Institution
North Carolina State University
Education•Raleigh, North Carolina, United States•
About: North Carolina State University is a education organization based out in Raleigh, North Carolina, United States. It is known for research contribution in the topics: Population & Thin film. The organization has 44161 authors who have published 101744 publications receiving 3456774 citations. The organization is also known as: NCSU & North Carolina State University at Raleigh.
Topics: Population, Thin film, Gene, Context (language use), Computer science
Papers published on a yearly basis
Papers
More filters
••
01 Oct 2010TL;DR: This paper presents a novel PRedictive Elastic reSource Scaling (PRESS) scheme for cloud systems that unobtrusively extracts fine-grained dynamic patterns in application resource demands and adjust their resource allocations automatically.
Abstract: Cloud systems require elastic resource allocation to minimize resource provisioning costs while meeting service level objectives (SLOs). In this paper, we present a novel PRedictive Elastic reSource Scaling (PRESS) scheme for cloud systems. PRESS unobtrusively extracts fine-grained dynamic patterns in application resource demands and adjust their resource allocations automatically. Our approach leverages light-weight signal processing and statistical learning algorithms to achieve online predictions of dynamic application resource requirements. We have implemented the PRESS system on Xen and tested it using RUBiS and an application load trace from Google. Our experiments show that we can achieve good resource prediction accuracy with less than 5% over-estimation error and near zero under-estimation error, and elastic resource scaling can both significantly reduce resource waste and SLO violations.
591 citations
••
TL;DR: This Review describes the current knowledge of how geminiviruses interact with their plant hosts and the functional consequences of these interactions.
Abstract: The family Geminiviridae is one of the largest and most important families of plant viruses. The small, single-stranded DNA genomes of geminiviruses encode 5-7 proteins that redirect host machineries and processes to establish a productive infection. These interactions reprogramme plant cell cycle and transcriptional controls, inhibit cell death pathways, interfere with cell signalling and protein turnover, and suppress defence pathways. This Review describes our current knowledge of how geminiviruses interact with their plant hosts and the functional consequences of these interactions.
590 citations
••
TL;DR: Study on the mechanism(s) of pollen digestion remain inconclusive, but suggest that differences in digestibility among pollen types may reflect differences in pollen wall porosity, thickness, and composition.
Abstract: This paper reviews the literature concerning digestion and nutrient content of pollen. Four topics are addressed in detail: 1) The mechanism of pollen digestion by animals; 2) The efficiency of mechanical and digestive removal of pollen content by various animals; 3) Range and taxonomic distribution of pollen nutrients, and 4) Adaptive hypotheses proposed to associate pollen chemistry with pollinator reward. Studies on the mechanism(s) of pollen digestion remain inconclusive, but suggest that differences in digestibility among pollen types may reflect differences in pollen wall porosity, thickness, and composition. Although hummingbirds reportedly digest pollen very poorly, most animals studied, including those that do not regularly consume pollen, can digest 50–100% of ingested grains. Overlooked and recent research of pollen protein content shows that pollen grains may contain over 60% protein, double the amount cited in some studies of pollen-feeding animals. Adaptive hypotheses that associate pollen starch and pollen caloric content with pollinator reward remain unsubstantiated when critically viewed through the lens of phylogeny.
590 citations
••
California State University, Bakersfield1, University of Alabama2, Field Museum of Natural History3, University of Bristol4, University of Texas at Austin5, University of Chicago6, University of Nebraska–Lincoln7, University of California, Berkeley8, University of Tokyo9, American Museum of Natural History10, University of Tübingen11, North Carolina State University12, North Carolina Museum of Natural Sciences13, Instituto Butantan14, Dartmouth College15, University of North Carolina at Wilmington16, University College London17, University of California, Santa Cruz18, Humboldt University of Berlin19, Southern Methodist University20, University of Calgary21
TL;DR: A specimen-based protocol for selecting and documenting relevant fossils is presented and future directions for evaluating and utilizing phylogenetic and temporal data from the fossil record are discussed, to establish the best practices for justifying fossils used for the temporal calibration of molecular phylogenies.
Abstract: At this time, no abstract is available. SciVerse Scopus has content delivery agreements in place with each publisher and currently contains 30 million records with an abstract. An abstract may not be present due to incomplete data, as supplied by the publisher, or is still in the process of being indexed.
589 citations
••
TL;DR: A detailed analysis reveals that the COSSO does model selection by applying a novel soft thresholding type operation to the function components, which leads naturally to an iterative algorithm.
Abstract: We propose a new method for model selection and model fitting in multivariate nonparametric regression models, in the framework of smoothing spline ANOVA. The "COSSO" is a method of regularization with the penalty functional being the sum of component norms, instead of the squared norm employed in the traditional smoothing spline method. The COSSO provides a unified framework for several recent proposals for model selection in linear models and smoothing spline ANOVA models. Theoretical properties, such as the existence and the rate of convergence of the COSSO estimator, are studied. In the special case of a tensor product design with periodic functions, a detailed analysis reveals that the COSSO does model selection by applying a novel soft thresholding type operation to the function components. We give an equivalent formulation of the COSSO estimator which leads naturally to an iterative algorithm. We compare the COSSO with MARS, a popular method that builds functional ANOVA models, in simulations and real examples. The COSSO method can be extended to classification problems and we compare its performance with those of a number of machine learning algorithms on real datasets. The COSSO gives very competitive performance in these studies.
588 citations
Authors
Showing all 44525 results
Name | H-index | Papers | Citations |
---|---|---|---|
Yi Cui | 220 | 1015 | 199725 |
Jing Wang | 184 | 4046 | 202769 |
Rodney S. Ruoff | 164 | 666 | 194902 |
Carlos Bustamante | 161 | 770 | 106053 |
David W. Johnson | 160 | 2714 | 140778 |
Joseph Wang | 158 | 1282 | 98799 |
David Tilman | 158 | 340 | 149473 |
Jay Hauser | 155 | 2145 | 132683 |
James M. Tour | 143 | 859 | 91364 |
Joseph T. Hupp | 141 | 731 | 82647 |
Bin Liu | 138 | 2181 | 87085 |
Rudolph E. Tanzi | 135 | 638 | 85376 |
Richard C. Boucher | 129 | 490 | 54509 |
David B. Allison | 129 | 836 | 69697 |
Robert W. Heath | 128 | 1049 | 73171 |