Miracle-dz/UniFAR-FTUs huggingface dataset:
Vehicle verification in two nonoverlapped views using sparse representation

Vehicle verification in two different views can be applied for Intelligent Transportation System. However, object appearance matching in two different views is difficult. The vehicle images captured in two views are represented as a feature pair which can be classified as the same/different pair. Sparse representation (SR) has been applied for reconstruction, recognition, and verification. However, the SR dictionary may not guarantee feature sparsity and effective representation. In the paper, we propose Boost-KSVD method without using initial random atom to generate the SR dictionary which can be applied for object verification with very good accuracy. Then, we develop a discriminative criterion to decide the SR dictionary size. Finally, the experiments show that our method can generate better verification accuracy compared with the other methods.
Coupled tensor decomposition: A step towards robust components

Combining information present in multiple datasets is one of the key challenges to fully benefit from the increasing availability of data in a variety of fields. Coupled tensor factorization aims to address this challenge by performing a simultaneous decomposition of different tensors. However, tensor factorization tends to suffer from a lack of robustness as the number of components affects the results to a large extent. In this work, a general framework for coupled tensor factorization is built to extract reliable components. Results from both individual and coupled decompositions are compared and divergence measures are used to adapt the number of components. It results in a joint decomposition method with (i) a variable number of components, (ii) shared and unshared components among tensors and (iii) robust components. Results on simulated data show a better modelling of the sources composing the datasets and an improved evaluation of the number of shared sources.
Semi-analytic modelling of galaxy formation: The local Universe

Using semi-analytic models of galaxy formation, we investigate galaxy properties such as the Tully-Fisher relation, the B and K-band luminosity functions, cold gas contents, sizes, metallicities, and colours, and compare our results with observations of local galaxies. We investigate several different recipes for star formation and supernova feedback, including choices that are similar to the treatment in Kauffmann, White & Guiderdoni (1993) and Cole et al. (1994) as well as some new recipes. We obtain good agreement with all of the key local observations mentioned above. In particular, in our best models, we simultaneously produce good agreement with both the observed B and K-band luminosity functions and the I-band Tully-Fisher relation. Improved cooling and supernova feedback modelling, inclusion of dust extinction, and an improved Press-Schechter model all contribute to this success. We present results for several variants of the CDM family of cosmologies, and find that models with values of 0 ≃ 0.3–0.5 give the best agreement with observations.
Retinal aging in the diurnal Chilean rodent (Octodon degus): histological, ultrastructural and neurochemical alterations of the vertical information processing pathway

The retina is sensitive to age-dependent degeneration. To find suitable animal models to understand and map this process has particular importance. The degu (Octodon degus) is a diurnal rodent with dichromatic color vision. Its retinal structure is similar to that in humans in many respects, therefore, it is well suited to study retinal aging. Histological, cell type-specific and ultrastructural alterations were examined in 6-, 12- and 36-months old degus. The characteristic layers of the retina were present at all ages, but slightly loosened tissue structure could be observed in 36-month-old animals both at light and electron microscopic levels. Elevated Glial fibrillary acidic protein (GFAP) expression was observed in Müller glial cells in aging retinas. The number of rod bipolar cells and the ganglion cells was reduced in the aging specimens, while that of cone bipolar cells remained unchanged. Other age-related differences were detected at ultrastructural level: alteration of the retinal pigment epithelium and degenerated photoreceptor cells were evident. Ribbon synapses were sparse and often differed in morphology from those in the young animals. These results support our hypothesis that (i) the rod pathway seems to be more sensitive than the cone pathway to age-related cell loss; (ii) structural changes in the basement membrane of pigment epithelial cells can be one of the early signs of degenerative processes; (iii) the loss of synaptic proteins especially from those of the ribbon synapses are characteristic; and (iv) the degu retina may be a suitable model for studying retinal aging.
Contributions of the Components of Phonemic Awareness to Letter-Sound Knowledge With Kindergarten Students in High-Poverty Urban Elementary Schools

Abstract Phonemic awareness (PA) includes rhyming, phoneme isolation, blending, and segmenting, but the relative importance of each component is unclear, especially for students from high-poverty areas. The current study examined the relationship between components of PA and an early literacy measure among 192 kindergarten students from high-poverty urban elementary schools. A researcher assessed the students using the Quick Phonemic Awareness Assessment and a measure of letter-sound knowledge (LSK). The results showed that PA was highly correlated with LSK. Initial phoneme isolation, blending, and segmenting contributed significant variance to LSK, but rhyming did not. The data supported the Quick Phonemic Awareness Assessment as a measure of PA among an urban population but questioned the importance of rhyming as a predictive component of PA.
Heme Arginate Therapy Enhanced Adiponectin and Atrial Natriuretic Peptide, but Abated Endothelin-1 with Attenuation of Kidney Histopathological Lesions in Mineralocorticoid-Induced Hypertension

We investigated the role of heme oxygenase (HO), adiponectin, and atrial natriuretic peptide (ANP) in uninephrectomized (UnX) deoxycorticosterone-acetate (DOCA)-salt hypertensive rats, a volume-overload model characterized by elevated endothelin-1 (ET-1), mineralocorticoid-induced oxidative/inflammatory insults, fibrosis, hypertrophy, and severe renal histopathological lesions that closely mimic end-stage renal disease (ESRD). HO was enhanced with heme arginate (HA) or blocked with chromium mesoporphyrin (CrMP). Histological, morphological/morphometrical, quantitative reverse transcription-polymerase chain reaction, Western blot, enzyme immunoassay, and spectrophotometric analysis were used. Our experimental design included the following groups of rats: A, controls [surgery-free Sprague-Dawley, UnX-sham, UnX-salt (0.9% NaCl + 0.2% KCl), and UnX-DOCA]; B, UnX-DOCA-salt hypertensive; C, UnX-DOCA-salt + HA; D, UnX-DOCA-salt + HA + CrMP; E, UnX-DOCA-salt + CrMP; F, UnX-DOCA-salt + captopril; G, UnX-DOCA-salt + l-arginine; H, UnX-DOCA-salt + spironolactone; and I, UnX-DOCA-salt + vehicle. HA lowered blood pressure and abated kidney hypertrophy and renal lesions, including glomerulosclerosis, tubular dilation, tubular cast formation, interstitial mononuclear cell infiltration, glomerular hypertrophy, and renal-arteriolar thickening in UnX-DOCA hypertension. Correspondingly, HO activity, adiponectin, adenosine monophosphate-activated protein kinase (AMPK), ANP, cGMP, antioxidants such as bilirubin, ferritin, superoxide dismutase, and catalase, and total antioxidant capacity were increased, whereas ET-1, transforming growth factor β (TGF-β), fibronectin, and 8-isoprostane were abated. These were accompanied by reduced proteinuria/albuminuria, but increased creatinine clearance. Interestingly, HA was more renoprotective than sipronolactone, l-arginine, and captopril, whereas the HO blocker CrMP exacerbated oxidative injury, aggravating renal lesions and function. Because 8-isoprostane stimulates ET-1 to potentiate oxidative stress and fibrosis, up-regulating HO-1 enhanced tissue antioxidant status alongside cellular targets such as adiponectin, AMPK, ANP, and cGMP to suppress ET-1, TGF-β, and fibronectin with a corresponding decline of renal lesions, proteinuria/albuminuria, and thus improved renal function. The potent renoprotection of HA could be explored to combat renal hypertrophy and histopathological lesions characteristic of ESRD.
Analysis of the respirogram phase of Korean wrestling athletes compared with nonathletes for sports physiotherapy research

[Purpose] Respiratory function is important for patients including athletes who require physical therapy for respiratory dysfunction. The purpose of the present study was to analyze the differences in the respirograms between Korean wrestling athletes and nonathletes according to phase for the study of sports physiotherapy. [Subjects and Methods] Respiratory function was measured using spirometry in both the athletes and nonathletes while they were in a sitting position. [Results] Spirometry parameters in the athletes were significantly higher than in the nonathletes. In respirogram phasic analysis, the expiratory area and total area of forced vital capacity were significantly increased in the athletes compared with the nonathletes. The slopes of the forced vital capacity for athletes at slopes 1, 2, and 3 of the A area were significantly increased. In correlative analysis, chest circumference was significantly correlated with slope 3 of the A area of the forced vital capacity. [Conclusion] The results suggest that the differences in changes in the phases of the respirogram between the Korean wrestling athletes and nonathletes may in part contribute to our understanding of respiratory function in sports physiotherapy research.
Dose escalation study of intravenous estramustine phosphate in combination with Paclitaxel and Carboplatin in patients with advanced prostate cancer.

PURPOSE The purpose is to determine a safe weekly dose of i.v. estramustine phosphate (EMP) to combine with weekly paclitaxel and monthly carboplatin in patients with advanced prostate cancer. EXPERIMENTAL DESIGN Patients with advanced prostate cancer (castrate and noncastrate) were administered escalating doses of weekly 1-h infusion of i.v. EMP (500-1000-1500 mg/m(2)) in combination with weekly paclitaxel (100 mg/m(2) over 1 h) and i.v. carboplatin (area under the curve 6 mg/ml-min every 4 weeks). Four weeks of therapy were considered one cycle. In the first three cohorts, EMP was given i.v. 3 h before paclitaxel. Cohorts 4 and 5 reversed the administration order: EMP (doses 1000-1500 mg/m(2)) was given immediately after the end of paclitaxel infusion. Plasma levels of EMP and its metabolites, estramustine and estromustine, were monitored at time 0, at 120 min, and approximately at 20, 21, and 168 h from the start of EMP infusion. Paclitaxel concentrations were determined at basal (0), 30, 60, 90, and 120 min and 18 h after the start of paclitaxel infusion, and a concentration-time curve was estimated. Pharmacokinetic evaluation was performed in cycles 1 and 2 during the first week of therapy. RESULTS Nineteen patients were entered on the initial three dose levels (cohorts 1-3). Dose-limiting transient hepatic toxicity was encountered in cohort 3 (EMP = 1500 mg/m(2)). An additional 13 patients were treated with paclitaxel (100 mg/m(2)) first, followed by i.v. EMP at 1000 mg/m(2) (cohort 4), and 1500 mg/m(2) (cohort 5). No dose-limiting toxicities were seen, and cohort 5 was determined safe for Phase II studies. Thromboembolic events were observed in 9% of patients (no prophylactic coumadin was used). Plasma concentrations of EMP and metabolites increased proportionally with dose. In all cohorts, there was a slight decrease in EMP and estramustine plasma concentrations between cycles 1 and 2. Although not significant, higher levels of estromustine at cycle 2 were observed in comparison to cycle 1. Decreased clearance of paclitaxel leading to higher than expected paclitaxel plasma concentrations was observed during the first cycle of therapy. Paclitaxel plasma concentrations were lower during cycle 2. In 17 patients with androgen-independent disease, 59% had >/=50% posttherapy decline in PSA and 22% showed measurable disease regression. CONCLUSIONS The regimen of weekly i.v. EMP in combination with paclitaxel and carboplatin can be safely administered with hepatic toxicity being transient and reversible. Pharmacokinetic results suggest that EMP competitively inhibits the biotransformation of paclitaxel after the first administration. This effect is counterbalanced, after repeated administrations, by a possible induction of the metabolic system caused by EMP. Phase II testing is ongoing to evaluate the efficacy of this combination.
Effectiveness, safety and costs of thromboembolic prevention in patients with non-valvular atrial fibrillation: phase I ESC-FA protocol study and baseline characteristics of a cohort from a primary care electronic database

Purpose Atrial fibrillation is the most common arrhythmia. Its management aims to reduce symptoms and to prevent complications through rate and rhythm control, management of concomitant cardiac diseases and prevention of related complications, mainly stroke. The main objective of Effectiveness, Safety and Costs in Atrial Fibrillation (ESC-FA) study is to analyse the drugs used for the management of the disease in real-use conditions, particularly the antithrombotic agents for stroke prevention. The aim of this work is to present the study protocol of phase I of the ESC-FA study and the baseline characteristics of newly diagnosed patients with atrial fibrillation in Catalonia, Spain. Participants The data source is System for the Improvement of Research in Primary Care (SIDIAP) database. The population included are all patients with non-valvular atrial fibrillation diagnosis registered in the electronic health records during 2007–2012. Findings to date A total of 22 585 patients with non-valvular atrial fibrillation were included in the baseline description. Their mean age was 72.8 years and 51.6% were men. The most commonly prescribed antithrombotics were vitamin K antagonists (40.1% of patients) and platelet aggregation inhibitors (32.9%); 25.3% had not been prescribed antithrombotic treatment. Age, gender, comorbidities and co-medication at baseline were similar to those reported for previous studies. Future plans The next phase in the ESC-FA study will involve assessing the effectiveness and safety of antithrombotic treatments, analysing stroke events and bleeding episodes’ rates in our patients (rest of phase I), describing the current management of the disease and its costs in our setting, and assessing how the introduction of new oral anticoagulants changes the stroke prevention in non-valvular atrial fibrillation.
A generational comparison of problem gambling and gambling attitudes among older adult gambling venue patrons

ABSTRACT Gambling is a popular leisure activity for older adults (55+), and existing research suggests that overall older adults are less prone to problem gambling compared to younger cohorts. People born after World War II are now beginning to reach retirement age. The purpose of this article was to explore age-related cohort differences between people born from 1943 to 1960 compared to those born from 1925 to 1942 in their attitudes and behaviours related to gambling. This study employs a large sample (2103) of older adults collected at gambling locations across Southern Ontario, Canada in 2013. Comparisons were made using Pearson’s chi-squared tests for categorical variables and independent samples t-tests for continuous variables with logarithmic transformations for highly-skewed variables. Those of the 1943 to 1960 cohort showed significantly higher problem gambling scores and per visit spending, but lower numbers of visits per year. There was no discernible pattern between cohorts in terms of attitudes toward gambling. Assumptions of lower risk of problem gambling among older adults will have to be re-evaluated as the post-war generation becomes an ever greater proportion of older adults.
Atmospheric neutrino oscillations with IceCube

The IceCube Neutrino Observatory is a cubic-kilometer Cherenkov neutrino detector located in the glacial ice at the geographic South Pole. DeepCore, a denser sub-array within the detector, has a neutrino detection energy threshold of less than 10 GeV. In recent years, IceCube opened a new window for measurements of the atmospheric mixing parameters in ice and became one of the leading instruments measuring atmospheric neutrino oscillations. Furthermore, its data serve as a probe of new physics beyond the standard three-neutrino paradigm and limit the allowed mixing between active and potential sterile neutrino species. This contribution discusses IceCube’s most recent measurements of νμ disappearance and ντ appearance, searches for sterile neutrino mixing, as well as future in-ice measurements of fundamental neutrino properties.
Human Intent Representation in Knowledge Intensive Product Model

Success in engineering activities mostly depends on success in transfer of human intent into product. Recently, product development applies product model as medium to describe product information in product data base. While modeling gives a great chance for the description of engineer’s intent, current information based product models are not capable of this description. Human intent remains in the mind of engineers and its description in interrelated data of engineering objects is still at a shallow level. Because the main barrier is information based nature of current product models, the authors propose a method to extend this product model to the background of modeled object information to include human intent. Called as information content based modeling, this new product modeling method is developed starting from modeled intent of engineers and other influencing people. Definition of information in the product model is controlled by human intent and other information content entities that are also defined by using of model of human intent. This paper concentrates on definition of human control on product model information, modeling of human intent, human intent based definition of information content and some implementation issues.
Quantitative Assessment of Fetal Well-Being Through CTG Recordings: A New Parameter Based on Phase-Rectified Signal Average

Since the 1980s, cardiotocography (CTG) has been the most diffused technique to monitor fetal well-being during pregnancy. CTG consists of the simultaneous recording of fetal heart rate (FHR) signal and uterine contractions and its interpretation is usually performed through visual inspection by trained obstetric personnel. To reduce inter- and intraobserver variabilities and to improve the efficacy of prenatal diagnosis, new quantitative parameters, extracted from the CTG digitized signals, have been proposed as additional tools in the clinical diagnosis process. In this paper, a new parameter computed on FHR time series and based on the phase-rectified signal average curve (PRSA) is introduced. It is defined as acceleration phase-rectified slope (APRS) or deceleration phase-rectified slope (DPRS) depending on the slope sign of the PRSA curve. The new PRSA parameter was applied to FHR time series of 61 healthy and 61 intrauterine growth restricted (IUGR) fetuses during CTG nonstress tests. Performance of APRS and DPRS was compared with 1) the results provided by other parameters extracted from the PRSA curve itself but already existing in the literature, and 2) other clinical indices provided by computerized cardiotocographic systems. APRS and DPRS indices performed better than any other parameter in this study in the distinction between healthy and IUGR fetuses. Our results suggest this new index might reliably contribute to the quality of early fetal diagnosis.
Linear-Time Dependency Analysis for Japanese

We present a novel algorithm for Japanese dependency analysis. The algorithm allows us to analyze dependency structures of a sentence in linear-time while keeping a state-of-the-art accuracy. In this paper, we show a formal description of the algorithm and discuss it theoretically with respect to time complexity. In addition, we evaluate its efficiency and performance empirically against the Kyoto University Corpus. The proposed algorithm with improved models for dependency yields the best accuracy in the previously published results on the Kyoto University Corpus.
Dropout of first year undergraduate students: A case study of engineering students

Abstract The phenomenon of drop out studies appears in the current Romanian context as an acute problem of the national education system. In the present research we will try to identify how factors such as the average obtained in the baccalaureate exam, the place of provenance and the number of credits obtained at the end of the first year of study influence the abandonment. Using a bivariate analysis method, we followed the correlation between the variables "number of students expelled after the first year of study" in the case of students enrolled in the first year of study and having obtained a "grade less than or equal to 7 in the baccalaureate exam" and, respectively the correlation between the variable "number of students expelled after the first year of study" and the origin from urban or rural areas. As can be seen from the data collected, an obvious need to investigate the expectation of students at high risk of drop out - as regards the teacher-student relationship - can be presumed: what are the most effective ways of transmitting knowledge and what communication is acceptable by college students.
Estimating Income Elasticity of Government Expenditures: Evidence from Oil Price Shocks

We estimate the income elasticity of government expenditures using variation in the international oil price as a plausibly exogenous source of within-country variation of countries' permanent income. Our short run elasticity estimates, between 0.25-0.50, are generally somewhat smaller than the previously obtained ones, and they, in particular, indicate that Wagner's law does not hold; long run elasticities are larger, but still smaller than unity. We also explore the correlates of the income elasticity of government spending and find no support for views that either democracy, inequality, or openness are associated with a larger elasticity. However, we find evidence consistent with "voracity" theories: cross-country differences in ethnic polarization are associated with a significantly higher oil price driven income elasticity of government spending.
On Upper-Confidence Bound Policies for Non-Stationary Bandit Problems

Multi-armed bandit problems are considered as a paradigm of the trade-off between exploring the environment to find profitable actions and exploiting what is already known. In the stationary case, the distributions of the rewards do not change in time, Upper-Confidence Bound (UCB) policies have been shown to be rate optimal. A challenging variant of the MABP is the non-stationary bandit problem where the gambler must decide which arm to play while facing the possibility of a changing environment. In this paper, we consider the situation where the distributions of rewards remain constant over epochs and change at unknown time instants. We analyze two algorithms: the discounted UCB and the sliding-window UCB. We establish for these two algorithms an upper-bound for the expected regret by upper-bounding the expectation of the number of times a suboptimal arm is played. For that purpose, we derive a Hoeffding type inequality for self normalized deviations with a random number of summands. We establish a lower-bound for the regret in presence of abrupt changes in the arms reward distributions. We show that the discounted UCB and the sliding-window UCB both match the lower-bound up to a logarithmic factor.