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177
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KDD
2009
ACM
16 years 7 months ago
2009
ACM
We propose two approximation algorithms for identifying communities in dynamic social networks. Communities are intuitively characterized as "unusually densely knit" sub...
175
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EWSN
2009
Springer
16 years 7 months ago
2009
Springer
As many radio chips used in today's sensor mote hardware can work at different frequencies, several multi-channel communication protocols have recently been proposed to improv...
176
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KDD
2008
ACM
16 years 7 months ago
2008
ACM
This paper addresses the repeated acquisition of labels for data items when the labeling is imperfect. We examine the improvement (or lack thereof) in data quality via repeated la...
209
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KDD
2007
ACM
16 years 7 months ago
2007
ACM
In this paper, we introduce and study the Minimum Consistent Subset Cover (MCSC) problem. Given a finite ground set X and a constraint t, find the minimum number of consistent sub...
188
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CHI
2007
ACM
16 years 7 months ago
2007
ACM
Augmented Chemistry (AC) is an application that utilizes a tangible user interface (TUI) for organic chemistry education. The empirical evaluation described in this paper compares...