3937 search results - page 419 / 788 » Questioning Ubiquitous Computing |
199
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FOCS
2009
IEEE
16 years 1 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 ...
178
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ATAL
2007
Springer
16 years 20 days ago
2007
Springer
Determining the provenance of data, i.e. the process that led to that data, is vital in many disciplines. For example, in science, the process that produced a given result must be...
148
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BIRTHDAY
2005
Springer
16 years 22 hour ago
2005
Springer
This paper addresses the question of factoring a logic into families of (generally simpler) components, estimating the top– down perspective, splitting, versus the bottom–up, s...
169
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PODC
2010
ACM
15 years 10 months ago
2010
ACM
Consider an n-vertex graph G = (V, E) of maximum degree ∆, and suppose that each vertex v ∈ V hosts a processor. The processors are allowed to communicate only with their neig...
198
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ESORICS
2010
Springer
15 years 7 months ago
2010
Springer
Fair exchange is one of the most fundamental problems in secure distributed computation. Alice has something that Bob wants, and Bob has something that Alice wants. A fair exchang...