的大脑对它有个认识过程-in the world of information, information from an objective database of things starting to flow through, the final decision-making body back to the objective world and the information that cycle has experienced three areas : the world of information, data world, the real world. The real world of things to reflect people's minds, the brain it is recognition process