Miracle-dz/UniFAR-FTUs huggingface dataset:
The Merge of Two Worlds: Integrating Artificial Neural Networks into Agent-Based Electricity Market Simulation

Machine learning and agent-based modeling are two popular tools in energy research. In this article, we propose an innovative methodology that combines these methods. For this purpose, we develop an electricity price forecasting technique using artificial neural networks and integrate the novel approach into the established agent-based electricity market simulation model PowerACE. In a case study covering ten interconnected European countries and a time horizon from 2020 until 2050 at hourly resolution, we benchmark the new forecasting approach against a simpler linear regression model as well as a naive forecast. Contrary to most of the related literature, we also evaluate the statistical significance of the superiority of one approach over another by conducting Diebold-Mariano hypothesis tests. Our major results can be summarized as follows. Firstly, in contrast to real-world electricity price forecasts, we find the naive approach to perform very poorly when deployed model-endogenously. Secondly, although the linear regression performs reasonably well, it is outperformed by the neural network approach. Thirdly, the use of an additional classifier for outlier handling substantially improves the forecasting accuracy, particularly for the linear regression approach. Finally, the choice of the model-endogenous forecasting method has a clear impact on simulated electricity prices. This latter finding is particularly crucial since these prices are a major results of electricity market models.
Quarter specific milking routines and their effect on milk removal in cows

Milking characteristics and udder evacuation in 3 different quarter specific milking routines were evaluated. The findings are based on single quarter milk flow profiles of 10 cows. Each treatment was applied in blocks of 4 subsequent milkings. After the fourth milking of each treatment 10 I.U. oxytocin were i.v. injected to obtain the residual milk. The intramammary pressure was recorded during pre-milking stimulation and after the teat cup removal to study the course of the milk ejection. Quarter specific milking routines avoided an overmilking of single teats, and partially decreased the total machine on-time. In comparison to non-stripping routines, the stripping routines had no benefit on udder evacuation or machine on-time. The milk ejection in single quarters was completely terminated when the milk flow ceased and the teat cups were removed. The degree of udder evacuation was therefore not influenced by the tested quarter specific routines.
Jump Diffusion Modeling of Stock Prices on Ghana Stock Exchange

The behaviour of stocks on the Ghana stock exchange is examined to show that stock prices on the exchange are subject to sudden price changes. It is shown that such unexpected events and uncertainties affecting trading on the exchange cannot be modeled solely by the conventional geometric Brownian motion outlined in the Black-Scholes model. A new concise and simpler approach is developed to derive the Jump diffusion model and consequently, its suitability to model stocks on the exchange is emphasized and given rigorous treatment. The model is subsequently used to predict the behaviour of stocks using historical stock prices as input parameters. The simulated stock returns are compared to actual returns to determine the model’s suitability to predict the market. The results show that the jump diffusion model is appropriate in predicting the behaviour of approximately 25% percent of stocks listed on the exchange.
a study on the factors affecting the usage and diffusion of mobile easy payment services

This study examines the factors affecting the usage and diffusion of mobile easy payment services which is fast growing industry recently. After wide reviewing previous research about mobile payment, Some factors are identified as the factors influencing intention to use mobile easy payment services-confidence, innovativeness, mobile self-efficacy, relative advantage-through several mediating factors-perceived ease, perceived usefulness, perceived risk. Empirical study for a research model showed confidence, mobile self-efficacy and relative advantage are effective to the intention to use mobile easy payment services via perceived usefulness and perceived risk. Based on the results of the study, some practical implication for customer retention and acquisition are suggested.
Frequency Response Function Measurements via Local Rational Modeling, Revisited

A finite measurement time is at the origin of transient (sometimes called leakage) errors in nonparametric frequency response function (FRF) estimation. If the FRF varies significantly over the frequency resolution of the experiment (= reciprocal of the measurement time), then these transients (leakage) errors cause important bias and variance errors in the FRF estimate. To decrease these errors, several local modeling techniques have been proposed in the literature. This article presents an overview of the existing methods and gives an in-depth bias and variance analysis of the FRF and disturbing noise variance estimates. In addition, a new local modeling approach is described, which combines the small bias error of the local rational approximation with the low noise sensitivity of the local polynomial approximation. It is based on an automatic local model-order selection procedure applied to a specific subclass of rational functions.
Nettle (Urtica dioica L.) seeds as a source of free and bound phenolics: The antioxidant, antimicrobial activity and the composition

In this study, the composition and the antioxidant and antimicrobial activity of free and bound phenolics from Urtica dioica L. seeds were studied. The composition of phenolics was determined by isocratic and gradient HPLC methods, and the antioxidant activity by determining DPPH scavenging capacity, reducing the power and FRAP value. The antimicrobial activity was tested by using the discdiffusion method. The content of free phenolics was higher (6000.71 μg gallic acid equivalent per g dry seeds mass) than the content of bound phenolics (2801.16 μg g-1). The extract of free phenolics had a higher FRAP value than the bound, while the bound phenolics had a better DPPH scavenging capacity and the reducing power. Eighteen phenolics have been detected in the free phenolic extract, among which kaempferol 3-O-rutinoside-7-Orhamnoside was the most abundant (428.55 μg g-1), while ten phenolics have been detected in the bound phenolic extract, among which monocaffeoyl-meso-tartaric acid (406.83 μg g-1) was the most abundant. Both of the extracts have shown a good inhibitory effect on Bacillus cereus ATCC 11778 and Klebsiella pneumoniae ATTC 700603. The study showed that nettle seeds are a good source of natural antioxidants and antimicrobials for potential use in the food and pharmaceutical industry.
Assessment of Pharmacognostic Parameters and Antioxidant Potential of Jatamansi (Nardostachys jatamansi (D. Don) DC.) Roots and Rhizomes by DPPH Method

The plan of the current research was to explore the diverse pharmacognostic values and to assess the antioxidant action of the rhizomes of Nardostachys jatamansi (D. Don) DC. by the DPPH method. Aqueous, ethanol, petroleum ether and chloroform extracts of the rhizomes were arranged and applied to Phytochemical viewing which publicized the occurrence of carbohydrates, proteins, steroids, terpenoids, glycosides, flavonoids, and lipids. The antioxidant action of the plant extracts was also resolute by the DPPH process with ascorbic acid as benchmark. The grades obtained in this research hold the utilize of Nardostachys jatamansi (D. Don) DC. In herbal medication and it can be utilized as a potent antioxidant in the management of many diseases resulting from additional reactive oxygen species occurrence.
QUAL O VALOR DAS VIDAS LGBTTS? UM ESTUDO BIBLIOGRÁFICO SOBRE O SUICÍDIO DE JOVENS LGBTTS

O suicídio é um fenômeno complexo, pois envolve diversos fatores de ordem individual, social, biológico, cultural ou psicológico entre outros. À vista disso, quando o suicídio é de um adolescente LGBTT, podemos pensar que as características da adolescência tornam o fenômeno ainda mais complexo. Nesta perspectiva, o presente estudo tem por objetivo compreender o fenômeno suicídio e tentativa de suicídio em jovens e adolescentes LGBTTs a partir dos conhecimentos trazidos pela bibliografia especializada. Para tanto, realizou a busca por artigos publicados em bancos de dados online, e as análises de seus conteúdos onde verificou se que a maioria dos estudos associou o suicídio com aspectos da homofobia, com transtornos psiquiátricos, principalmente a depressão, outros fatores associados ao suicídio foram fatores sociais tais como o sentimento de não pertencimento, exclusão, LGBTT fobia no qual resultariam e proporcionariam sentimento de tristeza, solidão e desamparo intensificando assim as ideações e tentativas de suicídio. Diante dos resultados, os autores identificaram a necessidade de criar espaços de escuta e de prevenções frente ao comportamento suicida. Os achados, portanto, consideram a necessidade da compreensão dos fatores desencadeantes e assim exigindo estudos interdisciplinares de forma a evitar uma visão unidimensional do problema. Eduarda Garcia Ortiz
15 Serbeslik Dereceli Myoelektriksel Kontrollü Proztez Elin Tasarımı ve İmalatı

Öz This study's main purpose is to manufacture a low-cost, highly functional, myoelectric signal-controlled prosthetic hand for amputees in developing countries below a certain economic level. In this study, a prosthetic hand with five fingers was modeled on 15-degree freedom, and an independent joint movement was achieved through the use of a separate motor actuator for each joint in the fingers. The hand of the prosthetic can therefore keep the objects in the best possible way. The prosthetic was produced by hand using PLA material on a 3D printer to reduce cost. Bioelectric signals provide the human-prosthetic hand interaction, i.e. identification of the form of hand gesture. With 97 percent progress, the classification of a human hand with the SVM algorithm has been achieved. The prosthetic hand's total cost is US$ 450. The hand was compared in terms of qualitative and quantitative performance metrics with other high-priced rivals and the findings were interpreted. Bu çalışmanın temel amacı, belirli bir ekonomik düzeyin altındaki gelişmekte olan ülkelerdeki ampute'ler için düşük maliyetli, oldukça işlevsel, miyoelektrik sinyal kontrollü bir protez el üretmektir. Bu çalışmada, beş parmaklı protez el 15 serbestlik dereceli olarak modellenmiş ve parmaklardaki her bir eklem için ayrı bir motor aktüatörü kullanılarak bağımsız eklem hareketi sağlanmıştır. Protezin el bu nedenle nesneleri mümkün olan en iyi şekilde tutabilir. Protez, maliyeti azaltmak için bir 3D yazıcıda PLA malzemesi kullanılarak üretildi. Biyoelektrik sinyaller insan protezi el etkileşimini, yani el hareketi formunun tanımlanmasını sağlar. Yüzde 97 başarı ile bir insan elinin hareket türü tanımlaması SVM algoritması ile sağlandı. Protez elin toplam maliyeti 450 ABD dolarıdır. El, diğer yüksek fiyatlı rakiplerle kalitatif ve kantitatif performans metrikleri açısından karşılaştırılmış ve bulgular yorumlanmıştır.
Stroke Survivors: Needs, Wellness and Warning Signs in a Stroke Support Group Population

Background: According to the Centers for Disease Control and Prevention (CDC), almost 800,000 patients have a stroke each year, with 140,000 patients dying annually. Survivors are at high risk of a second stroke. Patients may have a host of differing needs to both maintain wellness and acquire the necessary knowledge to identify and prevent a secondary stroke. Research about the perspective of stroke survivors in a stroke support group concerning their needs, caregiver satisfaction, and wellness, is limited and in need of further study.
A Multi-Stage Stochastic Programming-Based Offloading Policy for Fog Enabled IoT-eHealth

To meet low latency and real-time monitoring demands of IoT-eHealth, fog computing is envisioned as a key technology to offer elastic computing resource at the edge of networks. In this context, eHealth devices can offload collected healthcare data or computational expensive tasks to a nearby fog server. However, the mobility of the eHealth devices may make the connection between them to fog servers uncertain, resulting in possible migration between fog servers. In order to evaluate the impact of this uncertainty on decision-making for offloading and resource allocation, we formulate the task offloading problem as a Multi-Stage Stochastic Programming (MSSP), with aim of minimizing the total latency of offloading to determine whether to offload or not, how much workload to offload, how much computing resource to allocate, as well as whether to migrate or not. Different from the previous MSSP based work focusing on the workload assignment only, the proposed MSSP examines joint decisions of offloading, resource allocation, and migration, advancing the understanding of the interactions among these decisions. Furthermore, to reduce the computational complexity of MSSP, we design an efficient sub-optimal offloading policy based on Sample Average Approximation, called SAA-MSSP. We conduct extensive simulation experiments to validate the effectiveness of SAA-MSSP. The results show that SAA-MSSP can converge to a near-optimal solution quickly.
A novel human enteroid-anaerobe co-culture system to study microbial-host interaction under physiological hypoxia

Mechanistic investigations of host-microbe interactions in the human gut are limited by current co-culture model systems. The intestinal epithelium requires oxygen for viability, while gut bacteria are facultative or obligate anaerobes. The ability to model host-commensal interactions under dynamic oxygen conditions is critical to understanding host-pathogen interactions in the human gut. Here, we demonstrate a simple, cost-effective method for co-culturing obligate anaerobic bacteria with human intestinal enteroid monolayers under variable oxygen conditions. The Enteroid-Anaerobe Co-Culture (EACC) system is able to recapitulate the steep oxygen gradient seen in vivo and induce expression of hypoxia-associated phenotypes such as increased barrier integrity and expression of antimicrobial peptide genes. Using clinical strains of the commensal anaerobes Bacteroides thetaiotaomicron and Blautia sp. on established patient-derived intestinal enteroid cell lines under physiological hypoxia, the EACC system can sustain host-anaerobe interactions for at least 24 hours. Following co-culture with anaerobic bacteria, we demonstrate patient-specific differences in epithelial response, reinforcing the potential to develop a personalized medicine approach to bacteriotherapy and host-microbe interaction investigations. Our innovative EACC system provides a robust model for investigating host-microbe interactions in complex, patient-derived intestinal tissues, that facilitates study of mechanisms underlying the role of the microbiome in health and disease.
Analytical Solution for Electromagnetic Torque of Ultrahigh Speed AFPM Motor With Slotless Stator Core and Toroidal Coils

The ultrahigh-speed axial-flux permanent magnet (AFPM) motor usually adopts the slotless stator core to eliminate the cogging torque. However, the torque ripple still arises because of two factors, namely, the stator winding construction and the permanent magnet (PM) topology structure. In order to determine the influence of the above two factors on the torque ripple of ultrahigh-speed AFPM motor, the article presents an analytical solution to the electromagnetic torque. In addition, in order to increase the spatial utilization ratio of PM and to obtain a sinusoidal back electromotive force (back EMF), a new topology structure of PM is designed. Results show that the ratio of the net torque to total torque can achieve 99.2% when $N_{\mathrm {q}}$ (number of coil-pairs per phase) equals 6, and back EMF of the proposed rotor is 7.69% greater than that of the previous rotor. The analytical model is verified by 3-D finite-element method (FEM) and experiment data.
Robustness Improvement of Model-Based Sensorless SPMSM Drivers Based on an Adaptive Extended State Observer and an Enhanced Quadrature PLL

Conventional model-based sensorless surface-mounted permanent magnet synchronous motor (SPMSM) drivers suffer deteriorated performance in transient-state operation such as accelerating during wide-speed range or encountering large load torque disturbance. In this article, an effective sensorless control solution is proposed to improve the robustness of sensorless SPMSM drivers in transient-state operation. Two extended state observers (ESOs) are utilized to estimate the αβ-axis back electromotive forces (EMFs). An adaptive bandwidth tuning scheme is proposed to online tune the parameters of the ESOs, with which the desired estimation performance of back EMFs can be achieved in wide-speed operation range. Additionally, the dynamic mechanical behavior of the sensorless control system during large load torque transient is investigated by using small-signal analysis, and then a corresponding speed estimation compensation scheme for the conventional quadrature phase-locked loop (QPLL) is developed, with which the capability of QPLL in tracking the rapidly changing speed can be significantly enhanced. Experiments on an SPMSM demonstrate the superior robustness of the proposed method to that of the conventional method in transient-state operation.
Estudo pré-clínico de um nutracêutico sedativo à base de fitonutrientes,
 ProSleepTM, em camundongos machos: comparação com o zolpidem

This study aimed to compare the sedative effect of a nutraceutical based on phytonutrients, ProSleep, in male mice with those of zolpidem, a hypnotic drug used as a sleep inducer. For this purpose, three tests were carried out to compare the effects of the two products: 1. the latency and duration of anesthesia induced by ketamine and xylazine, 2. sedation observed in the open field and 3. anxiety observed in an elevated plus-maze. The results showed that: 1. in the induction and duration of anesthesia the comparison between zolpiden and ProSleep: showed no significant differences; 2. in the open field, zolpiden and ProSleep similarly reduced the frequencies of total and peripheral locomotion and increased immobility when compared to the control group; 3. in the elevated plus-maze, no significant differences were observed after treatment when compared to the control group in all observed parameters. Both zolpiden and ProSleep improved the induction and duration of anesthesia and induced sedation in the open field. In addition, both zolpiden and ProSleep showed no anxiolytic effects. Thus, it can be suggested that ProSleep has the same pharmacological profile as zolpidem.
Gender equality and women empowerment: Key for nation building

Gender equality is a human right which entitles all persons irrespective of their gender to live with dignity and with freedom. Gender equality is also a precondition for all round development and reducing poverty. Empowered women make invaluable contribution to the improvement of health conditions and educational status and productivity of whole families and communities, which in turn improve prospects for the next generation. A critical aspect of promoting gender equality is the empowerment of women, with a focus on identifying and redressing power imbalances and giving women more autonomy to manage their own lives. Women's empowerment is vital to sustainable development and the realization of human rights for all. Long-term, sustainable development will only be possible when women and men enjoy equal opportunity to rise to their potential. But today, women and girls continue to face disadvantages in every sector in which we work, while in some cases, boys are falling behind. Addressing women’s issues also requires recognizing that women are a diverse group, in the roles they play as well as in characteristics such as age, social status, urban or rural orientation and educational attainment. Putting resources into poor women’s hands while promoting gender equality in the household and in society results in large development payoffs. Expanding women’s opportunities in public works, agriculture, finance, and other sectors accelerates economic growth, helping to mitigate the effects of current and future financial crises.
Políticas penitenciarias y Derechos Humanos en el primer gobierno del Frente Amplio. Ley de Humanización de Cárceles, un ensayo antipunitivista en el Uruguay de 2005

espanolEl siguiente articulo es una aproximacion al momento politico que puso en agenda y llevo mas tarde a la aprobacion de la Ley de Libertad Provisional Anticipada en Uruguay, conocida como Ley de Humanizacion de Carceles. Se utilizo como marco analitico el modelo de corrientes multiples de John Kingdon (1995). Se trata de un trabajo descriptivo basado en analisis documental y entrevistas en profundidad sobre un momento en el que la crisis del sistema penitenciario paso a ocupar un lugar central en la agenda publica, dando inicio a una serie de debates y reformas sobre el sistema que llegan hasta hoy EnglishThe following article approximates to political moment that places on the public agenda and later led to the approval of the Provisional Early Freedom in Uruguay, known as the Prison Humanization Law. John Kingdon’s (1995) multiple streams framework was used for the analytical process. This is a descriptive work based on documentary analysis and in-depth interviews about a time when the crisis of the prison system took centre stage in the public agenda, beginning a series of debates and reforms on the system that reach today.