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NDSS
2005
IEEE
14 years 2 months ago
Rekeying and Storage Cost for Multiple User Revocation
In this paper, we focus on tradeoffs between storage cost and rekeying cost for secure multicast. Specifically, we present a family of algorithms that provide a tradeoff betwee...
Sandeep S. Kulkarni, Bezawada Bruhadeshwar
CLUSTER
2004
IEEE
14 years 16 days ago
Predicting memory-access cost based on data-access patterns
Improving memory performance at software level is more effective in reducing the rapidly expanding gap between processor and memory performance. Loop transformations (e.g. loop un...
Surendra Byna, Xian-He Sun, William Gropp, Rajeev ...
IJISEC
2010
114views more  IJISEC 2010»
13 years 6 months ago
A new hardware-assisted PIR with O(n) shuffle cost
Abstract Since the concept of private information retrieval (PIR) was first formalized by Chor et. al, various constructions have been proposed with a common goal of reducing commu...
Xuhua Ding, Yanjiang Yang, Robert H. Deng, Shuhong...
ADC
2004
Springer
79views Database» more  ADC 2004»
14 years 2 months ago
Performance and Cost Tradeoffs in Web Search.
Web search engines crawl the web to fetch the data that they index. In this paper we re-examine that need, and evaluate the network costs associated with data acquisition, and alt...
Nick Craswell, Francis Crimmins, David Hawking, Al...
EMNLP
2004
13 years 10 months ago
Active Learning and the Total Cost of Annotation
Active learning (AL) promises to reduce the cost of annotating labeled datasets for trainable human language technologies. Contrary to expectations, when creating labeled training...
Jason Baldridge, Miles Osborne