提出了基于XML Database的网格数据库物化查询缓存机制,提高用户查询的速度,均衡网格负载。定义了网格数据库服务质量与数据质量的标准,提出了物化查询选择算法MQS,为用户提供更好的数据服务。In this paper,grid database materialized query caching policy based on XML Database is presented,which will improve the response time of queries and balance the load of the grid.QoS and QoD of grid database are defined to provide parameters.The MQS algorithm acts as cached materialized query selector to provide better data service.福建省自然基金资助项目(A0310008);; 福建省高新技术研究开放计划重点资助项目(2003H043
