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KDD
2005
ACM
118views Data Mining» more  KDD 2005»
16 years 7 months ago
On the use of linear programming for unsupervised text classification
We propose a new algorithm for dimensionality reduction and unsupervised text classification. We use mixture models as underlying process of generating corpus and utilize a novel,...
Mark Sandler
KDD
2004
ACM
190views Data Mining» more  KDD 2004»
16 years 7 months ago
Kernel k-means: spectral clustering and normalized cuts
Kernel k-means and spectral clustering have both been used to identify clusters that are non-linearly separable in input space. Despite significant research, these methods have re...
Inderjit S. Dhillon, Yuqiang Guan, Brian Kulis
CHI
2008
ACM
16 years 7 months ago
Ubipay: conducting everyday payments with minimum user involvement
As services embedded into public spaces become increasingly transparent, one peripheral aspect of use continues to demand explicit user attention: payment. UbiPay is a system that...
Vili Lehdonvirta, Hayuru Soma, Hitoshi Ito, Hiroak...
CHI
2007
ACM
16 years 7 months ago
Testing the technology: playing games with video conferencing
Video connections can establish a media space in which games may be played, just as people play games while collocated. Experiments with participants playing the game `Mafia'...
Archer L. Batcheller, Brian Hilligoss, Kevin Nam, ...
CHI
2007
ACM
16 years 7 months ago
Move to improve: promoting physical navigation to increase user performance with large displays
In navigating large information spaces, previous work indicates potential advantages of physical navigation (moving eyes, head, body) over virtual navigation (zooming, panning, fl...
Robert Ball, Chris North, Doug A. Bowman