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» The Graham-Knowlton Problem Revisited
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INFOCOM
2011
IEEE
12 years 11 months ago
Pricing-based spectrum access control in cognitive radio networks with random access
Abstract—Market-based mechanisms offer promising approaches for spectrum access in cognitive radio networks. In this paper, we focus on two market models, one with a monopoly pri...
Lei Yang, Hongseok Kim, Junshan Zhang, Mung Chiang...
ICDE
2008
IEEE
190views Database» more  ICDE 2008»
14 years 9 months ago
Adaptive Segmentation for Scientific Databases
In this paper we explore database segmentation in the context of a column-store DBMS targeted at a scientific database. We present a novel hardware- and scheme-oblivious segmentati...
Milena Ivanova, Martin L. Kersten, Niels Nes
WWW
2006
ACM
14 years 8 months ago
Random sampling from a search engine's index
We revisit a problem introduced by Bharat and Broder almost a decade ago: how to sample random pages from the corpus of documents indexed by a search engine, using only the search...
Ziv Bar-Yossef, Maxim Gurevich
CCS
2009
ACM
14 years 8 months ago
Hidden credential retrieval from a reusable password
We revisit the venerable question of access credentials management, which concerns the techniques that we, humans with limited memory, must employ to safeguard our various access ...
Xavier Boyen
TCC
2009
Springer
130views Cryptology» more  TCC 2009»
14 years 8 months ago
How Efficient Can Memory Checking Be?
We consider the problem of memory checking, where a user wants to maintain a large database on a remote server but has only limited local storage. The user wants to use the small ...
Cynthia Dwork, Moni Naor, Guy N. Rothblum, Vinod V...