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- Wei Dai, Olgica Milenkovic
- IEEE Transactions on Information Theory
- 2009

We propose a new method for reconstruction of sparse signals with and without noisy perturbations, termed the subspace pursuit algorithm. The algorithm has two important characteristics: low computational complexity, comparable to that of orthogonal matching pursuit techniques when applied to very sparse signals, and reconstruction accuracy of the same… (More)

- Wei Dai, Youjian Liu, Brian Rider
- IEEE Transactions on Information Theory
- 2008

The Grassmann manifold G<sub>n,p</sub> (L) is the set of all p-dimensional planes (through the origin) in the n-dimensional Euclidean space L<sup>n</sup>, where L is either R or C. This paper considers the quantization problem in which a source in G<sub>n,p</sub> (L) is quantized through a code in G<sub>n,q</sub> (L), with p and q not necessarily the same.… (More)

- Eric P. Xing, Qirong Ho, +7 authors Yaoliang Yu
- IEEE Transactions on Big Data
- 2015

How can one build a distributed framework that allows efficient deployment of a wide spectrum of modern advanced machine learning (ML) programs for industrial-scale problems using Big Models (100s of billions of parameters) on Big Data (terabytes or petabytes)- Contemporary parallelization strategies employ fine-grained operations and scheduling beyond the… (More)

- Wei Dai, Olgica Milenkovic
- ArXiv
- 2008

We propose a new method for reconstruction of sparse signals with and without noisy perturbations, termed the subspace pursuit algorithm. The algorithm has two important characteristics: low computational complexity, comparable to that of orthogonal matching pursuit techniques, and reconstruction accuracy of the same order as that of LP optimization… (More)

- Xiaowei Chen, Wei Dai
- 2011

The concept of uncertain entropy is used to provide a quantitative measurement of the uncertainty associated with uncertain variables. After introducing the definition, this paper gives some examples of entropy of uncertain variables. Furthermore this paper proposes the maximum entropy principle for uncertain variables, that is, out of all the uncertainty… (More)

- Wei Dai, Jinliang Wei, +5 authors Eric P. Xing
- ArXiv
- 2013

A major bottleneck to applying advanced ML programs at industrial scales is the migration of an academic implementation, often specialized for a small, well-controlled computer platform such as desktop PCs and small lab-clusters, to a big, less predicable platform such as a corporate cluster or the cloud. This poses enormous challenges: how does one train… (More)

- David H Morgan, Lee Turnpenny, +11 authors Tom Strachan
- Nature genetics
- 1998

Visceral left-right asymmetry occurs in all vertebrates, but the inversion of embryo turning (inv) mouse, which resulted following a random transgene insertion, is the only model in which these asymmetries are consistently reversed. We report positional cloning of the gene underlying this recessive phenotype. Although transgene insertion was accompanied by… (More)

- Shaohua Zhao, Fang-Cheng Hung, +5 authors Paul A . Overbeek
- Development
- 2001

During vertebrate embryogenesis, the neuroectoderm differentiates into neural tissues and also into non-neural tissues such as the choroid plexus in the brain and the retinal pigment epithelium in the eye. The molecular mechanisms that pattern neural and non-neural tissues within the neuroectoderm remain unknown. We report that FGF9 is normally expressed in… (More)

- Wei Dai, Xiaowei Chen
- Mathematical and Computer Modelling
- 2012

- Qi Wang, Tongyi Liu, +8 authors Wei Dai
- Blood
- 2004

The physiologic function of BUBR1, a key component of the spindle checkpoint, was examined by generating BUBR1-mutant mice. BUBR1(-/-) embryos failed to survive beyond day 8.5 in utero as a result of extensive apoptosis. Whereas BUBR1(+/-) blastocysts grew relatively normally in vitro, BUBR1(-/-) blastocysts exhibited impaired proliferation and atrophied.… (More)