Search Results
Results 451 - 500 of 5774
< 5 6 7 8 9 10 11 12 13 14 15 >
Batool Komal K National University of Science & Technology, Islamabad, - - 2014
Living systems are associated with Social networks - networks made up of nodes, some of which may be more important in various aspects as compared to others. While different quantitative measures labeled as "centralities" have previously been used in the network analysis community to find out influential nodes in a ...
Bao Guobin G Department of Neurophysiology and Cellular Biophysics, University of Göttingen, Göttingen, Germany; DFG Cluster of Excellence 171, Göttingen, - - 2014
The parameters of experimentally obtained exponentials are usually found by least-squares fitting methods. Essentially, this is done by minimizing the mean squares sum of the differences between the data, most often a function of time, and a parameter-defined model function. Here we delineate a novel method where the noisy data ...
Bowler Mark M San Diego Zoo Global Institute for Conservation Research, Escondido, California, United States of America; School of Psychology, University of St Andrews, St. Andrews, Fife, - - 2014
Primates are frequently hunted in Amazonia. Assessing the sustainability of hunting is essential to conservation planning. The most-used sustainability model, the 'Production Model', and more recent spatial models, rely on basic reproductive parameters for accuracy. These parameters are often crudely estimated. To date, parameters used for the Amazon's most-hunted primate, ...
Wing Alan M AM SyMoN Lab, School of Psychology, University of Birmingham, , Birmingham B152TT, - - 2014
Control of relative timing is critical in ensemble music performance. We hypothesize that players respond to and correct asynchronies in tone onsets that arise from fluctuations in their individual tempos. We propose a first-order linear phase correction model and demonstrate that optimal performance that minimizes asynchrony variance predicts a specific ...
Wu Yongfeng Y 0000-0003-3436-8439 College of Mathematics and Computer Science, Tongling University, Tongling 244000, - - 2014
The authors first present a Rosenthal inequality for sequence of extended negatively dependent (END) random variables. By means of the Rosenthal inequality, the authors obtain some complete moment convergence and mean convergence results for arrays of rowwise END random variables. The results in this paper extend and improve the corresponding ...
Kumar Ravi R Department of Electronics & Communication Engineering, Jaypee University of Engineering & Technology, A.B. Road, Raghogarh, Guna, Madhya Pradesh 473226, - - 2014
Semiblind channel estimation method provides the best trade-off in terms of bandwidth overhead, computational complexity and latency. The result after using multiple input multiple output (MIMO) systems shows higher data rate and longer transmit range without any requirement for additional bandwidth or transmit power. This paper presents the detailed analysis ...
Araújo Rita M RM Interdisciplinary Centre of Marine and Environmental Research (CIIMAR/CIMAR), University of Porto, Porto, - - 2014
Persistence of populations at range edges relies on local population dynamics and fitness, in the case of geographically isolated populations of species with low dispersal potential. Focusing on spatial variations in demography helps to predict the long-term capability for persistence of populations across the geographical range of species' distribution. The ...
Allen Simon J SJ Murdoch University Cetacean Research Unit, Centre for Fish, Fisheries and Aquatic Ecosystems Research, School of Veterinary and Life Sciences, Murdoch University, Murdoch, Western Australia, - - 2014
The bycatch of small cetaceans in commercial fisheries is a global wildlife management problem. We used data from skippers' logbooks and independent observers to assess common bottlenose dolphin (Tursiops truncatus) bycatch patterns between 2003 and 2009 in the Pilbara Trawl Fishery, Western Australia. Both datasets indicated that dolphins were caught ...
Xu Yuan Y 0000-0002-7452-4865 School of Instrument Science and Engineering, Southeast University, Nanjing, China ; Key Laboratory of Micro-Inertial Instrument and Advanced Navigation Technology, Ministry of Education, Nanjing, - - 2014
As the core of the integrated navigation system, the data fusion algorithm should be designed seriously. In order to improve the accuracy of data fusion, this work proposed an adaptive iterated extended Kalman (AIEKF) which used the noise statistics estimator in the iterated extended Kalman (IEKF), and then AIEKF is ...
Lunezzo de Oliveira Rogério R Engenheiro Agrônomo, Mestre em Genética e Melhoramento de Plantas, DuPont do Brasil S.A. Divisão Pioneer Sementes, Rodovia GO 210 km 04, Fazenda Santa Maria de Baixo, Zona Rural, Caixa Postal 1014, 75503-970 Itumbiara, GO, - - 2014
This paper proposes an alternative method for evaluating the stability and adaptability of maize hybrids using a genotype-ideotype distance index (GIDI) for selection. Data from seven variables were used, obtained through evaluation of 25 maize hybrids at six sites in southern Brazil. The GIDI was estimated by means of the ...
Wilson Kenady K Western Washington University, Department of Biology, Bellingham, Washington, United States of - - 2014
Understanding the variability of foraging behavior within a population of predators is important for determining their role in the ecosystem and how they may respond to future ecosystem changes. However, such variability has seldom been studied in harbor seals on a fine spatial scale (<30 km). We used a combination ...
Ho Ernest C Y EC Toronto Western Research Institute, University Health Network, Toronto, Ontario, Canada; Department of Physiology, University of Toronto, Toronto, Ontario, - - 2014
Rett syndrome is a severe pediatric neurological disorder caused by loss of function mutations within the gene encoding methyl CpG-binding protein 2 (MeCP2). Although MeCP2 is expressed near ubiquitously, the primary pathophysiology of Rett syndrome stems from impairments of nervous system function. One alteration within different regions of the MeCP2-deficient ...
Niazi Muaz A MA Bahria University, Islamabad 44000, Pakistan ; COSIPRA Lab, Computing Science & Mathematics, School of Natural Sciences, University of Stirling, Stirling FK9 4LA, - - 2014
The body structure of snakes is composed of numerous natural components thereby making it resilient, flexible, adaptive, and dynamic. In contrast, current computer animations as well as physical implementations of snake-like autonomous structures are typically designed to use either a single or a relatively smaller number of components. As a ...
Shao Yuehjen E YE Department of Statistics and Information Science, Fu Jen Catholic University, 510, Chung-Cheng Road, Xinzhuang District, New Taipei City 24205, - - 2014
Excess of body fat often leads to obesity. Obesity is typically associated with serious medical diseases, such as cancer, heart disease, and diabetes. Accordingly, knowing the body fat is an extremely important issue since it affects everyone's health. Although there are several ways to measure the body fat percentage (BFP), ...
- - 2014
[This corrects the article DOI: 10.1371/journal.pone.0091030.].
Marinazzo Daniele D Faculty of Psychology and Educational Sciences, Department of Data Analysis, Ghent University, Ghent, - - 2014
We implement the Ising model on a structural connectivity matrix describing the brain at two different resolutions. Tuning the model temperature to its critical value, i.e. at the susceptibility peak, we find a maximal amount of total information transfer between the spin variables. At this point the amount of information ...
Côté Isabelle M IM Earth to Oceans Research Group, Department of Biological Sciences, Simon Fraser University, Burnaby, BC, - - 2014
As a result of being hunted, animals often alter their behaviour in ways that make future encounters with predators less likely. When hunting is carried out for conservation, for example to control invasive species, these behavioural changes can inadvertently impede the success of future efforts. We examined the effects of ...
Zhu Feng F State Key Laboratory of High Performance Computing, National University of Defense Technology, Changsha 410073, China ; College of Information System and Management, National University of Defense Technology, Changsha 410073, - - 2014
Model reuse is a key issue to be resolved in parallel and distributed simulation at present. However, component models built by different domain experts usually have diversiform interfaces, couple tightly, and bind with simulation platforms closely. As a result, they are difficult to be reused across different simulation platforms and ...
Xiao Luo L Johns Hopkins University, Department of Biostatistics, Baltimore, MD 21205, - - 2014
The Seychelles Child Development Study (SCDS) examines the effects of prenatal exposure to methylmercury on the functioning of the central nervous system. The SCDS data include 20 outcomes measured on 9-year old children that can be classified broadly in four outcome classes or "domains": cognition, memory, motor, and social behavior. ...
Thorbergsson Palmi Thor PT Department of Experimental Medical Science, Lund University, Lund, Sweden; Neuronano Research Center, Lund University, Lund, - - 2014
Brain-machine interfaces (BMIs) based on extracellular recordings with microelectrodes provide means of observing the activities of neurons that orchestrate fundamental brain function, and are therefore powerful tools for exploring the function of the brain. Due to physical restrictions and risks for post-surgical complications, wired BMIs are not suitable for long-term ...
Aghdam Rosa R Department of Statistics, Faculty of Mathematical Sciences, Shahid Beheshti University, Tehran, - - 2014
Inferring gene regulatory networks (GRNs) is a major issue in systems biology, which explicitly characterizes regulatory processes in the cell. The Path Consistency Algorithm based on Conditional Mutual Information (PCA-CMI) is a well-known method in this field. In this study, we introduce a new algorithm (IPCA-CMI) and apply it to ...
Highcock Laura L Department of Zoology, University of Cambridge, Cambridge, United - - 2014
Animals do not behave in exactly the same way when repeatedly tested in the same context or situation, even once systematic variation, such as habituation, has been controlled for. This unpredictability is called intraindividual variability (IIV) and has been little studied in animals. Here we investigated how IIV in boldness ...
Moutoussis Michael M Wellcome Trust Centre for Neuroimaging, University College London London, - - 2014
Introduction: We propose that active Bayesian inference-a general framework for decision-making-can equally be applied to interpersonal exchanges. Social cognition, however, entails special challenges. We address these challenges through a novel formulation of a formal model and demonstrate its psychological significance. Method: We review relevant literature, especially with regards to interpersonal ...
Martínez-Martí Fernando F ECsens, Departamento de Electrónica y Tecnología de Computadores, ETSIIT, Universidad de Granada, 18071, Granada, Spain, - - 2013
This work presents the development of a portable, wireless activity monitoring system for the estimation of biomechanical gait parameters. The system uses a pair of instrumented insoles able to measure pressure from different points of the foot including four commercial piezoresistive pressure sensors and a three-axis accelerometer, all together integrated ...
Wong Jeremy D - - 2013
Information about the position of an object that is held in both hands, such as a golf club or a tennis racquet, is transmitted to the human central nervous system from peripheral sensors in both left and right arms. How does the brain combine these two sources of information? Using ...
Sharma Anuja A School of Computing, SCI Institute, University of Utah, Salt Lake City, UT, - - 2013
This paper proposes a novel method that extends spatiotemporal growth modeling to distribution-valued data. The method relaxes assumptions on the underlying noise models by considering the data to be represented by the complete probability distributions rather than a representative, single-valued summary statistics like the mean. When summarizing by the latter ...
Wright Aidan G C AG a Department of Psychology , University of - - 2013
Latent variable models offer a conceptual and statistical framework for evaluating the underlying structure of psychological constructs, including personality and psychopathology. Complex structures that combine or compare categorical and dimensional latent variables can be accommodated using mixture modeling approaches, which provide a powerful framework for testing nuanced theories about psychological ...
Liu Chongxuan - - 2013
The effect of subgrid heterogeneity in sediment properties on the rate of uranyl[U(VI)] desorption was investigated using a sediment collected from the US Department of Energy Hanford site. The sediment was sieved into 7 grain size fractions that each exhibited different U(VI) desorption properties. Six columns were assembled using the ...
Galas David J DJ 1 Pacific Northwest Diabetes Research Institute , Seattle, - - 2013
Abstract Context dependence is central to the description of complexity. Keying on the pairwise definition of "set complexity," we use an information theory approach to formulate general measures of systems complexity. We examine the properties of multivariable dependency starting with the concept of interaction information. We then present a new ...
Barr W Andrew WA Department of Anthropology, University of Texas, Austin, TX, - - 2013
In ecomorphology, Discriminant Function Analysis (DFA) has been used as evidence for the presence of functional links between morphometric variables and ecological categories. Here we conduct simulations of characters containing phylogenetic signal to explore the performance of DFA under a variety of conditions. Characters were simulated using a phylogeny of ...
An Jiyao J Key Laboratory of Embedded and Network Computing of Hunan Province, College of Information Science and Engineering, Hunan University, Changsha 410082, PR China; Department of Applied Mathematics, Faculty of Mathematics, University of Waterloo, Waterloo, Ontario, Canada N2L 3G1. Electronic address: - - 2013
This paper considers the problem of delay-fractional-dependent stability analysis of linear systems with interval time-varying state delay. By developing a delay variable decomposition approach, both the information of the variable dividing subinterval delay, and the information of the lower and upper bound of delay can be taken into full consideration. ...
Hutka Stefanie S Department of Psychology, University of Toronto Toronto, ON, Canada ; NeuroEducation across the Lifespan Laboratory, Rotman Research Institute, Baycrest Centre for Geriatric Care Toronto, ON, - - 2013
There is convincing empirical evidence for bidirectional transfer between music and language, such that experience in either domain can improve mental processes required by the other. This music-language relationship has been studied using linear models (e.g., comparing mean neural activity) that conceptualize brain activity as a static entity. The linear ...
Dramé Khadim K Univ. Bordeaux, ISPED, Centre INSERM U897-Epidemiologie-Biostatistique, F-33000 Bordeaux, France. Electronic address: - - 2013
Ontologies are useful tools for sharing and exchanging knowledge. However ontology construction is complex and often time consuming. In this paper, we present a method for building a bilingual domain ontology from textual and termino-ontological resources intended for semantic annotation and information retrieval of textual documents. This method combines two ...
Kumar K Ravi KR Indian Institute of Tropical Meteorology, Pune, - - 2013
Ship-based observations of atmospheric carbon dioxide (CO2) concentration over the Bay of Bengal (BoB) between 17 July 2009 and 17 Aug 2009 offered an excellent opportunity to evaluate the land-ocean contrast of surface CO2 and facilitated its comparison with model simulated CO2 concentrations. Elevated values of CO2 with large variability ...
Friedman Bruce H BH Virginia Polytechnic Institute and State University. Electronic address: - - 2013
The issue of concordance among the elements of emotional states has been prominent in the literature since Lang (1968) explored the topic in relation to therapy for anxiety. Since that time, a consensus has emerged that concordance among these components is relatively low. To address this issue, redundancy analysis, a ...
Ravisankar R R Post Graduate and Research Department of Physics, Government Arts College, Tiruvannamalai 606603, Tamilnadu, India. Electronic address: - - 2013
Using γ spectrometry, the concentration of the naturally occurring radionuclides (226)Ra, (232)Th and (40)K has been measured in soil, sand, cement, clay and bricks, which are used as building materials in Tiruvannamalai, Tamilnadu, India. The radium equivalent activity (Raeq), the criterion formula (CF), indoor gamma absorbed dose rate (DR), annual ...
Khatri Naveen N Faculty of Pharmaceutical Sciences, Pt. B. D. Sharma University of Health Sciences, Rohtak 124001, - - 2013
The histamine H3 receptor has been perceived as an auspicious target for the treatment of various central and peripheral nervous system diseases. In present study, a wide variety of 60 2D and 3D molecular descriptors (MDs) were successfully utilized for the development of models for the prediction of antagonist activity ...
Liu Bin B School of Computer Science and Technology, Nanjing University of Posts and Telecommunications, Nanjing 210023, - - 2013
The tracking initiation problem is examined in the context of autonomous bearings-only-tracking (BOT) of a single appearing/disappearing target in the presence of clutter measurements. In general, this problem suffers from a combinatorial explosion in the number of potential tracks resulted from the uncertainty in the linkage between the target and ...
Procházka Aleš A Department of Computing and Control Engineering, Institute of Chemical Technology in Prague, 166 28, Prague, Czech Republic, - - 2013
The monitoring of data from global positioning system (GPS) receivers and remote sensors of physiological and environmental data allow forming an information database for observed data processing. In this paper, we propose the use of such a database for the analysis of physical activities during cycling. The main idea of ...
Zhang J L JL MOE Key Laboratory of Regional Energy Systems Optimization, Sino-Canada Resources and Environmental Research Academy, North China Electric Power University, Beijing, 102206, China, - - 2013
In this study, a robust simulation-optimization modeling system (RSOMS) is developed for supporting agricultural nonpoint source (NPS) effluent trading planning. The RSOMS can enhance effluent trading through incorporation of a distributed simulation model and an optimization model within its framework. The modeling system not only can handle uncertainties expressed as ...
Melo Oscar O OO 1Department of Statistics, Faculty of Sciences, National University of Colombia, Bogotá, - - 2013
Risk models derived from environmental data have been widely shown to be effective in delineating geographical areas of risk because they are intuitively easy to understand. We present a new method based on distances, which allows the modelling of continuous and non-continuous random variables through distance-based spatial generalised linear mixed ...
Gu Herong H Key Lab of Power Electronics for Energy Conservation and Motor Drive of Hebei Province, Yanshan University, Qinhuangdao 066004, - - 2013
Power flow control is one of the most important issues for operating the inverter-dominated autonomous microgrid. A technical challenge is how to achieve the accurate active/reactive power sharing of inverters. P-F and Q-V droop control schemes have been widely used for power sharing in the past decades. But they suffer ...
Leffondré Karen K University of Bordeaux, ISPED, Centre INSERM U897-Epidemiology-Biostatistics, Bordeaux, - - 2013
Regression models are being used to quantify the effect of an exposure on an outcome, while adjusting for potential confounders. While the type of regression model to be used is determined by the nature of the outcome variable, e.g. linear regression has to be applied for continuous outcome variables, all ...
Wagoner Jason A JA Laufer Center for Physical and Quantitative Biology, Stony Brook University, Stony Brook, New York 11794, - - 2013
We extend the theory of hybrid explicit/implicit solvent models to include an explicit domain that grows and shrinks in response to a solute's evolving configuration. The goal of this model is to provide an appropriate but not excessive amount of solvent detail, and the inclusion of an adjustable boundary provides ...
Garip Filiz F Department of Sociology, Harvard University, 33 Kirkland St., Cambridge, MA, 02138, USA, - - 2013
This article studies the impact of internal migration and remittance flows on wealth accumulation and distribution in 51 rural villages in Nang Rong, Thailand. Using data from 5,449 households, the study constructs indices of household productive and consumer assets with principal component analysis. The changes in these indices from 1994 ...
Caspers Julian J Institute of Neuroscience and Medicine (INM-1), Research Centre Jülich, 52425 Jülich, Germany; Department of Diagnostic and Interventional Radiology, University Dusseldorf, Medical Faculty, D-40225 Dusseldorf, Germany. Electronic address: - - 2013
In recent years, coordinate-based meta-analyses have become a powerful and widely used tool to study co-activity across neuroimaging experiments, a development that was supported by the emergence of large-scale neuroimaging databases like BrainMap. However, the evaluation of co-activation patterns is constrained by the fact that previous coordinate-based meta-analysis techniques like ...
Suárez-Cebador Manuel M University of Málaga, E.T.S.I. Industriales, C/Dr. Ortiz Ramos, s/n (Teatinos), 29071 Málaga, Spain. Electronic address: - - 2014
Problem: This paper analyzes the severity of workplace accidents involving electricity in the Spanish construction sector comprising 2,776 accidents from 2003 to 2008. Method: The investigation considered the impact of 13 variables, classified into 5 categories: Personal, Business, Temporal, Material, and Spatial. Results: The findings showed that electrical accidents are ...
Pomara Lars Y LY Department of Forest and Wildlife Ecology, University of Wisconsin-Madison, Madison, WI, 53706, United - - 2013
Developing conservation strategies for threatened species increasingly requires understanding vulnerabilities to climate change, in terms of both demographic sensitivities to climatic and other environmental factors, and exposure to variability in those factors over time and space. We conducted a range-wide, spatially explicit climate change vulnerability assessment for Eastern Massasauga (Sistrurus ...
Nathoo F S FS Mathematics and Statistics, University of Victoria, Victoria, British Columbia, - - 2013
In this article, we present a new variational Bayes approach for solving the neuroelectromagnetic inverse problem arising in studies involving electroencephalography (EEG) and magnetoencephalography (MEG). This high-dimensional spatiotemporal estimation problem involves the recovery of time-varying neural activity at a large number of locations within the brain, from electromagnetic signals recorded ...
Rochet N N Laboratoire de Neurosciences Cognitives, UMR 7291, Fédération de Recherche 3C, Aix-Marseille Université and CNRS, Case C, 3, Place Victor Hugo, 13331, Marseille, - - 2013
Appropriate reactions to erroneous actions are essential to keeping behavior adaptive. Erring, however, is not an all-or-none process: electromyographic (EMG) recordings of the responding muscles have revealed that covert incorrect response activations (termed "partial errors") occur on a proportion of overtly correct trials. The occurrence of such "partial errors" shows ...
< 5 6 7 8 9 10 11 12 13 14 15 >