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CVPR
2011
IEEE
14 years 2 months ago
Generalized Group Sparse Classifiers with Application in fMRI Brain Decoding
The perplexing effects of noise and high feature dimensionality greatly complicate functional magnetic resonance imaging (fMRI) classification. In this paper, we present a novel f...
Bernard Ng, Rafeef Abugharbieh
ICASSP
2011
IEEE
14 years 2 months ago
Robust nonparametric regression by controlling sparsity
Nonparametric methods are widely applicable to statistical learning problems, since they rely on a few modeling assumptions. In this context, the fresh look advocated here permeat...
Gonzalo Mateos, Georgios B. Giannakis
ACL
2011
14 years 2 months ago
In-domain Relation Discovery with Meta-constraints via Posterior Regularization
We present a novel approach to discovering relations and their instantiations from a collection of documents in a single domain. Our approach learns relation types by exploiting m...
Harr Chen, Edward Benson, Tahira Naseem, Regina Ba...
ACNS
2011
Springer
237views Cryptology» more  ACNS 2011»
14 years 2 months ago
Private Discovery of Common Social Contacts
The increasing use of computing devices for social interactions propels the proliferation of online social applications, yet, it prompts a number of privacy concerns. One common p...
Emiliano De Cristofaro, Mark Manulis, Bertram Poet...
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CHI
2011
ACM
14 years 2 months ago
Brick by brick: iterating interventions to bridge the achievement gap with virtual peers
We lay out one strand of a continuing investigation into the development of a virtual peer to help children learn to use “school English” and “school-ratified science talk...
Emilee Rader, Margaret Echelbarger, Justine Cassel...