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KDD
2008
ACM
120views Data Mining» more  KDD 2008»
14 years 10 months ago
Multi-class cost-sensitive boosting with p-norm loss functions
We propose a family of novel cost-sensitive boosting methods for multi-class classification by applying the theory of gradient boosting to p-norm based cost functionals. We establ...
Aurelie C. Lozano, Naoki Abe
KDD
2003
ACM
120views Data Mining» more  KDD 2003»
14 years 10 months ago
On detecting differences between groups
Understanding the differences between contrasting groups is a fundamental task in data analysis. This realization has led to the development of a new special purpose data mining t...
Geoffrey I. Webb, Shane M. Butler, Douglas A. Newl...
CHI
2008
ACM
14 years 10 months ago
MightyTrace: multiuser tracking technology on lc-displays
In this paper, we present a new technology to perform multi Tangible User Interface (TUI) tracking on standard LCdisplays. A lot of existing technologies for tangible user interfa...
Ramon Hofer, Patrick Kaplan, Andreas Kunz
STOC
2003
ACM
102views Algorithms» more  STOC 2003»
14 years 10 months ago
Some 3CNF properties are hard to test
For a Boolean formula on n variables, the associated property P is the collection of n-bit strings that satisfy . We study the query complexity of tests that distinguish (with hig...
Eli Ben-Sasson, Prahladh Harsha, Sofya Raskhodniko...
PERCOM
2005
ACM
14 years 9 months ago
Secure context-sensitive authorization
There is a recent trend toward rule-based authorization systems to achieve flexible security policies. Also, new sensing technologies in pervasive computing make it possible to de...
Kazuhiro Minami, David Kotz