cometadata/datacite-rtg-text-other-reclassification-records huggingface dataset:
A Gauss-Seidel projection method with the minimal number of updates for stray field in micromagnetic simulations
Creators: name: Li, Panchi
name: Ma, Zetao
name: Du, Rui
name: Chen, Jingrun
Publisher: name: arXiv
Year: 2021
Subjects: subject: Numerical Analysis (math.NA)
subject: Computational Engineering, Finance, and Science (cs.CE)
subject: FOS: Mathematics
subject: FOS: Computer and information sciences

description: Magnetization dynamics in magnetic materials is often modeled by the Landau-Lifshitz equation, which is solved numerically in general. In micromagnetic simulations, the computational cost relies heavily on the time-marching scheme and the evaluation of stray field. Explicit marching schemes are efficient but suffer from severe stability constraints, while nonlinear systems of equations have to be solved in implicit schemes though they are unconditionally stable. A better compromise between stability and efficiency is the semi-implicit scheme, such as the Gauss-Seidel projection method (GSPM) and the second-order backward differentiation formula scheme (BDF2). At each marching step, GSPM solves several linear systems of equations with constant coefficients and updates the stray field several times, while BDF2 updates the stray field only once but solves a larger linear system of equations with variable coefficients and a nonsymmetric structure. In this work, we propose a new method, dubbed as GSPM-BDF2, by combing the advantages of both GSPM and BDF2. Like GSPM, this method is first-order accurate in time and second-order accurate in space, and is unconditionally stable with respect to the damping parameter. However, GSPM-BDF2 updates the stray field only once per time step, leading to an efficiency improvement of about $60\%$ than the state-of-the-art GSPM for micromagnetic simulations. For Standard Problem \#4 and \#5 from National Institute of Standards and Technology, GSPM-BDF2 reduces the computational time over the popular software OOMMF by $82\%$ and $96\%$, respectively. Thus, the proposed method provides a more efficient choice for micromagnetic simulations.
(102250) Julia Richards
Creators: name: Professions, Victorian
Publisher: name: University of Oxford
Year: 2022
Subjects: subject: 220201 Business and Labour History
subject: FOS: Philosophy, ethics and religion
subject: History
subject: 140203 Economic History
subject: FOS: Economics and business

description: This three-year research project began in January 2014 and investigated whether, during the Victorian period, the professions formed a distinct self-sustaining social group with its own mores and values. The project looked at 16,000 individuals drawn from census data for Alnwick, Brighton, Bristol, Dundee, Greenock, Leeds, Merthyr Tydfil, Morpeth, and Winchester. The research project was funded by the UK Economic & Social Research Council and was based at the Universities of Oxford and Northumbria.
Discovering IoT Physical Channel Vulnerabilities
Creators: name: Ozmen, Muslum Ozgur
name: Li, Xuansong
name: Chu, Andrew
name: Celik, Z. Berkay
name: Hoxha, Bardh
name: Zhang, Xiangyu
Publisher: name: arXiv
Year: 2021
Subjects: subject: Cryptography and Security (cs.CR)
subject: Formal Languages and Automata Theory (cs.FL)
subject: FOS: Computer and information sciences

description: Smart homes contain diverse sensors and actuators controlled by IoT apps that provide custom automation. Prior works showed that an adversary could exploit physical interaction vulnerabilities among apps and put the users and environment at risk, e.g., to break into a house, an adversary turns on the heater to trigger an app that opens windows when the temperature exceeds a threshold. Currently, the safe behavior of physical interactions relies on either app code analysis or dynamic analysis of device states with manually derived policies by developers. However, existing works fail to achieve sufficient breadth and fidelity to translate the app code into their physical behavior or provide incomplete security policies, causing poor accuracy and false alarms. In this paper, we introduce a new approach, IoTSeer, which efficiently combines app code analysis and dynamic analysis with new security policies to discover physical interaction vulnerabilities. IoTSeer works by first translating sensor events and actuator commands of each app into a physical execution model (PeM) and unifying PeMs to express composite physical execution of apps (CPeM). CPeM allows us to deploy IoTSeer in different smart homes by defining its execution parameters with minimal data collection. IoTSeer supports new security policies with intended/unintended physical channel labels. It then efficiently checks them on the CPeM via falsification, which addresses the undecidability of verification due to the continuous and discrete behavior of IoT devices. We evaluate IoTSeer in an actual house with 14 actuators, six sensors, and 39 apps. IoTSeer discovers 16 unique policy violations, whereas prior works identify only 2 out of 16 with 18 falsely flagged violations. IoTSeer only requires 30 mins of data collection for each actuator to set the CPeM parameters and is adaptive to newly added, removed, and relocated devices.
description: Published in ACM CCS 2022
(102248) Reginald Reed Richards
Creators: name: Professions, Victorian
Publisher: name: University of Oxford
Year: 2022
Subjects: subject: 220201 Business and Labour History
subject: FOS: Philosophy, ethics and religion
subject: History
subject: 140203 Economic History
subject: FOS: Economics and business

description: This three-year research project began in January 2014 and investigated whether, during the Victorian period, the professions formed a distinct self-sustaining social group with its own mores and values. The project looked at 16,000 individuals drawn from census data for Alnwick, Brighton, Bristol, Dundee, Greenock, Leeds, Merthyr Tydfil, Morpeth, and Winchester. The research project was funded by the UK Economic & Social Research Council and was based at the Universities of Oxford and Northumbria.
Study Protocol: ChatGPT-generated versus expert-written answers to frequently asked questions about diabetes - an e-survey among all employees of a Danish diabetes center
Creators: name: Hulman, Adam
name: Dollerup, Ole Lindgård
name: Mortensen, Jesper Friis
name: Norman, Kasper
name: Støvring, Henrik
name: Hansen, Troels Krarup
Publisher: name: figshare
Year: 2023
Subjects: Endocrinology
Artificial intelligence not elsewhere classified

description: The aim of the study was to investigate ChatGPT’s knowledge in the diabetes domain, more specifically in response to potential questions asked by patients about the disease, medication, diet and physical activity. We hypothesized that participants (employees at a regional diabetes center: Steno Diabetes Center Aarhus), who have at least some and up to expert knowledge about diabetes, will not be able to distinguish between answers written by humans and generated by AI in response to diabetes-related questions. Our secondary hypothesis is that people with contact to patients as caregivers and those who previously tried ChatGPT might be better at identifying answers generated by AI. The survey was developed in Danish. The document is a study protocol including details according to the CHERRIES checklist for e-surveys.
 UPDATE (31/01/2023) The actual survey (including the correct answers and comments on misinformation if any) was uploaded both in Danish (original version used for data collection) and in English (direct translation from Danish using ChatGPT, not used for data collection).
 UPDATE (09/02/2023) The original prompts and ChatGPT-generated answers (incl. edits) were uploaded to supplement the protocol (in Danish).
 UPDATE (13/02/2023) A document including alterations from the original study protocol in the final analysis has been uploaded.
An RCS-Like Retinal Dystrophy Phenotype in Mer Knockout Mice
Creators: name: Matsushima, Glenn
name: Duncan, Jacque
name: Yasumura, Douglas
name: Trautmann, Nikolaus
name: LaVail, Matthew
name: Vollrath, Douglas
name: Yang, Haidong
name: Earp, H. Shelton
name: Feng, Wei
name: Matthes, Michael
name: Chappelow, Aimee
Publisher: name: The University of North Carolina at Chapel Hill University Libraries
Year: 2003

description: PURPOSE. To determine whether mice that are homozygous for a targeted disruption of the Mer receptor tyrosine kinase gene (merkd) manifest a retinal dystrophy phenotype similar to RCS rats, which carry a mutation in the orthologous gene Mertk. METHODS. Eyes of merkdand C57BL/6 wild-type (WT) mice were examined by light and electron microscopy, whole-eye rhodopsin measurement, and Ganzfeld electroretinography (ERG). RESULTS. The merkdmice showed rapid, progressive degeneration of the photoreceptors (PRs). Features of the phenotype common to metkdmice and RCS rats included the absence or near absence of phagosomes in the retinal pigment epithelium (RPE) at the peak of outer segment (OS) disc shedding, accumulation of debris and whorls of membranes at the RPE-OS interface, transient supernormal rhodopsin content and OS lengths, the presence of OS vacuoles beginning at early ages, and a relatively slow removal of pyknotic PR nuclei. Most PRs were missing, and OS debris was removed by approximately postnatal day (P)45. Scotopic ERG responses were lower than age-matched WT responses and declined with PR loss. Photopic responses were preserved better than scotopic responses, corresponding with preferential cone preservation as judged histologically. ERG amplitudes were usually unmeasurable beyond P40, although a small-amplitude scotopic threshold response (STR) could still be elicited at P253 in some mice when only scattered PR nuclei remained. CONCLUSIONS. Ablation of Mer function in merkdmice results in a retinal phenotype almost identical with that of RCS rats. The similarity in phenotypes between the two rodent models suggests that an RPE phagocytic defect is a feature of all types of retinal degeneration caused by loss of function of Mer tyrosine kinase, perhaps including mutations in human MERTK.
Study Protocol: ChatGPT-generated versus expert-written answers to frequently asked questions about diabetes - an e-survey among all employees of a Danish diabetes center
Creators: name: Hulman, Adam
name: Dollerup, Ole Lindgård
name: Mortensen, Jesper Friis
name: Norman, Kasper
name: Støvring, Henrik
name: Hansen, Troels Krarup
Publisher: name: figshare
Year: 2023
Subjects: Endocrinology
Artificial intelligence not elsewhere classified

description: The aim of the study was to investigate ChatGPT’s knowledge in the diabetes domain, more specifically in response to potential questions asked by patients about the disease, medication, diet and physical activity. We hypothesized that participants (employees at a regional diabetes center: Steno Diabetes Center Aarhus), who have at least some and up to expert knowledge about diabetes, will not be able to distinguish between answers written by humans and generated by AI in response to diabetes-related questions. Our secondary hypothesis is that people with contact to patients as caregivers and those who previously tried ChatGPT might be better at identifying answers generated by AI. The survey was developed in Danish. The document is a study protocol including details according to the CHERRIES checklist for e-surveys.
 UPDATE (31/01/2023) The actual survey (including the correct answers and comments on misinformation if any) was uploaded both in Danish (original version used for data collection) and in English (direct translation from Danish using ChatGPT, not used for data collection).
 UPDATE (09/02/2023) The original prompts and ChatGPT-generated answers (incl. edits) were uploaded to supplement the protocol (in Danish).
Personalized Semi-Supervised Federated Learning for Human Activity Recognition
Creators: name: Bettini, Claudio
name: Civitarese, Gabriele
name: Presotto, Riccardo
Publisher: name: arXiv
Year: 2021
Subjects: subject: Machine Learning (cs.LG)
subject: Distributed, Parallel, and Cluster Computing (cs.DC)
subject: FOS: Computer and information sciences

description: The most effective data-driven methods for human activities recognition (HAR) are based on supervised learning applied to the continuous stream of sensors data. However, these methods perform well on restricted sets of activities in domains for which there is a fully labeled dataset. It is still a challenge to cope with the intra- and inter-variability of activity execution among different subjects in large scale real world deployment. Semi-supervised learning approaches for HAR have been proposed to address the challenge of acquiring the large amount of labeled data that is necessary in realistic settings. However, their centralised architecture incurs in the scalability and privacy problems when the process involves a large number of users. Federated Learning (FL) is a promising paradigm to address these problems. However, the FL methods that have been proposed for HAR assume that the participating users can always obtain labels to train their local models. In this work, we propose FedHAR: a novel hybrid method for HAR that combines semi-supervised and federated learning. Indeed, FedHAR combines active learning and label propagation to semi-automatically annotate the local streams of unlabeled sensor data, and it relies on FL to build a global activity model in a scalable and privacy-aware fashion. FedHAR also includes a transfer learning strategy to personalize the global model on each user. We evaluated our method on two public datasets, showing that FedHAR reaches recognition rates and personalization capabilities similar to state-of-the-art FL supervised approaches. As a major advantage, FedHAR only requires a very limited number of annotated data to populate a pre-trained model and a small number of active learning questions that quickly decrease while using the system, leading to an effective and scalable solution for the data scarcity problem of HAR.
TransCrowd: weakly-supervised crowd counting with transformers
Creators: name: Liang, Dingkang
name: Chen, Xiwu
name: Xu, Wei
name: Zhou, Yu
name: Bai, Xiang
Publisher: name: arXiv
Year: 2021
Subjects: subject: Computer Vision and Pattern Recognition (cs.CV)
subject: FOS: Computer and information sciences

description: The mainstream crowd counting methods usually utilize the convolution neural network (CNN) to regress a density map, requiring point-level annotations. However, annotating each person with a point is an expensive and laborious process. During the testing phase, the point-level annotations are not considered to evaluate the counting accuracy, which means the point-level annotations are redundant. Hence, it is desirable to develop weakly-supervised counting methods that just rely on count-level annotations, a more economical way of labeling. Current weakly-supervised counting methods adopt the CNN to regress a total count of the crowd by an image-to-count paradigm. However, having limited receptive fields for context modeling is an intrinsic limitation of these weakly-supervised CNN-based methods. These methods thus cannot achieve satisfactory performance, with limited applications in the real world. The transformer is a popular sequence-to-sequence prediction model in natural language processing (NLP), which contains a global receptive field. In this paper, we propose TransCrowd, which reformulates the weakly-supervised crowd counting problem from the perspective of sequence-to-count based on transformers. We observe that the proposed TransCrowd can effectively extract the semantic crowd information by using the self-attention mechanism of transformer. To the best of our knowledge, this is the first work to adopt a pure transformer for crowd counting research. Experiments on five benchmark datasets demonstrate that the proposed TransCrowd achieves superior performance compared with all the weakly-supervised CNN-based counting methods and gains highly competitive counting performance compared with some popular fully-supervised counting methods.
description: Accepted by Science China Information Sciences (SCIS). Code is available at https://github.com/dk-liang/TransCrowd
(102247) Charles James Richards
Creators: name: Professions, Victorian
Publisher: name: University of Oxford
Year: 2022
Subjects: subject: 220201 Business and Labour History
subject: FOS: Philosophy, ethics and religion
subject: History
subject: 140203 Economic History
subject: FOS: Economics and business

description: This three-year research project began in January 2014 and investigated whether, during the Victorian period, the professions formed a distinct self-sustaining social group with its own mores and values. The project looked at 16,000 individuals drawn from census data for Alnwick, Brighton, Bristol, Dundee, Greenock, Leeds, Merthyr Tydfil, Morpeth, and Winchester. The research project was funded by the UK Economic & Social Research Council and was based at the Universities of Oxford and Northumbria.
Strategies for reducing the light shift in atomic clocks
Creators: name: Katori, Hidetoshi
name: Ovsiannikov, V. D.
name: Marmo, S. I.
name: Palchikov, V. G.
Publisher: name: arXiv
Year: 2015
Subjects: subject: Atomic Physics (physics.atom-ph)
subject: FOS: Physical sciences

description: Recent progress in optical lattice clocks requires unprecedented precision in controlling systematic uncertainties at $10^{-18}$ level. Tuning of nonlinear light shifts is shown to reduce lattice-induced clock shift for wide range of lattice intensity. Based on theoretical multipolar, nonlinear, anharmonic and higher-order light shifts, we numerically demonstrate possible strategies for Sr, Yb, and Hg clocks to achieve lattice-induced systematic uncertainty below $1\times 10^{-18}$.
description: 5 pages, 4 figures
(102246) Kathleen Schaller Martin
Creators: name: Professions, Victorian
Publisher: name: University of Oxford
Year: 2022
Subjects: subject: 220201 Business and Labour History
subject: FOS: Philosophy, ethics and religion
subject: History
subject: 140203 Economic History
subject: FOS: Economics and business

description: This three-year research project began in January 2014 and investigated whether, during the Victorian period, the professions formed a distinct self-sustaining social group with its own mores and values. The project looked at 16,000 individuals drawn from census data for Alnwick, Brighton, Bristol, Dundee, Greenock, Leeds, Merthyr Tydfil, Morpeth, and Winchester. The research project was funded by the UK Economic & Social Research Council and was based at the Universities of Oxford and Northumbria.
EFFICACY OF SESEWANUA (CLERODENDRUM FRAGRANS WILD) MOUTHWASH ON ORAL BACTERIA GROWTH: A QUASI-EXPERIMENT STUDY
Creators: name: Joice Mermy Laoh
name: Marlisa
name: Yos Banne
name: Vega Roosa Fione
name: Rudolf Boyke Purba
name: Baithesda
Publisher: name: Zenodo
Year: 2024
Subjects: Herbal, Mouthwash, Oral Bacteria, Oral Diseases, Oral Hygiene.

description: Abstract

Introduction: Oral diseases have been treated using natural ingredients because of their anti-inflammatory, antioxidant, and antibacterial properties, also found in herbs. Still, only a few studies have examined using herbal-based mouthwashes as antibacterials in the mouth. This study examined the efficacy of a mouthwash containing sesewanua (Clerodendrum Fragrans Wild) on oral bacteria growth. Material and Methods: This quasi-experiment was conducted with one hundred female students. Participants were categorized into four groups of 25 each. Before and after oral hygiene, samples of a swab from oral mucosa and tongue dorsum were examined to count the streptococcus mutans. The outcome measures were analysed using a paired t-test and One-way ANOVA; a p-value of less than 0.05 is defined as statistical significance. Results: We found oral hygiene using 1%, 2%, and 4% sesewanua mouthwash significantly reduced the growth of oral bacteria (p<0.05). The 2% sesewanua mouthwash concentration more effectively reduced oral bacterial growth (p<0.05). There was a decrease in the average amount of bacteria in the oral cavity. Conclusions: The 2% concentration of sesewanua mouthwash works best when lessening oral bacterial growth. Practising regular oral hygiene using the right antibacterial mouthwash is critical due to the rising prevalence of oral diseases globally. The search for alternative products is still significant since herbal remedies made from plants utilized in traditional medicine have shown to be an excellent alternative to chemical medication.  The sesewanua mouthwash may be used as routine oral hygiene to prevent and treat oral diseases in both clinical and community settings.
Cone Deactivation Kinetics and GRK1/GRK7 Expression in Enhanced S Cone Syndrome Caused by Mutations in NR2E3
Creators: name: Birch, David
name: Cideciyan, Artur
name: Gupta, Nisha
name: Osawa, Shoji
name: Wright, Alan
name: Locke, Kristin
name: Jacobson, Samuel
name: Milam, Ann
name: Weiss, Ellen
Publisher: name: The University of North Carolina at Chapel Hill University Libraries
Year: 2003

description: PURPOSE: To determine the relationship between cone deactivation kinetics in patients with the enhanced S cone syndrome (ESCS) caused by mutations in NR2E3 and the immunoreactivity to G-protein-coupled receptor kinase 1 (GRK1) and GRK7. METHODS: Electroretinogram (ERG) photoresponses were used to investigate activation kinetics of cones with a model of cone phototransduction. Deactivation kinetics of cones after bright flashes was quantified with a paired-flash ERG paradigm. Immunocytochemistry was performed with antibodies against cone opsins and kinases GRK1 and GRK7 in postmortem normal and ESCS retinal tissue. RESULTS: Activation kinetics of long/middle-wavelength-sensitive (L/M) cone-mediated responses in patients with ESCS were similar to those of normal L/M cones. Activation kinetics of ESCS short-wavelength-sensitive (S) cones, when compared with normal L/M cone responses evoked by the same stimulus, were slower by an amount consistent with the expected differences in spectral sensitivities. After bright flashes chosen to evoke identical activation kinetics, ESCS S cones deactivated much more slowly than ESCS or normal L/M cones. Normal human retina revealed strongly labeled cone outer segments with anti-GRK1 and anti-GRK7. In an ESCS retina, outer segments positive for L/M opsin were strongly labeled with anti-GRK1, whereas outer segments positive for S opsin showed no detectable GRK1 reactivity. GRK7 labeling was absent in all photoreceptors of the ESCS retina. CONCLUSIONS: The cone-dominant human retina resulting from NR2E3 mutations affords greater understanding of the physiological roles of GRK1 and GRK7 in human cone photoreceptors. Normal deactivation kinetics in human L/M cones can occur without GRK7 when GRK1 is present in ESCS, but does not occur when GRK7 is present but GRK1 is deficient in Oguchi disease. Lack of both GRK1 and GRK7 in S cones of patients with ESCS results in a more pronounced abnormality in deactivation kinetics and suggests the existence of partial compensation by either GRK when the other is deficient.
(102244) Elizabeth Mullett Prideaux
Creators: name: Professions, Victorian
Publisher: name: University of Oxford
Year: 2022
Subjects: subject: 220201 Business and Labour History
subject: FOS: Philosophy, ethics and religion
subject: History
subject: 140203 Economic History
subject: FOS: Economics and business

description: This three-year research project began in January 2014 and investigated whether, during the Victorian period, the professions formed a distinct self-sustaining social group with its own mores and values. The project looked at 16,000 individuals drawn from census data for Alnwick, Brighton, Bristol, Dundee, Greenock, Leeds, Merthyr Tydfil, Morpeth, and Winchester. The research project was funded by the UK Economic & Social Research Council and was based at the Universities of Oxford and Northumbria.
(102243) John Martin
Creators: name: Professions, Victorian
Publisher: name: University of Oxford
Year: 2022
Subjects: subject: 220201 Business and Labour History
subject: FOS: Philosophy, ethics and religion
subject: History
subject: 140203 Economic History
subject: FOS: Economics and business

description: This three-year research project began in January 2014 and investigated whether, during the Victorian period, the professions formed a distinct self-sustaining social group with its own mores and values. The project looked at 16,000 individuals drawn from census data for Alnwick, Brighton, Bristol, Dundee, Greenock, Leeds, Merthyr Tydfil, Morpeth, and Winchester. The research project was funded by the UK Economic & Social Research Council and was based at the Universities of Oxford and Northumbria.
Expression of the Blue-Light Receptor Cryptochrome in the Human Retina
Creators: name: Thompson, Carol
name: Rickman, Dennis
name: Kelly, Una
name: Rickman, Catherine Bowes
name: Ebright, Jessica
name: Sancar, Aziz
name: Shaw, Steven
Publisher: name: The University of North Carolina at Chapel Hill University Libraries
Year: 2003

description: PURPOSE. To analyze the patterns of expression of the cryptochromes, CRY1 and CRY2, in the human retina and to correlate expression of these putative blue-light receptors with nonvisual photoreceptor localization. METHODS. CRY1 and CRY2 mRNA expression was analyzed in 4-mm diameter punches of macula and midperipheral human retina by quantitative RT-PCR. CRY2 protein expression was examined by immunohistochemistry in cross sections of human retina, and its subcellular localization was determined by immunoblot analysis of fractionated human retinal extracts. RESULTS. CRY2 mRNA was 11 times more abundant than CRY1 throughout adult human retina. CRY2 immunoreactivity was detected in most cells in the ganglion cell layer (GCL) and in a subset of cells in the inner nuclear layer (INL) in both the macula and periphery. Immunoperoxidase staining further revealed that CRY2 was localized throughout the cytoplasm of cells in the GCL as well as within nuclei. This intracellular localization of CRY2 was confirmed by immunoblot analysis of fractionated human retinal extracts. CONCLUSIONS. Photopigments governing circadian photoreception have been localized to the inner retina. The relative abundance of CRY2 transcripts, coupled with CRY2 localization to the inner retina, supports a photoreceptive role for CRY2 in human retina. Furthermore, the discovery that CRY2 is also localized within the cytoplasm of some cells in the GCL, suggests it may perform a function separate from its known nuclear role in the transcriptional feedback loop underlying the molecular circadian clock.
(102242) Joan Treffry Prideaux
Creators: name: Professions, Victorian
Publisher: name: University of Oxford
Year: 2022
Subjects: subject: 220201 Business and Labour History
subject: FOS: Philosophy, ethics and religion
subject: History
subject: 140203 Economic History
subject: FOS: Economics and business

description: This three-year research project began in January 2014 and investigated whether, during the Victorian period, the professions formed a distinct self-sustaining social group with its own mores and values. The project looked at 16,000 individuals drawn from census data for Alnwick, Brighton, Bristol, Dundee, Greenock, Leeds, Merthyr Tydfil, Morpeth, and Winchester. The research project was funded by the UK Economic & Social Research Council and was based at the Universities of Oxford and Northumbria.
A simple consistent Bayes factor for testing the Kendall rank correlation coefficient
Creators: name: Zhang, Shen
name: Ye, Keying
name: Wang, Min
Publisher: name: arXiv
Year: 2021
Subjects: subject: Methodology (stat.ME)
subject: FOS: Computer and information sciences

description: In this paper, we propose a simple and easy-to-implement Bayesian hypothesis test for the presence of an association, described by Kendall's τcoefficient, between two variables measured on at least an ordinal scale. Owing to the absence of the likelihood functions for the data, we employ the asymptotic sampling distributions of the test statistic as the working likelihoods and then specify a truncated normal prior distribution on the noncentrality parameter of the alternative hypothesis, which results in the Bayes factor available in closed form in terms of the cumulative distribution function of the standard normal distribution. Investigating the asymptotic behavior of the Bayes factor we find the conditions of the priors so that it is consistent to whichever the hypothesis is true. Simulation studies and a real-data application are used to illustrate the effectiveness of the proposed Bayes factor. It deserves mentioning that the proposed method can be easily covered in undergraduate and graduate courses in nonparametric statistics with an emphasis on students' Bayesian thinking for data analysis.
description: 21 pages, 6 figures and 1 table
(102241) Kethurah Thirza Raymond
Creators: name: Professions, Victorian
Publisher: name: University of Oxford
Year: 2022
Subjects: subject: 220201 Business and Labour History
subject: FOS: Philosophy, ethics and religion
subject: History
subject: 140203 Economic History
subject: FOS: Economics and business

description: This three-year research project began in January 2014 and investigated whether, during the Victorian period, the professions formed a distinct self-sustaining social group with its own mores and values. The project looked at 16,000 individuals drawn from census data for Alnwick, Brighton, Bristol, Dundee, Greenock, Leeds, Merthyr Tydfil, Morpeth, and Winchester. The research project was funded by the UK Economic & Social Research Council and was based at the Universities of Oxford and Northumbria.
Rabi-like splitting and refractive index sensing with hybrid Tamm plasmon-cavity modes
Creators: name: Jena, S.
name: Tokas, R. B.
name: Thakur, S.
name: Udupa, D. V.
Publisher: name: arXiv
Year: 2021
Subjects: subject: Optics (physics.optics)
subject: FOS: Physical sciences

description: Rabi-like splitting and self-referenced refractive index sensing in hybrid plasmonic-1D photonic crystal structures have been theoretically demonstrated. The coupling between Tamm plasmon and cavity photon modes are tuned by incorporating a low refractive index spacer layer adjacent to the metallic layer to form their hybrid modes. Anticrossing of the modes observed at different values of spacer layer thickness validates the strong coupling between the two modes and causes Rabi-like splitting with different splitting energy. Rabi-like splitting energy decreases with increasing number of periods (N) and refractive index contrast (η) of two dielectric materials used to make the 1D photonic crystals, and the observed variation is explained by an analytical model. Angular and polarization dependency of the hybrid modes shows that the polarization splitting of the lower hybrid mode is much stronger than that of the upper hybrid mode. On further investigation, it is seen that one of the hybrid modes remains unchanged while other mode undergoes significant change with varying the cavity medium. This nature of the hybrid modes has been utilized for designing self-referenced refractive index sensors for sensing different analytes. For η=1.333 and N=10 in a hybrid structure, the sensitivity increases from 51 nm/RIU to 201 nm/RIU with increasing cavity thickness from 170 nm to 892 nm. For the fixed cavity thickness of 892 nm, the sensitivity increases from 201 nm/RIU to 259 nm/RIU by increasing η from 1.333 to 1.605. The sensing parameters such as detection accuracy, quality factor, and figure of merit for two different hybrid structures ([η=1.333, N=10] and [η=1.605, N=6]) have been evaluated and compared. The value of resonant reflectivity of one of the hybrid modes changes considerably with varying analyte medium which can be used for refractive index sensing.
(102240) James Connor
Creators: name: Professions, Victorian
Publisher: name: University of Oxford
Year: 2022
Subjects: subject: 220201 Business and Labour History
subject: FOS: Philosophy, ethics and religion
subject: History
subject: 140203 Economic History
subject: FOS: Economics and business

description: This three-year research project began in January 2014 and investigated whether, during the Victorian period, the professions formed a distinct self-sustaining social group with its own mores and values. The project looked at 16,000 individuals drawn from census data for Alnwick, Brighton, Bristol, Dundee, Greenock, Leeds, Merthyr Tydfil, Morpeth, and Winchester. The research project was funded by the UK Economic & Social Research Council and was based at the Universities of Oxford and Northumbria.
Quantum error reduction with deep neural network applied at the post-processing stage
Creators: name: Zhukov, A. A.
name: Pogosov, W. V.
Publisher: name: arXiv
Year: 2021
Subjects: subject: Quantum Physics (quant-ph)
subject: FOS: Physical sciences

description: Deep neural networks (DNN) can be applied at the post-processing stage for the improvement of the results of quantum computations on noisy intermediate-scale quantum (NISQ) processors. Here, we propose a method based on this idea, which is most suitable for digital quantum simulation characterized by the periodic structure of quantum circuits consisting of Trotter steps. A key ingredient of our approach is that it does not require any data from a classical simulator at the training stage. The network is trained to transform data obtained from quantum hardware with artificially increased Trotter steps number (noise level) towards the data obtained without such an increase. The additional Trotter steps are fictitious, i.e., they contain negligibly small rotations and, in the absence of hardware imperfections, reduce essentially to the identity gates. This preserves, at the training stage, information about relevant quantum circuit features. Two particular examples are considered that are the dynamics of the transverse-field Ising chain and XY spin chain, which were implemented on two real five-qubit IBM Q processors. A significant error reduction is demonstrated as a result of the DNN application that allows us to effectively increase quantum circuit depth in terms of Trotter steps.
description: 11 pages
Modulation of Corneal Fibroblast Contractility within Fibrillar Collagen Matrices
Creators: name: Vishwanath, Mridula
name: Ma, Lisha
name: Jester, James
name: Otey, Carol
name: Petroll, W. Matthew
Publisher: name: The University of North Carolina at Chapel Hill University Libraries
Year: 2003

description: PURPOSE. To investigate the migratory and contractile behavior of isolated human corneal fibroblasts in fibrillar collagen matrices. METHODS. A telomerase-infected, extended-lifespan human corneal fibroblast cell line (HTK) was transfected by using a vector for enhanced green fluorescent protein (GFP)-α-actinin. Cells were plated at low density on top of or within 100-μm-thick fibrillar collagen lattices. After 18 hours to 7 days, time-lapse imaging was performed. At each 1- to 3-minute interval, GFP and Nomarski differential interference contrast (DIC) images were acquired in rapid succession. Serum-containing (S+) medium was used initially for perfusion. After 2 hours, perfusion was switched to either serum-free (S-) or S+ medium containing the Rho-kinase inhibitor Y-27632 for 1 to 2 hours. Finally, perfusion was changed back to S+ medium for 1 hour. RESULTS. Two to 4 days after plating, many cells underwent spontaneous contraction and/or relaxation in S+ medium. A decrease in the distance between consecutive α-actinin-dense bodies along stress fibers was measured during contraction, and focal adhesion and matrix displacements correlated significantly. Removal of serum or inhibition of Rho-kinase induced cell body elongation and relaxation of matrix stress, as confirmed using finite element modeling. Rapid formation and extension of pseudopodia and filopodia were also observed, and transient tractional forces were generated by these extending processes. CONCLUSIONS. Cultured human corneal fibroblasts can undergo rapid changes in the subcellular pattern of force generation that are mediated, in part, by Rho-kinase. Sarcomeric shortening of stress fibers in contracting corneal fibroblasts is also demonstrated for the first time.
title: Ηγετικές δεξιότητες και διαχείρηση αλλαγής στη διοίκηση ανθρώπινου δυναμικού
title: Leadership skills and change management in human resource management
titleType: AlternativeTitle
Creators: name: Καινούργιος, Παναγιώτης
Publisher: name: Πανεπιστήμιο Δυτικής Αττικής
Year: 2024
Subjects: Διαχείριση αλλαγών
Ηγεσία
Ελληνικές επιχειρήσεις
Ναυτιλία
Παρακίνηση εργαζομένων
Αποτελεσματική ηγεσία

description: Η διαχείριση των αλλαγών και η ηγεσία, αποτελεί σημαντικό παράγοντα για την επιτυχία των σύγχρονων επιχειρήσεων. Σε έναν κόσμο που αλλάζει καθημερινά και επηρεάζεται από πολλούς τομείς, όπως η τεχνολογική ανάπτυξη, οι επιχειρήσεις βαίνουν στην διαδικασία προσαρμογής και πολλές φορές αναπροσαρμογής σε νέες συνθήκες, τάσεις και απαιτήσεις. Η διαδικασία αυτή μπορεί να προκαλέσει αναστάτωση, όχι μόνο στο εξωτερικό περιβάλλον των οργανισμός αλλά και στο εσωτερικό. Η διαχείριση των αλλαγών αναμφισβήτητα απαιτεί από τις επιχειρήσεις πρακτικότητα, ευελιξία και αποτελεσματική επικοινωνία σε όλα τα επίπεδα και τμήματα. Από το πρώτο στάδιο, δηλαδή την αναγνώριση των αναγκών για αλλαγή έως και το τελευταίο, που αφορά την υλοποίηση και την αξιολόγησή αυτών των αλλαγών, οι επιχειρήσεις πρέπει να διαθέτουν διάφορες παραδοσιακές, αλλά και σύγχρονές στρατηγικές, τόσο για την λειτουργία τους, όσο και για τα στελέχη τους, που θα τους επιτρέπουν να αντιμετωπίζουν την οποιαδήποτε αλλαγή με επιτυχία. Στην παρούσα εργασία, θα εξετάσουμε τη σημασία της διαχείρισης αλλαγών στις επιχειρήσεις, τις προκλήσεις που αντιμετωπίζουν οι ηγέτες και οι οργανισμοί κατά την εφαρμογή των αλλαγών, καθώς και τις βέλτιστες πρακτικές που μπορούν να υιοθετηθούν για να επιτευχθεί μια ομαλή μετάβαση και να εξασφαλιστεί η επιτυχία των αλλαγών στο μέλλον. Πιο συγκεκριμένα θα αναλύσουμε το ζήτημα της διαχείρισης αλλαγής των ελληνικών επιχειρήσεων, δίνοντας έμφαση και μελετώντας εκτενέστερα τον κλάδο της ναυτιλίας. Όλα αυτά προέρχονται από πρωτογενείς και δευτερογενείς πληροφορίες από μέσα όπως οι ίδιες οι επιχειρήσεις, το διαδίκτυο, εφημερίδες, εγκυκλοπαίδειες και συγγράμματα τόσο του επιχειρηματικού, όσο και του ναυτιλιακού κλάδου.
(102238) Mary L Pope
Creators: name: Professions, Victorian
Publisher: name: University of Oxford
Year: 2022
Subjects: subject: 220201 Business and Labour History
subject: FOS: Philosophy, ethics and religion
subject: History
subject: 140203 Economic History
subject: FOS: Economics and business

description: This three-year research project began in January 2014 and investigated whether, during the Victorian period, the professions formed a distinct self-sustaining social group with its own mores and values. The project looked at 16,000 individuals drawn from census data for Alnwick, Brighton, Bristol, Dundee, Greenock, Leeds, Merthyr Tydfil, Morpeth, and Winchester. The research project was funded by the UK Economic & Social Research Council and was based at the Universities of Oxford and Northumbria.
title: Development of graphene-based materials as antimicrobial additives for 3D polymers
Creators: name: Payrits, Luka
Publisher: name: TU Wien
Year: 2023
Subjects: subject: Graphene
subject: Antimicrobial actitivity
subject: Graphene
subject: Antimicrobial actitivity

description: The goal of the diploma thesis was to achieve antibacterial properties by graphene materials themselves, enhancement due doping of graphene materials by Ag(I) and Cu(I)-ions, or enhancement due deposition of Ag-NP, Cu-NP, Cu/Cu2O-NP, Cu2(OH)3Cl-NP (copper oxychloride) on graphene oxide and integration into different kind of resins that could be polymerised using 3D printing. Materials with antibacteral properties could be used as alternative medical devices such as dental aerosol exhausters, plastic masks, or different kind of prothesis and implants. The main purpose is to achieve good antimicrobial properties while mechanical and printing properties of polymers would not deteriorate due modification and graphene material additions. Graphene oxide was produced via electrochemical exfoliation of graphite rods. The graphene oxide was reduced and modified by the materials mentioned above. The versatile graphene modifications were mixed with two different resins that are commonly used in 3D printing for medical devices namely the LT Dental and the Standard Grey resins. Rectangular and cubic formations were 3D printed under well-defined conditions. The produced graphene oxide modifications were characterised via several methods such as Raman spectroscopy, SEM/EDX, XRD spectroscopy. Furthermore, on the polymer composites different kinds of antimicrobial property analysis were carried out such as OD600 measurements for screening, subsequent well plate analysis, LDH cytotoxicity assay, Cellular ROS assay and Presto Blue Cell Viability Reaction, respectively. The characterization of the novel graphene oxide modifications was very promising, and the composites were stable over a longer period. However, after the application to polymers the antibacterial property analysis was not showing so high effectiveness than the one in the literature [1], so the process of the additive manufacturing needs to be improved and changed in order to achieve better results.
Αυθεντική ηγεσία και καινοτομία σε δημόσιους εκπαιδευτικούς και αθλητικούς οργανισμούς για άτομα με αναπηρίες στην Ελλάδα
Creators: name: Τουμπέκη, Χριστιάνα
Publisher: name: Πανεπιστήμιο Πελοποννήσου
Year: 2024
Subjects: subject: Άτομα με ειδικές ανάγκες - Εκπαίδευση
subject: Φυσική αγωγή για παιδιά με ειδικές ανάγκες
subject: Σχολική διοίκηση και οργάνωση - Ελλάδα
subject: Άτομα με ειδικές ανάγκες - Ενσωμάτωση
subject: Τεχνολογικές καινοτομίες
subject: Δημοτικοί αθλητικοί οργανισμοί
subject: Εκπαιδευτική ηγεσία
subject: People with disabilities - Education
subject: Physical education for children with disabilities
subject: School management and organization - Greece
subject: Integration of people with disabilities
subject: Technological innovations
subject: Municipal sports organizations
subject: Educational leadership
subject: Αυθεντική ηγεσία
subject: Καινοτομία
subject: Εκπαιδευτικοί οργανισμοί
subject: Αθλητικοί οργανισμοί
subject: Αναπηρία
subject: Authentic leadership
subject: Innovation
subject: Educational organizations
subject: Sports organizations
subject: Disability

description: Η παρούσα διατριβή διερευνά τον ρόλο της αυθεντικής ηγεσίας και της καινοτομίας σε δημόσιους εκπαιδευτικούς και αθλητικούς οργανισμούς που εξυπηρετούν άτομα με αναπηρίες στην Ελλάδα. Η μελέτη υπογραμμίζει τη σημασία αυτών των οργανισμών στην προώθηση της κοινωνικής ένταξης και της ισότιμης πρόσβασης στην εκπαίδευση και τον αθλητισμό για τα άτομα με αναπηρίες. Στη μελέτη χρησιμοποιήθηκε δείγμα 126 διευθυντών από δημόσιους εκπαιδευτικούς και αθλητικούς οργανισμούς που απευθύνονται σε άτομα με αναπηρίες στην Ελλάδα. Η συλλογή δεδομένων επιτεύχθηκε ηλεκτρονικά με τη χρήση ερωτηματολογίου. Οι αυτοαναφερόμενες αξιολογήσεις των ηγετών αποτέλεσαν τη βάση της έρευνας, με τα ευρήματα να προσφέρουν πολύτιμες πληροφορίες. Οι ηγέτες αξιολόγησαν τους εαυτούς τους υψηλά σε όλες τις διαστάσεις της αυθεντικής ηγεσίας, με τη διαφάνεια να λαμβάνει την υψηλότερη βαθμολογία. Η εμπειρία είτε στη διδασκαλία είτε σε αθλητικούς οργανισμούς, αναδείχθηκε ως θετική επιρροή στις ηγετικές ιδιότητες και οι ηγέτες με μεγαλύτερη εμπειρία επέδειξαν υψηλότερα επίπεδα αυτογνωσίας και ισορροπημένης επεξεργασίας. Επιπλέον, η συμμετοχή σε εκπαιδευτικά σεμινάρια συνδέθηκε επίσης με ισχυρότερη διαφάνεια και ηθικές προοπτικές. Η μελέτη εντόπισε μια ασθενή αλλά θετική συσχέτιση μεταξύ συγκεκριμένων διαστάσεων της αυθεντικής ηγεσίας και της καινοτομίας εντός των οργανισμών. Αυτό υποδηλώνει ότι η καλλιέργεια πρακτικών αυθεντικής ηγεσίας μπορεί να είναι πολλά υποσχόμενη για την προώθηση της καινοτομίας εντός των εν λόγω οργανισμών. Η μελέτη υπογραμμίζει τη σημασία των προγραμμάτων ανάπτυξης αυθεντικής ηγεσίας για τους οργανισμούς που εξυπηρετούν άτομα με αναπηρίες. Προτείνει ότι το Υπουργείο Παιδείας και Αθλητισμού θα μπορούσε να σχεδιάσει στρατηγικά προγράμματα παρακολούθησης που στοχεύουν στις βασικές αρχές της αυθεντικής ηγεσίας, καλλιεργώντας μια γενιά ηγετών ικανών να περιηγηθούν στις σύγχρονες οργανωτικές πολυπλοκότητες.
Associations between the Metabolic Syndrome and Retinal Microvascular Signs: The Atherosclerosis Risk in Communities Study
Creators: name: Duncan, Bruce
name: Klein, Barbara
name: Golden, Sherita Hill
name: Hubbard, Larry
name: Schmidt, Maria
name: Wong, Tien Yin
name: Sharrett, A. Richey
name: Couper, David
name: Klein, Ronald
Publisher: name: The University of North Carolina at Chapel Hill University Libraries
Year: 2004

description: PURPOSE. To examine the cross-sectional relationship of the metabolic syndrome (hypertension, hyperglycemia, central obesity, and dyslipidemia) and retinal microvascular abnormalities in middle-aged men and women. METHODS. A population-based, cross-sectional study involving 11,265 persons aged 49 to 73 years who had retinal photography from 1993 through 1995. Photographs were graded for presence of retinal microvascular signs (microaneurysms, retinal hemorrhages, arteriovenous nicking, and focal arteriolar narrowing) according to a standardized protocol. To quantify retinal vessel diameters, photographs were digitized and individual arteriolar and venular diameters were measured and summarized. The metabolic syndrome was defined according to the Third Report of the National Cholesterol Education Program Adult Treatment Panel. RESULTS. After adjustment for age, gender, race, education, cigarette smoking and alcohol consumption, persons with the metabolic syndrome were more likely to have retinopathy (odds ratio [OR] 1.68, 95% confidence interval [CI], 1.45-1.96), arteriovenous nicking (OR 1.30, 95% CI, 1.16-1.45), focal arteriolar narrowing (OR 1.24, 95% CI, 1.10-1.38), generalized retinal arteriolar narrowing (OR 1.23, 95% CI, 1.12-1.35), and generalized retinal venular dilatation (OR 1.30, 95% CI, 1.18-1.48) than persons without the metabolic syndrome. Associations for arteriovenous nicking, focal arteriolar narrowing, generalized arteriolar narrowing, and venular dilatation were noted, even in people without diabetes or hypertension. CONCLUSIONS. These data suggest that the metabolic syndrome is associated with microvascular changes in the retina. This finding reflects, in part, the associations of individual syndrome components with retinal microvascular abnormalities.
Shadows of the SIS immortality transition in small networks
Creators: name: Holme, Petter
Publisher: name: arXiv
Year: 2015
Subjects: subject: Populations and Evolution (q-bio.PE)
subject: Physics and Society (physics.soc-ph)
subject: FOS: Biological sciences
subject: FOS: Physical sciences

description: Much of the research on the behavior of the SIS model on networks has concerned the infinite size limit; in particular the phase transition between a state where outbreaks can reach a finite fraction of the population, and a state where only a finite number would be infected. For finite networks, there is also a dynamic transition---the immortality transition---when the per-contact transmission probability $λ$ reaches one. If $λ< 1$, the probability that an outbreak will survive by an observation time $t$ tends to zero as $t \rightarrow \infty$; if $λ= 1$, this probability is one. We show that treating $λ= 1$ as a critical point predicts the $λ$-dependence of the survival probability also for more moderate $λ$-values. The exponent, however, depends on the underlying network. This fact could, by measuring how a vertex' deletion changes the exponent, be used to evaluate the role of a vertex in the outbreak. Our work also confirms an extremely clear separation between the early die-off (from the outbreak failing to take hold in the population) and the later extinctions (corresponding to rare stochastic events of several consecutive transmission events failing to occur).
description: Bug fixes from the first version