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In this abstract we emphasize the role of a semantic structure called resource graph in order to study the provability in some resource-sensitive logics, like the Bunched Implications Logic (BI) or the Non-commutative Logic (NL). Such a semantic structure is appropriate for capturing the particular interactions between different kinds of connectives (additives and multiplicatives in BI, commutatives and non-commutatives in NL) that occur during proof-search and is also well-suited for providing countermodels in case of non-provability. We illustrate the key points with a tableau method with labels and constraints for BI and then present tools, namely BILL and CheckBI, which are respectively dedicated to countermodel generation and verification in this logic. 相似文献
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一种基于资源类型的网格资源发现方法 总被引:14,自引:0,他引:14
提出一种基于资源类型的非集中式网格资源发现方法,将注册有同类资源的网格信息节点组织在一起形成社区,资源发现请求的转发以及资源信息的扩散都被限制在相应的社区内,从而改善了资源发现的性能.社区的自组织和社区间的高效导航通过一个基于分布式Hash表的bootstrap网络实现,并提出了流言传播的机制来改善bootstrap网络中的负载均衡.在社区内部的搜索中引入了基于贪婪搜索的资源定位机制,只将少数较好的结果返回给用户,节省了用户比较选择的时间.探讨了该方法在通用大规模计算资源共享以及仿真网格中的应用. 相似文献
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A decentralized Grid resource discovery solution is presented in this paper under predefined resource taxonomy, in which information nodes with the same type of registered resources are organized together to form resource information communities (RIC), and efficient navigation between different communities is achieved by a DHT P2P based bootstrap network. Periodical topology maintenance communications are used to piggyback and disseminate popular data in bootstrap network to achieve better load balance. The performance of RIC-based Grid resource discovery is evaluated by simulation under different cases, and overhead is also studied. 相似文献
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由于Internet上的资源的不均匀分布,为了实现有限资源的最大利用率,可通过一种基于资源可用度的资源发现方法,该方法运用一种新的模型计算了节点的资源可用度,并将可用度比较高的节点主机作为资源发现的目的地,从而较好地实现了Internet中共享资源的查找与定位问题. 相似文献