【摘要】 移动agent技术对于移动环境具有较好的支持,但是,大多数系统中,客户-agent-服务器之间的关系是线性的,不适合现实中移动数据库的网状结构。通过对agent的功能进行扩充和分工,提出了三层agent的移动数据库系统结构,较好地解决了移动数据库中的数据可用性和位置相关查询等问题。更多还原

【Abstract】 Technology of mobile agent supports mobile environment efficiently.But ,in most systems ,the relation between client ,agent and server is linear,which doesn’t adapt to the network framework of mobile database.The paper expands and classifies the function of agent ,brings up a three-tier mobile database structure which efficiently solves the problem in the mobile database such as data availability and location dependence query.更多还原