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Abstract-In the research on external storage file access prediction algorithms, how to improve the predictive hit ratio and the degree of applicability becomes the major issue. This paper discusses several current prediction models including Program-based Last Successor (PLS) model, User-based Last Successor (ULS) model and Program-and User-based Last Successor (PULS) model, which both use program...
A spherical micromanipulator achieves rotations with 3-DOFs of the micro-ball with the relative displacements brought by the frictions between the ruby balls and the micro-ball on the top of piezoelectric tubes. The two-masses simplified engineering model of the stick-slip principle is established under the condition of simplifying spherical higher pair joints. The model of forced vibration and self-excitation...
Formal concept analysis was creatively used in policy based network management in this study. It takes much time for a conflict detection routine to search every policy in policy repository with conventional policy access models to see if conflict occurs before a new dynamic policy is added to the policy repository. A novel access model for dynamic policies was proposed based on classification concept...
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