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» A Computational Model for Message Passing
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WISTP
2007
Springer
14 years 2 months ago
Mobile Phones as Secure Gateways for Message-Based Ubiquitous Communication
Abstract. For ubiquitous communication self-organising adhoc networks become more and more important. We consider mobile phones as appropriate secure gateways to provide access to ...
Walter Bamberger, Oliver Welter, Stephan Spitz
ICALP
2007
Springer
14 years 2 months ago
Lower Bounds for Quantile Estimation in Random-Order and Multi-pass Streaming
We present lower bounds on the space required to estimate the quantiles of a stream of numerical values. Quantile estimation is perhaps the most studied problem in the data stream ...
Sudipto Guha, Andrew McGregor
ICCCN
2008
IEEE
14 years 2 months ago
Sources and Monitors: A Trust Model for Peer-to-Peer Networks
—In this paper, we introduce an objective model of trust in peer-to-peer networks. Based on this model, we develop protocols that can be used by the peers in a peer-to-peer netwo...
Yan Li, Mohamed G. Gouda
CANS
2007
Springer
150views Cryptology» more  CANS 2007»
14 years 2 months ago
Perfectly Secure Message Transmission in Directed Networks Tolerating Threshold and Non Threshold Adversary
Abstract. In this paper we study Perfectly Secure Message Transmission (PSMT) between a sender S and a receiver R, connected in a directed synchronous network through multiple para...
Arpita Patra, Bhavani Shankar, Ashish Choudhary, K...
PC
2008
158views Management» more  PC 2008»
13 years 8 months ago
Application of multistage stochastic programs solved in parallel in portfolio management
We present a multistage model for allocation of financial resources to bond indices in different currencies. The model was tested on historical data of interest and exchange rates...
Mária Lucká, Igor Melichercik, Ladis...