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Compressive sampling

by Emmanuel J. Candès , 2006
"... Conventional wisdom and common practice in acquisition and reconstruction of images from frequency data follow the basic principle of the Nyquist density sampling theory. This principle states that to reconstruct an image, the number of Fourier samples we need to acquire must match the desired res ..."
Abstract - Cited by 1441 (15 self) - Add to MetaCart
of scientific interest accurately and sometimes even exactly from a number of samples which is far smaller than the desired resolution of the image/signal, e.g. the number of pixels in the image. It is believed that compressive sampling has far reaching implications. For example, it suggests the possibility

The sources and consequences of embeddedness for the economic performance of organizations: The network effect

by Brian Uzzi - American Sociological Review , 1996
"... In this paper, I attempt to advance the concept of embeddedness beyond the level of a programmatic statement by developing a formulation that specifies how embeddedness and network structure affect economic action. On the basis of existing theory and original ethnographies of 23 apparel firms, I dev ..."
Abstract - Cited by 744 (8 self) - Add to MetaCart
develop a systematic scheme that more fully demarcates the unique features, functions, and sources of embeddedness. From this scheme, I derive a set of refutable implications and test their plausibility, using another data set on the network ties of all better dress apparel firms in the New York apparel

I Tube, You Tube, Everybody Tubes: Analyzing the World’s Largest User Generated Content Video System

by Meeyoung Cha, Haewoon Kwak, Pablo Rodriguez, Yong-yeol Ahn, Sue Moon - In Proceedings of the 5th ACM/USENIX Internet Measurement Conference (IMC’07 , 2007
"... User Generated Content (UGC) is re-shaping the way people watch video and TV, with millions of video producers and consumers. In particular, UGC sites are creating new viewing patterns and social interactions, empowering users to be more creative, and developing new business opportunities. To better ..."
Abstract - Cited by 373 (7 self) - Add to MetaCart
the opportunities to leverage the latent demand for niche videos that are not reached today due to information filtering effects or other system scarcity distortions. Overall, we believe that the results presented in this paper are crucial in understanding UGC systems and can provide valuable information to ISPs

A progressive refinement approach to fast radiosity image generation

by Michael F. Cohen, Shenchang Eric Chen, John R. Wallace, Donald P. Greenberg - Computer Graphics , 1988
"... A reformulated radiosity algorithm is presented that produces initial images in time linear to the number of patches. The enormous memory costs of the radiosity algorithm are also elim-inated by computing form-factors on-the-fly. The technique is based on the approach of rendering by progressive ref ..."
Abstract - Cited by 266 (5 self) - Add to MetaCart
reach and has implications for the use and development of current and future graphics workstations.

Global and regional climate changes due to black carbon,

by V Ramanathan , G Carmichael - Nat. Geosci., , 2008
"... Figure 1: Global distribution of BC sources and radiative forcing. a, BC emission strength in tons per year from a study by Bond et al. Full size image (42 KB) Review Nature Geoscience 1, 221 -227 (2008 Black carbon in soot is the dominant absorber of visible solar radiation in the atmosphere. Ant ..."
Abstract - Cited by 228 (5 self) - Add to MetaCart
to dimming at the Earth's surface with important implications for the hydrological cycle, and the deposition of black carbon darkens snow and ice surfaces, which can contribute to melting, in particular of Arctic sea ice. Black carbon (BC) is an important part of the combustion product commonly referred

Hot topic: physical-layer network coding

by Shengli Zhang - in Proc. of ACM Mobicom , 2006
"... A main distinguishing feature of a wireless network compared with a wired network is its broadcast nature, in which the signal transmitted by a node may reach several other nodes, and a node may receive signals from several other nodes simultaneously. Rather than a blessing, this feature is treated ..."
Abstract - Cited by 190 (18 self) - Add to MetaCart
A main distinguishing feature of a wireless network compared with a wired network is its broadcast nature, in which the signal transmitted by a node may reach several other nodes, and a node may receive signals from several other nodes simultaneously. Rather than a blessing, this feature is treated

Burch 1991, Minds and Machines 5, pp. 454–465. References

by unknown authors
"... Peirce’s semiotic and its profound and far-reaching implications for the philosophy of mind. ..."
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Peirce’s semiotic and its profound and far-reaching implications for the philosophy of mind.

The Base-Rate Fallacy and its Implications for the Difficulty of Intrusion Detection

by Stefan Axelsson - In Proceedings of the 6th ACM Conference on Computer and Communications Security , 1999
"... Many different demands can be made of intrusion detection systems. An important requirement is that it be effective i.e. that it should detect a substantial percentage of intrusions into the supervised system, while still keeping the false alarm rate at an acceptable level. This paper aims to demons ..."
Abstract - Cited by 133 (3 self) - Add to MetaCart
to achieve a perhaps unattainably low false alarm rate. A selection of reports of intrusion detection performance are reviewed, and the conclusion is reached that there are indications that at least some types of intrusion detection have far to go before they can attain such low false alarm rates.

Dawson-Hughes B. Estimation of optimal serum concentrations of 25-hydroxyvitamin D for multiple health outcomes. Am J Clin Nutr 2006;84:18–28

by Heike A Bischoff-ferrari, Edward Giovannucci, Walter C Willett, Thomas Dietrich, Bess Dawson-hughes
"... Recent evidence suggests that vitamin D intakes above current rec-ommendations may be associated with better health outcomes. However, optimal serum concentrations of 25-hydroxyvitamin D [25(OH)D] have not been defined. This review summarizes evi-dence from studies that evaluated thresholds for seru ..."
Abstract - Cited by 177 (3 self) - Add to MetaCart
and 100 nmol/L (36–40 ng/mL). In most per-sons, these concentrations could not be reached with the currently recommended intakes of 200 and 600 IU vitamin D/d for younger and older adults, respectively. A comparison of vitamin D intakes with achieved serum concentrations of 25(OH)D for the purpose

Self-determination and persistence in a real-life setting: Toward a motivational model of high school dropout.

by Robert J Vallerand , Michelle S Fbrtier , Frederic Guay - Journal of Personality and Social Psychology, , 1997
"... The purpose of this study was to propose and test a motivational model of high school dropout. The model posits that teachers, parents, and the school administration's behaviors toward students influence students' perceptions of competence and autonomy. The less autonomy supportive the so ..."
Abstract - Cited by 183 (19 self) - Add to MetaCart
and students' perceived school competence. The present results have important implications for intrinsic-extrinsic motivation theory and research, gender differences, and the issue of high school dropout. We discuss each of these issues in turn. Implications for Intrinsic-Extrinsic Motivation Theory
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