bluuebunny/crossref_metadata_2025 huggingface dataset:
Efficacy of PRE and POST Herbicides for Control of Citron Melon (Citrullus lanatusvar.citroides)
Authors: Ramirez Analiza Henedina M. , Jhala Amit J. , Singh Megh
Published: November 2012

Citron melon is a monoecious and hairy annual vine commonly found in citrus orchards and cotton and peanut fields. There is limited information available on citron melon control with PRE- and POST-applied herbicides in Florida citrus. Experiments were conducted to evaluate the response of citron melon to 11 PRE and 18 POST herbicides under greenhouse conditions. Indaziflam applied PRE at 0.095 kg ai ha−1resulted in 13% citron melon emergence at 14 d after treatment (DAT). The majority of PRE herbicides did not affect emergence at 14 DAT. Efficacy of PRE herbicides at 21 DAT resulted in > 90% control of citron melon with bromacil, premix formulation of bromacil + diuron, flumioxazin, indaziflam at 0.073 and 0.095, norflurazon, and simazine. Citron melon control was < 30% 21 DAT following PRE-applied diuron, oryzalin, and flazasulfuron. Control of citron melon varied by POST herbicides and growth stage. Regardless of citron melon growth stage, glyphosate, glufosinate, saflufenacil, paraquat, and flumioxazin provided > 90% at 7 and 14 DAT. Carfentrazone, flazasulfuron, imazapic, pyrithiobac-Na, rimsulfuron, trifloxysulfuron, and premix of 2,4-D + glyphosate controlled citron melon at least 90% when applied to two- to four-leaf plants. Control was reduced when application was delayed to the six- to eight-leaf stage. Bentazon and halosulfuron controlled citron melon 11 to 31% regardless of growth stage. Biomass of citron melon at 14 DAT was reduced > 50% in all herbicide treatments except with bentazon and halosulfuron applied at both stages, and dicamba, mesotrione, imazapic, and rimsulfuron applied to six- to eight-leaf citron melon. The results of this study indicate that citron melon can be adequately controlled with several PRE- or POST-applied herbicides; however, research is required to evaluate PRE followed by POST programs or their tank mixtures for season-long control of citron melon under field conditions.
Winter Annual Weed Suppression in Rye–Vetch Cover Crop Mixtures
Authors: Hayden Zachary D. , Brainard Daniel C. , Henshaw Ben , Ngouajio Mathieu
Published: November 2012

Winter annual weeds can interfere directly with crops and serve as alternative hosts for important pests, particularly in reduced tillage systems. Field experiments were conducted on loamy sand soils at two sites in Holt, MI, between 2008 and 2011 to evaluate the relative effects of cereal rye, hairy vetch, and rye–vetch mixture cover crops on the biomass and density of winter annual weed communities. All cover crop treatments significantly reduced total weed biomass compared with a no-cover-crop control, with suppression ranging from 71 to 91% for vetch to 95 to 98% for rye. In all trials, the density of nonmustard family broadleaf weeds was either not suppressed or suppressed equally by all cover crop treatments. In contrast, the density of mustard family weed species was suppressed more by rye and rye–vetch mixtures than by vetch. Cover crops were more consistently suppressive of weed dry weight per plant than of weed density, with rye-containing cover crops generally more suppressive than vetch. Overall, rye was most effective at suppressing winter annual weeds; however, rye–vetch mixtures can match the level of control achieved by rye, in addition to providing a potential source of fixed nitrogen for subsequent cash crops.
Influence of Deep Tillage and a Rye Cover Crop on Glyphosate-Resistant Palmer Amaranth (Amaranthus palmeri) Emergence in Cotton
Authors: DeVore Justin D. , Norsworthy Jason K. , Brye Kristofor R.
Published: November 2012

Glyphosate-resistant Palmer amaranth has become a major problem for cotton producers throughout much of the southern United States. With cotton producers relying heavily on glyphosate-resistant cotton, an alternative solution to controlling resistant Palmer amaranth is needed. A field experiment was conducted during 2009 and 2010 at Marianna, AR, in which a rye cover crop and no cover crop were tested in combination with deep tillage with the use of a moldboard plow and no tillage to determine the impact on Palmer amaranth emergence in cotton. To establish a baseline population, 500,000 glyphosate-resistant Palmer amaranth seeds were placed in a 2-m2area in the middle of each plot and incorporated into the soil, and emergence was evaluated five times during the season. In 2009, both tillage and the cover crop reduced Palmer amaranth emergence in cotton, but the combination of the two reduced emergence 85%. In the second year, only the cover crop reduced Palmer amaranth emergence in cotton, a 68% reduction. Cover crops and deep tillage will not eliminate glyphosate-resistant Palmer amaranth; however, use of these tools will likely reduce the risks of failures associated with residual herbicides along with selection pressure placed on both PRE- and POST-applied herbicides. Additional efforts should focus on the integration of the best cultural practices identified in this research with use of residual herbicides and greater focus on limiting Palmer amaranth seed production and reducing the soil seedbank.
Evidence of market‐driven size‐selective fishing and the mediating effects of biological and institutional factors
Authors: Reddy Sheila M. W. , Wentz Allison , Aburto-Oropeza Octavio , Maxey Martin , Nagavarapu Sriniketh , Leslie Heather M.
Published: November 2012

Market demand is often ignored or assumed to lead uniformly to the decline of resources. Yet little is known about how market demand influences natural resources in particular contexts, or the mediating effects of biological or institutional factors. Here, we investigate this problem by examining the Pacific red snapper (Lutjanus peru) fishery around La Paz, Mexico, where medium or “plate‐sized” fish are sold to restaurants at a premium price. If higher demand for plate‐sized fish increases the relative abundance of the smallest (recruit size class) and largest (most fecund) fish, this may be a market mechanism to increase stocks and fishermen's revenues. We tested this hypothesis by estimating the effect of prices on the distribution of catch across size classes using daily records of prices and catch. We linked predictions from this economic choice model to a staged‐based model of the fishery to estimate the effects on the stock and revenues from harvest. We found that the supply of plate‐sized fish increased by 6%, while the supply of large fish decreased by 4% as a result of a 13% price premium for plate‐sized fish. This market‐driven size selection increased revenues (14%) but decreased total fish biomass (−3%). However, when market‐driven size selection was combined with limited institutional constraints, both fish biomass (28%) and fishermen's revenue (22%) increased. These results show that the direction and magnitude of the effects of market demand on biological populations and human behavior can depend on both biological attributes and institutional constraints. Fisheries management may capitalize on these conditional effects by implementing size‐based regulations when economic and institutional incentives will enhance compliance, as in the case we describe here, or by creating compliance enhancing conditions for existing regulations.
A New Experimental Design Reveals the Impacts of Land Use and Irrigation Characteristics on Bromide Leaching
Authors: Schwen Andreas , Yang Yang , Walton Riley J. , Wendroth Ole
Published: November 2012

The impact of different land use systems and rainfall characteristics on water and solute transport has not been the subject of many studies. One challenge in solute leaching experiments is the high natural spatial variability of flow‐controlling soil properties. To overcome this limitation and reveal the impacts and relative influences of land use (either grassland or cropland), irrigation amount and intensity, and application time delay on water infiltration and solute leaching, a field‐scale leaching experiment was conducted where treatments were arranged in a repetitive pattern along a transect. This design approach permitted spatial variation scale analysis and frequency domain analysis of variance components. The experiment was evaluated in terms of changes in the soil matric potential and in the infiltration depth of the applied tracer (KBr). The results gave evidence that water infiltration was mainly controlled by the amount of water and to a smaller extend by the land use with a larger increase in soil water content on the cropland. Contrarily, solute leaching was mainly controlled by the land use with a larger infiltration depth on the cropland. The relative influences of irrigation amount and intensity were smaller. Irrigation intensity and application time delay were negatively correlated with leaching depth, indicating a decreasing risk for deep leaching with increasing time between solute application and rainfall. The presented experimental design may be highly useful to overcome limitations resulting from the high spatial variability of physical soil properties when studying field‐scale hydrological and transport phenomena.
Vadose Zone Model–Data Fusion: State of the Art and Future Challenges
Authors: Huisman Johan A. , Vrugt Jasper A. , Ferre Ty P.A.
Published: November 2012

Models are quantitative formulations of assumptions regarding key physical processes, their mathematical representations, and site‐specific relevant properties at a particular scale of analysis. Models are fused with data in a two‐way process that uses information contained in observational data to refine models and the context provided by models to improve information extraction from observational data. This process of model–data fusion leads to improved understanding of hydrological processes by providing improved estimates of parameters, fluxes, and states of the vadose zone system of interest, as well as of the associated uncertainties of these values. Notwithstanding recent progress, there are still numerous challenges associated with model–data fusion, including: (i) dealing with the increasing complexity of models, (ii) considering new and typically indirect measurements, and (iii) quantifying uncertainty. This special section presents nine contributions that address the state of the art of model–data fusion.
Synergistic effect of heat and solar UV on DNA damage and water disinfection of E. coli and bacteriophage MS2
Authors: Theitler Dana Jennifer , Nasser Abid , Gerchman Yoram , Kribus Abraham , Mamane Hadas
Published: November 2012

The response of a representative virus and indicator bacteria to heating, solar irradiation, or their combination, was investigated in a controlled solar simulator and under real sun conditions. Heating showed higher inactivation of Escherichia coli compared to the bacteriophage MS2. Heating combined with natural or simulated solar irradiation demonstrated a synergistic effect on the inactivation of E. coli, with up to 3-log difference for 50 °C and natural sun insolation of 2,000 kJ m−2 (compared to the sum of the separate treatments). Similar synergistic effect was also evident when solar-UV induced DNA damage to E. coli was assessed using the endonuclease sensitive site assay (ESS). MS2 was found to be highly resistant to irradiation and heat, with a slightly synergistic effect observed only at 59 °C and natural sun insolation of 5,580 kJ m−2. Heat treatment also hindered light-dependent recovery of E. coli making the treatment much more effective.
Enumeration of viable and non-viable larvated Ascaris eggs with quantitative PCR
Authors: Raynal Maria , Villegas Eric N. , Nelson Kara L.
Published: November 2012

The goal of this study was to further develop an incubation-quantitative polymerase chain reaction (qPCR) method for quantifying viable Ascaris eggs by characterizing the detection limit and number of template copies per egg, determining the specificity of the method, and testing the method with viable and inactivated larvated eggs. The number of template copies per cell was determined by amplifying DNA from known numbers of eggs at different development stages; the value was estimated to be 32 copies. The specificity of the method was tested against a panel of bacteria, fungi, protozoa and helminths, and no amplification was found with non-target DNA. Finally, fully larvated eggs were inactivated by four different treatments: 254 nm ultraviolet light, 2,000 ppm NH3-N at pH 9, moderate heat (48 °C) and high heat (70 °C). Concentrations of treated eggs were measured by direct microscopy and incubation-qPCR. The qPCR signal decreased following all four treatments, and was in general agreement with the decrease in viable eggs determined by microscopy. The incubation-qPCR method for enumerating viable Ascaris eggs is a promising approach that can produce results faster than direct microscopy, and may have benefits for applications such as assessing biosolids.
Maniace Castle in Syracuse, Italy: Comparison Between Present Structural Situation and Hypothetical Original Configuration by Means of Full 3D FE Models
Authors: Casolo Siro , Milani Gabriele , Alberto Sanjust Carlo , Taliercio Alberto
Published: November 2012

The Maniace Castle in Syracuse, Italy, built under Emperor Frederick II in the first half of the 13th century, is analyzed from a structural point of view by means of a detailed 3D Finite Element model. The castle was struck by many catastrophic events during the centuries, which heavily damaged the structure and caused subsequent changes in the origi-nal implant.

After a concise description of the main architectural characteristics of the building and its actual state of degradation, two full 3D FE numerical analyses are discussed, representing respectively the present geometric configuration and that ob-tained after a hypothetical intervention aimed at reporting the structure into its original conceived shape. Conventional static analyses in the linear range are performed on such large scale meshes, under gravity loads and horizontal loads con-ventionally representing seismic excitation, respectively investigating the role played by self-weight into the degradation of some structural elements (particularly central columns of the hypostyle hall) and the effect induced by horizontal forces on both the global behavior and the local widespread local regions with positive stresses. On the basis of such numerical results, some useful observations to be considered in a future plan of restoration aimed at reporting the castle in its origi-nal configuration are finally provided.
The DSC Model for the Nonlinear Analysis of In-plane Loaded Masonry Structures
Authors: H. Akhaveissy A.
Published: November 2012

A nonlinear finite element method with eight-noded isoparametric quadrilateral elements is used to predict the behavior of unreinforced masonry structures. The disturbed state concept (DSC) with modified hierarchical single yield surface (HISS) plasticity which is called DSC/HISS-CT is used to characterize the constitutive behavior of masonry in both compression and tension. The model uses two HISS yield surfaces for compressive and tensile behavior. The DSC model allows for the characterization of non-associative behavior through the use of disturbance. It computes microcrack-ing during deformation, which eventually leads to fracture and failure. the critical disturbance, Dc, identifies fracture and failure. In the DSC model the DSC model was validated at two levels: (1) specimen and (2) practical boundary value problem. At the specimen level, predictions are obtained by integrating the incremental constitutive relations. The pro-posed constitutive model is verified by comparing numerical predictions with results obtained from test data; the compari-sons are found to be highly satisfactory. A new explicit formula is also presented to estimate the strength of unreinforced masonry structures.
Micro-local analysis in some spaces of ultradistributions
Authors: Johansson Karoline , Pilipovic Stevan , Teofanov Nenad , Toft Joachim
Published: November 2012

We extend some results from [14] and [19], concerning wave-front sets of
Fourier-Lebesgue and modulation space types, to a broader class of spaces of
ultradistributions. We relate these wave-front sets one to another and to the
usual wave-front sets of ultradistributions. Furthermore, we give a
description of discrete wave-front sets by introducing the notion of
discretely regular points, and prove that these wave-front sets coincide with
corresponding wave-front sets in [19]. Some of these investigations are based
on the properties of the Gabor frames.
Digraphs associated with finite rings
Authors: Lipkovski Aleksandar
Published: November 2012

Let A be a finite commutative ring with unity (ring for short). Define a
mapping ? : A2 ? A2 by (a, b) 7? (a + b, ab). One can interpret this mapping
as a finite directed graph (digraph) G = G(A) with vertices A2 and arrows
defined by ?. The main idea is to connect ring properties of A to graph
properties of G. Particularly interesting are rings A = Z/nZ. Their graphs
should reflect number-theoretic properties of integers. The first few graphs
Gn = G(Z/nZ) are drawn and their numerical parameters calculated. From this
list, some interesting properties concerning degrees of vertices and presence
of loops are noticed and proved.
On the extreme points and strongly extreme points in Köther-Bochner spaces
Authors: Hou Zhentao , Pan Jinghong
Published: November 2012

We give the necessary conditions of extreme points and strongly extreme
points in the unit ball of K?the-Bochner spaces. The conditions have been
shown to be sufficient earlier.
Sharp function inequalities and boundness for Toeplitz type operator related to general fractional singular integral operator
Authors: Huang Chuangxia , Liu Lanzhe
Published: November 2012

We establish some sharp maximal function inequalities for the Toeplitz type
operator, which is related to certain fractional singular integral operator
with general kernel. These results are helpful to investigate the boundedness
of the operator on Lebesgue, Morrey and Triebel-Lizorkin spaces respectively.
Effect of incisor position on the self-perceived psychosocial impacts of malocclusion among Chinese young adults
Authors: Dahong Xia , Xiangrong Cheng , Ying Liu , Yusong Liang , Ying Guo , Yan Sun
Published: November 2012

Objective:

To evaluate the impact of the incisor position on the self-perceived psychosocial impacts of malocclusion among Chinese young adults.

Materials and Methods:

This cross-sectional study included a convenience sample of 17.1- to 22.3-year-old young adults (n  =  1005). The five groups represented were normal occlusion as well as incisor Class I, Class II/1, Class II/2, and Class III malocclusion. For clinical assessment, the incisor relationship was evaluated according to the British Standards Institute Incisor Classification, and the self-perception of dental esthetics was assessed using the Psychosocial Impact of Dental Aesthetics Questionnaire (PIDAQ). Statistical analysis involved the analysis of variance and Tukey multiple-comparison post hoc tests.

Results:

Psychosocial impacts were different among the five groups for the four PIDAQ domains (P < .001 for all four domains). Statistically significant differences were found between the four malocclusion groups and the normal occlusion group in all four domains (P < .001 for all four domains). Furthermore, statistically significant differences were found between four malocclusion groups.

Conclusions:

All four malocclusion groups had more severe psychosocial impacts than the normal occlusion group in the four PIDAQ domains. Statistically significant differences were also found between the four malocclusion groups; these malocclusion groups ranked by score, highest to lowest, were Class III, Class II/1, Class II/2, and Class I.
Empire's salvage heart
Authors: Tsing Anna Lowenhaupt
Published: November 2012

What if those translations across difference that characterize global supply chains were to inspire a model of power and struggle in the contemporary political economy? In contrast to the unified Empire offered by Hardt and Negri, supply chains show us how attention to diversity-and the transformative collaborations it inspires-is key to both identifying what is wrong with the world today and imagining what we can do about it. This article describes a politics in which transformative collaborations across difference form the radical heart of possibility. Nonhumans are involved, as well as people with starkly different backgrounds and agendas. Love might be transformed.
Day-Ahead Electricity Price Forecasting Using a Hybrid Principal Component Analysis Network
Authors: Hong Ying-Yi , Wu Ching-Ping
Published: November 2012

Bidding competition is one of the main transaction approaches in a deregulated electricity market. Locational marginal prices (LMPs) resulting from bidding competition and system operation conditions indicate electricity values at a node or in an area. The LMP reveals important information for market participants in developing their bidding strategies. Moreover, LMP is also a vital indicator for the Security Coordinator to perform market redispatch for congestion management. This paper presents a method using a principal component analysis (PCA) network cascaded with a multi-layer feedforward (MLF) network for forecasting LMPs in a day-ahead market. The PCA network extracts essential features from periodic information in the market. These features serve as inputs to the MLF network for forecasting LMPs. The historical LMPs in the PJM market are employed to test the proposed method. It is found that the proposed method is capable of forecasting day-ahead LMP values efficiently.
Optimization of Key Factors Affecting Methane Production from Acidic Effluent Coming from the Sugarcane Juice Hydrogen Fermentation Process
Authors: Reungsang Alissara , Pattra Sakchai , Sittijunda Sureewan
Published: November 2012

Response surface methodology with a central composite design was applied to optimize the key factors affecting methane production from the acidic effluent coming from the sugarcane juice hydrogen fermentation process. The parameters studied were substrate concentration, ratio of NaHCO3 to substrate concentration and initial pH. The experimental results showed that substrate concentration and initial pH had significant individual (p < 0.05) effect on methane yield (MY). However, there was no interactive effect between these variables (p > 0.05). The maximum MY of 367 mL CH4/g-volatile solid (VS)added was obtained at the optimum conditions of 13,823 mg-COD/L, an NaHCO3 to substrate concentration ratio of 3.09 and an initial pH of 7.07. Under the optimum conditions, MY was enhanced 4.4-fold in comparison to raw effluent.
Non Breaking Wave Forces at the Front Face of Seawave Slotcone Generators
Authors: Buccino Mariano , Banfi Davide , Vicinanza Diego , Calabrese Mario , Giudice Giuseppe Del , Carravetta Armando
Published: November 2012

The Seawave Slotcone Generator (WAVEnergy SAS, 2003) is a wave energy converter based on the overtopping principle. Although it has been effectively researched during the last decade, no design tool has been supplied to estimate the hydrodynamic loads the waves exert on its front face. In this article a set of well reliable 3D experiments has been re-analyzed, in order to get indications on possible calculation methods. It is shown that the Japanese design tools for monolithic sea dikes may be reasonably adapted to the present case. Finally a new approach is presented, which is based on the so called momentum flux principle; the resulting predictive equation fits the experimental data remarkably well.
Pharmacological Evaluation and Preliminary Pharmacokinetics Studies of a New Diclofenac Prodrug without Gastric Ulceration Effect
Authors: Santos Jean , Moreira Vanessa , Campos Michel , Chelucci Rafael , Barbieri Karina , Souto Pollyana , Matsubara Márcio , Teixeira Catarina , Bosquesi Priscila , Peccinini Rosângela , Chin Chung
Published: November 2012

Long-term nonsteroidal anti-inflammatory drugs (NSAIDs) therapy has been associated with several adverse effects such as gastric ulceration and cardiovascular events. Among the molecular modifications strategies, the prodrug approach is a useful tool to discover new safe NSAIDs. The 1-(2,6-dichlorophenyl)indolin-2-one is a diclofenac prodrug which demonstrated relevant anti-inflammatory properties without gastro ulceration effect. In addition, the prodrug decreases PGE2 levels, COX-2 expression and cellular influx into peritoneal cavity induced by carrageenan treatment. Preliminary pharmacokinetic studies have shown in vivo bioconversion of prodrug to diclofenac. This prodrug is a new nonulcerogenic NSAID useful to treat inflammatory events by long-term therapy.
Estimating CO2 Sequestration by Forests in Oita Prefecture, Japan, by Combining LANDSAT ETM+ and ALOS Satellite Remote Sensing Data
Authors: Sanga-Ngoie Kazadi , Iizuka Kotaro , Kobayashi Shoko
Published: November 2012

CO2 sequestration of the forests in Oita Prefecture, Japan, was estimated using satellite remote sensing data. First, hybrid classification of the optical LANDSAT ETM+ data was performed using GIS to produce a detailed land cover map. CO2 sequestration for each forest type was calculated using the sequestration rates per unit area multiplied by the forest areas obtained from the land cover map This results in 3.57 MtCO2/yr for coniferous, 0.77 MtCO2/yr for deciduous broadleaf, and 2.25 MtCO2/yr for evergreen broadleaf, equivalent to a total of 6.60 MtCO2/yr for all the forest covers in Oita. Then, two different methodologies were used to improve these estimates by considering tree ages: the Normalized Difference Vegetation Index (NDVI) and the stem volume methods. Calculation using the NDVI method shows the limitation of this method in providing detailed estimations for trees older than 15 years, because of NDVI saturation beyond this age. In the stem volume method, tree ages were deduced from stem volume values obtained by using PALSAR backscattering data. Sequestration based on tree age forest subclasses yields 2.96 MtCO2/yr (coniferous) and 0.31 MtCO2/yr (deciduous broadleaf forests). These results show the importance of using not only detailed forest types, but also detailed tree age information for more realistic CO2 sequestration estimates. In so doing, overestimation of the sequestration capacity of forests could be avoided, and the information on the status and location of forest resources could be improved, thereby leading to sounder decision making in sustainable management of forest resources.
Disability as Microcosm: the Boundaries of the Human Body
Authors: DePoy Elizabeth , Gilson Stephen
Published: November 2012

In this paper, we query the legitimacy of the atypical body for membership, quasi-membership, or exclusion from the category of human. Geneticized, branded, and designed as not normal, undesirable, and in need of change, embodied disablement can provide an important but circumvented analysis of the explicit and implicit nature of the legitimate human body, its symbolism, and responses that such bodies elicit from diverse local through global social and cultural entities. Building on and synthesizing historical and current work in the sociology of the body, in disability studies, in cyborg and post-human studies, this paper begins to ask questions about the criteria for human embodiment that are violated by interpretations of disability and then met with a range of responses from body revision to denial of the viability of life. Given the nascent emergence of this important topic, this paper chronicles the theory, questions and experiences that have provoked questions and posited the need for more substantive theory development and verification.
Virus Pathogen Database and Analysis Resource (ViPR): A Comprehensive Bioinformatics Database and Analysis Resource for the Coronavirus Research Community
Authors: Pickett Brett E. , Greer Douglas S. , Zhang Yun , Stewart Lucy , Zhou Liwei , Sun Guangyu , Gu Zhiping , Kumar Sanjeev , Zaremba Sam , Larsen Christopher N. , Jen Wei , Klem Edward B. , Scheuermann Richard H.
Published: November 2012

Several viruses within the Coronaviridae family have been categorized as either emerging or re-emerging human pathogens, with Severe Acute Respiratory Syndrome Coronavirus (SARS-CoV) being the most well known. The NIAID-sponsored Virus Pathogen Database and Analysis Resource (ViPR, www.viprbrc.org) supports bioinformatics workflows for a broad range of human virus pathogens and other related viruses, including the entire Coronaviridae family. ViPR provides access to sequence records, gene and protein annotations, immune epitopes, 3D structures, host factor data, and other data types through an intuitive web-based search interface. Records returned from these queries can then be subjected to web-based analyses including: multiple sequence alignment, phylogenetic inference, sequence variation determination, BLAST comparison, and metadata-driven comparative genomics statistical analysis. Additional tools exist to display multiple sequence alignments, view phylogenetic trees, visualize 3D protein structures, transfer existing reference genome annotations to new genomes, and store or share results from any search or analysis within personal private ‘Workbench’ spaces for future access. All of the data and integrated analysis and visualization tools in ViPR are made available without charge as a service to the Coronaviridae research community to facilitate the research and development of diagnostics, prophylactics, vaccines and therapeutics against these human pathogens.
La fin de la télévision ?
Authors: Beuscart Jean-Samuel , Beauvisage Thomas , Maillard Sisley
Published: November 2012

Résumé L’offre de rattrapage a multiplié les possibilités, pour le téléspectateur, de consommer les programmes télévisés « où il veut, quand il veut ». Pour certains analystes, cette évolution précipite « la fin de la télévision », conçue comme le fait pour une audience dispersée de regarder le même programme au même moment. Nous étudions empiriquement ce phénomène à partir des données d’audiences journalières de l’ensemble des programmes proposés en rattrapage sur le Web par les chaînes françaises. Nous observons que, contrairement à ce que suppose la théorie de la « longue traîne », les audiences sont plus concentrées sur le Web que sur le flux télévisé, et que la consommation à la demande reste majoritairement attachée à la temporalité fixée par les chaînes. Ainsi, la consommation à la demande n’annule pas la capacité de la télévision à réunir des audiences pour partager des contenus.
Les productions audiovisuelles des joueurs de jeux vidéo
Authors: Auray Nicolas , Georges Fanny
Published: November 2012

Résumé L’article vise à étudier la place des créations filmiques fabriquées par des joueurs de jeu vidéo. L’objectif est de replacer l’étude des modes de consécration artistique et de quelques trajectoires de professionnalisation de ces jeunes auteurs dans le contexte plus large d’une construction progressive du jeu vidéo comme un espace culturel qui s’est différencié par rapport au cinéma. Dans un tel contexte de spécialisation professionnelle, les créations filmiques faites à partir de moteurs de jeu ont un rôle de « passerelles » entre les deux médias, permettant aux passionnés du jeu vidéo qui se destinent à des carrières professionnelles l’apprentissage des grammaires esthétiques du cinéma. Dans un contexte d’industrialisation du jeu vidéo et de spécialisation des formations professionnelles, le rôle de ces apprentissages esthétiques autodidactes s’est paradoxalement accru.
Défense de la diversité culturelle : variété ou dialogue ?
Authors: Gensollen Michel
Published: November 2012

Résumé L’industrialisation des biens culturels a concentré la production mondiale aux États-Unis (en particulier dans le cas du cinéma). Il est espéré aujourd’hui que la numérisation et la mise en réseau des informations pourra contrebalancer une telle tendance en réduisant les coûts de promotion et de distribution (longue traîne). La diversité des expressions culturelles reste toutefois un objectif essentiel de la politique culturelle pour au moins trois raisons. (1) Les marchés des biens culturels sont de plus en plus imparfaits (biens d’expérience, biens tutélaires, externalités, économies d’échelle, ...) et doivent être régulés. (2) La culture ne se confond pas avec le divertissement individuel : il s’agit d’une consommation collective qui conditionne la construction identitaire des collectivités. (3) La qualité esthétique des œuvres permet, au-delà de la diversité, le dialogue entre les cultures, ce qui est le deuxième objectif fixé par la Convention de l’UNESCO de 2005 sur la protection et la promotion de la diversité des expressions culturelles.
Regard clinique sur le travail des auxiliaires de vie
Authors: Bardot Fabienne
Published: November 2012

Résumé Le métier d’auxiliaire de vie est l’un des « serpents de mer » de la médecine du travail, car il est réputé comme un travail particulièrement usant. Les médecins du travail l’abordent le plus fréquemment par des descriptions chiffrées de liens santé-travail, mais butent sans cesse sur les actions de transformation. Dans cet article, une approche délibérément opposée est présentée. L’auteure décrit le cheminement de sa réflexion et de sa pratique pour aborder le travail de ces personnels d’un point de vue strictement clinique, jamais hygiéniste. Cette démarche s’est construite à partir des connaissances issues des consultations médicales pour s’appuyer finalement sur les débats collectifs autour du métier d’auxiliaire. L’auteure montre ce que ce mode de socialisation peut apporter du côté des règles de métier et des défenses collectives ainsi qu’en termes de possibilités d’accès à certains liens qui pourraient avoir des effets apaisants sur la santé.
Le care à demeure
Authors: Borgeaud-Garciandía Natacha
Published: November 2012

Résumé L’objectif de cet article est d’analyser le travail de « care » auprès de personnes âgées, dans le contexte de travailleuses péruviennes ayant migré à Buenos Aires et travaillant à demeure. Il s’agit de situations fortement marquées par des relations interpersonnelles et un engagement subjectif particulièrement intenses. La première partie est consacrée à la présentation générale de la situation de ces travailleuses devenues « cuidadoras » à Buenos Aires. Dans la deuxième partie, l’analyse porte sur quelques éléments essentiels qui structurent la réalité quotidienne des « cuidadoras » à demeure, tels l’enfermement continu et l’intimité persistante avec des personnes très dépendantes. L’article s’achève sur une réflexion concernant les rôles ambigus de l’attachement affectif. L’ensemble des analyses prend appui sur des entretiens biographiques menés auprès des travailleuses.
Organisation du travail - Clivage - Aliénation
Authors: Dejours Christophe
Published: November 2012

Résumé L’article, initialement publié en 1985, aborde les conflits spécifiques engendrés par les rapports entre organisation du travail et fonctionnement psychique. Sont présentées les conséquences psychopathologiques des deux dimensions principales de l’organisation du travail, relatives à la division des tâches d’une part et à la division des hommes d’autre part. La discussion qui en découle interroge les rapports entre la notion de clivage et celle d’aliénation, en vue de préciser les effets des contraintes organisationnelles sur le fonctionnement psychique.
E-Learning in Kazakhstan: Stages of Formation and Prospects for Development
Authors: Sapargaliyev Daniyar
Published: November 2012

Today Kazakhstan is a country with a very high level of literacy. The living standards and economy in the country are growing very rapidly. But the emergence of e-Learning was held stable and haphazard. This is due to many factors - later involvement in the process of societyâ??s â??informatizationâ?, lack of attention to the development of distance and corporate learning. Meanwhile, e-Learning is important and a priority in education and business sectors. The Government is taking all efforts to diversify the process of implementing e-Learning for all citizens. The population of Kazakhstan is in a huge need for digital literacy. Year by year an increasing number of citizens are wishing to develop their â??digitalâ? culture. Many Kazakhs are ready to acquire new knowledge through e-Learning at universities and in the workplaces. In this paper we will consider the formation of e-Learning in Kazakhstan and contemporary challenges for the further development of e-Learning.
Intrusion Detection Algorithm for MANET
Authors: Srinivasan S. , Alampalayam S. P.
Published: November 2012

Mobile ad hoc networks (MANET) present the opportunity to connect transient nodes to the internet without having central control. This very design supports new nodes to join and leave the network based on their proximity to the MANET. Concurrently, it creates many security challenges for authenticating nodes that are not present in a traditional wired network. Much of the existing work on MANET security has focused on routing and mobility. In this paper, the authors present an algorithm that considers the neighboring nodes’ status to determine if a particular node is malicious or not. The authors used NS2 simulation tool to test the algorithm and present the results in the paper. The major benefits of this research work are in military applications.
A Unified Use-Misuse Case Model for Capturing and Analysing Safety and Security Requirements
Authors: Arogundade O. T. , Akinwale A. T. , Jin Z. , Yang X. G.
Published: November 2012

The model was successfully applied using health care information system gathered through the university of Kansas HISPC project. The authors were able to capture both security and safety requirements necessary for effective functioning of the system. In order to enhance the integration of the proposed model into risk analysis, the authors give both textual and detailed description of the model. The authors compare the proposed approach with other existing methods that identify and analyze safety and security requirements and discovered that it captures more security and safety threats.
Comparison of Promoter Sequences Based on Inter Motif Distance
Authors: Meera A. , Rangarajan Lalitha
Published: November 2012

Understanding how the regulation of gene networks is orchestrated is an important challenge for characterizing complex biological processes. The DNA sequences that comprise promoters do not provide much direct information about regulation. A substantial part of the regulation results from the interaction of transcription factors (TFs) with specific cis regulatory DNA sequences. These regulatory sequences are organized in a modular fashion, with each module (enhancer) containing one or more binding sites for a specific combination of TFs. In the present work, the authors have proposed to investigate the inter motif distance between the important motifs in the promoter sequences of citrate synthase of different mammals. The authors have used a new distance measure to compare the promoter sequences. Results reveal that there exists more similarity between organisms in the same chromosome.
A Mechatronic Description of an Autonomous Underwater Vehicle for Dam Inspection
Authors: Batista Ítalo Jáder Loiola , Varela Antonio Themoteo , Andrade Edicarla Pereira , Azevedo José Victor Cavalcante , Garcia Tiago Lessa , Henrique da Silva Daniel , Neto Epitácio Kleber Franco , Alexandria Auzuir Ripardo , Araújo André Luiz Carneiro
Published: November 2012

Driven by the rising demand for underwater operations concerning dam structure monitoring, Hydropower Plant (HPP), reservoir, and lake ecosystem inspection, and mining and oil exploration, underwater robotics applications are increasing rapidly. The increase in exploration, prospecting, monitoring, and security in lakes, rivers, and the sea in commercial applications has led large companies and research centers to invest underwater vehicle development. The purpose of this work is to present the design of an Autonomous Underwater Vehicle (AUV), focusing efforts on dimensioning structural elements and machinery and elaborating the sensory part, which includes navigation sensors and environmental conditions sensors. The integration of these sensors in an intelligent platform provides a satisfactory control of the vehicle, allowing the movement of the submarine on the three spatial axes. Because of the satisfactory fast response of the sensors, one can determine the acceleration and inclination as well as the attitude in relation to the trajectory instantaneously taken. This vehicle will be able to monitor the physical integrity of dams, making acquisition and storage of environmental parameters such as temperature, dissolved oxygen, pH, and conductivity, as well as document images of the biota from reservoir lake HPPs, with minimal cost, high availability, and low dependence on a skilled workforce to operate it.
A Virtual Simulator for the Embedded Control System Design for Navigation of Mobile Robots applied in Wheelchairs
Authors: Flávio de Melo Leonimer , Cervantes Silvia Galvão de Souza , Rosário João Maurício
Published: November 2012

This chapter presents a virtual environment implementation for embedded design, simulation, and conception of supervision and control systems for mobile robots, which are capable of operating and adapting to different environments and conditions. The purpose of this virtual system is to facilitate the development of embedded architecture systems, emphasizing the implementation of tools that allow the simulation of the kinematic, dynamic, and control conditions, in real time monitoring of all important system points. To achieve this, an open control architecture is proposed, integrating the two main techniques of robotic control implementation at the hardware level: systems microprocessors and reconfigurable hardware devices. The utilization of a hierarchic and open architecture, distributing the diverse actions of control in increasing levels of complexity and the use of resources of reconfigurable computation are made in a virtual simulator for mobile robots. The validation of this environment is made in a nonholonomic mobile robot and in a wheelchair; both of them used an embedded control rapid prototyping technique for the best navigation strategy implementation. After being tested and validated in the simulator, the control system is programmed in the control board memory of the mobile robot or wheelchair. Thus, the use of time and material is optimized, first validating the entire model virtually and then operating the physical implementation of the navigation system.
An Empirical Investigation on the Use of Buffers and Incentives in Non-Hierarchical Networks
Authors: Pinto Roberto , Pirola Fabiana , Mettler Tobias
Published: November 2012

Delivery reliability has shifted from being an order winner to being an order qualifier in many industrial and service sectors. Thus, companies are forced to take into consideration all the aspects that might impact on such an indicator. This paper focuses on the European machinery and equipment industry, an important instance of the non-hierarchical network concept, to investigate the relationships existing among supply-side uncertainty, delivery reliability to the final market and the adoption of possible leverages to mitigate problems, namely buffers and incentives. The authors formulate the research hypotheses and test them against a set of collected data in 3 European countries. The final discussion about the results provides insights about the real effectiveness of buffer and incentive based approaches, as well as some directions for future research.
Audit Mechanisms in Electronic Health Record Systems
Authors: King Jason , Smith Ben , Williams Laurie
Published: November 2012

Inadequate audit mechanisms may result in undetected misuse of data in software-intensive systems. In the healthcare domain, electronic health record (EHR) systems should log the creating, reading, updating, or deleting of privacy-critical protected health information. The objective of this paper is to assess electronic health record audit mechanisms to determine the current degree of auditing for non-repudiation and to assess whether general audit guidelines adequately address non-repudiation. The authors analyzed the audit mechanisms of two open source EHR systems, OpenEMR and Tolven eCHR, and one proprietary EHR system. The authors base the qualitative assessment on a set of 16 general auditable events and 58 black-box test cases for specific auditable events. The authors find that OpenEMR satisfies 62.5% of the general criteria and passes 63.8% of the black-box test cases. Tolven eCHR and the proprietary EHR system each satisfy less than 19% of the general criteria and pass less than 11% of the black-box test cases.
Systematic Redaction for Neuroimage Data
Authors: Matlock Matt , Schimke Nakeisha , Kong Liang , Macke Stephen , Hale John
Published: November 2012

In neuroscience, collaboration and data sharing are undermined by concerns over the management of protected health information (PHI) and personal identifying information (PII) in neuroimage datasets. The HIPAA Privacy Rule mandates measures for the preservation of subject privacy in neuroimaging studies. Unfortunately for the researcher, the management of information privacy is a burdensome task. Wide scale data sharing of neuroimages is challenging for three primary reasons: (i) A dearth of tools to systematically expunge PHI/PII from neuroimage data sets, (ii) a facility for tracking patient identities in redacted datasets has not been produced, and (iii) a sanitization workflow remains conspicuously absent. This article describes the XNAT Redaction Toolkit - an integrated redaction workflow which extends a popular neuroimage data management toolkit to remove PHI/PII from neuroimages. Quickshear defacing is also presented as a complementary technique for deidentifying the image data itself. Together, these tools improve subject privacy through systematic removal of PII/PHI.
On Combining Sequence Alignment and Feature-Quantization for Sub-Image Searching
Authors: Homola Tomas , Dohnal Vlastislav , Zezula Pavel
Published: November 2012

The availability of various photo archives and photo sharing systems made similarity searching much more important because the photos are not usually conveniently tagged. So the photos (images) need to be searched by their content. Moreover, it is important not only to compare images with a query holistically but also to locate images that contain the query as their part. The query can be a picture of a person, building, or an abstract object and the task is to retrieve images of the query object but from a different perspective or images capturing a global scene containing the query object. This retrieval is called the sub-image searching. In this paper, the authors propose an algorithm, called SASISA, for retrieving database images by their similarity to and containment of a query. The novelty of it lies in application of a sequence alignment algorithm, which is commonly used in text retrieval. This forms an orthogonal solution to currently used approaches based on inverted files. They improve efficiency of SASISA by applying vector-quantization of local image feature descriptors. The proposed algorithm and its optimization are evaluated on a real-life data set containing photographs where images of logos are searched. It is compared to a state-of-the-art method (Joly & Buisson, 2009) and the improvement of 16% in mean average precision (mAP) is obtained.