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Guo Wensheng W School of Computer Science and Engineering, University of Electronic Science and Technology of China, Chengdu, Sichuan, China; Electrical Engineering Department, University of California Los Angeles, Los Angeles, California, United States of - - 2014
In biological systems, the dynamic analysis method has gained increasing attention in the past decade. The Boolean network is the most common model of a genetic regulatory network. The interactions of activation and inhibition in the genetic regulatory network are modeled as a set of functions of the Boolean network, ...
Minamino Ryoko R Nikko Botanical Garden, Graduate School of Science, The University of Tokyo, Nikko, Tochigi, - - 2014
This study examined Leonardo da Vinci's rule (i.e., the sum of the cross-sectional area of all tree branches above a branching point at any height is equal to the cross-sectional area of the trunk or the branch immediately below the branching point) using simulations based on two biomechanical models: the ...
Pilato Giovanni G Department of Biological, Geological and Environmental Sciences, University of Catania, Via Androne 81 95124, Catania (Italy); Email: - - 2014
Two new species of tardigrades are described from Sicilian moss samples: Macrobiotus insuetus sp. nov. and Diphascon (Diphascon) procerum sp. nov.        Macrobiotus insuetus sp. nov. is a species of the harmsworthi-group characterized by both posterior and anterior claws of the hind legs, which are different in shape from those of ...
Dokeroglu Tansel T METU Computer Engineering Department, Cankaya, 06800 Ankara, - - 2014
With the advent of Cloud databases, query optimizers need to find paretooptimal solutions in terms of response time and monetary cost. Our novel approach minimizes both objectives by deploying alternative virtual resources and query plans making use of the virtual resource elasticity of the Cloud. We propose an exact multiobjective ...
Qin Li-Xuan LX Department of Epidemiology and Biostatistics, Memorial Sloan Kettering Cancer Center, New York, New York, United States of - - 2014
MicroRNA arrays possess a number of unique data features that challenge the assumption key to many normalization methods. We assessed the performance of existing normalization methods using two microRNA array datasets derived from the same set of tumor samples: one dataset was generated using a blocked randomization design when assigning ...
Wolfe Edward W EW Pearson, 3974 Roberts Ridge NE, Iowa City, IA 52240, USA, - - 2014
A large body of literature exists describing how rater effects may be detected in rating data. In this study, we compared the flag and agreement rates for several rater effects based on calibration of a real data under two psychometric models-the Rasch rating scale model (RSM) and the Rasch testlet-based ...
Zhang Yongjun Y School of Remote Sensing and Information Engineering, Wuhan University, Wuhan 430079, China. - - 2014
In the midst of the rapid developments in electronic instruments and remote sensing technologies, airborne three-line array sensors and their applications are being widely promoted and plentiful research related to data processing and high precision geo-referencing technologies is under way. The exterior orientation parameters (EOPs), which are measured by the ...
Zhang Yan Y College of Computer Science and Technology, Nanjing University of Science and Technology (NUST), Nanjing 210094, China ; College of Information Technology, Jinling Institute of Technology (JIT), Nanjing 211169, - - 2014
Accurate and effective voice activity detection (VAD) is a fundamental step for robust speech or speaker recognition. In this study, we proposed a hierarchical framework approach for VAD and speech enhancement. The modified Wiener filter (MWF) approach is utilized for noise reduction in the speech enhancement block. For the feature ...
Miller Rebecca R RR Institute of Marine Sciences, University of California Santa Cruz, Santa Cruz, California, United States of America; Fisheries Ecology Division, Southwest Fisheries Science Center, National Marine Fisheries Service, National Oceanic and Atmospheric Administration, Santa Cruz, California, United States of - - 2014
During the past century, commercial fisheries have expanded from small vessels fishing in shallow, coastal habitats to a broad suite of vessels and gears that fish virtually every marine habitat on the globe. Understanding how fisheries have developed in space and time is critical for interpreting and managing the response ...
Schweitzer M M UMIT - University for Health Sciences, Medical Informatics and Technology , Research Division for eHealth and Telemedicine, Hall in Tirol, - - 2014
Electronic health records (EHRs) play an important role in the treatment of chronic diseases such as diabetes mellitus. Although the interoperability and selected functionality of EHRs are already addressed by a number of standards and best practices, such as IHE or HL7, the majority of these systems are still monolithic ...
Dehmer Matthias M Department of Computer Science, Universität der Bundeswehr München, Neubiberg, Germany; Institute for Bioinformatics and Translational Research, UMIT, Hall in Tyrol, - - 2014
In this paper, we introduce the Hosoya-Spectral indices and the Hosoya information content of a graph. The first measure combines structural information captured by partial Hosoya polynomials and graph spectra. The latter is a graph entropy measure which is based on blocks consisting of vertices with the same partial Hosoya ...
Guo Yina Y Institute of Robotics and Automatic Information Systems, Nankai University, Tianjin, - - 2014
Recent experimental work in lung morphogenesis has described an elegant pattern of branching phenomena. Two primary forms of branching have been identified: side branching and tip splitting. In our previous study of lung branching morphogenesis, we used a 4 variable partial differential equation (PDE), due to Meinhardt, as our mathematical ...
Fanwoua Julienne J UMR 1345 Institut de Recherche en Horticulture et Semences, AGROCAMPUS OUEST-Centre d'Angers, Angers - - 2014
Understanding the role of branch architecture in carbon production and allocation is essential to gain more insight into the complex process of assimilate partitioning in fruit trees. This mini review reports on the current knowledge of the role of branch architecture in carbohydrate production and partitioning in apple. The first-order ...
Aono Masashi M Earth-Life Science Institute, Tokyo Institute of Technology, 2-12-1 Ookayama, Meguro-ku, Tokyo 152-8550, Japan.; PRESTO, Japan Science and Technology Agency, 4-1-8 Honcho, Kawaguchi-shi, Saitama 332-0012, - - 2013
The true slime mold Physarum polycephalum, a single-celled amoeboid organism, is capable of efficiently allocating a constant amount of intracellular resource to its pseudopod-like branches that best fit the environment where dynamic light stimuli are applied. Inspired by the resource allocation process, the authors formulated a concurrent search algorithm, called ...
Dohrmann Martin M Ludwig-Maximilians-University Munich, Department of Earth & Environmental Sciences, Palaeontology & Geobiology, Molecular Geo- & Palaeobiology Lab, Richard-Wagner-Str. 10, 80333 Munich, Germany. Electronic address: - - 2013
Genes coding for ribosomal RNA molecules (rDNA) are among the most popular markers in molecular phylogenetics and evolution. However, coevolution of sites that code for pairing regions (stems) in the RNA secondary structure can make it challenging to obtain accurate results from such loci. While the influence of ignoring secondary ...
Hannon Adam F AF Department of Materials Science and Engineering, Massachusetts Institute of Technology , Cambridge, Massachusetts 02139, United - - 2013
An inverse design algorithm has been developed that predicts the necessary topographical template needed to direct the self-assembly of a diblock copolymer to produce a given complex target structure. The approach is optimized by varying the number of topographical posts, post size, and block copolymer volume fraction to yield a ...
Crandall David J - - 2013
Recent work in structure from motion (SfM) has built 3D models from large collections of images downloaded from the Internet. Many approaches to this problem use incremental algorithms that solve progressively larger bundle adjustment problems. These incremental techniques scale poorly as the image collection grows, and can suffer from drift ...
Zhuang Jiancang J The Institute of Statistical Mathematics, Research Organization of Information and Systems, Tokyo 190-8562, Japan and Department of Statistical Science, The Graduate University for Advanced Studies, Tokyo 190-8562, - - 2013
We study the stability conditions of a class of branching processes prominent in the analysis and modeling of seismicity. This class includes the epidemic-type aftershock sequence (ETAS) model as a special case, but more generally comprises models in which the magnitude distribution of direct offspring depends on the magnitude of ...
Baetu Tudor M - - 2013
A survey of models in immunology is conducted and distinct kinds of models are characterized based on whether models are material or conceptual, the distinctiveness of their epistemic purpose, and the criteria for evaluating the goodness of a model relative to its intended purpose. I argue that the diversity of ...
Lee Peter N - - 2013
We attempted to quantify the decline in stroke risk following quitting using the negative exponential model, with methodology previously employed for IHD. We identified 22 blocks of RRs (from 13 studies) comparing current smokers, former smokers (by time quit) and never smokers. Corresponding pseudo-numbers of cases and controls/at risk formed ...
Krzakala Florent - - 2013
Spectral algorithms are classic approaches to clustering and community detection in networks. However, for sparse networks the standard versions of these algorithms are suboptimal, in some cases completely failing to detect communities even when other algorithms such as belief propagation can do so. Here, we present a class of spectral ...
Shan Zuyao Y - - 2013
The hemodynamic response function (HRF) describes the local response of brain vasculature to functional activation. Accurate HRF modeling enables the investigation of cerebral blood flow regulation and improves our ability to interpret fMRI results. Block designs have been used extensively as fMRI paradigms because detection power is maximized; however, block ...
Untersteggaber Lucien L Department of Integrative Zoology, Faculty of Life Sciences, University of Vienna, Althanstrasse 14, 1090 Vienna, - - 2014
Gobiid fishes of the genus Gobiodon live in strong association with certain reef-building corals that vary considerably in size and architecture. These fishes hence are excellent model systems for studying evolutionary adaption to specific microhabitats. Using a sample of Gobiodon histrio and G. rivulatus and their most important host corals ...
Guo Yina - - 2013
Recent experimental work has described an elegant pattern of branching in the development of the lung. Multiple forms of branching have been identified, including side branching and tip bifurcation. A particularly interesting feature is the phenomenon of 'orthogonal rotation of the branching plane'. The lung must fill 3D space with ...
Drijfhout Sybren S Department of Climate Research, Royal Netherlands Meteorological Institute, 3730AE, De Bilt, The - - 2013
Abrupt climate change is abundant in geological records, but climate models rarely have been able to simulate such events in response to realistic forcing. Here we report on a spontaneous abrupt cooling event, lasting for more than a century, with a temperature anomaly similar to that of the Little Ice ...
Moretti Sébastien S Department of Ecology and Evolution, Biophore, University of Lausanne, CH-1015 Lausanne, Switzerland, Evolutionary Bioinformatics group, SIB Swiss Institute of Bioinformatics, CH-1015 Lausanne, Switzerland, Vital-IT group, SIB Swiss Institute of Bioinformatics, CH-1015 Lausanne, Switzerland, Computational Phylogenetics group, SIB Swiss Institute of Bioinformatics, CH-1015 Lausanne, Switzerland, Division of Biosciences, Institute of Structural and Molecular Biology, University College London, Gower Street, London, WC1E 6BT, UK and Swiss National Supercomputing Centre (CSCS), CH-6900, Lugano, - - 2014
Selectome (http://selectome.unil.ch/) is a database of positive selection, based on a branch-site likelihood test. This model estimates the number of nonsynonymous substitutions (dN) and synonymous substitutions (dS) to evaluate the variation in selective pressure (dN/dS ratio) over branches and over sites. Since the original release of Selectome, we have benchmarked ...
Schouteden Martijn - - 2013
Behavioral researchers often obtain information about the same set of entities from different sources. A main challenge in the analysis of such data is to reveal, on the one hand, the mechanisms underlying all of the data blocks under study and, on the other hand, the mechanisms underlying a single ...
Cristi Roberto - - 2013
A nonorthogonal model for 2D signals with rotational components is presented, which enables estimation of phase values from observations of its local gradients. In this research, the rotational components are caused by the presence of branch points, which indicates phase wrapping. Using the proposed model, the phase is estimated using ...
Pacheco Larissa Ferreira LF Department of Pediatric Dentistry, Piracicaba School of Dentistry, UNICAMP - University of Campinas, PiracicabaSP, - - 2013
This study evaluated structural and molecular issues of dentin caries-like lesions produced by different artificial models (ACL) compared with natural caries lesions (NCL). One hundred twenty-four sound occlusal dentin blocks and 47 carious blocks were obtained and surface hardness was analyzed (SH1). They were assigned to groups according to ACL: ...
Ponce-de-Léon Miguel - - 2013
Metabolic reconstruction is the computational-based process that aims to elucidate the network of metabolites interconnected through reactions catalyzed by activities assigned to one or more genes. Reconstructed models may contain inconsistencies that appear as gap metabolites and blocked reactions. Although automatic methods for solving this problem have been previously developed, ...
Djuric Jovicic Milica - - 2013
Alternation of walking pattern decreases quality of life and may result in falls and injuries. Freezing of gait (FOG) in Parkinson's disease (PD) patients occurs occasionally and intermittently, appearing in a random, inexplicable manner. In order to detect typical disturbances during walking, we designed an expert system for automatic classification ...
Duncan Dustin T - - 2014
Measurements of neighborhood exposures likely vary depending on the definition of "neighborhood" selected. This study examined the extent to which neighborhood definition influences findings regarding spatial accessibility to tobacco retailers among youth. We defined spatial accessibility to tobacco retailers (i.e., tobacco retail density, closest tobacco retailer, and average distance to ...
Chen Youhua - - 2013
In this study, based on phylogenetic diversity (PD), I performed a conservation strategy for Galliformes species around the world. A cladogram of 197 Galliformes species derived from a previous study was used for calculating PD metrics. Branch length is an important aspect of the phylogenetic information a tree can convey, ...
Lu Ashley - - 2013
The branch-site model is a widely popular approach that accommodates for the lineage- and the site-specific heterogeneity of natural selection regimes among coding sequences. This model relies on prior knowledge of the (foreground) lineage(s) evolving under positive selection at some sites. Unfortunately, such prior information is not always available in ...
San Phyo Phyo - - 2013
This paper focuses on the hybridization technology using rough sets concepts and neural computing for decision and classification purposes. Based on the rough set properties, the lower region and boundary region are defined to partition the input signal to a consistent (predictable) part and an inconsistent (random) part. In this ...
Koh P P - - 2013
Gap acceptance of violating pedestrians was studied at seven stretches of signalised pedestrian crossings in Singapore. The provision of the traffic light signals provide a 'safer' crossing option to these pedestrians, as compared to uncontrolled crossings and mid-block arterial roads. However, there are still people choosing to cross at the ...
Heled Joseph - - 2013
Bayesian phylogenetic analysis generates a set of trees which are often condensed into a single treerepresenting the whole set. Many methods exist for selecting a representative topology for a setof unrooted trees, few exist for assigning branch lengths to a fixed topology, and even fewer forsimultaneously setting the topology and ...
Moore Ryan T - - 2013
In typical political experiments, researchers randomize a set of households, precincts, or individuals to treatments all at once, and characteristics of all units are known at the time of randomization. However, in many other experiments, subjects "trickle in" to be randomized to treatment conditions, usually via complete randomization. To take ...
Buttenheim Alison M - - 2013
High rates of household participation are critical to the success of door-to-door vector control campaigns. We used the Health Belief Model to assess determinants of participation, including neighbour participation as a cue to action, in a Chagas disease vector control campaign in Peru. We evaluated clustering of participation among neighbours; ...
Massoudieh Arash - - 2013
A Bayesian parameter estimation approach is developed for the estimation of joint probability distribution functions for colloid and bacterial fate and transport model parameters describing breakthrough curves (BTCs) obtained through porous media column studies, and is applied to data involving different ionic strength solutions to fit models of differing complexity. ...
Xiang Shuo - - 2013
Bio-imaging technologies allow scientists to collect large amounts of high-dimensional data from multiple heterogeneous sources for many biomedical applications. In the study of Alzheimer's Disease (AD), neuroimaging data, gene/protein expression data, etc., are often analyzed together to improve predictive power. Joint learning from multiple complementary data sources is advantageous, but ...
Bogacki Rachael - - 2013
A preparatively accessible route to a series of conformationally-locked bicyclic morpholines has been developed. This flexible approach allows for diversification in order for a small array of lead-like scaffolds to be synthesised from readily available key building blocks.
Haller Benjamin C - - 2013
Abstract Divergent adaptation to different environments can promote speciation, and it is thus important to consider spatial structure in models of speciation. Earlier theoretical work, however, has been limited to particularly simple types of spatial structure (linear environmental gradients and spatially discrete metapopulations), leaving unaddressed the effects of more realistic ...
Kergosien Yannick L - - 2013
We describe reversible adaptive trees, a class of stochastic algorithms modified from the formerly described adaptive trees. They evolve in time a finite subset of an ambient Euclidean space of any dimension, starting from a seed point and, accreting points to the evolving set, they grow branches towards a target ...
Mader Malenka - - 2013
Statistical inference of signals is key to understand fundamental processes in the neurosciences. It is essential to distinguish true from random effects. To this end, statistical concepts of confidence intervals, significance levels and hypothesis tests are employed. Bootstrap-based approaches complement the analytical approaches, replacing the latter whenever these are not ...
Zu Jian - - 2013
In this paper, with the methods of adaptive dynamics and critical function analysis, we investigate the evolutionary branching phenomenon of predator species. We assume that both the prey and predators are density-dependent and the predator's attack ability can adaptively evolve, but this has a cost in terms of its death ...
Winkler Marco - - 2013
Conventionally, pairwise relationships between nodes are considered to be the fundamental building blocks of complex networks. However, over the last decade, the overabundance of certain subnetwork patterns, i.e., the so-called motifs, has attracted much attention. It has been hypothesized that these motifs, instead of links, serve as the building blocks ...
Johnston Barbara M - - 2013
A method for accurately finding cardiac bidomain conductivity parameters is a crucial part of efforts to study and understand the electrical functioning of the heart. The bidomain model considers current flowing along (longitudinal) and across (transverse) sheets of cardiac fibres, as well as between these sheets (normal), in both the ...
Zhang Xinfeng - - 2013
Block transform coded images usually suffer from annoying artifacts at low bit rates, caused by the coarse quantization of transform coefficients. In this paper, we propose a new method to reduce compression artifacts by overlapped-block transform coefficient estimation from non-local blocks. In the proposed method, the DCT coefficients of each ...
Miekley Bettina - - 2013
This study analyzed the methodology and applicability of multivariate cumulative sum (MCUSUM) charts for early mastitis and lameness detection. Data used were recorded on the Karkendamm dairy research farm, Germany, between August 2008 and December 2010. Data of 328 and 315 cows in their first 200 d in milk were ...
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