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FOCS
2009
IEEE
14 years 5 months ago
2009
IEEE
Abstract— We consider the problem of estimating cascaded aggregates over a matrix presented as a sequence of updates in a data stream. A cascaded aggregate P ◦Q is defined by ...
IPPS
2009
IEEE
14 years 4 months ago
2009
IEEE
A reduction is a computation in which a common operation, such as a sum, is to be performed across multiple pieces of data, each supplied by a separate task. We introduce phaser a...
SIGECOM
2009
ACM
14 years 4 months ago
2009
ACM
We study protocols to enable one user (the principal) to make potentially profitable but risky interactions with another user (the agent), in the absence of direct trust between ...
VRST
2009
ACM
14 years 4 months ago
2009
ACM
This paper presents a markerless tracking technique targeted to the Windows Mobile Pocket PC platform. The primary aim of this work is to allow the development of standalone augme...
ECTEL
2007
Springer
14 years 4 months ago
2007
Springer
Blogs have the aordance to become an integral part of teaching and learning processes as a vehicle for knowledge management. Open, exible systems integrating blogs provide user-f...