Resource Summary for Pay-as-you-go Dataspace Systems

摘要：

Dataspace systems are typically pay-as-you-go systems compared with traditional integration systems.Integration semantics and relationships among resources can be gradually enhanced over time.A system should support graceful transition between keyword query and structured query.A resource summary can be of great help in this situation,which provides an approximate overview of the entire structure of the dataspace.It can be refined over time when more and more semantics are obtained.We formally define a resource summary in this paper,and develop algorithms that allow us to automatically generate resource summaries and to refine them with the system running.Resource summaries are obviously important for advanced users and could be used in query optimization for pay-as-you-go dataspace systems.

作者: Wang Ning Xu De

作者单位: Department of Computer Science,Beijing Jiaotong University Beijing 100044,P.R.China

会议类型: 国际会议

会议名称: 9th International Conference on Signal Processing(第九届国际信号处理学术会议)(ICSP08)

会议地点: 北京

会议语种:英文

在线出版日期: 2008-10-26（万方平台首次上网日期，不代表论文的发表时间）