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187
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COLT
2006
Springer
15 years 10 months ago
2006
Springer
Abstract. The regularization functional induced by the graph Laplacian of a random neighborhood graph based on the data is adaptive in two ways. First it adapts to an underlying ma...
173
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COLT
2006
Springer
15 years 10 months ago
2006
Springer
Abstract. We present an improved version of random projections that takes advantage of marginal norms. Using a maximum likelihood estimator (MLE), marginconstrained random projecti...
173
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COLT
2006
Springer
15 years 10 months ago
2006
Springer
We design algorithms for two online variance minimization problems. Specifically, in every trial t our algorithms get a covariance matrix Ct and try to select a parameter vector wt...
169
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EDUTAINMENT
2006
Springer
15 years 10 months ago
2006
Springer
Abstract. We describe in this paper an experimental setting for browsing and reading simultaneously multiple digital documents. An hemispherical visualization device is used to imm...
131
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ECTEL
2008
Springer
15 years 8 months ago
2008
Springer
In this paper we introduce the architecture of the script engine of a collaborative co-located discussion support system, named CoFFEE, and, in particular, we describe its extendib...