Miracle-dz/UniFAR-FTUs huggingface dataset:
Contextualized Vector Embeddings for Malware Detection

Contextualized Vector Embeddings for Malware Detection by Vinay Pandya Malware classification is a technique to classify different types of malware which form an integral part of system security. The aim of this project is to use context dependant word embeddings to classify malware. Tansformers is a novel architecture which utilizes self attention to handle long range dependencies. They are particularly effective in many complex natural language processing tasks such as Masked Language Modelling(MLM) and Next Sentence Prediction(NSP). Different transfomer architectures such as BERT, DistilBert, Albert, and Roberta are used to generate context dependant word embeddings. These embeddings would help in classifying different malware samples based on their similarity and context. Apart from using transformer models we also experimented with different bidirectional language models sunch as ELMo which can generate contextualized opcode embeddings.This project also discusses algorithms for generating embeddings for byte level N-grams. We utilize Word2vec, Glove and Fasttext algorithms to generate context free embeddings. The classification algorithms employed in this project consist of Resnet-101 CNN, Random forest,Support Vector Machines (SVM), and k nearest neighbours. Transformer models sometimes act as black boxes which makes it difficult to understand their decisions.Various intrepretable models are utilized to explain their inner workings and improve our understanding of the model to explain their results. Index terms Contextualized Embeddings,Transformer models, BERT, Bidirectional Language Models, ELMo, Glove, Word2vec, Fasttext, Optuna
Teacher resilience matters: a buffering and boosting effect between job driving factors and their well-being and job performance

ABSTRACT This study investigated the mediation role of teacher resilience between job demands and resources and their well-being and job performance using a sample of 407 teachers from Hong Kong, SAR and mainland China. Confirmatory factor analysis and structural equation modelling were employed to deal with the dataset. The results indicated that the professional dimension and the emotional dimension of teacher resilience were affected by decision latitude (potential control over the job tasks and conducts) and school support respectively and predicted teacher well-being. The motivational dimension and the social dimension of teacher resilience promoted teacher job performance, influenced respectively by task overload (negatively) and role demand (positively) along with school support. This model is the first attempt to represent the relevance of the Job Demands-Resources theory that teacher resilience can buffer negative job demands and boost positive job resources to promote their well-being and performance in a specific societal and educational context. Implications for cultivating teacher resilience to everyday challenges and adversities were proposed in order to assist teachers to not only survive, recover, and thrive, but also to establish a school resilience cascade (potential resilience chain affecting a system due to an act of teacher resilience) for these turbulent times.
Thermal stability of Sm-TM high temperature magnets at 300-550/spl deg/C

Investigation of thermal stability at 300-550/spl deg/C for the newly developed Sm(Co/sub w/Fe/sub v/Cu/sub x/Zr/sub y/)/sub z/ high temperature magnets is reported in this paper. Three factors are responsible for the irreversible losses at high temperatures. One factor is the loss associated with a nonlinear induction demagnetization curve. This results in significant loss when the magnet is exposed to temperatures higher than the maximum use temperature T/sub M/. Another factor is the surface oxidation, which is more severe with increasing temperature and time at high temperature. Surface oxidation can be reduced by coating with a high temperature ceramic coating. The third factor is the result of metallurgical changes in the magnets. This loss is relatively small in the new magnets, which actually is <2% after 360 hours at 550/spl deg/C. The experiment confirms that coated magnets with T/sub M/ UP to 550/spl deg/C can be expected to have considerable life expectancy and relatively low losses at the intended T/sub M/.
Sterile Neutrino Sensitivity with Wrong-Sign Muon Appearance at nuSTORM

Neutrinos from STORed Muons (nuSTORM; formerly VLENF) is a proposed experiment to use 3.8 GeV/c muon decay to produce a well-understood beam of electron and muon neutrinos that can be used for short baseline physics. A magnetized far detector allows for the wrong-sign muon appearance physics of electron-neutrino to muon-neutrino. This channel is the CPT of the LSND anomaly and provides 10 sigma sensitivity to the anomaly. This note contains a detailed explanation of the nSTORM appearance analysis that was included in the Letter of Intent.
The Running of the Bulls: A review of Taurid fireball activity since 1962

Model predictions based upon the existence of a 7:2 mean motion resonance with Jupiter suggest that in about 20% of Taurid meteoroid stream encounters enhanced numbers of meteors and fireballs should be seen. Here we examine the veracity of the predictions against a set of six temporally overlapping fireball surveys. It is found that in the time interval from1962 to 2002 enhanced, or at least conspicuous, numbers of Taurid fireballs were recorded on all eight occasions predicted by the resonance-controlled, swarmencounter model. We find evidence for elevated Taurid activity in 1974 and possibly in 1985 as well, indicative, perhaps, of additional stream structure.
Adaptive Piecewise Poly-Sinc Methods for Ordinary Differential Equations

We propose a new method of adaptive piecewise approximation based on Sinc points for ordinary differential equations. The adaptive method is a piecewise collocation method which utilizes Poly-Sinc interpolation to reach a preset level of accuracy for the approximation. Our work extends the adaptive piecewise Poly-Sinc method to function approximation, for which we derived an a priori error estimate for our adaptive method and showed its exponential convergence in the number of iterations. In this work, we show the exponential convergence in the number of iterations of the a priori error estimate obtained from the piecewise collocation method, provided that a good estimate of the exact solution of the ordinary differential equation at the Sinc points exists. We use a statistical approach for partition refinement. The adaptive greedy piecewise Poly-Sinc algorithm is validated on regular and stiff ordinary differential equations.
Safe Among the Unsafe: Psychological Safety Climate Strength Matters for Team Performance

Team psychological safety, as a shared perception, is persistently found to be important for team performance. However, team members may not necessarily agree on the level of safety within the team. What happens when team members have dispersed perceptions of team psychological safety? Through a survey-based study involving 1,149 members of 160 management teams, we found that, not only is the level of team psychological safety positively related to team performance, but also that sharedness among team members (team psychological safety climate strength) moderates this relationship. The more team members agree on the level of team psychological safety, the stronger the effect of team psychological safety on team performance. Further, having at least one member who perceives the team as psychologically safe may lift team performance in a team of low psychological safety. We discuss theoretical and practical implications of looking beyond average levels of team psychological safety for building high-performing teams.
Shear Waves in Functionally Graded Electro-Magneto-Elastic Media

In the framework of quasi-static approach the shear wave propagation is considered in functionally graded transversally isotropic hexagonal 6mm symmetry magnetoelectroelastic media (MEE). Assuming that in functionally graded MEE material elastic and electromagnetic properties vary in the same proportion in direction perpendicular to the MEE polling direction, special classes of inhomogeneity functions were found, admitting exact solutions for the coupled wave field and allowing to estimate the effects of inhomogeneity on the wave behavior. Exact solutions defining the coupled shear wave field in MEE can be used in many problems, e.g. shear surface waves propagation along the surface of a semi-infinite space, interfacial waves in a multilayered and periodic structure, Love type waves in a layer overlying a half-space, guided waves in an inhomogeneous waveguide, etc. Based on exact solutions, the localized wave propagation is studied for MEE layer with quadratic and inverse quadratic inhomogeneity profiles of material parameters varying continuously along the layer thickness direction. Dispersion equations are deduced analytically and for the BaTiO3-CoFe2O4 MEE crystal the numerical results estimating effects of inhomogeneity are presented.
Molecular dynamics modeling of the effects of cementation on the acoustical properties of granular sedimentary rocks

The incidence of cementation processes on the acoustical properties of sands is studied via molecular dynamics simulation techniques. In our simulations, we consider samples with different degrees of compaction and cementing materials with distinct elastic properties. The microstructure of cemented sands is taken into account while adding cement at specific locations within the pores, such as grain-to-grain contacts. Results show that acoustical properties of cemented sands are strongly dependent on the amount of cement, its relative stiffness with respect to the hosting medium, and its location within pores. Simulation results are in good correspondence available experimental data and compare favourably with some theoretical predictions for the sound velocity within a range of cement saturation, porosity and confining pressure.
Association of Nocturnal Enuresis and history of Breastffeeding in primary school children in Hilla city

Background : Nocturnal Enuresis is a common problem in children. It has significant psychological impacts on both children and families. Nocturnal enuresis refers to an inability to hold urine during sleep at night. It is essential problem for school age children Objectives: To identify whether history of breastfeeding has a positive relation with reduced rates of bedwetting bed wetting at school age and to identify characteristics of breastfeeding that correlate with bedwetting or otherwise. Patients and methods: It is a descriptive hospital based cross_ sectional study which was carried out on convenient sample of 200 child with nocturnal enuresis aged 6 -12 years who attended Pediatric consultant clinic of Babylon Maternity and Pediatric Hospital, Imam Al-Sadiq General Teaching Hospital and Al Noor Pediatric Hospital , Urology consultant clinic of Hilla General Teaching Hospital and Imam Al-Sadiq General Teaching Hospital , whose mother accepted to participate in this study . It was conducted over a period of three months beginning from first of February to first of May 2022. Result: A total of 200 children with nocturnal enuresis were enrolled in this study, with mean ± SD of age was 8.3 ± 2 years, ranging between 6 to 12 years.
EXTRACT OF Morinda lucida LEAF RESCUES HYPOGLYCAEMIC AND DYSLIPIDAEMIC CONDITIONS IN Plasmodium berghei-INFECTED MICE

Increasing drug resistance is a great threat to malaria control. Therefore, a continuous investigation into alternative therapy to mitigate malaria-associated damages is important. In this study, we investigated the anti-hypoglycaemic and anti-hyperlipidaemic effects of aqueous extract of Morinda lucida leaf in Plasmodium berghei­-infected mice. Twenty-five mice were randomly grouped into five: Uninfected, infected-untreated, chloroquine (20 mg/kg, per oral), and extract-treated (400 mg/kg and 800 mg/kg, respectively, per oral) groups. Fasting blood glucose was measured before parasite inoculation and after the last treatment. Blood was collected for lipid profile assay at the end of the 4-day treatment. Our results revealed that both chloroquine and the extract lowered parasite growth (p <0.05), while chloroquine and 400 mg/kg of the extract improved blood glucose in Plasmodium berghei-infection. More so, all the treated groups showed attenuated Plasmodium berghei-induced dyslipidaemia, with 400 mg/kg of the extract exhibiting better efficacy. Therefore, this study suggests that Morinda lucida leaf extract can be harnessed as a therapeutic regimen for improved malaria treatments and associated complications. Further study is recommended to elucidate the mechanism of anti-hypoglycaemic and anti-hyperlipidaemic activities of the extract and the possible bioactive compound(s) involved.
Thebromine Targets Adenosine Receptors to Control Hippocampal Neuronal Function and Damage

Theobromine is a caffeine metabolite most abundant in dark chocolate, of which consumption is linked with a lower risk of cognitive decline. However, the mechanisms through which theobromine affects neuronal function remain ill-defined. Using electrophysiological recordings in mouse hippocampal synapses, we now characterized the impact of a realistic concentration of theobromine on synaptic transmission and plasticity. Theobromine (30 μM) facilitated synaptic transmission while decreasing the magnitude of long-term potentiation (LTP), with both effects being blunted by adenosine deaminase (2 U/mL). The pharmacological blockade of A1R with DPCPX (100 nM) eliminated the theobromine-dependent facilitation of synaptic transmission, whereas the A2AR antagonist SCH58261 (50 nM), as well as the genetic deletion of A2AR, abrogated the theobromine-induced impairment of LTP. Furthermore, theobromine prevented LTP deficits and neuronal loss, respectively, in mouse hippocampal slices and neuronal cultures exposed to Aβ1–42 peptides, considered a culprit of Alzheimer’s disease. Overall, these results indicate that theobromine affects information flow via the antagonism of adenosine receptors, normalizing synaptic plasticity and affording neuroprotection in dementia-related conditions in a manner similar to caffeine.
A Highly Efficient Microwave Plasma Jet Based on Evanescent-Mode Cavity Resonator Technology

This article introduces a novel low-power and highly efficient atmospheric pressure microwave plasma jet (APPJ). Specifically, a capillary tube passing through the critical gap area of a high-<inline-formula> <tex-math notation="LaTeX">$Q$ </tex-math></inline-formula> evanescent-mode (EVA) cavity resonator provides a controlled gas flow rate to realize microwave gas breakdown and plasma jet formation even with milliwatts range input power. The theory, simulation, fabrication, and characterization of the introduced plasma jet technology are discussed. A prototype 2.45 GHz device can operate at powers as low as 400 mW with >80% power efficiency and provides up to a 6-mm-long plasma jet with electron density in the range of <inline-formula> <tex-math notation="LaTeX">$10^{15}$ </tex-math></inline-formula> cm<inline-formula> <tex-math notation="LaTeX">$^{-3}$ </tex-math></inline-formula> in a 1 to 7 slpm helium flow rate. Considering its high plasma density as well as low operating power and jet temperature, this device is a viable and safe solution for a wide range of applications, including emerging plasma medicine needs.
Theory of nonstationary Josephson effect in short superconducting contacts

A microscopic theory is used to calculate the connection between the current I with the phase difference phi of the order parameter, as well as the current-voltage characteristic (CVC) of a superconducting bridge of length 2dvery-much-less-thanxi (T) (1-T/T/sub c/)/sup 1/4/. The case of voltages Vvery-much-less-than.delta. at a temperature T close to the critical value T/sub c/, and the case of V>>. delta. at arbitrary temperature are considered. At low voltages V, the dependence of the Josephson current I/sub S/ on phi is determined by the ratio of the characteristic frequency V/sub c/ of the variation of phi and the reciprocal time tau/sub epsilon//sup -1/ of the energy relaxation. In the case tau/sub epsilon/V/sub c/>>1 the function I/sub S/(phi) differs from a sinusoid, and this explains the presence of subharmonic steps on the CVC when monochromatic radiation acts on the bridge. In the case tau/sub epsilon/V/sub c/very-much-less-than1 the I/sub S/(phi) dependence is sinusoidal as in the stationary case. At high voltages and arbitrary temperatures, the I (V) dependence differs from Ohm's law by an amount (.delta. (.pi./sup 2//4-1)/eR)tanh(V/2T), which determines at V>T the excess current. The response of the bridge to a weak alternating signal in the presence of a direct currentmore » smaller than the critical value is also determined. « less
Exogenous application of glycine and nitrate on antioxidant and polyphenol metabolism in Brassica campestris spp. Chinensis

Abstract Pakchoi (Brassica campestris ssp. Chinensis) is a leafy vegetable which has been widely cultivated and consumed worldwide due to its low calorific value, a large supply of macro and micronutrients, beneficial phytochemicals and fibers. Amino acids have a vital role in plant nutrition; however, the effect of glycine and nitrate (Gly/NO3-N) on health-promoting phytochemicals, biomass, and antioxidant activities has gained a little attention. Thus, this study aimed to evaluate the impact of glycine and nitrate on health-promoting phytochemicals and yield/biomass of pakchoi. Glycine and nitrate were employed in different proportions (control, Gly/NO3-N = 3:1, Gly/NO3-N = 1:1, and Gly/NO3-N = 1:3 in the Venlo greenhouse, Shanghai Jiao Tong university, China. Results showed that compared to control, the treatment with Gly/NO3-N notably increased the secondary metabolites like polyphenols, flavonoids, glutathione (GSH), ascorbic acid (vitamin C), antioxidant potential (FRAP and DPPH value), and biomass in pakchoi plants. The contents of all antioxidants were high under the treatment of Gly/NO3-N（1:1). Interestingly, the contents of flavonoids were significantly enhanced (107.10%) by Gly/NO3-N = 1:1 than control plants. Furthermore, the content of Phe increased by 33.79%-86.32%, and also the activity of catabolic enzymes (CHI, CHS, C4H, and PAL) of the polyphenols pathway was found to be significantly enhanced while the activity of 4CL and DFR was restrained by the treatment of Gly/NO3-N, compared with control plants. In addition, the correlation analysis of polyphenols and flavonoids with Phe, PAL, C4H, CHS, and CHI showed a positive correlation, while a negative correlation was found in the case of 4CL and DFR. Taken together, the current findings suggest that the application of Gly/NO3-N enhanced polyphenols metabolism as well as increased the total polyphenolic content and antioxidant activity. Consequently, this combination of glycine and nitrate could be used to promote beneficial phytochemicals and yield/biomass of pakchoi.
Strongly interacting mesoscopic systems of anyons in one dimension

Using the fractional statistical properties of so-called anyonic particles, we present exact solutions for up to six strongly interacting particles in one-dimensional confinement that interpolate the usual bosonic and fermionic limits. Specifically, we consider two-component mixtures of anyons and use these to eludicate the mixing-demixing properties of both balanced and imbalanced systems. Importantly, we demonstrate that the degree of demixing depends sensitively on the external trap in which the particles are confined. We also show how one may in principle probe the statistical parameter of an anyonic system by injection a strongly interacting impurity and doing spectral or tunneling measurements.
A Decentralized Secondary Frequency Restoration Control With Local Current for Island Cascaded-Type Microgrids

Frequency regulation is important for obtaining higher power supply quality. To our best knowledge, there is no decentralized frequency restoration method for cascaded-type microgrid. This paper proposes a decentralized second frequency control for the cascaded-type microgrid. It only relies on local information to achieve frequency restoration and average power sharing. In addition, the proposed control is suitable for loads with different characteristics. Based on the singularity theory, we provide the control algorithm convergence analysis and control coefficient selection. Finally, the real-time simulation results conducted by RTLAB verify the feasibility of the proposed method.
$(n D+1)$ Pad\'e approximation

To generalize the concept of Pad\'e approximation for functions to more than one variable, several definitions have been introduced. All definitions have advantages and disadvantages. The advantages of these approaches has been discussed in many articles. One of the main disadvantages of these methods are low convergence rate and the loss of information in computing with low degrees. In this work we present a new definition of the multivariate Pad\'e approximation, treated the more than one variable to the coefficients. Our definition is designed to avoid such disadvantages with retaining the advantages of simple and easily computation. The main result obtained as consequence of this definition is some properties and convergence results of the Montessus De Ballore theorem.
The Dynamic Relationship between the Intention and Final Decision for the COVID-19 Booster: A Study among Students and Staff at the University of Liège, Belgium

While many studies have documented the intentions for the COVID-19 vaccine booster, few have explored the change from intention to final decision. This study explores the COVID-19 booster intentions and the change from intention to decision in a primo-vaccinated university population, with a distinction between staff members and students. It looks at the sociodemographic and medical characteristics, health literacy, personal COVID-19 infection and vaccination history, and attitudes/intentions regarding the booster, among the 1030 participants (64.4% staff members, 61.3% female, median age 36.0 years). Of the 8.7% who were initially hesitant, 72.7% ultimately got a booster and 27.3% did not. Another 84.2% intended to get a booster and 7.1% did not. Among the latter two groups, 88.9% maintained their intention and 11.1% changed their minds. The determinants associated with the intentions were health literacy and previous intentions regarding the COVID-19 primo-vaccination. The determinants associated with the change to non-vaccination were a previous COVID-19 infection, a past COVID-19 primo-vaccination intention, and a neutralizing antibody level. The results point to an opening for the support in decision-making, with a significant percentage of the study population potentially changing their mind between intention and final decision; this process should start early and be tailored to the individual’s COVID-19 history. A personalized approach seems necessary in order to ensure that individuals make an informed choice.