Miracle-dz/UniFAR-FTUs huggingface dataset:
Coalition-based Task Assignment in Spatial Crowdsourcing

With the fast-paced development of mobile networks and the widespread usage of mobile devices, Spatial Crowdsourcing (SC), which refers to assigning location-based tasks to moving workers, has drawn increasing attention in recent years. One of the critical issues in SC is task assignment that allocates tasks to appropriate workers. In this paper, we propose a novel SC problem, namely Coalition-based Task Assignment (CTA), where the spatial tasks (e.g., house removals, furniture installation) may require more than one workers (forming a coalition) to cooperate in order to maximize the overall rewards of workers. To tackle the CTA problem, we design both greedy method and equilibrium-based method. In particular, the greedy method aims to form a set of worker coalitions greedily to perform the tasks, in which we introduce an acceptance possibility to find the high-value task assignments. In the equilibrium-based algorithm, workers form coalitions in sequence and update their strategy (i.e., selecting a best-response task) at their turn, in order to maximize their own utility (i.e., reward of the coalition they stay in) until Nash equilibrium is reached. Since the equilibrium point obtained by the best-response approach is not unique and optimal in terms of total rewards, we further propose a simulated annealing scheme to find a better Nash equilibrium. The extensive experiments demonstrate the efficiency and effectiveness of the proposed methods on both real and synthetic datasets.
Analysis of the differences between Syntormon pallipes and S. pseudospicatus (Diptera: Dolichopodidae): morphological and molecular data

The recent catalogues of the family Dolichopodidae considered Syntormon pallipes (Fabricius, 1794) and S. pseudospicatus Strobl, 1899 as separate species. In this study, we used three approaches to estimate the significance of differences between the two species: molecular analysis (COI and 12S rRNA sequences), analysis of leg colour characters and geometric morphometric analysis of wing shape. The morphological data confirmed the absence of significant differences between S. pallipes and S. pseudospicatus found in the DNA analysis. Significant differences in the wing shape of two species have not been revealed. Hence, according to our data, there is no reason to consider S. pseudospicatus as a distinct species. Резюме. В последних каталогах семейства Dolichopodidae Syntormon pallipes (Fabricius, 1794) и S. pseudospicatus Strobl, 1899 рассматриваются как отдельные виды. Для оценки значи­ мости различий между ними были использованы три подхода: анализ молекулярных последовательностей (COI и 12S рРНК), анализ цветовых признаков ног и сравнение формы крыльев методами геометрической морфометрии. Отсутствие существенных различий между Syntormon pallipes и S. pseudospicatus, выявленное по результатам анализа ДНК, подтверждено морфологическими данными. Анализ формы крыла не выявил достоверных различий между двумя видами. Таким образом, по результатам нашего анализа нет оснований считать S. pseudospicatus самостоятельным видом.
Can Expressive Posterior Approximations Improve Variational Continual Learning?

—Mean ﬁeld variational inference (MFVI) has been successfully used in the past for continual learning. However, Gaussian mean ﬁeld approximation has been shown to be inferior to more expressive forms of posterior approximation for training latent variable models and single task Bayesian neural networks (BNNs). In this paper, we examine whether expressive posterior approximations obtained with normalizing ﬂows (NF) can result in improved continual learning compared to the mean ﬁeld approach. Results from our preliminary experiments on the Permuted MNIST benchmark indicate that with longer training durations, over all tasks, BNNs with NF perform marginally better than BNNs with MFVI. Additionally, BNNs with NF are superior to BNNs with MFVI at remembering more recent tasks, while the performance on older tasks is similar between the two methods.
MIND News Recommendation Challenge 2020 Technical Report for 4 th Place ( 3 rd Prize) Solution

Online news are now ubiquitous and are accessed on billions of devices daily [1]. With the abundance of news content being created everyday, it is of greater and greater importance to filter out news and recommend a selected relevant few to each user. Without news recommendation, user experience would be very poor as users would drown in the flow of articles. In the MIND News Recommendation Challenge, the participants task is to build a model predicting whether or not a user will click on a given news, given a user history. In other words, given a user news clicking history:
Direct-current-magnetron deposition of molybdenum and tungsten with rf-substrate bias

It has recently been shown that the stress of many refractory thin films deposited by dc‐magnetron sputtering can be influenced by the sputtering pressure. Usually the transition from compressive to tensile stress is too sharp for pressure to be a reliable variable for stress control. This is particularly true in applications such as x‐ray optics and lithography where extremely low stress is required owing to minimal substrate rigidity. In this paper, we show that there exists a broad region of the parameter space of current, pressure, and rf‐substrate bias where tungsten and molybdenum may be deposited with low stress. A detailed study of the effects of these parameters upon stress, plasma etch rate, and resistivity is reported.
Cognitive Frailty and 30-Day Mortality in a National Cohort of Older Chinese Inpatients

Purpose Studies exploring the association of cognitive frailty and mortality have been mainly based on community settings or nursing home settings. The aim of our study was to explore the association between cognitive frailty and 30-day mortality among older Chinese inpatients. Patients and Methods A national cohort study was performed in different hospitals in China. A baseline survey was conducted from October 2018 and February 2019. Trained investigators collected the 30-day mortality. Cognitive impairment and frailty were defined by the Mini-Cog and FRAIL scale, respectively. Multivariate regression was used to explore the association between cognitive impairment and frailty status with 30-day mortality. Results Of these participants, there were 3891 (41.91%) women and 5392 (58.09%) men, with an average age of 72.41 (SD=5.72). The prevalence of cognitive frailty was 5.44%. After adjusting for age, gender, education, depression and activities of daily living (ADL), the odds ratios (ORs) for 30-day mortality among inpatients were 3.43 (95% CI: 1.80–6.55) for cognitive frailty, 1.85 (95% CI: 1.01–3.41) for frailty only, and 1.43 (95% CI: 0.77–2.65) for cognitive impairment only compared to the reference group (neither frailty nor cognitive impairment). In addition, the discrimination of 30-day mortality was higher among patients with cognitive frailty (area under the curve =0.676 [95% CI: 0.621–0.731]) than either frailty (area under the curve =0.644 [95% CI: 0.594–0.694]) or cognitive impairment (area under the curve = 0.606 [95% CI: 0.556–0.655]) separately. Stratified analysis showed that these associations still existed when grouped by gender. Conclusion Our study found that Chinese inpatients with cognitive frailty had a higher risk of 30-day mortality than those without frailty and cognitive impairment, suggesting that clinicians should be encouraged to perform early screening of patients with frailty and cognitive impairment and carry out effective interventions to reverse cognitive frailty syndrome.
Antibiotic Susceptibility Patterns of Bacterial Isolates from Routine Clinical Specimens from Referral Hospitals in Tanzania: A Prospective Hospital-Based Observational Study

Introduction Antimicrobial resistance is one of the biggest threats of modern public health. Although sub-Saharan Africa is highly burdened with infectious diseases, current data on antimicrobial resistance are sparse. Methods A prospective study was conducted between October 2018 and September 2019 to assess the antibiotic susceptibility patterns of clinical bacterial isolates obtained from four referral hospitals in Tanzania. We used standard media and Kirby-Bauer disc diffusion methods as per Clinical and Laboratory Standards Institute (CLSI) standards. Results We processed a total of 2620 specimens of which 388 (14.8%) were culture-positive from patients with a median (IQR) age of 28 (12–44) years. Of the positive cultures, 52.3% (203) were from females. Most collected specimens were ear pus 28.6% (111), urine 24.0% (93), wound pus 20.6% (80), stool 14.9% (58), and blood 8.3% (32). Predominant isolates were S. aureus 28.4% (110), E. coli 15.2% (59), P. aeruginosa 10.6% (41), P. mirabilis 7.0% (27), V. cholerae 01 Ogawa 6.2% (24), Klebsiella spp. 5.2% (20) and Streptococcus spp. 4.6% (18). Generally, the isolates exhibited a high level of resistance to commonly used antibiotics such as Ampicillin, Amoxicillin-Clavulanic acid, Erythromycin, Gentamicin, Tetracycline, Trimethoprim, third-generation Cephalosporins (Ceftriaxone and Ceftazidime), and reserved drugs (Clindamycin and Meropenem). S. aureus isolates were resistant to most of the antibiotics tested; 66.7% were classified as MRSA infections. Conclusion Antibiotic resistance to commonly prescribed antibiotics was alarmingly high. Our findings emphasize the need for comprehensive national control programs to combat antibiotic resistance.
An Application of the Theory of Planned Behavior to Predict the Intention and Practice of Nursing Staff Toward Physical Restraint Use in Long-Term Care Facilities: Structural Equation Modeling

Purpose Understanding the factors that affect nursing staffs’ intention and practice of physical restraint (PR) on older adults help develop restraint-reduction programs. This study aimed to identify the relationship between the Theory of Planned Behavior (TPB) constructs and nursing staffs’ practice to use PR in long-term care (LTC) facilities. Patients and Methods A cross-sectional survey was conducted via convenience sampling among 316 nursing staff in six Chinese LTC facilities. PR-TPB questionnaire and the practice subscale of the Chinese version of the Staff Knowledge, Attitudes and Practices Questionnaire regarding PR were used to collect the data. Structural equation modeling (SEM) was used to examine the relationship between variables. Results The SEM fit well with the data (χ2/df =1.639, RMSEA = 0.045, CFI= 0.955, GFI=0.945). Attitude (β=0.536, P<0.001) and perceived behavioral control (PBC) (β=0.139, P<0.05) predicted intention (R2=0.359). PBC was a significant predictor of practice, with R2 accounting for 0.151. Conclusion TPB provided useful insight into better understanding nursing staffs’ PR practices, although it did not support all the TPB principles significantly. Prospective studies may be conducted to design and implement multi-component interventions based on TPB and explore the effectiveness of PR reduction in LTC facilities in-depth.
Lidocaine Inhibits Myoblast Cell Migration and Myogenic Differentiation Through Activation of the Notch Pathway

Purpose To assess the cellular and molecular effects of lidocaine on muscles/myoblasts. Methods Cultured myogenic precursor (C2C12) cells were treated with varying concentrations of lidocaine. Results Cell viability of C2C12 cells was inhibited by lidocaine in a concentration-dependent manner, with concentrations ≥0.08%, producing a dramatic reduction in cell viability. These ≥0.08% concentrations of lidocaine arrested cell cycles of C2C12 cells in the G0/G1 phase. Moreover, lidocaine inhibited cell migration and myogenic processes in C2C12 cells at low concentrations. Results from QRT-PCR assays revealed that following treatment with lidocaine, Notch1, Notch2, Hes1, Csl and Dll4 all showed higher levels of expression, while no changes were observed in Mmal1, Hey1, Dll1 and Jag1. Conclusion This work provides the first description of the effects of lidocaine upon the regeneration of muscles and maintenance of satellite cells at the cellular and molecular levels. In specific, we found that the Dll4-Notch-Csl-Hes1 axis was up-regulated suggesting that the Notch signaling pathway was involved in producing these effects of lidocaine. These findings provide a new and important foundation for future investigations into the effects of drug therapies in muscle diseases.
Determination of optimal deployment strategy for REBOA in patients with non-compressible hemorrhage below the diaphragm

Background Non-compressible truncal hemorrhage (NCTH) is the leading cause of preventable death after trauma. Resuscitative endovascular balloon occlusion of the aorta (REBOA) achieves temporary hemorrhage control, supporting cardiac and cerebral perfusion prior to definitive hemostasis. Aortic zone selection algorithms vary among institutions. We evaluated the efficacy of an algorithm for REBOA use. Methods A multicenter prospective, observational study conducted at six level 1 trauma centers over 12 months. Inclusion criteria were age >15 years with evidence of infradiaphragmatic NCTH needing emergent hemorrhage control within 60 min of ED arrival. An algorithm characterized by the results of focused assessment with sonography in trauma and pelvic X-ray was assessed post hoc for efficacy in a cohort of patients receiving REBOA. Results Of the 8166 patients screened, 78 patients had a REBOA placed. 21 patients were excluded, leaving 57 patients for analysis. The algorithm ensures REBOA deployment proximal to hemorrhage source to control bleeding in 98.2% of cases and accurately predicts the optimal REBOA zone in 78.9% of cases. If the algorithm was violated, bleeding was optimally controlled in only 43.8% (p=0.01). Three (75.0%) of the patients that received an inappropriate zone 1 REBOA died, two from multiple organ failure (MOF). All three patients that died with an inappropriate zone 3 REBOA died from exsanguination. Discussion This algorithm ensures proximal hemorrhage control and accurately predicts the primary source of hemorrhage. We propose a new algorithm that will be more inclusive. A zone 3 REBOA should not be performed when a zone 1 is indicated by the algorithm as 100% of these patients exsanguinated. MOF, perhaps from visceral ischemia in patients with an inappropriate zone 1 REBOA, may have been prevented with zone 3 placement or limited zone 1 occlusion time. Level of evidence Level III.
Importance of the Corrected Calcium Level in Patients With Acute Heart Failure Requiring Intensive Care

Background: Serum calcium (Ca) concentrations in the acute phase of acute heart failure (AHF) have not been not sufficiently investigated. Methods and Results: This study enrolled 1,291 AHF patients and divided them into 3 groups based on original and corrected Ca concentrations: (1) hypocalcemia (both original and corrected Ca ≤8.7 mg/dL; n=651); (2) pseudo-hypocalcemia (original and corrected Ca ≤8.7 and >8.7 mg/dL, respectively; n=300); and (3) normal/hypercalcemia (both original and corrected Ca >8.7 mg/dL; n=340). AHF patients were also divided into 2 groups based on corrected Ca concentrations: (1) corrected hypocalcemia (corrected Ca ≤8.7 mg/dL; n=651); and (2) corrected normal/hypercalcemia (corrected Ca >8.7 mg/dL; n=640). Of the 951 patients with original hypocalcemia (≤8.7 mg/dL), 300 (31.5%) were classified as corrected normal/hypercalcemia after correction of Ca concentrations by serum albumin. The prognoses in the pseudo-hypocalcemia, low albumin, and corrected normal/hypercalcemia groups, including all-cause death within 730 days, were significantly poorer than in the other groups. Multivariate Cox regression analysis showed that classification into the pseudo-hypocalcemia, hypoalbumin, and corrected normal/hypercalcemia groups independently predicted 730-day all-cause death (hazard ratios [95% confidence intervals] of 1.497 [1.153–1.943], 2.392 [1.664–3.437], and 1.294 [1.009–1.659], respectively). Conclusions: Corrected normal/hypercalcemia was an independent predictor of prognosis because this group included patients with pseudo-hypocalcemia, which was affected by the serum albumin concentration.
Health Centers’ Preparedness for Coronavirus (COVID-19) Pandemic in South Wollo Zone, Ethiopia, 2020

Background COVID-19 is a highly contagious respiratory disease caused by severe acute respiratory syndrome coronavirus two (SARS-CoV-2). Preparedness of health facilities to prevent the spread of COVID-19 is an immediate priority to safeguard patients and healthcare workers and to reduce the spread of the pandemic. However, the preparedness of health centers in south Wollo zone is unknown. Objective To assess the preparedness of Health Centers for COVID-19 in South Wollo Zone, Ethiopia, 2020. Methods Health facility-based cross-sectional study was conducted among forty-six Health Centers in South Wollo zone in August 2020. The sampled health centers were selected by lottery method. The data was collected from the manager of the health centers using a pretested interviewer-administered and observational checklist. The ReadyScore criteria was used to classify the level of preparedness, in which health centers with a score of >80%, 40–80%, and <40% were considered as better prepared, work to do, and not ready, respectively. Results In this study, the median score of health centers preparedness for COVID-19 was 70.3 ± 21.6 interquartile ranges with a minimum score of 40.5 and the maximum score of 83.8. Only 12 (26.1%) of the health centers were prepared for the COVID-19 pandemic. The majority (73.9%) of the health centers were found within the group of “work to do”. Conversely, none of the health centers were found within the “not ready” or below group. Conclusion This study concluded that the preparedness status of the majority of health centers in South Wollo Zone was within the “work to do” group. Therefore, the local government and other concerned bodies should monitor and support health centers to increase their preparedness and to build their capacity.
Systematic Review and Meta-Analysis of Good Self-Care Practice among People Living with Type 2 Diabetes Mellitus in Ethiopia: A National Call to Bolster Lifestyle Changes

Background Self-care practice is the mainstay of management for good glycemic control. Despite the presence of a few pocket studies, no comprehensive study was conducted in Ethiopia to demonstrate the overall good self-care practice among diabetic patients in Ethiopia. Therefore, we intended to conduct this systematic review and meta-analysis to estimate the overall good self-care practice among people living with type 2 diabetes mellitus (T2DM) in Ethiopia. Methods We systematically searched PubMed, Scopus, Science Direct, Cochrane library, Google scholar, and direct Google to retrieve relevant studies. Forest plot was used to present the pooled estimate of good self-care practice using DerSimonian and Laird's random-effects model. We checked publication bias using Egger's test and funnel plot. Potential heterogeneity was tested using the I-squared statistic. Moreover, subgroup and sensitivity analyses were performed. Results In this review, 12 primary studies (with a total sample size of 4030) were included. Because of the presence of heterogeneity, we employed a random-effects model. After running the random-effects model, the pooled estimate of overall good self-care practice was 51.12% (95% CI: 41.90–60.34). Furthermore, the pooled estimate of good dietary practice was 50.18% (95% CI: 32.75–67.60), good physical exercise practice was 48.29% (95% CI: 34.14–62.43), the good footcare practice was 63.61% (95% CI: 45.56–81.66), and appropriate self-monitoring of the blood glucose level was 31.89% (95% CI: −4.62–68.41). In this meta-analysis, there was serious interstudy variation, but there was no publication bias. Conclusions The overall good self-care practice among people living with T2DM was low which necessitates the need for designing strategies to increase the self-care practice. The health sector has to bolster awareness creation to allow better plasma glucose control and preventing diabetes-related complications. This trial is registered with CRD42019147694.
Abnormal Gray Matter Volume and Functional Connectivity in Parkinson's Disease with Rapid Eye Movement Sleep Behavior Disorder

Objective Rapid eye movement (REM) sleep behavior disorder (RBD) is a common symptom in Parkinson's disease (PD), and patients with PD-RBD tend to have an increased risk of cognitive decline and have the tendency to be akinetic/rigidity predominant. At the same time, the mechanisms of RBD in patients with PD remain unclear. Therefore, this study aimed to detect the structural and functional differences in patients with PD-RBD and PD without RBD (PD-nRBD). Methods Twenty-four polysomnography-confirmed patients with PD-RBD, 26 patients with PD-nRBD, and 26 healthy controls were enrolled. Structural and functional patterns were analyzed based on voxel-based morphometry and seed-based functional connectivity (FC). Correlations between altered gray matter volume (GMV)/FC values and cognitive scores and motor impairment scores in PD subgroups were assessed. Results Compared with patients with PD-nRBD, patients with PD-RBD showed relatively high GMV in the cerebellar vermis IV/V and low GMV in the right superior occipital gyrus (SOG). For the FC, patients with PD-RBD displayed lower FC between the right SOG and the posterior regions (left fusiform gyrus, left calcarine sulcus, and left superior parietal gyrus) compared with the patients with PD-nRBD. The GMV values in the right SOG were negatively correlated with the Unified PD Rating Scale-III scores in patients with PD-RBD but positively correlated with delayed memory scores. The GMV values in the cerebellar vermis IV/V were positively correlated with the tonic chin EMG density scores. There were positive correlations between the FC values in the right SOG-left superior parietal gyrus and MoCA and visuospatial skills/executive function scores and in the right SOG-left calcarine sulcus and delayed memory scores. Conclusion Higher GMV in the cerebellum may be linked with the abnormal motor behaviors during REM sleep in patients with PD-RBD, and lower GMV and FC in the posterior regions may indicate that PD-RBD correspond to more serious neurodegeneration, especially the visuospatial–executive function impairment and delayed memory impairment. These findings provided new insights to learn more about the complicated characteristics in patients with PD-RBD.
Speed of sound, density, and compressibilities of heavy synthetic cuts from ultrasonic measurements under pressure

Abstract Thermophysical properties such as speed of sound, density, and isentropic and isothermal compressibilities have been obtained from ultrasonic speed measurements on two synthetic systems which are representative of distillation cuts with high bubble points ( T =520 K and T =573 K, respectively). The first system (composition expressed in mass fraction), (0.40C 13 H 28 +0.35C 13 H 26 +0.25C 13 H 20 ), was investigated at pressures from (0.1 to 150) MPa in the temperature range T =(293.15 to 373.15) K, whereas the second one, (0.40C 17 H 36 +0.35C 16 H 32 +0.25C 16 H 26 ), was investigated at pressures up to 100 MPa in the temperature range T =(293.15 to 373.15) K. Copyrigt 1998 Academic Press Limited