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NSPW
1998
ACM
15 years 10 months ago
Meta Objects for Access Control: a Formal Model for Role-Based Principals
Object-based programming is becoming more and more popular and is currently conquering the world of distributed programming models. In object-based systems access control is often...
Thomas Riechmann, Franz J. Hauck
CCGRID
2006
IEEE
16 years 12 days ago
Nexus: A Novel Weighted-Graph-Based Prefetching Algorithm for Metadata Servers in Petabyte-Scale Storage Systems
Abstract— An efficient, accurate and distributed metadataoriented prefetching scheme is critical to the overall performance in large distributed storage systems. In this paper, ...
Peng Gu, Yifeng Zhu, Hong Jiang, Jun Wang
INFOCOM
2011
IEEE
14 years 9 months ago
Optimal sampling algorithms for frequency estimation in distributed data
—Consider a distributed system with n nodes where each node holds a multiset of items. In this paper, we design sampling algorithms that allow us to estimate the global frequency...
Zengfeng Huang, Ke Yi, Yunhao Liu, Guihai Chen
RTSS
1996
IEEE
15 years 10 months ago
Commit processing in distributed real-time database systems
W e investigate here the performance implications of supporting transaction atomicity in a distributed realtime database system. Using a detailed simulation model of a firm-deadli...
Ramesh Gupta, Jayant R. Haritsa, Krithi Ramamritha...
P2P
2010
IEEE
207views Communications» more  P2P 2010»
15 years 4 months ago
Local Access to Sparse and Large Global Information in P2P Networks: A Case for Compressive Sensing
—In this paper we face the following problem: how to provide each peer local access to the full information (not just a summary) that is distributed over all edges of an overlay ...
Rossano Gaeta, Marco Grangetto, Matteo Sereno