Miracle-dz/UniFAR-FTUs huggingface dataset:
Integrating Business Analytics into SMEs in Mexico: Challenges and Opportunities

Entrepreneurs in Mexico start their businesses out of need, based on good ideas or to accomplish a “dream”. Nonetheless, starting out a business is not an easy task. Usually, business owners lack either professional background or financial knowledge, and focus only on keeping the business afloat, while trying to obtain profits. Business Intelligence and Analytics serve a great purpose in the growth of any company, but it is usually left out or ignored by small or medium enterprises, due to a lack of knowledge or because owners do not consider it necessary for a mid to long term plan. In the long run, businesses usually fail to achieve profit or cannot continue, and end up not knowing what went wrong. The information that a business generates could serve as a starting point for good and solid decision making, but the culture that dominates small and medium enterprises on any industry leaves important information unrecorded or unattended, forcing them to work based only on trial and error.
The quality of life assessment of chronic schizophrenia and diabetic patients with WHO-QOL in Indian population: a comparative study

Background: Schizophrenia is a chronic, severe and disabling psychiatric disorder and diabetes mellitus is one of the most prevalent non psychiatric chronic illnesses. Both the diseases have common features of their chronicity, economic burden and dysfunction of occupation. QOL becomes more important health outcome tool in disorders that are chronic or where treatment continues over a long period. Methodology: In this study, descriptive survey was used to collect the data. Demographics details, laboratory results, given drugs, medical and medication history were documented in to the data entry form and were asked to fill the BREF WHOQOL questionnaires (Malayalam version). Results: The BREF WHOQOL score was high in Diabetic group in all the four domains as compared with the Schizophrenia group. Since P value is less than . 05 in all cases, the difference is statistically significant. Discussion: The schizophrenia patients may have problems in maintaining relationships, frustration in working place, social isolation and stigma which again make their QoL scores lower especially when compared to a chronic physical illness like diabetes. The low score in schizophrenia indicates that mental illness influence above components of this domain. Conclusion: Mental health care is an integral part of healthcare. psychiatric illnesses is associated with lower QoL. Received: 19-022018
Sintomatología física y mental asociada al síndrome de burnout en los profesionales de la enseñanza

Abstract:Physical and mental symptomatology associated with burnout syndrome in teachers.The aim of the present study was to examine the association between burnout and somatic and psychopathological symptomatology, in a sample of 171 teachers working in educational institutions (preschool, elementary school, and middle school). Participants completed the Maslach Burnout Inventory (MBI), the Somatic Symptoms Scale–Revised (Escala de Síntomas Somáticos–Revisada, ESS-R), and the Symptoms Assessment–45 Questionnaire (SA-45). Results indicate that the MBI dimension of “emotional exhaustion” is closely associated with somatic and psychopathological symptoms. Also, we found that teachers with burnout syndrome reported a higher level of (somatic and psychopathologic) symptomatology compared to non-burnout teachers. Results are discussed in relation to possible profiles associated with burnout.Key words: Burnout syndrome; teachers; somatic symptoms; psychopathological symptoms, health. Resumen:El objetivo del presente estudio consistió en examinar la asociación entre el burnout y la sintomatología somática y psicopatológica en una muestra de 171 docentes (media de edad = 39.23, DT= 11.12) que trabajaban en centros educativos (preescolar, primaria, y ESO/bachillerato). Los participantes cumplimentaron el Maslach Burnout Inventory (MBI), la Escala de Síntomas Somáticos–Revisada (ESS-R), y el Symptoms Assessment–45 Questionnaire (SA-45). Los resultados indican que la dimensión de “agotamiento emocional” del MBI se asocia estrechamente a la sintomatología somática y psicopatológica. Así mismo, se constata que los docentes con síndrome de burnout informan de mayor nivel de sintomatología (somática y psicopatológica) comparado con los docentes sin el síndrome. Se discuten los resultados en relación con los posibles perfiles asociados al burnout.Palabras clave: Síndrome de burnout; docentes; profesores; síntomas somáticos; síntomas psicopatológicos; salud.
Comparison of Indoor Air Quality in Schools: Urban vs. Industrial 'Oil & Gas' Zones in Akwa Ibom State – Nigeria

This study was carried out to assess indoor air quality (IAQ) in schools in Akwa Ibom State of Nigeria during the rainy (June – July) and dry (November – December) seasons of 2018. IAQ parameters were examined to assess pollutant levels in schools within Akwa Ibom State in single setting only (naturally ventilated classrooms). Schools were randomly selected from two zones: zone 1 which is located within the Capital City (Uyo metropolis) and represents the 'urban sector', and zone 2 which is located within the southern part of the state in close proximity to the oil and gas industrial region and represents the 'industrial sector'. Indoor air investigation included the following parameters: particulate matter (PM1, PM2, PM5, and PM10), carbon monoxide (CO), carbon dioxide (CO2) levels, temperature and relative humidity, which were simultaneously measured in fourteen (14) sampling days using Fluke 985 Particle Counter and Fluke 975 AirMeter. Multiple statistically analysis techniques were used to compare IAQ parameters and test for significant differences between the zones (urban vs. industrial) and annual seasonal variations. The concentrations of particulate matter (PM) in the naturally ventilated classroom in industrial zone during the rainy season ranged from 5152 – 5984 μg/m3 for PM1; 2744 – 3207 μg/m3 for PM2; 137 – 149 μg/m3 for PM5; 38 – 46 μg/m3 for PM10 and in urban zone, the concentrations of PM ranged from 1978 – 2491 μg/m3 for PM1; 1010 – 1311 μg/m3 for PM2; 38 – 56 μg/m3 for PM5; 15 – 24 μg/m3 for PM10. During the dry season, the concentrations of PM in the naturally ventilated classroom in industrial zone ranged from 6138 – 6999 μg/m3 for PM1; 2984 – 3980 μg/m3 for PM2; 146 – 159 μg/m3 for PM5; 47 – 59 μg/m3 for PM10 and in urban zone, the concentrations of PM ranged from 2556 – 3972 μg/m3 for PM1; 1911 – 2311 μg/m3 for PM2; 51 – 66 μg/m3 for PM5; 18 – 34 μg/m3 for PM10. Results of this study has revealed that the concentrations of PM1, PM2, PM5, and PM10 measured in the naturally ventilated classroom in industrial zone were significantly (p 10 measured were found to be much lower than the ambient maximum contaminant level for airborne PM10 standard promulgated by the United States Environmental Protection Agency (US–EPA) (150 μg/m3 daily average and 50 μg/m3 annual average) and World Health Organization (WHO) PM10 guidelines values (50 μg/m3 daily average and 20 μg/m3 annual average). Apart from re–suspension of atmospheric particles, anthropogenic activities in industrial zone significantly influenced the measured concentrations of PM compared to those measured in urban zone. In addition, the lower concentration of CO and CO2 measured indicated adequate air exchange at the time of the assessment in the naturally ventilated classrooms during the sampling period. The results obtained reveal important contributions towards understanding of airborne PM distribution patterns and the available data can be used for making public health policies.
Why is the decline of routine jobs across Europe so uneven

Previous SKOPE research has looked at the consequences of changes in the occupational structure of the UK on outcomes such as wage inequality (Holmes and Mayhew 2012) and occupational or earnings mobility (Holmes and Mayhew 2014). This Issues Paper looks in the broadest terms at how occupational structures have changed across the UK’s European neighbours, and what factors might be driving diverging experiences. For this, I consider the importance of educational attainment, unions, employment protection legislation, and minimum wages.
No guaranteed neutrino astronomy without (enough) taus

Since 2013, the highest energy IceCube cascade showers overcame the common muon neutrino tracks. This fast flavor changes, above few tens TeV, has been indebt to the injection of the long searched astrophysical neutrino. However for what concern the recent published ICECUBE 54 neutrino, High Energy Starting Events, (HESE) in 2016, as well as the most recent ones of 82 and 103 IceCube events (2017-2018) and the several dozens of thorough-going muon tracks formed around the IceCube, none of them are pointing or clustering toward any expected x, gamma or radio sources: no one in connection to GRB, no toward active BL Lac, neither to AGN source in Fermi catalog. No clear correlation with nearby mass distribution (Local Group), nor with galactic plane. Withal, there have not been any record of the expected double bang due to the tau neutrino birth and decay among several events above 200 TeV energy (we are disregarding for a moment the most celebrated recent first correlated, but unique, muon track and the recent two tau possible identification); no any self-clustering events at tens TeV energy raised in most recent searches. Furthermore, there is a tension between the internal HESE event spectra power index and the external thorough-going muon tracks one. As we will show at the conclusions a more mundane (but a bit more abundant) prompt charmed atmospheric neutrino component may pollute and rule the data, explaining most of the present enlisted IceCube puzzles. We review the last HESE event data shown in early and in most recent papers (and talks in Neutrino 2018) making the case for the simplest conclusions. We believe that most astrophysical neutrino signals are still hidden below the ashes of these new, anyway discovered, prompt atmospheric noise.
The Current Value of the Mathematical Provision: A Financial Risk Prospect

The paper addresses the question of the calculation of the current value of the mathematical provision and moulds it in a deterministic and stochastic scenario, using a proper term structure of interest rates estimated by means of a Cox-Ingersoll-Ross model. It provides a complete and original year-by-year evaluation model for the business performance, and a closed solution for the current evaluation of the reserve, together with a comprehensive insight into the dynamics of the reserve connected to the selection of a defined term structure of interest rates. Moreover, the calculation of the VaR of the mathematical provision is prospected as risk measure useful to appreciate also the evaluation rate risk. Future research prospects concern the selection of the stochastic process used to describe the dynamics of the interest rates and the possible managerial and regulatory application of a VaR measure. The modelling has been applied, as an exemplification, to a life annuity portfolio but it can be easily replicated for any kind of policy and any kind of portfolios even non homogeneous.
Floral quality signals lure pollinators and their predators

Flowers exploit the sensory capabilities of pollinators to lure them. The crab spider Thomisus spectabilis benefits from this system by responding to floral signals that are intended to lure honeybees, Apis mellifera, which they prey upon. We investigated whether honeybees and crab spiders discriminate between flowers of Jasminum mesnyi plants that are either fully rewarding, with two reproductive stamens, or not. We found that both honeybees and crab spiders preferred fully rewarding flowers in the field. Moreover, honeybees preferred small flowers over larger ones, while the height above the ground and the number of petals did not influence flower choice of honeybees and crab spiders. Under experimental conditions, crab spiders showed the same choice pattern as observed in the field. This indicates that they actively search for fully rewarding flowers, which are also preferred by their potential prey. Fully rewarding J. mesnyi lure honeybees through visual, olfactory or a combination of these floral signals and T. spectabilis exploits this communication to enhance their chance of prey encounter.
Assimilation of Tourism Satellite Accounts and Applied General Equilibrium Models to Inform Tourism Policy Analysis

Historically, tourism policy analysis in South Africa has posed challenges to accurate measurement. The primary reason for this is that tourism is not designated as an ‘industry’ in standard economic accounts. This paper therefore demonstrates the relevance and need for applied general equilibrium (AGE) models to be completed and extended through an integration with tourism satellite accounts (TSAs) as a tool for policy makers (especially tourism policy makers) in South Africa. The paper sets out the reasons behind the need for economic models for policy analysis and other purposes, and gives an overview of old and new approaches to tourism policy modelling. The relevance of integrated models to, specifically, tourism policy analysis both internationally and in the South African context is discussed, followed by an illustrative empirical simulation of an exogenous inbound tourism expansion of 10%, against the background of the relationship between tourism and economic development. Furthermore, the indirect effects of an input–output model are also presented for comparison. The results confirm that the integrated approach is a more accurate tool for policy analysis.
Fiscal Implications of Personal Tax Adjustments in the Czech Republic

We investigate the fiscal implications of the changes in personal income tax implemented in the Czech Republic in January 2006. In addition to evaluating the direct effect of this tax reform, our analysis takes into account its employment effect on the government budget due to individuals entering or leaving employment. We first estimate the probability of working (labor supply) as a function of the effective net wage and then simulate the impact of the changes in paid taxes and received benefits on employment. We find that a 10 percent rise in the net wage increases the probability of working by 0.55 and 0.18 percentage points for women and men respectively. These estimates suggest that the employment effect is unlikely to substantially alleviate the fall in net budget revenues. We predict that, for the sub-population of prime age employees, net government revenues decline by roughly 8 billion Czech korunas (CZK) as a consequence of the implemented income tax cuts. The employment effect counteracts the decline by only CZK 0.4 billion. The stimulating effect of the tax reform on employment is reduced by the current benefit system: the incentive to work due to the higher after-tax wage is partially offset by the fall in social benefits once people start working.
THE IMMUNOGENICITY OF CHEMICALLY DERIVED ZWITTERIONIC POLYSACCHARIDES

Bacterial capsular polysaccharides (PS) which naturally contain zwitterionic charge motifs (ZPS) possess specific immunostimulatory activity, leading to direct activation of antigen-presenting cells (APCs) through Toll-like receptor 2 (TLR2) and of T cells in co-culture systems. When administered intraperitoneally, ZPS and bacteria expressing them are involved in the induction or regulation of T-cell dependent inflammatory processes such as intra-abdominal abscess formation. Moreover it has been published that ZPSs are processed to low molecular weight carbohydrates and presented to T cells through a pathway similar to that used for protein antigens. These findings were in contrast with the paradigm according to which polysaccharides are T-independent antigens unable to be presented in association with MHC class II molecules and unable to induce a protective immune response. For this reason in glycoconjugate vaccines polysaccharides often need to be conjugated to a carrier protein to induce protection. The aim of our work was to generate vaccine candidates with antigen and adjuvant properties in one molecule by the chemical introduction of a positive charge into naturally anionic PS from group B streptococcus (GBS). The resulting zwitterionic PS (ZPS) has the ability to activate human and mouse APCs, and in mixed co-cultures of monocytes and T cells, ZPS induce MHC II-dependent T-cell proliferation and up-regulation of activation markers. TLR2 transfectants show reporter gene transcription upon incubation with ZPS and these stimulatory qualities can be blocked by anti-TLR2 mAbs or by the destruction of the zwitterionic motif. However, in vivo, ZPS used alone as vaccine antigen failed to induce protection against GBS challenge, a result which does not confirm the above mentioned postulate that ZPS are T-cell dependent Ags by virtue of their charge motif. Thus to make ZPS visible to the immune system we have conjugated ZPS with a carrier protein. ZPS-glycoconjugates induce higher T cell and Ab responses to carrier and PS, respectively, compared to control PS-glycoconjugates made with the native polysaccharide form. Moreover, protection of mothers or neonate offspring from lethal GBS challenge is better when mothers are immunized with ZPS-conjugates compared to immunization with PS-conjugates. In TLR2 knockout mice, ZPS-conjugates lose both their increased immunogenicity and protective effect after vaccination. When ZPS are co-administered as adjuvants with unconjugated tetanus toxoid (TT), they have the ability to increase the TT-specific antibody titer. In conclusion, glycoconjugates containing ZPS are potent vaccines. They target Ag to TLR2-expressing APCs and activate these APCs, leading to better T cell priming and ultimately to higher protective Ab titers. Thus, rational chemical design can generate potent novel PS-adjuvants with wide application, including glycoconjugates and co-administration with unrelated protein Ags.
Properties and applications of cobalt-based material produced by electron-beam-induced deposition

The deposition of cobalt-containing material from dicobalt octacarbonyl using a focused electron beam is reported. The material contains between 30% and 50% (atomic) cobalt, with the balance being carbon and oxygen, and comprises nanocrystalline metallic grains embedded in a carbonaceous matrix. Arches bridging two electrodes were fabricated to allow current–voltage (I–V) measurements to be conducted. The material resistivity decreases strongly with the deposition beam current, with values as low as 45 μΩ cm being attainable. Material growth by indirect irradiation is found to give rise to material of high resistivity and can result in highly resistive arches. At low temperatures, three distinctive conduction regimes are observed, with the I–V characteristics flattening out at the origin. At 20 K step-like features suggestive of Coulomb- blockade effects were observed. Magnetic force microscope (MFM) images of the material indicates that it is ferromagnetic in nature. The application of the technique and .
Random walk in a simplex and quadratic optimization over convex polytopes

In this paper we develop probabilistic arguments for justifying thequality of an approximate solution for global quadratic minimization problem, obtained as a best point among all points of a uniform grid inside a polyhedral feasible set. Our main tool is a random walk inside the standard simplex, for which it is easy to find explicit probabilistic characteristics. For any integer k = 1 we can generate an approximate solution with relative accuracy 1k provided that the quadratic objective function is non-negative in all nodes of the feasible set. The complexity of the process is polynomial in the number of nodes and in the dimension of the space of variables. We extend some of the results to problems with polynomial objective function. We conclude the paper by showing that some related problems (maximization of cubic or quartic form over the Euclidean ball, and the matrix ellipsoid problem) are NP-hard.
Axiomatization of residual income and generation of financial securities

This paper presents an axiomatization of residual income, also known as excess profit, and illustrates how it can univocally give rise to fixed-income or variable-income assets. In the first part it is shown that, depending on the relations between excess profit and the investor's excess wealth, a well-specified theory of residual income is generated: one is the standard theory, which historically traces back to Hamilton and Marshall and is a deep-rooted notion in economic theory, finance, and accounting. Another is the systemic value added or lost-capital paradigm: first introduced by Magni, the theory is enfolded in Keynes's notion of user cost and is naturally generated by an arbitrage-theory perspective. In the second part, the paper inverts the usual analysis: instead of computing residual incomes from a pattern of cash flows, residual incomes are fixed first to derive vectors of cash flows. It is shown that variable- or fixed-income assets may be constructed on the basis of either theory starting from pre-determined growth rates for residual income. In particular, zero-coupon bonds and coupon bonds traded in a capital market are shown to be deduced as equilibrium vectors of residual-income-based assets.
Approximate solution of generalized pantograph equations with variable coefficients by operational method

In this paper, we present efficient direct solver for solving the generalized pantographequations with variable coefficients. The approach is based on the second kind Chebyshev polynomialstogether with operational method. The main characteristic behind this approach is that it reducessuch problem to ones of solving systems of algebraic equations. Only a small number of Chebyshevpolynomials are needed to obtain a satisfactory result. Numerical results with comparisons are givento confirm the reliability of the proposed method for solving generalized pantograph equations with variable coefficients.
Structures and Mechanisms of 20–60-Day Intraseasonal Oscillation of the Observed Rainfall in Vietnam

The present study explores the characteristics of the 20–60-day intraseasonal oscillation (ISO) in the 29-yr observed rainfall in north Vietnam (NVN), central Vietnam (CVN), and south Vietnam (SVN) in rainy seasons. Composite analyses reveal that the 20–60-day ISO in NVN accompanies dual vortices straddling Taiwan, which alternately favor and suppress convection extending from the northern Philippines to NVN. The wet phase in CVN coincides with convergence of northerly and easterly winds over the region. The large-scale pattern governing the 20–60-day ISO in SVN resembles the characteristics of the boreal summer ISO (BSISO). Conditionally unstable anomalies are observed within anomalous anticyclones where the moisture flux diverges out during the dry phase in NVN and SVN, and vice versa. Such anomalies prevent the existence of the anticyclones and finally replace them with anomalous cyclones to start the wet phase. The unstable anomalies could result from descending motion that increases the boundary layer temperature due to adiabatic compression of air. Conversely, boundary layer cooling due to evaporation of rain and interception of solar radiation by clouds produces stable anomalies. The unstable anomalies, moisture flux convergence, and vertical motions shift northward from the convection maximum, leading to the northward propagation of the BSISO convection. The 20–60-day ISO in CVN is not governed by local instability. Vertical cross sections indicate that the ISO in SVN possesses a westward-tilting structure, which is not observed in the NVN and CVN case.