Miracle-dz/UniFAR-FTUs huggingface dataset:
Forensic Analysis in Access Control: a Case-Study of a Cloud Application

We discuss a case-study we have conducted on forensic analysis in access control. The case-study is an application in the Amazon Web Services (AWS) cloud provider. Forensic analysis is the investigation and analysis of evidence of possible wrongdoing. Access control is used to regulate accesses to computing resources. Both forensic analysis and access control are recognized as important aspects of the security of a system. We first argue that posing the forensic analysis problem in the context of access control is meaningful and useful towards the security of a system. We then summarize results on the computational hardness of the forensic analysis problem for two access control schemes from the research literature. We point out that these results suggest that meaningful logging information can render forensic analysis tractable, even efficient. We then instantiate the forensic analysis in access control problem in the context of a cloud application. A cloud application is a software service that can be accessed over the Internet and uses computing resources provided by a cloud provider. A cloud provider provides computing tools and services that can be administered over the Internet. The cloud provider we have adopted is AWS, and the application is “Hello Retail”, an image-sourcing application for online retailers. In addressing forensic analysis in this context, our particular focus is the manner in which logging information can be leveraged. We ask two kinds of questions: (i) is particular logging information from AWS necessary to answer forensics analysis questions of interest, and, (ii) is particular logging information sufficient? We observe that from the standpoint of (i), default AWS logs have considerable redundancy. We propose an algorithm to prune logs for efficient forensic analysis. From the standpoint of (ii), we observe that it is not possible to definitively answer ‘yes’ or ‘no’ to forensic analysis questions of interest given only the information AWS permits us to log. We identify additional logging information that, if available, would be sufficient. Together, (i) and (ii) provide us with “goal-directed logging. ” We conclude by reiterating the benefits of forensic analysis in access control, and with suggestions for goal-directed logging in cloud systems.
Performance Evaluation and Overview of 5g Mm Wave Cellular Networks

5G cellular communications has several applications “such as enhanced mobile broadband (eMBB)”, ultra-reliable and low latency communications (URLLC)”and most important is “massive machine type communications” (mMTC). As we know that 5G is complicated cellular network too, so it has to build some various techniques, which can be of mmwave communication, “massive multi-input” and “multi-output (MIMO)”, heightened trifling cells and assorted networks. There are also 5G performance indicators which are responsible for the performance given by the network i.e. are connection density, dependability and energy effectiveness [4].
International Journal of Arts and Humanities

This research aims at revealing the correlation between metacognitive skills and motivation toward retention, as well as the amount of the contribution of metacognitive skills and motivation toward students’ retention in biology learning implementing of cooperative script strategy. The design used in this research was a descriptive-correlational research. This research involved 19 students of class X Natural Science of Muhammadiyah 1 Senior High school Malang. The data collected in this research were the data of the pretest and posttest of metacognitive skills and motivation as well as the retention data (three weeks after the posttest). The data were analyzed using multiple linear regression analysis. The results of the analysis showed that there was a correlation between metacognitive skills and motivation toward students’ retention in cooperative script strategy with the regression line equation Y = -3.510 + 0,757X1 + 0, 061X2, and the contribution value of 79.6%; the effective contribution of metacognitive skills toward retention was 79.54%, and the effective contribution of motivation toward retention was 0.06%. The contribution of the other factors, was as much as 20,4%.
Efflux Pumps and These Inhibitors

In this era of multi-drug resistance, efflux pump is one of the major problems which is increasingly concerned by scientists. The structure and mechanism activity of the efflux pumps on both bacteria and eurakyotes that are gradually being clarified. Since then, efflux pump inhibitors have also been studied and initially applied in clinic, that makes an important contribution to preventing the outbreak of multi-resistant infections and cancers. Efflux pump inhibitors are often small synthetic molecules or plant metabolites that show great promise in inhibiting multiresistant in both bacteria and cancerous cells.
Inter-basin water transfer supply chain coordination with the fairness concern under capacity constraint and random precipitation

Purpose The purpose of this paper is to explore the impact of supply capacity constraint, water delivery loss and fairness concern on the operational decisions/efficiency of the IBWT supply chain under the random precipitation. Design/methodology/approach Two game-theoretic decision models for the IBWT supply chain coordination considering water delivery loss without/with fairness concern under the supply capacity constraint and random precipitation are developed, analyzed and compared. On this basis, the corresponding numerical analyses are conducted and compared to derive the corresponding management insights and policy implications. Findings The research results indicate that the two-part tariff contract could effectively coordinate the IBWT supply chain and achieve operational performance improvement; the binding supply capacity constraint makes the water capacity to be allocated among IBWT distributors in accordance with fair shortage allocation rule and reduces the profit (or utility) of the IBWT supply chain and its members; the existence of fairness concern reduces the utility of the IBWT supply chain and its members; a lower precipitation utilization factor in the case with non-binding capacity constraint is beneficial for improving the profit/utility of the IBWT supply chain while a higher precipitation utilization factor in the case with binding capacity constraint is beneficial for improving the profit/utility of the IBWT supply chain; and reducing the water delivery loss rate, the mainline transfer cost, the branch-line transfer cost, the holding cost and the shortage cost and setting a higher retail price are beneficial for improving the profit/utility of the IBWT supply chain. Originality/value Two innovative coordination decision models under random precipitation are developed, analyzed and compared through game-theoretic approaches to investigate the impact of supply capacity constraint, water delivery loss and fairness concern on the operational decisions/efficiency of the IBWT supply chain, which have enhanced the optimization decision theory for the operations management of IBWT projects and provided a better decision support for the IBWT stakeholders to make better operations strategies.
Detection of Toxoplasma gondii in Iraqi Women with Breast Cancer by Real-Time PCR

A cross-sectional study was carried out in Kirkuk city from 15 th of June 2018 to 15 th of December 2018 to detect of Toxoplasma gondii DNA in sera of women with breast cancer by real-time PCR and comparing the results with IgG and IgM toward T. gondii. The number of breast cancer women understudy were 35. The ages of the patients were between 20-75 years old. These patients admitted to Kirkuk oncology center. The control group were included 50 healthy individuals. blood was collected from each patients and control for molecular tests of T. gondii using real-time PCR and serological testing for detection specific Toxoplasma gondii IgM and IgG by using ELISA technique. The study showed that the highest rate of anti T. gondii IgM+ IgGantibodies 8.57% was recorded among women with breast cancer comparing with 8% in healthy control while 14.29% of women with breast cancer were IgM+IgG+ comparing 6% of the healthy control group. The highest rate of total T. gondii antibodies by ELISA 68.57% was noted among women with breast cancer and the lowest rate was among healthy control 20%. The study revealed that 54.17% of women with breast cancer with positive ELISA was positive by PCR comparing with 9.09% of patients with negative ELISA results. The result was highly significant with sensitivity and specificity of 54.17% and 90.09% respectively. The highest rate of anti T. gondii IgM+ IgGantibodies 66.67% women with breast cancer was positive by PCR followed by 40% of patients with IgM+ IgG+ antibodies. It was concluded that Toxoplasma gondii more frequently associated with breast cancer and PCR was more accurate in detection of the parasite.
New results on cycle–slipping in pendulum–like systems

n this paper, we examine dynamics of multidimensional control systems obtained as feedback interconnections of stable linear blocks and periodic nonlinearities. The simplest of such systems is the model of mathematical pendulum (with viscous friction), so we call such systems pendulum-like. Other examples include, but are not limited to, coupled vibrating units, networks of oscillators, Josephson junction arrays and numerous synchronization circuits used in radio and telecommunication engineering. Typically, a pendulum-like system has infinite sequence of equilibria, and one of the central problems addressed in the theory of such systems is to find the conditions of “global stability”, or gradient-like behavior ensuring that every solution converges to one of the equilibria points. If a system is gradient-like, another problem arises, being the main concern of this paper: can we find the terminal equilibrium, given the initial condition of the system? It is well known that solutions do not converge, in general, to the nearest equilibrium; this phenomenon is known as cycle-slipping. For a pendulum, cycle-slipping corresponds to multiple rotations of the pendulum about its suspension point. In this paper, we estimate the number of slipped cycles for general pendulum-like systems by means of periodic Lyapunov functions and the Kalman-Yakubovich-Popov lemma.
Poor Adherence to Preventive Health Care and Cancer Screening Guidelines Among Food Pantry Clients

ABSTRACT The objective of this study was to identify barriers related to poor adherence to preventative health behaviors in a disparate population. In-depth interviews were conducted with food pantry clients to gain an understanding of food pantry client demographics, health status, concordance to health care and screening guidelines, barriers to food and health care, and food security status. Disparities in health and adherence to preventive health recommendations exist for food pantry clients. Significant barriers contribute to poor adherence to cancer screenings and preventive health guidelines. These data highlight the need to design and implement targeted and multifaceted interventions to improve the health practices of food pantry clients.
OUTCOME OF PEDIATRIC PYELOPLASTY IN RENAL UNITS WITH SPLIT RENAL FUNCTION LESS THAN 20

Background: Prenatally diagnosed, hydronehprosis does not mean presence of decompensated obstruction and spontaneously improvement or resolution can occur postnatally. If obstruction persists, the split renal function (SRF) of the diseased kidney will dramatically decrease, and surgical intervention will be necessary. Objective: Evaluation of outcome of pyeloplasty in children with ureteropelvic junction obstruction (UPJO) in renal unit with split function less than 20% and to asses renal function recoverability. Patients and Methods: Cohort (historical and concurrent) study included 88 patients with UPJO with split renal function (SRF) < 20%. Preoperative patient was investigated by abdominopelvic ultrasound, magnetic resonance urography (MRU) or computerized tomography and renal isotope scan. Split renal function and T 1/2 . Preoperative and postoperative were compared. Results of the procedure were evaluated by clinical examination, abdomino-pelvic ultrasound after one month. Urine analysis with culture and sensitivity and renal isotope scan after 6 months. Results: Our study included 88 patients divided into two groups according to SRF (group 1, SRF >20% and group 2, SRF < 20%). Mean preoperative SRF was 31.34 ± 15.27%in all cases, 41.79 ± 7.03% in group 1 and 13.06 ± 4.90% in group 2, which increased postoperatively to 38.35 ± 15.61%, 46.86 ± 8.43% and 20.81 ± 7.67% respectively and this improvement was highly significant. Group 2 included 9 patient with SRF < 10%, mean preoperative SRF was 6.21 ± 2.26% which increased preoperatively to 15.04 ± 7.09% , also in the remaining 23 cases, mean preoperative SRF was 15.74 ± 2.30% increased postoperatively to 23.07 ± 6.75% . Conclusion: Poorly functioning renal unit with SRF < 20%, can show functional improvement and recoverability, so in these renal units, we should not have to rush to nephrectomy and instead of that we can proceed to pyeloplasty.
The antioxidant enrichment of Duroc boar diet and its effect on quality of ejaculate during the summer season

Good quality of ejaculate is very important for the amount of produced insemination doses (ID). Main monitored parameters are volume of ejaculate, concentration of sperm, sperm motility and morphologically abnormal sperm. During the oxidative stress of organism sperm cells are damaged by the free radicals, especially by reactive oxygen species (ROS). Oxidative stress is considered as one of the main causes of male infertility. In this study we monitored qualitative and quantitative parameters of boars ejaculate during summer season, when we have assumed the heat stress. Two groups of Duroc boars were monitored. First was the control group (n = 6) without any antioxidant supplements in their diet. Second group was the experimental group (n = 6) with supplementation of antioxidant complex (selenium, zinc, vitamin E and C) in their diet. The results have been compared after four months of experimental period. In motility, there was statistically significant difference between groups after two months by 8.06% (P < 0.05). In experimental group, motility did not decreased below required level (70%) unlike the control group. In morphologically abnormal sperm, there was observed statistically significant increase (P < 0.05) in control group, even above the required level (20%) for ID preparation.
In-flight calibration and monitoring of the Tropospheric Monitoring Instrument (TROPOMI) short-wave infrared (SWIR) module

Abstract. During its first year in operation the short-wave infrared (SWIR) Tropospheric Monitoring Instrument (TROPOMI) was calibrated in-flight and its performance was monitored. In this paper we present the results of the in-flight calibration and the ongoing instrument monitoring. This includes the determination of the background signals, noise performance, instrument spectral response function (ISRF) stability, and stray-light stability. From these results, the number of incurred dead and bad pixels due to cosmic-ray impacts is determined. The light-path transmission is checked by monitoring internal lamp and diffuser stabilities. Due to its high sensitivity to Earth radiation on the eclipse side, the calibration strategy for the background (i.e. dark current and offset) monitoring was adjusted. Trends over the first full year of nominal operations reveal a very stable SWIR module. The number of newly incurred dead and bad pixels is less than 0.1 % over nearly a full year since the start of operations. Assuming linear degradation of various components, the SWIR module is expected to keep performing within expected parameters for the full operational lifetime.
Restoration of Al-Sanaf Marsh under Various Operation Conditions

The dried Iraqi marshlands were re-flooded after the year 2003. Because of the water shortage feeds the marshes during the last years, the re-flooded marshes began to dry again. The Al-Sanaf marsh is part of the Al Hammar marsh located in the Thi Qar province. It is not separated hydraulically from the Al Hammar marsh. The study suggested separating the two marshes by replacing the culverts under security dyke with uncontrolled weir to keep the area of Al-Sanaf marsh submerged. If there is any added water, it will cross from the suggested structure to the Al Hammar marsh. A hydrodynamic and water quality routing models (RMA2 and RMA4) were prepared based on mass conservation low, mass balance model, and four scenarios were applied for the Al-Sanaf marsh based on the incoming discharges. The suggested model was calibrated with field data measured in the marsh. The four suggested scenarios are to keep the requirement of the Al-Sanaf marsh restoration. The maximum submerged area of the marsh is 100 km2 under any operation conditions while this area was reduced to 72 km2 under low flow conditions (minimum inflow from the feeders). The three scenarios operated considering values of inflow from Euphrates River with the required inflow from Al Khamissiya canal to keep the minimum level of salinity in the submerged area. While the fourth scenario operated with the minimum value of discharge from all feeders.
Compilation of China’s Provincial Capital Stock Series Using Perpetual Inventory Method

Compiling statistic series of physical capital stock is a key element for an estimation of aggregate production function and for exercising growth accounting. Existing literature, however, shows a great variation on the estimation of capital stocks in China in terms of methods and data sources. Improvements and one major adjustment in GDP accounting practices for Chinese provinces, which were made between 1986-88, 1988-97 and 1994-95, respectively, have made possible for more standardized and consistent construction of provincial capital stock series using perpetual inventory method (PIM). This paper is the revised and extended version of original paper in 2004 which for the first time in the literature provides a systematic, detailed and standardized compilation of capital stock series for China’s provinces for post-1952 period. This dataset, though suffering some drawbacks, can be easily updated up to more recent years using Chinese official statistics.
An NFC-based Scenic Service System

Based on the characteristics that NFC devices can read and write specific tags and readers, three programs are proposed using NFC mobile phones to interact with the deployed tags and readers for acquiring information of the current attraction and attractions nearby. A kind of checkin and scoring mechanism is also designed which can be efficient and effective for users to upload scores for popular attractions recommendation, and its correctness has been verified by formula derivation. Then a cross-platform interactive NFC-based service system is designed and implemented on platforms of Android phones, servers and PC clients according to these programs and the mechanism. By testing the time consumption of each operation and comparing three programs, the system performance proves to be fine and can meet actual use.
(Pemodelan Kebersandaran dan Penganggaran Risiko Portfolio menggunakan Pendekatan GARCH-Copula)

Past studies have shown that linear correlation measure may result in misleading interpretations and implications of dependency when financial variables are involved. The copula approach can be adopted as an alternative for measuring dependence as it provides the solution to fat tail problems in multivariate cases which arises from the probability of large or extreme co-movements. Due to limited studies on copulas using Islamic financial data, this study set outs to obtain a clear picture on the dependence between Islamic and conventional stock markets in Malaysia. Firstly, we model the dependence between Islamic and conventional returns data using the copula-ARMA-GARCH models with normal and nonnormal error distributions, and secondly, we evaluate the portfolios of Islamic and conventional indices using recent risk measures. This paper shows that, by using the copula approach for measuring the dependency between two financial variables while maintaining their true nature as described by the ARMA-GARCH models, meaningful interpretation can be made about the association of the financial variables which reflects the real association between markets. Furthermore, this study proposes a set of procedures on how portfolio risks can be estimated using VaR based on the ARMA(p,q)GARCH(1,1)-t-copula models including backtesting via simulation.
Efficacy of Colletotrichum gloeosporioides, potential fungi for bio control of Echinochloa crus-galli (Barnyard grass)

A systematic field study was conducted in agricultural fields such as food crops, pulses, vegetable crops, oil crops and commercial crops to estimate infestation of Echinochloa crus – galli (barnyard grass), a common terrestrial weed belonging to family poaceae. The in vitro pathogenicity studies on barnyard grass were conducted using spore inoculum (8X107/ml) of an indigenous fungus, Colletotrichum gloeosporioides. The pathogen was re-isolated from inoculated plants to fulfill Koch’s postulates and confirmed its host specificity on barnyard grass. The disease by the isolate was critically analyzed and the results revealed that Colletotrichum gloeosporioides is a potential agent to biological control of barnyard grass. The results revealed that the pathogen causes significantly (P < 0.05) severe infection on host weed and destructs the weed population by leaf spot diseases. The findings of the research suggested that the isolate Colletotrichum gloeosporioides is highly virulent and host-specific, and recommended for further studies as a promising biocontrol agent against barnyard grass weed.
DEMOGRAPHIC, CLINICAL AND PARACLINICAL CHARACTERISTICS OF MULTIPLE SCLEROSIS MIMICS AMONG A SAMPLE OF EGYPTIAN PATIENTS

Background: Multiple sclerosis (MS) is a chronic autoimmune disease which is the main cause of non-traumatic disability among young and middle-aged adults. The diagnosis of MS is not often feasible, whereas many disorders are mimicking MS. Objective: retrieving the difference in demographics, clinical, and paraclinical characteristics of MS mimics in order to ensure early diagnosis and adequate treatment of such patients. Patients and Methods: All patients with clinically suspected MS and aged 18-60 years old were included in the current study from the MS unit of Neurology Department, Al-Azhar University Hospitals, during the period from May, 2017 to April, 2019. Those patients were furtherly assorted based on Mcdonald's Criteria 2017 and paraclinical assessment into two groups; patients who had confirmed MS and those with MS mimics. Results: In the present study, 515 patients with a suspected diagnosis of multiple sclerosis were enrolled. There were 400 (77.6 %) patients diagnosed as MS, while 115 (22.4%) patients were not fulfilling such criteria and considered MS mimics. After reaching a final diagnosis, our cases distributed as follows: Thirty cases (26.1) migraine, twelve cases (10.4%) radiological isolated syndrome, eleven cases (9.6%) small vessel disease, ten cases (8.7%) psychogenic, eight cases (7%) neuromyelitis optica, five cases (4.3%) systemic lupus erythematosus, five cases (4.3%) Behcet’s disease, five cases (4.3%) anterior ischemic optic neuropathy, four cases (3.5%) antiphospholipid syndrome, and four cases (3.5%) transverse myelitis. Conclusion: Patients with a suspected diagnosis of MS should be subjected to meticulous neurological assessment coupled with MRI and the appropriate laboratory investigations to reach the definite diagnosis.