Miracle-dz/UniFAR-FTUs huggingface dataset:
Age- and Sex-Specific In-Hospital Mortality after Myocardial Infarction in Routine Clinical Practice

Background. Literature regarding the influence of age/sex on mortality trends for acute myocardial infarction (AMI) hospitalizations is limited to hospitals participating in voluntary AMI registries. Objective. Evaluate the impact of age and sex on in-hospital AMI mortality using a nationally representative hospital sample. Methods. Secondary data analysis using AMI hospitalizations identified from the Nationwide-Inpatient-Sample (NIS). Descriptive and Cox proportional hazards analysis explored mortality trends by age and sex from 1997–2006 while adjusting for the influence of, demographics, co-morbidity, length of hospital stay and hospital characteristics. Results. From 1997–2006, in-hospital AMI mortality rates decreased across time in all subgroups (P < .001), except for males aged <55 years. The greatest decline was observed in females aged <55 years, compared to similarly aged males, mortality outcomes were poorer in 1997-1998 (RR 1.47, 95% CI = 1.30–1.66), when compared with 2005-2006 (RR 1.03, 95% CI = 0.90–1.18), adjusted P value for trend demonstrated a statistically significant decline in the relative AMI mortality risk for females when compared with males (<0.001). Conclusion. Over the last decade, in-hospital AMI mortality rates declined for every age/sex group except males <55 years. While AMI female-male mortality disparity has narrowed, some room for improvement remains.
Fast Two-Step Exemplar-Based Image Inpainting

This paper presents a novel two-step examplar based image in painting approach. Firstly, a coarse version of the input image is acquired in a multi-resolution way through the Digital Wavelet Transform (DWT), and then based on this image, the original missing regions of the input image are in painted with the examplar-based method. In this in painted image, most of the structures and textures in the missing regions can be recovered, but some artifacts may exist in some certain areas that contain edges. To overcome this problem, the second pass of in painting is performed only in these areas. Compared with the existing examplar-based methods, a few new techniques, such as the dynamic search window and the patch structure distance test, are proposed to accelerate the best match searching process. It is shown by the experimental results that the proposed algorithm can achieve plausible results very close to those of the state-of-the-art approaches, but in a much faster way with lower computational cost.
Does the South African Stock Market Values Independent Dual Board Leadership Structure?

We examine the crucial policy question of whether the South African (SA) stock market values a dual board leadership structure (DBLS) using a sample of 169 listed firms from 2002 to 2007. We find a significant positive link between DBLS and market valuation, but only in firms with independent chairpersons, implying that the market values firms with independent DBLS more highly. Our results are robust across a number of econometric models that control for different types of market valuation proxies and endogeneity problems. Our findings offer empirical support for agency theory, which suggests that independent DBLS increases the capacity of the board to effectively advise, monitor and discipline top management, and thereby improving market valuation.
Action Recognition Using Rate-Invariant Analysis of Skeletal Shape Trajectories

We study the problem of classifying actions of human subjects using depth movies generated by Kinect or other depth sensors. Representing human body as dynamical skeletons, we study the evolution of their (skeletons') shapes as trajectories on Kendall's shape manifold. The action data is typically corrupted by large variability in execution rates within and across subjects and, thus, causing major problems in statistical analyses. To address that issue, we adopt a recently-developed framework of Su et al. [1], [2] to this problem domain. Here, the variable execution rates correspond to re-parameterizations of trajectories, and one uses a parameterization-invariant metric for aligning, comparing, averaging, and modeling trajectories. This is based on a combination of transported square-root vector fields (TSRVFs) of trajectories and the standard Euclidean norm, that allows computational efficiency. We develop a comprehensive suite of computational tools for this application domain: smoothing and denoising skeleton trajectories using median filtering, up- and down-sampling actions in time domain, simultaneous temporal-registration of multiple actions, and extracting invertible Euclidean representations of actions. Due to invertibility these Euclidean representations allow both discriminative and generative models for statistical analysis. For instance, they can be used in a SVM-based classification of original actions, as demonstrated here using MSR Action-3D, MSR Daily Activity and 3D Action Pairs datasets. Using only the skeletal information, we achieve state-of-the-art classification results on these datasets.
Mice with targeted disruption of spermidine/spermine N1-acetyltransferase gene maintain nearly normal tissue polyamine homeostasis but show signs of insulin resistance upon aging

The N1‐acetylation of spermidine or spermine by spermidine/spermine N1‐acetyltransferase (SSAT) is the ratecontrolling enzymatic step in the polyamine catabolism. We have now generated SSAT knockout (SSAT‐KO) mice, which confirmed our earlier results with SSAT deficient embryonic stem (ES) cells showing only slightly affected polyamine homeostasis, mainly manifested as an elevated molar ratio of spermidine to spermine in most tissues indicating the indispensability of SSAT for the spermidine backconversion. Contrary to SSAT deficient ES cells, polyamine pools in SSAT‐KO mice remained almost unchanged in response to N1, N11‐diethylnorspermine (DENSPM) treatment compared to a significant reduction of the polymine pools in the wild‐type animals and ES cells. Furthermore, SSATKO mice were more sensitive to the toxicity exerted by DENSPM in comparison with wild‐type mice. The latter finding indicates that inducible SSAT plays an essential role in vivo in DENSPM treatmentevoked polyamine depletion, but a controversial role in toxicity of DENSPM. Surprisingly, liver polyamine pools were depleted similarly in wild type and SSAT‐KO mice in response to carbon tetrachloride treatment. Further characterization of SSAT knockout mice revealed insulin resistance at old age which supported the role of polyamine catabolism in glucose metabolism detected earlier with our SSAT overexpressing mice displaying enhanced basal metabolic rate, high insulin sensitivity and improved glucose tolerance. Therefore SSAT knockout mice might serve as a novel mouse model for type 2 diabetes.
Predicting Attitudes Toward Lesbian and Gay Parent Families Among Portuguese Students from Helping Professions

ABSTRACT The authors' goal was to characterize predictors of attitudes toward lesbian and gay parent families (LGPF), held by students enrolled in psychology, social work, medicine, nursing, elementary, and preschool education programs in Portugal. The authors examined the predictive value of students' (n = 600) sociodemographic characteristics when assessing their attitudes toward LGPF. Participant's gender, interpersonal contact with lesbians and gay men, gender role attitudes had indirect effects on attitudes toward LGPF, through attitudes toward lesbians and gay men. Understanding characteristics associated with attitudes toward LGPF may inform decisions in terms of the education and training of helping professionals.
Cohabiting parents’ marriage plans and marriage realization

The purpose of this study is to examine how cohabiting partners’ plans to marry after the birth of their child were associated with marriage realization or continued cohabitation when their child was 1, 3, and 5 years old. Possible parents’ gender differences, couple agreement, and the longitudinal associations were examined. Using four waves of data from the Fragile Family and Child Wellbeing Study, results from logistic regressions showed that (1) the majority of cohabiting mothers and fathers had plans to marry their partner after the birth of their child; (2) in general, mothers’ plans to marry were significantly associated with couples’ marriage realization whereas fathers’ were not; (3) agreements between partners in their marriage plans were associated with marriage realization. Other relational and demographic characteristics were also considered. Research and clinical implications of the findings were discussed.
Capacity Approaching Codes for Non-Coherent Orthogonal Modulation

The paper describes a curve-fitting approach for the design of capacity approaching coded modulation for orthogonal signal sets with non-coherent detection. In particular, bit-interleaved coded modulation with iterative decoding is considered. Decoder metrics are developed that do not require knowledge of the signal-to-noise ratio, yet still offer very good performance.
The Critique of Rights in Critical Legal Studies

This piece presents a critique, developed by a faction of the group that called itself critical legal studies, of rights as they figure in legal and general political discourse. This rights critique, like critical legal studies in general, operates at the uneasy juncture of two distinct, sometimes complementary and sometimes conflicting enterprises, which I will call the left and the modernist/postmodernist projects.
Testing & Verification In Service-Oriented Architecture : A Survey

Service-Oriented Architecture (SOA) is gaining momentum as an emerging distributed system architecture for business-to-business collaborations. This momentum can be observed in both industry and academic research. SOA presents new challenges and opportunities for testing and verification leading to an upsurge in research. This paper surveys the previous work undertaken on testing and verification of service-centric systems, which in total are 177 papers, showing the strengths and weaknesses of current strategies and testing tools and identifying issues for future work. Copyright c © 2009 John Wiley & Sons, Ltd.
Intrauterine contraception in nulliparous women: a prospective survey

Background Intrauterine contraception is a first-line option for young women, yet relatively few prospective studies have been performed in nulliparous women using currently available devices, and many providers are still reluctant to provide this option. Methods Between January 2012 and June 2014, 109 nulliparous women, aged 18–30 years, who had an intrauterine device (IUD) placed at a student health clinic [88 levonorgestrel-intrauterine system (LNG-IUS) users and 21 Cu T 380A (IUD) users] were surveyed at 1, 6, 12 and 18 months after insertion. Results Overall satisfaction was high; at follow-up survey 83% of 100 women (mean use 13.4 months) were ‘happy’ or ‘very happy’ with their IUD, and there were no differences in satisfaction between the two IUD types. Some 75% of participants stated that the insertion procedure went ‘very well’, despite 78% rating insertion pain as moderate to severe, and 46% experiencing vasovagal symptoms. The 12-month continuation rate was 89%, with discontinuations for expulsion (3%), side effects (6%), lack of anticipated benefit (1%) and pregnancy (1%). Users of the Cu T 380A were more likely to have heavy menses (74% vs 2%; p<0.0001) or moderate to severe cramping (68% vs 20%; p=0.0002) compared with LNG-IUS users. There were no uterine perforations or diagnoses of pelvic inflammatory disease. The rate of failed insertions during the study period was 6.2%. Conclusions Despite significant symptoms with insertion, intrauterine contraception is safe, effective and ultimately well tolerated in nulliparous women and should be provided to this population in both university and community health settings.
Cardiac dysfunction in cirrhotic portal hypertension with or without ascites

Background Alteration of cardiovascular functions in patients with liver cirrhosis has been described and it correlates with severity of hepatic failure. But cardiac functions by conventional 2-dimensional (2-D) echocardiography has limitations. The aim of the study was to evaluate cardiac systolic and diastolic functions in liver cirrhosis patients with or without ascites by tissue Doppler imaging and conventional 2-D- echocardiography. Methods A cross sectional case control study of sixty patients. Twenty subjects grouped as healthy controls, pre-ascitic cirrhosis and cirrhosis with ascites were enrolled. Cardiac evaluation was done by both conventional Doppler and tissue Doppler echocardiography. Results Cirrhosis with portal hypertension is associated with increased heart rate, ejection fraction and mean peak systolic velocity, while mean arterial pressure is decreased. All cardiac chamber dilation occurs and is mostly seen in the left atrium. Ratio of early diastolic annular velocity to peak early diastolic annular wave velocity (E/eʹ) was the most significant marker for diastolic dysfunction. E/eʹ ratio was 7.76±0.40, 12.55±1.73 and 11.4±1.19 in healthy controls, pre ascitic cirrhosis and ascitic cirrhosis respectively (P<0.0001). Overall Type I and II Left ventricular diastolic dysfunction was present in 70% cirrhotic patient with or without ascites, while there were no cases of Type III (Severe) diastolic dysfunction. Conclusion Left ventricular diastolic dysfunction is commonly associated with advancement of hepatic dysfunction while systolic function is maintained till advanced hepatic failure. Peak early diastolic wave velocity, deceleration time and E/e’ ratio for left ventricular diastolic dysfunction are accurately assessed by pulsed tissue Doppler imaging.
More than a Retrograde Messenger: Nitric Oxide Needs Two cGMP Pathways to Induce Hippocampal Long-Term Potentiation

Although nitric oxide (NO) has been implicated as a messenger molecule in hippocampal long-term potentiation (LTP) for almost 20 years, its precise function has not been elucidated because presynaptic and/or postsynaptic actions of NO have been reported. Most of the effects of NO as a signaling molecule are mediated by the NO receptor guanylyl cyclases (NO-GCs), two heme-containing enzymes with pronounced homology in which cGMP-forming activity is stimulated on NO binding. Here we report on knock-out (KO) mice in which either one of the NO-GC receptors has been genetically deleted. By measuring NO-induced cGMP levels, similar quantities of both NO-GC receptors were determined in the hippocampus. Surprisingly, hippocampal LTP was abolished in either one of the KO strains, demonstrating that both NO-GC receptors are required in the course of LTP. Expression of LTP was restored with a cGMP analog in one of the KO strains but did not recover in the other one. Moreover, single-cell recordings of paired pulse facilitation revealed a presynaptic role of one of the NO-GC isoforms in neurotransmitter release, confirming different roles of the NO-GC receptors in LTP. Because neither one of the NO/cGMP-induced responses by itself is sufficient for LTP, two divergent, possibly presynaptically and postsynaptically localized NO-stimulated cGMP pathways are apparently required for the expression of LTP. The unexpected role of cGMP at two sites of the synaptic cleft explains many of the controversial results in former NO research in LTP and demonstrates the necessity of presynaptic and postsynaptic changes for LTP expression.
Parent–Child Relationships and Dyadic Friendship Experiences as Predictors of Behavior Problems in Early Adolescence

This study focused on support and conflict in parent–child relationships and dyadic friendships as predictors of behavior problems in early adolescence (n = 182; M age = 12.9 years, 51% female, 45% African American, 74% two-parent homes). Support and conflict in one relationship context were hypothesized to moderate the effects of experiences in the other relationship context. Adolescent-reported antisocial behavior was low when either parent–child relationships or friendships were low in conflict, and adolescent-reported depressed mood was low when either friendship conflict was low or parental support was high. Parent-reported antisocial behavior was high when high levels of conflict were reported in either parent–child or friendship relationships and adolescent-reported depressed mood was high when either parental or friendship support was low. Associations appear to be similar for boys and girls as no interactions involving gender were significant.
Moment methods in energy minimization: New bounds for Riesz minimal energy problems

We use moment techniques to construct a converging hierarchy of optimization problems to lower bound the ground state energy of interacting particle systems. We approximate (from below) the infinite-dimensional optimization problems in this hierarchy by block diagonal semidefinite programs. For this we develop the necessary harmonic analysis for spaces consisting of subsets of another space, and we develop symmetric sum-of-squares techniques. We numerically compute the second step of our hierarchy for Riesz s s -energy problems with five particles on the two-dimensional unit sphere, where the s = 1 s=1 case is the Thomson problem. This yields new numerically sharp bounds (up to high precision) and suggests that the second step of our hierarchy may be sharp throughout a phase transition and may be universally sharp for five particles on the unit sphere. This is the first time a four-point bound has been computed for a problem in discrete geometry.
Pengaruh Perceived Desirability,Perceived Feasibility, Propensity To Act Terhadap Intensi Berwirausaha

ABSTRACT Students are the most promosing sources of entrepreneurship, and universities are a good place to develop ideas and creativities that can create new young and enlighted entrepreneurs. The objectice of this researh is to analize the influence of Perceived Desirabily, Perceived Feasibility and Propensity to act toward Entrepreneurial Intention. Sample consisted of 7 2 students of economics and business faculty of University of 17 Agustus 1945 (UNTAG) Semarang . Data were analyzed with A Multiple Linier Regression . The result showed that Perceived Desirabily, Perceived Feasibility and Propensity to act positively and significance influenced on Entrepreneurial Intention. Theory of Entrepreneurial Events supported positive contribution towards entrepreneurial research. Developing model with some other suppoting factors are needed to give higher contribution towards entrepreneurial intention . Key words : Perceived Desirability, Perceived Feasility, Propensity to Act, Entrepreneurial Intention ABSTRAK Mahasiswa adalah sumberdaya yang paling diharapkan untuk dapat menjadi wirausahawan, dan perguruan tinggi adalah tempat yang bagus untuk mengembangkan ide dan kreatifitas sehingga diharapkan dapat menghasilkan lulusannya menjadi wirausahawan baru yang tercerahkan Tujuan penelitian ini adalah untuk menganalisa pengaruh P erceived Desirability, Perceived Feasibility dan Propensity to Act terhadap Intensi berwirausaha. Sampel penelitian terdiri dari 78 mahasiswa Fakultas Ekonomi Untag Semarang yang telah mengikuti Kuliah dan praktek Kewirausahaan. Metode pengambilan sampel dengan menggunakan sampling acak sederhana. Analisa data menggunakan Regresi Linier berganda dengan alat bantu SPSS 16. Hasil penelitian memperlihatkan bahwa Perceived Desrirability, Perceived Feasibility dan Propensity to act berpengaruh positif dan signifikan terhadap Intensi Berwirausaha. Theory of Entrepreneurial Events memberikan kontribusi yang positif dalam penelitian kewirausahaan, sehingga diperlukan pengembangan model penelitian dengan mempertimbangkan faktor-faktor lain yang juga berperan dalam mendorong minat berwirausaha. Kata Kunci : Intensi Berwirausaha, Perceived Desirability, Perceived Feasibility, Propensity to Act
A N EW ALGORITHM FOR CONSTRUCTION OF A P2P M ULTICAST HYBRID OVERLAY TREE BASED ON TOPOLOGICAL DISTANCES

In the last decade Peer to Peer technology has been thoroughly explored, because it overcomes many limitations compared to the traditional client server paradigm. Despite its advantages over a traditional approach, the ubiquitous availability of high speed, high bandwidth and low latency networks has supported the traditional client-server paradigm. Recently, however, the surge of streaming services has spawned renewed interest in Peer to Peer technologies. In addition, services like geolocation databases and browser technologies like Web-RTC make a hybrid approach attractive. In this paper we present algorithms for the construction and the maintenance of a hybrid P2P overlay multicast tree based on topological distances. The essential idea of these algorithms is to build a multicast tree by choosing neighbours close to each other. The topological distances can be easily obtained by the browser using the geolocation API. Thus the implementation of algorithms can be done web-based in a distributed manner. We present proofs of our algorithms as well as practical results and evaluations.
Gradient Flow in Recurrent Nets: the Difficulty of Learning Long-Term Dependencies

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Secure biometric system for accessing home appliances via Internet

Alongside multitude of innovations and consequential changes in lifestyle, the ability to access home appliances or security cameras over the Internet has been in demand for some years now. In this paper, we propose an efficient, low-cost and user-friendly method to access networked home appliances over the Internet, providing strong, well integrated, three levels of security to the whole application and user data. We present a scheme in which, iris image is used for user authentication and after performing its hashing (using BioHashing), it is sent to the server through a secure communication channel utilizing Secure Socket Layer (SSL). The deterministic feature sequence from the iris image is extracted using 1D log-Gabor filters. Mersenne twister random number generator algorithm is used to produce an array of pseudo-random numbers which is later orthonormalised employing GramSchmidt orthonormalization algorithm for performing BioHashing. In addition to this protected interaction mechanism, we use a single Authentication Server in order to enable access to the home appliances of a complete housing society via Internet, which reduces user responsibility and improves accessibility of this endeavor without compromising on system security. We demonstrate the perfect recognition efficiency of this system with equal error rate (EER) of 0% on CASIA 1 iris image dataset.