Miracle-dz/UniFAR-FTUs huggingface dataset:
Magnet Hospital Nurses Describe Control Over Nursing Practice

Staff nurses describe control over nursing practice (C/NP) as a professional nursing function made up of a variety of activities and outcomes. Greater acclaim, status, and prestige for nursing in the organization are viewed as a result, not a precursor, of C/NP. Interviews with 279 staff nurses working in 14 magnet hospitals indicated that effective C/NP requires some kind of empowered, formal organizational structure, extends beyond clinical decision making at the patient care interface, and is the same as or highly similar to what the literature describes as professional autonomy. From constant comparative analysis of nurses' descriptions of C/NP activities, five ranked categories of this real-life event emerged. The basis for the categories and ranking was “who owned the problem, issue, and solution” and the “degree of effectiveness of control” as reflected in visibility, viability, and recognition of a formal structure allowing and encouraging nurses' control over practice. Hospital mergers and structural reorganization were reported to negatively affect the structure needed for effective C/NP. Almost 60% of these magnet hospital staff nurses stated and/or described little or no C/NP.
Quilting Stochastic Kronecker Product Graphs to Generate Multiplicative Attribute Graphs

We describe the first sub-quadratic sampling algorithm for the Multiplicative Attribute Graph Model (MAGM) of Kim and Leskovec (2010). We exploit the close connection between MAGM and the Kronecker Product Graph Model (KPGM) of Leskovec et al. (2010), and show that to sample a graph from a MAGM it suffices to sample small number of KPGM graphs and \emph{quilt} them together. Under a restricted set of technical conditions our algorithm runs in $O((\log_2(n))^3 |E|)$ time, where $n$ is the number of nodes and $|E|$ is the number of edges in the sampled graph. We demonstrate the scalability of our algorithm via extensive empirical evaluation; we can sample a MAGM graph with 8 million nodes and 20 billion edges in under 6 hours.
Effects of rubber-rich domains and the rubber-plasticized matrix on the fracture behavior of liquid rubber-modified araldite-F epoxies

The fracture behavior of a bisphenol A diglycidylether (DGEBA) epoxy, Araldite F, modified using carboxyl-terminated copolymer of butadiene and acrylonitrile (CTBN) rubber up to 30 wt%, is studied at various crosshead rates. Fracture toughness, K IC , measured using compact tension (CT) specimens, is significantly improved by adding rubber to the pure epoxy. Dynamic mechanical analysis (DMA) was applied to analyze dissolution behavior of the epoxy resin and rubber, and their effects on the fracture toughness and toughening mechanisms of the modified epoxies were investigated. Scanning electron microscopy (SEM) observation and DMA results show that epoxy resides in rubber-rich domains and the structure of the rubber-rich domains changes with variation of the rubber content. Existence of an optimum rubber content for toughening the epoxy resin is ascribed to coherent contributions from the epoxy-residing dispersed rubber phase and the rubber-dissolved epoxy continuous phase. No rubber cavitation in the fracture process is found, the absence of which is explained as a result of dissolution of the epoxy resin into the rubber phase domains, which has a negative effect on the improvement of fracture toughness of the materials. Plastic deformation banding at the front of precrack tip, formed as a result of stable crack propagation, is identified as the major toughening process.
High resolution density gradient electrophoresis of cellular organelles

A density gradient electrophoresis apparatus made of Perspex was constructed, with a separation column (7 × 2.2 cm) containing a 0–5% linear Ficoll gradient. The useful separation path is 6 cm. A specially designed gradient mixer is described which fits over the application cone. This cone permits precise gradient and sample introduction as well as undisturbed fractionation after electrophoresis. A bottom circular palladium cathode is separated hydrodynamically but not electrically from the density gradient by a cellophane membrane, merely secured by an O‐ring. The top circular platium anode allows for upward electrophoresis (80–100 min at 10 mA). The markedly higher resolution of subcellular organelles was compared with separations obtained earlier with a small, but much more difficult to fabricate, prototype. Moreover, ease of manipulation was greatly improved. A wide separation distance was obtained between plasma membrane, endoplasmatic reticulum as well as between two populations of lysosomes. Even early, middle, and late endosomes could be separated with high resolution. Soluble isoenzymes could be separated as well and were far away from the vesicle‐enclosed enzymes.
Parent views of the positive contributions of elementary and high school-aged children with autism spectrum disorders and Down syndrome.

BACKGROUND Much is known about the hardships associated with parenting a child with a disability, but few studies have examined the broader contributions of the child to family life or society. METHODS The study involved qualitative analysis of interviews with 16 families of children with autism spectrum disorder or Down syndrome at critical transition periods (entry to elementary or high school), targeting their perceptions of benefits. RESULTS Parents discussed a wide range of benefits beyond the personal level, including parental, family and societal benefits. Exploratory group comparisons indicated that parents of high school-aged children were more likely to mention family-level and societal benefits. CONCLUSIONS The findings suggest that raising a child with a disability can trigger role-related decisions that lead to a series of resiliency-related processes and cascading benefits. The findings inform practitioners about the nature of potential positive experiences that can be shared with families starting out on their journey, allowing parents to recognize the positive dimensions of raising a child with a disability in addition to the hardships.
Tooth Lengths of the Permanent Upper Incisors in Patients with Cleft Lip and Palate Determined with Cone Beam Computed Tomography

Objective To measure the tooth lengths of fully developed permanent upper incisors and to qualitatively evaluate the root shapes of the incisors in patients with cleft lip and palate (CLP). Design Cross-sectional, noninterventional, case-control imaging study. Setting Hospital and Stomatology Unit of Peking University, Beijing, China (institutional tertiary care). Participants Sixty consecutive nonsyndromic CLP patients (including 40 unilateral [UCLP] and 20 bilateral [BCLP]), and 53 age- and sex-matched controls were selected for this study. Main Outcome Measure Crown heights and root lengths of permanent upper incisors were measured from cone beam computed tomography scans, and the root shapes of upper incisors were evaluated. Results Compared with controls, the crown heights of upper incisors in CLP patients were reduced by 9.7% to 22.5% (p < .05), and the root lengths were reduced by 15.8% to 31.7% (p < .05). BCLP patients had greater reductions than the UCLP cases (p < .05). There were no significant differences between incisors and their antimeres in controls and BCLP patients. However, measurements on the cleft side in UCLP patients were lower than those of the noncleft side (p < .05). The prevalence of atypical root shape was higher in CLP than in the control group (p = .002); of these, 83.3% (30/36) occurred in central incisors near the cleft. Conclusion The permanent upper incisors in nonsyndromic CLP patients are underdeveloped. Incisor developmental deficiency was greater in teeth adjacent to the cleft.
Journal of Software Maintenance and Evolution: Research and Practice How Software Process Automation Affects Software Evolution: a Longitudinal Empirical Analysis

SUMMARY This research analyzes longitudinal empirical data on commercial software applications to test and better understand how software evolves over time, and to measure the likely long-term effects of a software process automation tool on software productivity and quality. The research consists of two parts. First, we use data from source control systems, defect tracking systems, and archived project documentation to test a series of hypotheses developed by Belady and Lehman about software evolution. We find empirical support for many of these hypotheses, but not all. We then further analyze the data using moderated regression analysis to discern how software process automation efforts at the research site influenced the software evolution lifecycles of the applications. Our results support the claim that automation has enabled the organization to accomplish more work activities with greater productivity, thereby significantly increasing the functionality of the applications portfolio. Despite the growth in software functionality, the analysis suggests that automation has helped to manage software complexity levels and to improve quality by reducing errors over time. Our models and their results demonstrate how longitudinal empirical software data can be used to reveal the often elusive long-term benefits of investments in software process improvement, and to help managers make more informed resource-allocation decisions.
Late Pleistocene horse and camel hunting at the southern margin of the ice-free corridor: Reassessing the age of Wally’s Beach, Canada

Significance Archaeological discoveries at Wally’s Beach, Canada, provide the only direct evidence of horse and camel hunting in the Americas at the end of the last Ice Age. Here, seven horses and one camel were attacked and butchered near a river crossing by prehistoric hunters. New radiocarbon dates revise the age of these kill and butchering localities to 13,300 y ago. Other North American kill and butchering sites show that prehistoric hunters preyed on 6 of the 36 genera of large mammals, called megafauna, for at least 2,000 y before these animals became extinct, around 12,700 y ago. Accurate dating is necessary to build meaningful chronologies for the Ice Age peopling of the Americas and to understand megafauna extinctions. The only certain evidence for prehistoric human hunting of horse and camel in North America occurs at the Wally’s Beach site, Canada. Here, the butchered remains of seven horses and one camel are associated with 29 nondiagnostic lithic artifacts. Twenty-seven new radiocarbon ages on the bones of these animals revise the age of these kill and butchering localities to 13,300 calibrated y B.P. The tight chronological clustering of the eight kill localities at Wally’s Beach indicates these animals were killed over a short period. Human hunting of horse and camel in Canada, coupled with mammoth, mastodon, sloth, and gomphothere hunting documented at other sites from 14,800–12,700 calibrated y B.P., show that 6 of the 36 genera of megafauna that went extinct by approximately 12,700 calibrated y B.P. were hunted by humans. This study shows the importance of accurate geochronology, without which significant discoveries will go unrecognized and the empirical data used to build models explaining the peopling of the Americas and Pleistocene extinctions will be in error.
MD-LBPV Texture Analysis for Nailfold Capillaroscopy Image Classification

Nailfold capillaroscopy (NC) is a non-invasive imaging technique employed to assess the condition of blood capillaries in the nailfold and is particularly useful for diagnosis of scleroderma spectrum disorders and Raynaud’s phenomenon. Diagnosis is based on the identification of particular scleroderma patterns in the images which are typically grouped into early, active and late patterns. In this paper, we present a computer vision approach to recognising scleroderma patterns in NC images. Following a preprocessing step to enhance image quality, we extract texture information in a holistic way rather than trying to extract and measure individual capillaries. As texture features we employ multi-dimensional LPB variance descriptors which capture multi-resolution texture and local contrast information. Our experimental results confirm our approach to work well and to outperform an earlier approach.
Children's Early Decontextualized Talk Predicts Academic Language Proficiency in Midadolescence.

This study examines whether children's decontextualized talk-talk about nonpresent events, explanations, or pretend-at 30 months predicts seventh-grade academic language proficiency (age 12). Academic language (AL) refers to the language of school texts. AL proficiency has been identified as an important predictor of adolescent text comprehension. Yet research on precursors to AL proficiency is scarce. Child decontextualized talk is known to be a predictor of early discourse development, but its relation to later language outcomes remains unclear. Forty-two children and their caregivers participated in this study. The proportion of child talk that was decontextualized emerged as a significant predictor of seventh-grade AL proficiency, even after controlling for socioeconomic status, parent decontextualized talk, child total words, child vocabulary, and child syntactic comprehension.
Approximating a collection of frequent sets

One of the most well-studied problems in data mining is computing the collection of frequent item sets in large transactional databases. One obstacle for the applicability of frequent-set mining is that the size of the output collection can be far too large to be carefully examined and understood by the users. Even restricting the output to the border of the frequent item-set collection does not help much in alleviating the problem.In this paper we address the issue of overwhelmingly large output size by introducing and studying the following problem: What are the k sets that best approximate a collection of frequent item sets? Our measure of approximating a collection of sets by k sets is defined to be the size of the collection covered by the the k sets, i.e., the part of the collection that is included in one of the k sets. We also specify a bound on the number of extra sets that are allowed to be covered. We examine different problem variants for which we demonstrate the hardness of the corresponding problems and we provide simple polynomial-time approximation algorithms. We give empirical evidence showing that the approximation methods work well in practice.
Localization based on region descriptors in grid maps

This paper presents a novel approach towards highly precise self-localization of a vehicle on a digital map. The proposed approach utilizes a map containing region descriptors extracted from ordinary occupancy grid maps. The Maximally Stable Extremal Regions (MSER) algorithm provides robust feature extraction from grid maps in a completely unsupervised process. This allows for the automatic creation of huge maps. Since only single region descriptor points of grid maps are saved in the map database, the data volume of the produced map is kept low. The approach uses a particle filter to estimate the vehicle position on the digital map. The particle filter associates MSER features extracted from an online generated grid map with features of the digital map. An evaluation with real world sensor data, collected on a German rural road, shows that the approach locates the vehicle very precisely.
Dense image matching: Comparisons and analyses

The paper presents a critical review and analysis of dense image matching algorithms. The analyzed algorithms stay in the commercial as well open-source domains. The employed datasets include scenes pictured in terrestrial and aerial blocks, acquired with convergent and parallel-axis images and different scales. Geometric analyses are reported, comparing the dense point clouds with ground truth data.
Fluoride decreased osteoclastic bone resorption through the inhibition of NFATc1 gene expression

Over the past two decades, fluoride effects on osteoclasts have been evaluated; however, its molecular mechanisms remain unclear. In this study, we investigated the effect of fluoride on osteoclast formation, function, and regulation using osteoclasts formed from mice bone marrow macrophages treated with the receptor activator of NF‐κB ligand and macrophage colony‐stimulating factor. Our data showed that fluoride levels ≤ 8 mg/L had no effect on osteoclast formation; however, it significantly reduced osteoclast resorption at 0.5 mg/L. Fluoride activity on bone resorption occurred through the inhibition of nuclear factor of active T cells (NFAT) c1 expression. Furthermore, the expression of its downstream genes, including the dendritic cell‐specific transmembrane protein, c‐Src, the d2 isoform of vacuolar (H+) ATPase v0 domain, matrix metalloproteinase 9, and cathepsin K were decreased, leading to impaired osteoclast acidification, reduced secretion of proteolytic enzymes, and decreased bone resorption. In summary, our results suggested that fluoride has different roles in osteoclast formation and function. Fluoride ≤ 8 mg/L did not impact osteoclast formation; however, it significantly decreased the resorption activity of newly formed osteoclasts. The molecular mechanism of fluoride action may involve inhibition of NFATc1 and its downstream genes. © 2012 Wiley Periodicals, Inc. Environ Toxicol 29: 588–595, 2014.
Molecular Genotyping of Giardia duodenalis Isolates from Symptomatic Individuals Attending Two Major Public Hospitals in Madrid, Spain

Background The flagellate protozoan Giardia duodenalis is an enteric parasite causing human giardiasis, a major gastrointestinal disease of global distribution affecting both developing and industrialised countries. In Spain, sporadic cases of giardiasis have been regularly identified, particularly in pediatric and immigrant populations. However, there is limited information on the genetic variability of circulating G. duodenalis isolates in the country. Methods In this longitudinal molecular epidemiological study we report the diversity and frequency of the G. duodenalis assemblages and sub-assemblages identified in 199 stool samples collected from 184 individual with symptoms compatible with giardiasis presenting to two major public hospitals in Madrid for the period December 2013–January 2015. G. duodenalis cysts were initially detected by conventional microscopy and/or immunochomatography on stool samples. Confirmation of the infection was performed by direct immunofluorescence and real-time PCR methods. G. duodenalis assemblages and sub-assemblages were determined by multi-locus genotyping of the glutamate dehydrogenase (GDH) and β-giardin (BG) genes of the parasite. Sociodemographic and clinical features of patients infected with G. duodenalis were also analysed. Principal findings Of 188 confirmed positive samples from 178 giardiasis cases a total of 124 G. duodenalis isolates were successfully typed at the GDH and/or the BG loci, revealing the presence of sub-assemblages BIV (62.1%), AII (15.3%), BIII (4.0%), AI (0.8%), and AIII (0.8%). Additionally, 6.5% of the isolates were only characterised at the assemblage level, being all of them assigned to assemblage B. Discordant genotype results AII/AIII or BIII/BIV were also observed in 10.5% of DNA isolates. A large number of multi-locus genotypes were identified in G. duodenalis assemblage B, but not assemblage A, isolates at both the GDH and BG loci, confirming the high degree of genetic variability observed in other molecular surveys. BIV was the most prevalent genetic variant of G. duodenalis found in individuals with symptomatic giardiasis in the population under study. Conclusions Human giardiasis is an ongoing public health problem in Spain affecting primarily young children under four years of age but also individuals of all age groups. Our typing and sub-typing results demonstrate that assemblage B is the most prevalent G. duodenalis assemblage circulating in patients with clinical giardiasis in Central Spain. Our analyses also revealed a large genetic variability in assemblage B (but not assemblage A) isolates of the parasite, corroborating the information obtained in similar studies in other geographical regions. We believe that molecular data presented here provide epidemiological evidence at the population level in support of the existence of genetic exchange within assemblages of G. duodenalis.
“I Will Never Let That Be OK Again”: Student Reflections on Competent Spiritual Care for Dying Patients

Purpose To examine medical students’ reflections on the spiritual care of a patient who has died so as to understand how students experienced this significant event and how they or their teams addressed patients’ spiritual needs. Method In 2010–2011, the authors gave third-year students at Loyola University Chicago Stritch School of Medicine an essay assignment, prompting them to reflect on the experience of the death of one of their patients. The authors analyzed the content of the essays using an iterative, multistep process. Three authors independently coded the essays for themes based on the competencies (developed by Puchalski and colleagues and reflected in the essay prompt) of communication, compassionate presence, patient care, and personal and professional development. The authors reached consensus through discussion. Results A salient theme in the students’ writings was awareness of their personal and professional development. Students reported being aware that they were becoming desensitized to the human dimension of care, and particularly to dying patients and their families. Students wished to learn to contain their emotions to better serve their patients, and they articulated a commitment to addressing patient and family needs. Students identified systemic fragmentation of patient care as a barrier to meeting patient needs and as a facilitator of provider desensitization. Conclusions Written student reflections are a rich source of data regarding the spiritual care of dying patients and their families. They provide insight into the personal and professional development of medical students and suggest that medical schools should support students’ formation.
SkyHunter: a multi-surface environment for supporting oil and gas exploration

The process of oil and gas exploration and its result, the decision to drill for oil in a specific location, relies on a number of distinct but related domains. These domains require effective collaboration to come to a decision that is both cost effective and maintains the integrity of the environment. As we show in this paper, many of the existing technologies and practices that support the oil and gas exploration process overlook fundamental user issues such as collaboration, interaction and visualization. The work presented in this paper is based upon a design process that involved expert users from an oil and gas exploration firm in Calgary, Alberta, Canada. We briefly present knowledge of the domain and how it informed the design of SkyHunter, a prototype multi-surface environment to support oil and gas exploration. This paper highlights our current prototype and we conclude with a reflection on multi-surface interactions and environments in this domain.