cometadata/datacite-rtg-text-other-reclassification-records huggingface dataset:
Evidence for topological band inversion of the phase change material Ge2Sb2Te5
Creators: name: Pauly, Christian
name: Liebmann, Marcus
name: Giussani, Alessandro
name: Kellner, Jens
name: Just, Sven
name: Sánchez-Barriga, Jaime
name: Rienks, Emile
name: Rader, Oliver
name: Calarco, Raffaella
name: Bihlmayer, Gustav
name: Morgenstern, Markus
Publisher: name: arXiv
Year: 2013
Subjects: subject: Mesoscale and Nanoscale Physics (cond-mat.mes-hall)
subject: Materials Science (cond-mat.mtrl-sci)
subject: FOS: Physical sciences

description: We present an angle-resolved photoemission study of a ternary phase change material, namely Ge2Sb2Te5, epitaxially grown on Si(111) in the metastable cubic phase. The observed upper bulk valence band shows a minimum at Gamma-bar being 0.3 eV below the Fermi level E_F and a circular Fermi contour around Gamma-bar with a dispersing diameter of 0.27-0.36 Anstroms^-1. This is in agreement with density functional theory calculations of the Petrov stacking sequence in the cubic phase which exhibits a topological surface state. The topologically trivial cubic KH stacking shows a valence band maximum at Gamma in line with all previous calculations of the hexagonal stable phase exhibiting the valence band maximum at Gamma for a trivial Z_2 topological invariant nu_0 and away from Gamma for non-trivial nu_0. Scanning tunneling spectroscopy exhibits a band gap of 0.4 eV around E_F.
Heat Kernels on the AdS(2) cone and Logarithmic Corrections to Extremal Black Hole Entropy
Creators: name: Gupta, Rajesh Kumar
name: Lal, Shailesh
name: Thakur, Somyadip
Publisher: name: arXiv
Year: 2013
Subjects: subject: High Energy Physics - Theory (hep-th)
subject: General Relativity and Quantum Cosmology (gr-qc)
subject: FOS: Physical sciences

description: We develop new techniques to efficiently evaluate heat kernel coefficients for the Laplacian in the short-time expansion on spheres and hyperboloids with conical singularities. We then apply these techniques to explicitly compute the logarithmic contribution to black hole entropy from an N=4 vector multiplet about a Z(N) orbifold of the near-horizon geometry of quarter--BPS black holes in N=4 supergravity. We find that this vanishes, matching perfectly with the prediction from the microstate counting. We also discuss possible generalisations of our heat kernel results to higher-spin fields over Z(N) orbifolds of higher-dimensional spheres and hyperboloids.
description: 41 pages
A Study on Classification in Imbalanced and Partially-Labelled Data Streams
Creators: name: Lyon, R. J.
name: Brooke, J. M.
name: Knowles, J. D.
name: Stappers, B. W.
Publisher: name: arXiv
Year: 2013
Subjects: subject: Instrumentation and Methods for Astrophysics (astro-ph.IM)
subject: Machine Learning (cs.LG)
subject: FOS: Physical sciences
subject: FOS: Computer and information sciences

description: The domain of radio astronomy is currently facing significant computational challenges, foremost amongst which are those posed by the development of the world's largest radio telescope, the Square Kilometre Array (SKA). Preliminary specifications for this instrument suggest that the final design will incorporate between 2000 and 3000 individual 15 metre receiving dishes, which together can be expected to produce a data rate of many TB/s. Given such a high data rate, it becomes crucial to consider how this information will be processed and stored to maximise its scientific utility. In this paper, we consider one possible data processing scenario for the SKA, for the purposes of an all-sky pulsar survey. In particular we treat the selection of promising signals from the SKA processing pipeline as a data stream classification problem. We consider the feasibility of classifying signals that arrive via an unlabelled and heavily class imbalanced data stream, using currently available algorithms and frameworks. Our results indicate that existing stream learners exhibit unacceptably low recall on real astronomical data when used in standard configuration; however, good false positive performance and comparable accuracy to static learners, suggests they have definite potential as an on-line solution to this particular big data challenge.
description: 6 Pages, 2 figures, to be published in Proceedings 2013 IEEE International Conference on Systems, Man, and Cybernetics (SMC)
Rattus everetti
Creators: name: Musser, Guy G.
name: Carleton, Michael D.
Publisher: name: Zenodo
Year: 1993
Subjects: Biodiversity
Taxonomy
Animalia
Chordata
Mammalia
Rodentia
Muridae
Rattus
Rattus everetti

description: Rattus everetti (Günther, 1879). Proc. Zool. Soc. Lond., 1879:75. TYPE LOCALITY: Philippines, N Mindanao Isl (Heaney and Rabor, 1982). DISTRIBUTION: Islands of Luzon, Catanduanes, Mindoro, Sibuyan, Ticao, Camiguin, Samar, Calicoan, Leyte, Dinagat, Siargao, Mindanao, Basilan, Bohol, Biliran, and Maripipi; probably occurs on other islands in the Philippine archipelago (Musser and Heaney, 1992). SYNONYMS: albigularis, gala, tagulayensis, tyrannus. COMMENTS: May be more than one species represented in insular samples (tyrannus, for example), and the everetti complex needs critical systematic revision. Similar to the core group of Rattus in cranial, dental, and spermatozoal characters (Breed and Musser, 1991; Musser and Heaney, 1992), but not closely related to other species of Rattus endemic to the Philipines. Member of the Philippine New Endemics, but distantly related to other genera in that group (Musser and Heaney, 1992).
description: Published as part of Guy G. Musser & Michael D. Carleton, 1993, Order Rodentia - Family Muridae, pp. 501-755 in Mammal Species of the World (2 nd Edition), Washington and London :Smithsonian Institution Press on pages 651-652, DOI: 10.5281/zenodo.7353098
description: {"references": ["Heaney, L. R., and D. S. Rabor. 1982. Mammals of Dinagat and Siargao islands, Philippines. Occasional Papers of the Museum of Zoology, University of Michigan, 699: 1 - 30.", "Musser, G. G., and L. R. Heaney. 1992. Philippine rodents: Definitions of Tarsomys and Limnomys plus a preliminary assessment of phylogenetic patterns among native Philippine murines (Murinae, Muridae). Bulletin of the American Museum of Natural History, 211: 1 - 138.", "Breed, W. G., and G. G. Musser. 1991. Sulawesi and Philippine rodents (Muridae): A survey of spermatozoal morphology and its significance for phylogenetic inference. American Museum Novitates, 3003: 1 - 15."]}
Toward a Formal Model of the Shifting Relationship between Concepts and Contexts during Associative Thought
Creators: name: Veloz, Tomas
name: Gabora, Liane
name: Eyjolfson, Mark
name: Aerts, Diederik
Publisher: name: arXiv
Year: 2013
Subjects: subject: Neurons and Cognition (q-bio.NC)
subject: Artificial Intelligence (cs.AI)
subject: FOS: Biological sciences
subject: FOS: Computer and information sciences

description: The quantum inspired State Context Property (SCOP) theory of concepts is unique amongst theories of concepts in offering a means of incorporating that for each concept in each different context there are an unlimited number of exemplars, or states, of varying degrees of typicality. Working with data from a study in which participants were asked to rate the typicality of exemplars of a concept for different contexts, and introducing an exemplar typicality threshold, we built a SCOP model of how states of a concept arise differently in associative versus analytic (or divergent and convergent) modes of thought. Introducing measures of state robustness and context relevance, we show that by varying the threshold, the relevance of different contexts changes, and seemingly atypical states can become typical. The formalism provides a pivotal step toward a formal explanation of creative thought proesses.
description: 11 pages; 2 figures
Spin Squeezing of Superposition of Biaxial State and two qubit Bell State
Creators: name: Ashourisheikhi, Sakineh
Publisher: name: arXiv
Year: 2013
Subjects: subject: Quantum Physics (quant-ph)
subject: FOS: Physical sciences

description: In this study we investigate the spin squeezing in superposition of a Biaxial state [1,2] and Bell state. Numerical and analytical solutions for the length of mean spin, mean spin direction and spin squeezing are given. It is shown that both the mean spin direction and spin squeezing parameter are determined by the coefficients of superposition and the relative phase.
description: Int. J. Theor. Phys. (2013)
AdS Chern-Simons Gravity induces Conformal Gravity
Creators: name: Aros, Rodrigo
name: Diaz, Danilo E.
Publisher: name: arXiv
Year: 2013
Subjects: subject: General Relativity and Quantum Cosmology (gr-qc)
subject: High Energy Physics - Theory (hep-th)
subject: FOS: Physical sciences

description: The leitmotif of this paper is the question of whether four- and higher even-dimensional Conformal Gravities do have a Chern-Simons pedigree. We show that Weyl gravity can be obtained as dimensional reduction of a five-dimensional Chern-Simons action for a suitable (gauged-fixed, tractor-like) five-dimensional AdS connection. The gauge-fixing and dimensional reduction program admits a readily generalization to higher dimensions for the case of certain conformal gravities obtained by contractions of the Weyl tensor.
description: 13 pages, references added, typos corrected
title: Практикум по дисциплине «Теория дискретных автоматов» для студентов 3-го курса направления подготовки 10.03.01 «Информационная безопасность».
Creators: name: ELS IPR BOOKS
Publisher: name: Донской государственный технический университет
Year: 2019

description: В компактной форме приводятся теоретические сведения, задания для выполнения практических работ и контрольные вопросы. Практикум может быть использован для самостоятельной работы студентов 3-го курса направления подготовки 10.03.01 «Информационная безопасность».
Determinants of the Financial Performance of a Private Commercial Bank in Ethiopia
Creators: name: Tesfaye, Rahel
name: Shete, Maru
Publisher: name: Journal of Business and Administrative Studies
Year: 2023

description: This study examines the determinants of financial performance of a private commercial bank by using the monthly financial statement of Bank ''X''[1] from 2011 to 2016. A quantitative research approach was adopted, and the data were estimated using the Ordinary Least Square approach of multiple linear regression model. The study examined only internal factors such as capital adequacy, loan to deposit ratio, income diversification, operating efficiency, export, liquidity, loan performance and deposit mobilization as explanatory variables. Return on Asset, Return on Equity and Net Interest Margin were used as dependant variables to measure the financial performance of the Bank. The finding of the study revealed that income diversification, deposit amount, export level and loan performance have a significant influence on the financial performance of Bank ''X''. Therefore, it is recommended that commercial banks should increase export proceed, capital and loan production, and should diversify the sources of non-interest incomes in order to improve financial performances, and stay competitive enough in the banking industry. [1]Due to the confidentiality of the information collected from the bank, the name of the bank is kept anonymous.
description: Journal of Business and Administrative Studies, Vol. 7 No. 2 (2015): Journal of Business and Administrative Studies (JBAS)
Checking Flavour Models at Neutrino Facilities
Creators: name: Meloni, Davide
Publisher: name: arXiv
Year: 2013
Subjects: subject: High Energy Physics - Phenomenology (hep-ph)
subject: FOS: Physical sciences

description: In the recent years, the industry of model building has been the subject of the intense activity, especially after the measurement of a relatively large values of the reactor angle. Special attention has been devoted to the use of non-abelian discrete symmetries, thanks to their ability of reproducing some of the relevant features of the neutrino mixing matrix. In this paper, we consider two special relations between the leptonic mixing angles, arising from models based on S4 and A4, and study whether, and to which extent, they can be distinguished at superbeam facilities, namely T2K, NOvA and T2HK.
description: 13 pages, 8 figures, references added, version to be published in PLB
Effects of Employees’ Perception of Performance Appraisal Fairness on Job Satisfaction (The Case of Adama Science and Technology University)
Creators: name: Tadesse, Ewnetu
name: Dadi, Habtamu
name: Lemma, Mesfin
Publisher: name: Journal of Business and Administrative Studies
Year: 2023

description: This study investigates the effect employees’ perception of fairness in the performance appraisal system on job satisfaction of an employee. The perceived fairness in appraisal system is discussed with the help of organizational justice theory which was principally derived from Adam’s equity theory and used by many researchers in organizational research. The perception of fairness in performance appraisal system consists of three main factors: Distributive justice, procedural justice, interactional justice and are used as independent variables and job satisfaction of an employee as dependent variable. Using a random sample of 297 employees from a total of 1624 population the required data is obtained through structured questionnaires. Descriptive statistics, independent sample t-test, one way- ANOVA, correlation analysis and multiple regression analysis were performed. The independent sample t-test shows that there is significant difference between genders in fairness perception in performance appraisal system, however there is no significant difference between genders in distributive and procedural fairness perception. The one way-ANOVA test shows that there is significant difference among work experience groups and age level groups, however no significant difference found among educational level groups. The descriptive finding of the study shows that in ASTU employees had low level of fairness perception towards the existing performance appraisal practice, and low level of job satisfaction. The correlation analysis result also indicates that distributive, procedural and interactional fairness in the appraisal system had positive and significant relationship with job satisfaction. Whereas the finding of multiple regression analysis indicates that distributive, procedural and interactional fairness in the appraisal system had positive and significant influence job satisfaction. The human resource management of the University should create organizational climate that enhance positive perception among employees regarding distributive, procedural, and interactive justices of performance appraisal more than ever.
description: Journal of Business and Administrative Studies, Vol. 8 No. 2 (2016): Journal of Business and Administrative Studies (JBAS)
The Practices and Challenges of Cleaning and Disinfecting Water Storage Tanks in the city of Addis Ababa
Creators: name: Mammo, Dereje Bacha
Publisher: name: Journal of Business and Administrative Studies
Year: 2023

description: Water storage tanks, which are not cleaned and disinfected regularly, undergo a complex interaction with the environment and bring deterioration on the quality of water and thereby health-related problems. This study assessed the practices and challenges of cleaning and disinfecting of household water storage tanks in Yeka and Bole sub-cities of Addis Ababa. Interviews on structured and semi-structured questionnaire and field observation were conducted to collect data on a range of variables such as the number of years the water storage tank is used, the practice of cleaning water tank, the awareness of the society towards cleaning and disinfecting water storage tanks, the frequency of cleaning and disinfection, and how they treat water for consumption, etc. Questionnaire was distributed to a total of 197 respondents, of which 190 of them (96.4% response rate) responded and were included in the analysis. For water quality assessment, 12 water samples were taken direct from household's reservoirs tanks. The collected data were analyzed using descriptive statistics, and laboratory analysis. The results of the study indicated that households give little attention to water storage tanks cleaning and disinfecting. Unavailability of professional water storage tank cleaners, inaccessibility of the location of the water storage tanks, lack of awareness of household's on the sanitary condition of their tanks and lack of modern tank cleaning and disinfecting equipment and products, are some of the challenges that hindered household's water storage tank management. The results of laboratory analysis on water samples taken indicated that a significant level of water-borne pathogens exist in the water storage tanks that deteriorate the quality of water for consumption, which makes it unsafe for use. Thus, using water from water storage tanks for consumption purpose has a severe impact on household's health. Regular monitoring and examination of water storage tanks for the presence of photogenic organisms, chemicals and physical parameters should be made. Furthermore, to maintain the health status of the dwellers of the city, awareness on the safety-level of household's stored water should be created.
description: Journal of Business and Administrative Studies, Vol. 8 No. 2 (2016): Journal of Business and Administrative Studies (JBAS)
Determinants of Project Success in NGOs: The Case of PACT Ethiopia
Creators: name: Tesfahun, Metalign Ayehu
name: Shete, Maru
Publisher: name: Journal of Business and Administrative Studies
Year: 2023

description: This study is designed to investigate the determinants of project success in an international non-governmental organization in Ethiopia. It adopted a cross sectional research design and collected both quantitative and qualitative data from a total of 36 projects that were implemented between 2004 and 2016 by Pact-Ethiopia. Project success was conceptualized as a function of efficiency and effectiveness. It was measured employing a composite index comprised of cost and schedule performance indices as well as performance of the project against key indicators. Accordingly, while two-third of Pacts projects were successfully completed, 22% and 11% were found to be moderately successful and challenged projects respectively. A range of independent variables were regressed against the dependent variable (project success) using the ordered logit model. The result revealed that comprehensiveness of the work plan, procurement, project team building and monitoring and evaluation were found to be statistically significant.
description: Journal of Business and Administrative Studies, Vol. 9 No. 1 (2017): Journal of Business and Administrative Studies (JBAS)
Relativistic and thermal effects on the magnon spectrum of a ferromagnetic monolayer
Creators: name: Rózsa, L.
name: Udvardi, L.
name: Szunyogh, L.
Publisher: name: arXiv
Year: 2013
Subjects: subject: Strongly Correlated Electrons (cond-mat.str-el)
subject: FOS: Physical sciences

description: A spin model including magnetic anisotropy terms and Dzyaloshinsky-Moriya interactions is studied for the case of a ferromagnetic monolayer with C2v symmetry like Fe/W(110). Using the quasiclassical stochastic Landau-Lifshitz-Gilbert equations, the magnon spectrum of the system is derived using linear response theory. The Dzyaloshinsky-Moriya interaction leads to asymmetry in the spectrum, while the anisotropy terms induce a gap. It is shown that in the presence of lattice defects, both the Dzyaloshinsky-Moriya interactions and the two-site anisotropy lead to a softening of the magnon energies. Two methods are developed to investigate the magnon spectrum at finite temperatures. The theoretical results are compared to atomistic spin dynamics simulations and a good agreement is found between them.
description: 32 pages, 13 figures
title: Практикум по дисциплине «Теория массового обслуживания»
Creators: name: ELS IPR BOOKS
Publisher: name: Донской государственный технический университет
Year: 2019

description: Представлены методические рекомендации по выполнению практических работ по дисциплине «Теория массового обслуживания». Приведены индивидуальные задания и примеры решения задач. Предназначены для обучающихся укрупненной группы направлений бакалавриата 27.00.00 Управление в технических системах и других направлений.
Rattus feliceus Thomas 1920
Creators: name: Musser, Guy G.
name: Carleton, Michael D.
Publisher: name: Zenodo
Year: 1993
Subjects: Biodiversity
Taxonomy
Animalia
Chordata
Mammalia
Rodentia
Muridae
Rattus
Rattus feliceus

description: Rattus feliceus Thomas, 1920. Ann. Mag. Nat. Hist., ser. 9, 6:423. TYPE LOCALITY: Indonesia, Kepulauan Maluku, Pulau Seram, Gunung Manusela, 6000 ft. DISTRIBUTION: Known only from Seram Isl. COMMENTS: An amplified description and comparison with R. koopmani from Peleng Isl were provided by Musser and Holden (1991), who also discussed past, and incorrect, subspecific allocations of feliceus to other species of Rattus. Phylogenetic affinities of R. feliceus are with species of Rattus endemic to New Guinea region (Musser and Holden, 1991).
description: Published as part of Guy G. Musser & Michael D. Carleton, 1993, Order Rodentia - Family Muridae, pp. 501-755 in Mammal Species of the World (2 nd Edition), Washington and London :Smithsonian Institution Press on page 652, DOI: 10.5281/zenodo.7353098
description: {"references": ["Musser, G. G., and M. E. Holden. 1991. Sulawesi rodents (Muridae: Murinae): Morphological and geographical boundaries of species in the Rattus hoffmanni group and a new species from Pulau Peleng. Pp. 322 - 413, in Contributions to mammalogy in honor of Karl F. Koopman (T. A. Griffiths and D. Klingener, eds.). Bulletin of the American Museum of Natural History, 206: 1 - 432."]}
Determinants of Adoption of Mobile Banking Services: The Case of South Addis Ababa District, Commercial Bank of Ethiopia
Creators: name: Simachew, Worku
Publisher: name: Journal of Business and Administrative Studies
Year: 2023

description: Commercial banks in Ethiopia introduced mobile banking technology. However, the numbers of users of the services are very small, even by African standard. This research paper aims to identify the factors that affect the adoption of mobile banking technology in the South Addis Ababa district of Commercial bank of Ethiopia. A sample of 384 customers were selected based on stratified and convenient sampling techniques, from which 362 respondents replied appropriately to the survey questionnaire. Data were analyzed using the binary logistic regression model, in addition to. descriptive statistics tools such as frequency, percentage, mean, and standard deviation. The study found out that sex, income, perceived security of the technology, perceived usefulness of the service, experience on technology and voluntarism to use the service have positive and significant effect on the adoption of mobile banking service. Therefore, to increase the penetration and growth of mobile banking service, Commercial bank of Ethiopia should work on the correlates that affect the adoption of the service.
description: Journal of Business and Administrative Studies, Vol. 9 No. 1 (2017): Journal of Business and Administrative Studies (JBAS)
Assessment of Pay scale Determination Practices at St. Mary’s University
Creators: name: Eshete, Zelalem Ayalew
Publisher: name: Journal of Business and Administrative Studies
Year: 2023

description: The purpose of the study was to examine how the pay scale of St. Mary’s University (SMU) has been determined or established and to analyze whether the pay scale may serve as a motivational tool. Qualitative and quantitative research approaches and descriptive research design was pursued. Stratified and convenient sampling techniques were employed in administering the questionnaires. Out of 220 senior (serve 5 years and beyond in the University) staff members residing in Addis Ababa, 74 were stratified and 94 copies of questionnaire were distributed for alleviating of disqualified questionnaire and non-responses. Therefore, the response rate of the questionnaire was 69%. Validity and reliability tests were conducted and results (average Cronbach’s alpha coefficient of 0.790) proven to be both reliable and valid. Data were subjected to simple descriptive statistics and analysis was made using SPSS 20 for quantitative data and interpretational and reflective for qualitative data. The study will contribute to and expand the frontiers of knowledge in the field of study; enrich the literature and forward directions to the management of the University to identify the areas of pay scale weaknesses and improve pay policy so as to acquire and retain best minds that will enable the University to achieve its goals. The study is limited to the phenomenon of only one institution on the thematic area, hence, practices of other similar institutions does not compared & included that the research could not start with the general research gap in the thematic area. Results of the study shows that pay scale practices of SMU is resulting on intuitive decisions of the top management regardless of proper job evaluation and grading (JEG) processes and lacking commensuration with internal alignment and external market pressures. The researcher concluded that emphasis should be given to periodically review of the pay policy and pay scale up on meeting standardized principles and procedures. Furthermore, pay in-equity and unfairness is also becoming severe. Therefore, the University ought to effort promoting equal pay for work of equal volume and shall seek to provide salaries that attract, retain and motivate competent employees.
description: Journal of Business and Administrative Studies, Vol. 9 No. 1 (2017): Journal of Business and Administrative Studies (JBAS)
The Role of Remittance on Economic Growth in Ethiopia: An ARDL Approach
Creators: name: Tenaye, Abel
Publisher: name: Journal of Business and Administrative Studies
Year: 2023

description: The study was carried out to find out the role of remittance on economic growth in Ethiopia from the period 1980 to 2016 along with other macroeconomic variables. Both descriptive statistics and time serious econometrics model were employed to analyze the data. The study employs an Autoregressive Distributed Lag (ARDL) model to co-integration in order to investigate the long and short-run relationship and Error correction model to estimate the short run effect. The long-run empirical result using the bound test reveals that GDP has a long-run relationship with remittance, human capital, and openness to trade. The ARDL estimation suggested that remittance and human capital affects GDP in the long-run. However openness to trade didn’t show a significant association with GDP. The short-run Error correction estimation also shows that remittance and human capital had a short-run association with GDP. Therefore, in order to sustain long run growth apart from working on remittance and human capital the government should design appropriate policies that results in the efficient use of resources contributing to economic growth and proper management of variables that could contribute to national output.
description: Journal of Business and Administrative Studies, Vol. 9 No. 2 (2017): Journal of Business and Administrative Studies (JBAS)
Collision and Diffusion in Microwave Breakdown of Nitrogen Gas in and around Microgaps
Creators: name: Campbell, J. D.
name: Bowman, A.
name: Lenters, G. T.
name: Remillard, S. K.
Publisher: name: arXiv
Year: 2013
Subjects: subject: Plasma Physics (physics.plasm-ph)
subject: FOS: Physical sciences

description: The microwave induced breakdown of N2 gas in microgaps was modeled using the collision frequency between electrons and neutral molecules and the effective electric field concept. Low pressure breakdown at the threshold electric field occurs outside the gap, but at high pressures it is found to occur inside the microgap with a large threshold breakdown electric field corresponding to a very large electron oscillation amplitude. Three distinct pressure regimes are apparent in the microgap breakdown: a low pressure multipactor branch, a mid-pressure Paschen branch, both of which occur in the space outside the microgap, and a high pressure diffusion-drift branch, which occurs inside the microgap. The Paschen and diffusion-drift branches are divided by a sharp transition and each separately fits the collision frequency model. There is evidence that considerable electron loss to the microgap faces accompanies the diffusion-drift branch in microgaps.
description: 4 figures
The Demand for Child Health Care and its Determinants in Oromia Regional State, Ethiopia
Creators: name: Molla, Abel
Publisher: name: Journal of Business and Administrative Studies
Year: 2023

description: The paper tried to estimate the demand for modern health care of child in Oromia regional state by using a nested multinomial logit model using full information maximum likelihood technique that estimated both decisions of using modern health care and health care provider choices simultaneously. The study used the Ethiopian socioeconomic survey data which is collected by the World Bank in 2015/16. The estimated result of the upper level model, which is the choice between modern health care and no care, variables such as education of the child's father, access to health care and access to public transport positively and significantly affected the demand for modern health care of children. On the other hand, distance to asphalt road, number of children in the household and availability of mothers in the household negatively and significantly affected the decision of using modern health care. The estimation of the lower level model (i.e, choice of health care provider) indicated that choice of private health care provider significantly decreased for households with large family size but public health care provider significantly increased for household with large family size. Privet health care choices significantly increased for households who live in communities where drug stores are available and households who have access to information. On the other hand, the use of both public and private health care providers generally declines as age of household head increases and male headed households significantly reduced the use of private health care provider.
description: Journal of Business and Administrative Studies, Vol. 9 No. 2 (2017): Journal of Business and Administrative Studies (JBAS)
Using nix for computational social science workflows
Creators: name: Boy, John D.
Publisher: name: Zenodo
Year: 2023
Subjects: nix
hpc
computational social science

description: The nix package manager is a powerful way to install exactly the software needed for a specific workflow. It also allows making those workflows reproducible—and humanly comprehensible—by specifying the exact versions of each program used. On top of that, because of the vast amount of software that is packaged for it, it makes experimenting with new packages extremely easy. I will share how I set up and use nix on ALICE so that I can bring my computational environment with me when running jobs on the cluster.
Untitled‘Enlightened change agents with leadership skills’: A scoping review of competency-based curricula in public health PhD education
Creators: name: Mr Ciarán McCarthy
name: Professor Mary Clarke
name: OLeary, Noreen
Publisher: name: OSF Registries
Year: 2023
Subjects: subject: Medicine and Health Sciences
subject: Education

description: There is growing momentum for PhD curricula to move away from traditional apprenticeship models and to adopt competency-based education models. The objectives of this study were to identify key drivers for adopting competency-based curricula during PhD training and to articulate key competencies to be developed as part of the curriculum for PhD public health training. Relevant peer-reviewed and gray literature published between 2002-2022 was included. Data were extracted using Microsoft Excel and the findings were grouped descriptively. 22 records were included, with the USA showing the most progress regarding competency integration. Key drivers for adopting competency-based curricula include meeting emerging challenges in the public health field and preparing graduates for a labor market beyond the academic route. Communication and leadership skills have emerged as key competencies that require further development. PhD education must be underpinned by clearly defined competencies relevant to the public health context and supporting graduates move to the next phase of their careers.
Rattus foramineus Sody 1941
Creators: name: Musser, Guy G.
name: Carleton, Michael D.
Publisher: name: Zenodo
Year: 1993
Subjects: Biodiversity
Taxonomy
Animalia
Chordata
Mammalia
Rodentia
Muridae
Rattus
Rattus foramineus

description: Rattus foramineus Sody, 1941. Treubia, 18:308. TYPE LOCALITY: Indonesia, SW Sulawesi, Bulukumba. DISTRIBUTION: Known only from a few localities on coastal lowlands near the end of the SW peninsula of Sulawesi. COMMENTS: Sody described pelurus from Pulau Peleng as a subspecies of R. foramineus, but the Peleng Isl rat is a distinct species (Musser and Holden, 1991). Rattus foramineus is represented only by four modern specimens (Sody, 1941) and subfossil fragments (Musser, 1984; Musser and Holden, 1991). Laurie and Hill (1954) listed R. foramineus as incertae sedis, but Musser (1984) treated it as a subspecies of R. xanthurus , and Musser and Holden (1991) considered it to be a species most closely related to R. bontanus , which replaces it on slopes of Gunung Lampobatang, Sulawesi.
description: Published as part of Guy G. Musser & Michael D. Carleton, 1993, Order Rodentia - Family Muridae, pp. 501-755 in Mammal Species of the World (2 nd Edition), Washington and London :Smithsonian Institution Press on page 652, DOI: 10.5281/zenodo.7353098
description: {"references": ["Musser, G. G., and M. E. Holden. 1991. Sulawesi rodents (Muridae: Murinae): Morphological and geographical boundaries of species in the Rattus hoffmanni group and a new species from Pulau Peleng. Pp. 322 - 413, in Contributions to mammalogy in honor of Karl F. Koopman (T. A. Griffiths and D. Klingener, eds.). Bulletin of the American Museum of Natural History, 206: 1 - 432.", "Sody, H. J. V. 1941. On a collection of rats from the Indo- Malayan and Indo- Australian regions (with descriptions of 43 new genera, species and subspecies). Treubia, 18: 255 - 325.", "Musser, G. G. 1984. Identities of subfossil rats from caves in southwestern Sulawesi. Modern Quaternary Research in Southeast Asia, 8: 61 - 94.", "Laurie, E. M. O., and J. E. Hill. 1954. List of land mammals of New Guinea, Celebes and adjacent islands 1758 - 1952. British Museum (Natural History) Publications, London, 175 pp."]}
Random Field XY Model in Three Dimensions: The Role of Vortices
Creators: name: Garanin, D. A.
name: Chudnovsky, E. M.
name: Proctor, T.
Publisher: name: arXiv
Year: 2013
Subjects: subject: Statistical Mechanics (cond-mat.stat-mech)
subject: FOS: Physical sciences

description: We study vortex states in a 3d random-field XY model of up to one billion lattice spins. Starting with random spin orientations, the sample freezes into the vortex-glass state with a stretched-exponential decay of spin correlations, having short correlation length and a low susceptibility, compared to vortex-free states. In a field opposite to the initial magnetization, peculiar topological objects -- walls of spins still opposite to the field -- emerge along the hysteresis curve. On increasing the field strength, the walls develop cracks bounded by vortex loops. The loops then grow in size and eat the walls away. Applications to magnets and superconductors are discussed.
description: 5 pages, 8 figures
The use of manner demonstratives in discourse: A contrastive study of Wan (Mande) and Kambaata (Cushitic)
Creators: name: Nikitina, Tatiana
name: Treis, Yvonne
Publisher: name: Zenodo
Year: 2020

description: This chapter compares manner demonstratives in two unrelated African languages, Kambaata (Cushitic, Ethiopia) and Wan (Mande, Côte d'Ivoire). Both languages have specialised manner demonstratives, yet differ strikingly in their typological profile and in the way the manner demonstratives behave syntactically. Through systematic comparison of data from both languages, similarities, which are likely due to common semantic mechanisms of meaning extension, and differences, which are likely due to structural differences between the languages, are identified. It is argued that, despite the shared core meanings, manner demonstratives belong to different syntactic classes in Kambaata and in Wan. The difference in syntactic category helps account for the striking dissimilarities in the range of attested extended uses.
Welfare Impacts of Gasha Microfinance in Addis Ababa, Ethiopia: Evidence using the Propensity Score Matching Approach
Creators: name: Urga, Abiyot
name: Shete, Maru
Publisher: name: Journal of Business and Administrative Studies
Year: 2023

description: The study evaluated the contribution of Gasha microfinance services in improving welfare of its clients. The study adopted a causal research design with quantitative research approach. Primary data were generated from a total of 220 (100 program participants and 120 non-participants) respondents. The logit model was employed to estimate the propensity scores for participation. Matching estimators were adopted to investigate impacts of microfinance services on incomes, saving, and expenditure on health and education. The finding indicated that participation in Gasha microfinance service contributed positively to the wellbeing of participants through increased income, saving levels, and total expenditure. The authors collected fresh data from program participants and non-participants (who are eligible and on the waiting lists) of Gasha microfinance, and analyzed the data using acceptable methodology.
description: Journal of Business and Administrative Studies, Vol. 9 No. 2 (2017): Journal of Business and Administrative Studies (JBAS)
Sudden change of quantum discord for a system of two qubits
Creators: name: Pinto, João P. G.
name: Karpat, Goktug
name: Fanchini, Felipe F.
Publisher: name: arXiv
Year: 2013
Subjects: subject: Quantum Physics (quant-ph)
subject: FOS: Physical sciences

description: It is known that quantum discord might experience a sudden transition in its dynamics when calculated for certain Bell-diagonal states (BDS) that are in interaction with their surroundings. We examine this phenomenon known as the sudden change of quantum discord, considering the case of two qubits independently interacting with dephasing reservoirs. We first numerically demonstrate that, for a class of initial states which can be chosen arbitrarily close to BDS, the transition is in fact not sudden, although it might numerically appear so if not studied carefully. Then, we provide an extension of this discussion covering the X-shaped density matrices. Our findings suggest that the transition of quantum discord might be sudden only for an highly idealized zero-measure subset of states within the set of all possible initial conditions of two qubits.
description: 5 pages, 2 figures (Published version)
Practices and Challenges of Saving Mobilization: The Case of Specialized Financial & Promotional Institution
Creators: name: Assefa, Wudma Wolde
Publisher: name: Journal of Business and Administrative Studies
Year: 2023

description: The objective of this study was to assess the practice & challenges of saving mobilization of Micro Finance Institutions in the case of Specialized Financial & promotional institution (SFPI). The lending activity of the micro finance institution is made possible by\mobilizing enough funds from their customers. The target population for the study include branch managers, operation supervisors and saving& credit officers those having two years and above experience & potential saving clients involved in deposit mobilization. Data collected through primary data such as questionnaire and secondary data from the annual reports of SFPI. The sampling method in the branches staff for the study used census method & the sampling size was 125 from all operational staffs while a multi staged stratified random sampling technique used to select a total of 160 active saving clients. Descriptive method was adopted for the study to analyze the data. The researcher used structured questionnaire for employees and customers of SFPI and reviewed five year annual report. The findings have shown that, SFPI has not conducted regular promotion, poor branch expansion trend, poor incentive system to staff and customers, provided of poor training to staff. Challenges that face microfinance institutions are Poor saving habits or cultures in the society, inflation & political instability & unstable economic conditions, unavailability of appropriate organizational structure, competition, Lack of management information system and loan default. The study, therefore, the researcher recommend that the management of the SFPI has to consider expanding of branches, conducting of regular promotion, to apply management information system, capacity building for frontline staff, and develop incentive system to staff & potential client to make more saving mobilization.
description: Journal of Business and Administrative Studies, Vol. 10 No. 1 (2018): Journal of Business and Administrative Studies (JBAS)
An Earth-sized planet with an Earth-like density
Creators: name: Pepe, Francesco
name: Cameron, Andrew Collier
name: Latham, David W.
name: Molinari, Emilio
name: Udry, Stéphane
name: Bonomo, Aldo S.
name: Buchhave, Lars A.
name: Charbonneau, David
name: Cosentino, Rosario
name: Dressing, Courtney D.
name: Dumusque, Xavier
name: Figueira, Pedro
name: Fiorenzano, Aldo F. M.
name: Gettel, Sara
name: Harutyunyan, Avet
name: Haywood, Raphaëlle D.
name: Horne, Keith
name: Lopez-Morales, Mercedes
name: Lovis, Christophe
name: Malavolta, Luca
name: Mayor, Michel
name: Micela, Giusi
name: Motalebi, Fatemeh
name: Nascimbeni, Valerio
name: Phillips, David
name: Piotto, Giampaolo
name: Pollacco, Don
name: Queloz, Didier
name: Rice, Ken
name: Sasselov, Dimitar
name: Ségransan, Damien
name: Sozzetti, Alessandro
name: Szentgyorgyi, Andrew
name: Watson, Christopher A.
Publisher: name: arXiv
Year: 2013
Subjects: subject: Earth and Planetary Astrophysics (astro-ph.EP)
subject: FOS: Physical sciences

description: Kepler-78 (KIC 8435766) was identified by Sanchis-Ojeda et al. (2013) as harbouring a transiting planet of 1.16 times the size of the Earth and an orbital period of only 8.5 hours. While the exquisite Kepler photometry was able to determine its radius and period, the mass of the planet (and thus its mean density) remained unconstrained in the absence of precise radial-velocity measurements. Here we present an accurate mass measurement of Kepler-78b using the HARPS-N spectrograph, recently installed on the Telescopio Nazionale Galileo (INAF) at the Roque de los Muchachos Observatory, La Palma, Spain. These new data yield a mass of 1.86 Earth masses. The resulting mean density of the planet is 5.57 grams per cubic centimetre, which is similar to that of the Earth and implies a composition of iron and rock. Kepler-78b, which orbits a Sun-like star called Kepler 78 located in the Cygnus constellation at a distance of about 400 light years from us, is now the smallest exoplanet for which both the mass and radius are known accurately.
description: 10 Pages, 8 figures, 5 tables, data. Nature, 2013 (published online Oct. 30)
Assessment of Challenges and Performance of Ethiopian Export Market
Creators: name: Lemma, Mesfin
name: Ali, Biniam
Publisher: name: Journal of Business and Administrative Studies
Year: 2023

description: Export is an important ingredient for country’s economic growth and sustainable development, like in Ethiopia; it is the back bone of the country’s economy. The main objective of the study was to assess challenges, opportunities and performance of Ethiopian export market in the past three years (2015 -2017). The study was conducted by the relevant primary and secondary data from the key staff member of the exporting companies, their associations and the government bodies through questioners and deep interviews. After the data has been collected, it was analyzed by using simple statistical techniques which is tables and percentages. The findings of the study showed that, there are many challenges in the internal and external environment of the exporters. The major factors are strong international competition, high transportation costs and ineffective national export promotion programs. In the overall export performance as country wide was deteriorating year after year and the firm’s perception about their performance was extremely dissatisfied. However, the country has opened many doors for promoting the sector in many incentive packages. Finally, based on the findings, results and analysis of the study a general and policy implication recommendations are forwarded. In general recommendations, top management of the company should work on the improvement of their product quality and uniqueness, the firm should be cost sensitive for their products by minimizing costs and increase their competitive advantages in the global market. In additional, the policy implications to increasing the availability of credit facilities, simplifying export sector regulations and formulation short-term and long-term export growth policies are essential to improve export performance of the country.
description: Journal of Business and Administrative Studies, Vol. 10 No. 1 (2018): Journal of Business and Administrative Studies (JBAS)
Metrically conditioned vowel length in Dagaare
Creators: name: Anttila, Arto
name: Adams Bodomo
Publisher: name: Zenodo
Year: 2019

description: There is little evidence for stress in Dagaare, but vowel length alternations in nominal and verbal morphology reveal the presence of a word-initial metrical foot. New evidence for the foot hypothesis comes from action nominals formed with the suffix /-UU/: if the root is CV, the root lengthens and the suffix shortens; if the root is CVV the suffix shortens; if the root ends in C nothing happens. Similar length alternations appear more idiosyncratically with number and aspect suffixes. A metrical analysis provides a simple account of these vowel length alternations.
Relationship between Income Inequality and Economic Growth in Ethiopia
Creators: name: Girma, Tigist
name: Shete, Maru
Publisher: name: Journal of Business and Administrative Studies
Year: 2023

description: The objective of this study is to investigate the relationship between income inequality and economic growth in Ethiopia. The study hypothesized the existence of long -run and short -run relationship between income inequality and economic growth. It used time series data for 2002 to 2017 and employed Auto Regressive Distributed Lag Model (ARDL) in a time series econometric framework. In the long-run co-integration analysis economic growth is found to be statistically significant, and if income inequality is increased by one percent, real GDP will grow by 13.8 percent. In the short-run, the error correction model was found to be statistically significant at 5% significance level with a negative sign implying that the error correction procedure converged monotonically to the equilibrium path relatively quickly and high significance of ECM (-1) is evidence to the existence of established stable long-run relationship between the variables. The positive relationship between income inequality and economic growth indicates that high income inequality followed the Kuznets hypothesis since Ethiopia is a low income country.
description: Journal of Business and Administrative Studies, Vol. 10 No. 1 (2018): Journal of Business and Administrative Studies (JBAS)