Sciweavers

1170 search results - page 193 / 234
» How Fast Is Too Fast
Sort
View
ICASSP
2011
IEEE
14 years 6 months ago
Beating nyquist through correlations: A constrained random demodulator for sampling of sparse bandlimited signals
Technological constraints severely limit the rate at which analog-todigital converters can reliably sample signals. Recently, Tropp et al. proposed an architecture, termed the ran...
Andrew Harms, Waheed U. Bajwa, A. Robert Calderban...
INFOCOM
2011
IEEE
14 years 6 months ago
Smart sleep: Sleep more to reduce delay in duty-cycled wireless sensor networks
A simple random walk (SRW) has been considered as an effective forwarding method for many applications in wireless sensor networks (WSNs) due to its desirable properties. However...
Chul-Ho Lee, Do Young Eun
EDBT
2011
ACM
231views Database» more  EDBT 2011»
14 years 6 months ago
Data integration with dependent sources
Data integration systems offer users a uniform interface to a set of data sources. Previous work has typically assumed that the data sources are independent of each other; however...
Anish Das Sarma, Xin Luna Dong, Alon Y. Halevy
NAR
2011
189views Computer Vision» more  NAR 2011»
14 years 5 months ago
EDULISS: a small-molecule database with data-mining and pharmacophore searching capabilities
We present the relational database EDULISS (EDinburgh University Ligand Selection System), which stores structural, physicochemical and pharmacophoric properties of small molecule...
Kun-Yi Hsin, Hugh P. Morgan, Steven R. Shave, Andr...
ICCV
2011
IEEE
14 years 2 months ago
Gradient-based learning of higher-order image features
Recent work on unsupervised feature learning has shown that learning on polynomial expansions of input patches, such as on pair-wise products of pixel intensities, can improve the...
Roland Memisevic