LLukas22/scidocs huggingface dataset:
A Compact Dual-Band Bow-Tie Slot Antenna for 900-MHz and 2400-MHz ISM Bands

In this letter, the overall size of a dual-band bow-tie slot antenna is reduced by modifying the design of the radiating slot and by extending the feeding coplanar transmission line. In particular, it is shown that by sweeping and rounding the edges of the radiating slots and by extending and terminating the feeding coplanar transmission line with a short circuit, the overall size of the antenna layout can be reduced by 47%. A dual-band prototype antenna is manufactured, and measured results are shown to compare very well with simulated values from two different commercial software packages. This letter presents two new techniques that are beneficial for reducing the overall size of a bow-tie slot antenna .
Optimal design of PM assisted synchronous reluctance generators using lumped parameter model and Differential Evolution Strategy

This paper presents the design of high performance permanent magnet-assisted synchronous reluctance generators (PMa-SynRG) for the 3kW tactical quiet generator set. By introducing a proper quantity of permanent magnets into the synchronous reluctance generator rotor core an extended constant power-speed range at high efficiency and high power factor can be achieved. Different stator winding configurations i.e. distributed winding and concentrated winding of PMa-SynRG are compared using an analytical model based on lumped parameter model (LPM). For comparison, initially the distributed winding machine is optimized using differential evolution strategy (DES) and then the rotor structure of concentrated winding machine is optimized using the same stator. Finally, output performances are compared using finite element analysis. This design process is developed for optimized design of PMa-SynRG with minimum magnet volume, cogging torque and maximum efficiency and power factor.
An integrated approach to lower blepharoplasty.

BACKGROUND
Limitations associated with traditional skin-muscle flaps and later with transconjunctival fat resection combined with carbon dioxide laser resurfacing have led to newer concepts in lower blepharoplasty that emphasize fat preservation, blending of the lid-cheek junction, simplified skin excision, and less morbid resurfacing techniques. Avoiding incision through the orbicularis muscle to preserve its innervation and reduce translamellar scarring is favored, as is a more liberal use of lateral canthal tightening procedures. This study investigates the use of a transconjunctival approach to resect and transpose fat combined with a skin flap technique that permits skin excision and simultaneous resurfacing with 30% trichloroacetic acid. The orbicularis is not violated and lateral canthal support is used as necessary.


METHODS
Lower blepharoplasty performed in 248 patients over a 4-year period was studied. The technique consisted of component procedures that varied based on individual anatomy.


RESULTS
Fat excision was performed in 91 percent, fat transposition was performed in 61 percent, skin excision was performed in 63 percent, trichloroacetic acid peels were performed in 62 percent, temporary tarsorrhaphy was performed in 31 percent, and lateral canthopexy was performed in 18 percent of patients. Average follow-up was 5.5 months. There were three complications and six revisions.


CONCLUSIONS
Lower blepharoplasty that integrates component techniques tailored to individual anatomical problems and spares the orbicularis muscle is effective and associated with few complications and revisions. Fat transposition achieves effacement of the tear trough deformity. A skin flap approach effectively treats rhytides and is safe for simultaneous resurfacing with a mild peeling agent. Selective use of lateral canthal support improves lower eyelid tone and prevents malposition problems.
ENDOCRINE TREATMENT OF GENDER-DYSPHORIC/GENDER-INCONGRUENT PERSONS: AN ENDOCRINE SOCIETY CLINICAL PRACTICE GUIDELINE.

Wylie C. Hembree, Peggy T. Cohen-Kettenis, Louis Gooren, Sabine E. Hannema, Walter J. Meyer, M. Hassan Murad, Stephen M. Rosenthal, Joshua D. Safer, Vin Tangpricha, and Guy G. T’Sjoen New York Presbyterian Hospital, Columbia University Medical Center, New York, New York 10032 (Retired); VU University Medical Center, 1007 MB Amsterdam, Netherlands (Retired); VU University Medical Center, 1007 MB Amsterdam, Netherlands (Retired); Leiden University Medical Center, 2300 RC Leiden, Netherlands; University of Texas Medical Branch, Galveston, Texas 77555; Mayo Clinic EvidenceBased Practice Center, Rochester, Minnesota 55905; University of California San Francisco, Benioff Children’s Hospital, San Francisco, California 94143; Boston University School of Medicine, Boston, Massachusetts 02118; Emory University School of Medicine and the Atlanta VA Medical Center, Atlanta, Georgia 30322; and Ghent University Hospital, 9000 Ghent, Belgium
Nonexistence results for spherical 7-designs

We obtain new nonexistence results for spherical 7-designs of odd cardinality. Our approach continues similar investigations for smaller strengths. We combine polynomial techniques with some geometric argument to obtain restrictions of the structure of 7-designs with fixed cardinality.
A Real-Time Linux

The paper describes the design, implementation, experimental results, and possible applications of a real-time version of the Linux operating system. We have used the idea of virtual machines for running a standard time-sharing OS and a real-time executive on the same computer. Services provided by the real-time kernel are described. The comparison of our solution with other work on real-time UNIXes is also presented.
Synthesis of silver nanoparticles with antibacterial activity using the lichen Parmotrema praesorediosum

Development of a green chemistry process for the synthesis of silver nanoparticles has become a focus of interest. This would offer numerous benefits, including ecofriendliness and compatibility for biomedical applications. Here we report the synthesis of silver nanoparticles from the reduction of silver nitrate and an aqueous extract of the lichen Parmotrema praesorediosum as a reductant as well as a stabilizer. The physical appearance of these silver nanoparticles was characterized using ultraviolet-visible spectroscopy, electron microscopy, energy-dispersive spectroscopy, and X-ray diffraction techniques. The results show that silver nanoparticles synthesized using P. praesorediosum have an average particle size of 19 nm with a cubic structure. The antibacterial activity of the synthesized silver nanoparticles was tested against eight micro-organisms using the disk diffusion method. The results reveal that silver nanoparticles synthesized using P. praesorediosum have potential antibacterial activity against Gram-negative bacteria.
Educational Program "Navigation and Control in Space and on the Earth. Mathematical Methods and Algorithms"

Abstract Educational Master of Science program “Navigation and control in Space and on the Earth. Mathematical methods and algorithms”, developed at Moscow Lomonosov State University is presented. The program is expected to provide specialists of high qualifications for aerospace and navigation industries. The engineers developing navigation systems, personal navigation, autopilots were taken in mind. The program combines fundamental university education standards and industrial applications.
A steganography embedding method based on edge identification and XOR coding

In this paper, we present a novel image steganography algorithm that combines the strengths of edge detection and XOR coding, to conceal a secret message either in the spatial domain or an Integer Wavelet Transform (IWT) based transform domain of the cover image. Edge detection enables the identification of sharp edges in the cover image that when embedding in would cause less degradation to the image quality compared to embedding in a pre-specified set of pixels that do not differentiate between sharp and smooth areas. This is motivated by the fact that the human visual system (HVS) is less sensitive to changes in sharp contrast areas compared to uniform areas of the image. The edge detection method presented here is capable of estimating the exact edge intensities for both the cover and stego images (before and after embedding the message), which is essential when extracting the message. The XOR coding, on the other hand, is a simple, yet effective, process that helps in reducing differences between the cover and stego images. In order to embed three secret message bits, the algorithm requires four bits of the cover image, but due to the coding mechanism, no more than two of the four bits will be changed when producing the stego image. The proposed method utilizes the sharpest regions of the image first and then gradually moves to the less sharp regions. Experimental results demonstrate that the proposed method has achieved better imperceptibility results than other popular steganography methods. Furthermore, when applying a textural feature steganalytic algorithm to differentiate between cover and stego images produced using various embedding rates, the proposed method maintained a good level of security compared to other steganography methods. © 2015 Elsevier Ltd. All rights reserved.
Implications of the failure to identify high-risk electrocardiogram findings for the quality of care of patients with acute myocardial infarction: results of the Emergency Department Quality in Myocardial Infarction (EDQMI) study.

BACKGROUND
The impact of misinterpretation of the ECG in patients with acute myocardial infarction (AMI) in the emergency department (ED) setting is not well known. Our goal was to assess the prevalence of the failure to identify high-risk ECG findings in ED patients with AMI and to determine whether this failure is associated with lower-quality care.


METHODS AND RESULTS
In a retrospective cohort study of consecutive patients presenting to 5 EDs in California and Colorado from July 1, 2000, through June 30, 2002, with confirmed AMI (n=1684), we determined the frequency of the failure by the treating provider to identify significant ST-segment depressions, ST-segment elevations, or T-wave inversions on the presenting ECG. In multivariable models, we assessed the relationship between missed high-risk ECG findings and evidence-based therapy in the ED after adjustment for patient characteristics and site of care. High-risk ECG findings were not documented in 201 patients (12%). The failure to identify high-risk findings was independently associated with a higher odds of not receiving treatment among ideal candidates for aspirin (odds ratio [OR], 2.13; 95% confidence interval [CI], 1.51 to 2.94), beta-blockers (OR, 1.85; 95% CI, 1.14 to 3.03), and reperfusion therapy (OR, 7.69; 95% CI, 3.57 to 16.67). Among patients with missed high-risk ECG findings, in-hospital mortality was 7.9% compared with 4.9% among those without missed findings (P=0.1).


CONCLUSIONS
The failure to identify high-risk ECG findings in patients with AMI results in lower-quality care in the ED. Systematic processes to improve ECG interpretation may have important implications for patient treatment and outcomes.
Brand orientation and market orientation - from alternatives to synergy

a r t i c l e i n f o This paper explores the interaction between brand orientation and market orientation. Brand orientation is an inside-out, identity-driven approach that sees brands as a hub for an organization and its strategy. Similarly, market orientation is an outside-in, image-driven approach. Initially, brand orientation and market orientation appear to be two different strategic options. Though synergistic combinations are also possible, they are not explored in previous theories, nor labeled as part of branding practice and philosophy. A new type of orientation, a hybrid between brand and marketing orientation, is among the key findings of this study. The paper articulates typical trajectories for evolving the orientation and aspires to move the discussion from the tug-of-war between the two paradigms by developing a more dynamic view. The study paves the way for better understanding, operationalization and evaluation of alternative approaches to marketing.
Discovering communities in complex networks

We propose an efficient and novel approach for discovering communities in real-world random networks. Communities are formed by subsets of nodes in a graph, which are closely related. Extraction of these communities facilitates better understanding of such networks. Community related research has focused on two main problems, community discovery and community identification. Community discovery is the problem of extracting all the communities in a given network whereas community identification is the problem of identifying the community to which a given set of nodes from the network belong. In this paper we first perform a brief survey of the existing community-discovery algorithms and then propose a novel approach to discovering communities using bibliographic metrics. We also test the proposed algorithm on real-world networks and on computer-generated models with known community structures.
A Two-Dimensional Superscalar Processor Architecture

This paper proposes a new processor architecture optimized for execution of sequential instruction streams. Thearchitecture, called Grid Alu Processor (GAP), comprises an in-order superscalar pipeline front-end enhanced by aconfiguration unit able to dynamically issue dependent andindependent standard machine instructions simultaneously to the Arithmetic Logic Uunits (ALUs) organized in atwo-dimensional array. In contrast to well-known coarse-grained reconfigurable architectures no special synthesis tools are required and no configuration overhead occurs. Simulations of the GAP show a maximum Instructions Per Cycle (IPC) speedup of about 2.56 compared to the results of an equivalently configured SimpleScalar processor simulator.
A Problem of Dimensionality: A Simple Example

In pattern recognition problems it has been noted that beyond a certain point the inclusion of additional parameters (that have been estimated) leads to higher probabilities of error. A simple problem has been formulated where the probability of error approaches zero as the dimensionality increases and all the parameters are known; on the other hand, the probability of error approaches one-half as the dimensionality increases and parameters are estimated.
A neural network based approach to adaptive fault tolerant flight control

This work presents a neural network based approach to fault tolerant control of nonlinear flight control systems. The proposed scheme consists of three main components. First, a fault diagnosis scheme is designed to detect and identify automatically the occurrence of any faults. Second, a controller suite comprises a nominal controller and a neural network based adaptive fault tolerant controller designed to compensate for the effects of faults. Third, a reconfiguration supervisor makes decisions regarding controller reconfiguration. A simulation study using a nonlinear "Beaver" flight simulator illustrates the effectiveness of the proposed scheme and shows that flight safety is significantly improved by using the controller reconfiguration.
Erratum to: Odanacatib for the treatment of postmenopausal osteoporosis: development history and design and participant characteristics of LOFT, the Long-Term Odanacatib Fracture Trial

Summary Odanacatib is a cathepsin K inhibitor investigated for the treatment of postmenopausal osteoporosis. Phase 2 data indicate that 50 mg once weekly inhibits bone resorption and increases bone mineral density, with only a transient decrease in bone formation. We describe the background, design and participant characteristics for the phase 3 registration trial. Introduction Odanacatib (ODN) is a selective cathepsin K inhibitor being evaluated for the treatment of osteoporosis. In a phase 2 trial, ODN 50 mg once weekly reduced bone resorption while preserving bone formation and progressively increased BMD over 5 years. We describe the phase III LongTerm ODN Fracture Trial (LOFT), an event-driven, randomized, blinded placebo-controlled trial, with preplanned interim analyses to permit early termination if significant fracture risk reduction was demonstrated. An extension was planned, with participants remaining on their randomized treatment for up to 5 years, then transitioning to open-label ODN. Methods The three primary outcomes were radiologically determined vertebral, hip, and clinical non-vertebral fractures. Secondary end points included clinical vertebral fractures, BMD, bone turnover markers, and safety and tolerability, including bone histology. Participants were women, 65 years or older, with a BMD T-score ≤−2.5 at the total hip (TH) or femoral neck (FN) or with a prior radiographic vertebral fracture and a T-score ≤−1.5 at the TH or FN. They were This study was registered with clinicaltrials.gov with registration number NCT00529373. Electronic supplementary material The online version of this article (doi:10.1007/s00198-014-2944-6) contains supplementary material, which is available to authorized users. H. G. Bone (*) Michigan Bone & Mineral Clinic, Detroit, MI, USA e-mail: hgbone.md@att.net D. W. Dempster Columbia University, New York, NY, USA J. A. Eisman Garvan Institute of Medical Research, University of Notre Dame Australia, St Vincent’s Hospital and UNSWAustralia, Sydney, Australia S. L. Greenspan University of Pittsburgh, Pittsburgh, PA, USA M. R. McClung Oregon Osteoporosis Center, Portland, OR, USA T. Nakamura University of Occupational and Environmental Health, Kitakyushu, Japan S. Papapoulos Leiden University Medical Center, Leiden, Netherlands W. J. Shih Robert Wood Johnson Medical School, Piscataway, NJ, USA A. Rybak-Feiglin :A. C. Santora :N. Verbruggen :A. T. Leung : A. Lombardi Merck Sharp and Dohme Corp., Whitehouse Station, NJ, USA H. G. Bone The Osteoporosis Center at St. Luke’s Hospital, Chesterfield, MO, USA Osteoporos Int (2015) 26:699–712 DOI 10.1007/s00198-014-2944-6
Health-related quality of life and anemia in hospitalized patients with heart failure.

BACKGROUND
Anemia is a serious and highly prevalent co-morbidity in chronic heart failure (HF) patients. Its influence on health-related quality of life (HR-QoL) has rarely been studied, and no data is available regarding the role it plays in hospitalized HF patients.


METHODS
Baseline data from the COACH study (Coordinating study evaluating Outcomes of Advising and Counselling in Heart Failure) were used. HR-QoL was assessed by means of generic and disease-specific questionnaires. Analyses were performed using ANOVA and ANCOVA, with covariates of age, gender, eGFR, diabetes, and NYHA class.


RESULTS
In total, 1013 hospitalized patients with a mean age of 71 (SD 11) years were included; 70% of these patients had no anemia (n=712), 14% had mild anemia (n=141), and 16% had moderate-to-severe anemia (n=160). Independent associations were found between anemia and physical functioning (p=0.019), anemia and role limitations due to physical functioning (p=0.002), anemia and general health (p=0.024), and anemia and global well-being (p=0.003).


CONCLUSION
In addition to the burden of HF itself, anemia is an important factor which influences HR-QoL in hospitalized HF patients, and one that is most pronounced in the domain related to physical functioning and general health.
Satisfaction with life, self-esteem and evaluation of mental health in people with tattoos or piercings.

OBJECTIVES
The aim of the study was to determine the level of life satisfaction and the various dimensions of self-esteem of pierced or tattooed people, and evaluate their mental health, compared to those without similar body modifications.


METHODS
The study was conducted on a sample of 449 people aged 16-58 years (mean age 26.7 ± 6.35), of whom 308 had body modifications: tattoo (n = 90), body piercings in places other than the ear lobe (n = 53), or both tattoos and piercings (n = 165). The control group consisted of 141 people without such modifications. The participants completed a questionnaire concerning their socio-demographic status, as well as the following psychological tests: The Satisfaction with Life Scale (SWLS), Multidimensional Self-Esteem Inventory (MSEI) and General Health Questionnaire (GHQ-28).


RESULTS
Our findings show no significant differences in terms of life satisfaction between the group with tattoos or piercings and the control group. People with body modifications were characterized by higher self-esteem, with regard to their competence and leadership abilities. They also display fewer symptoms of social impairment and sleep disorders than the control group.


CONCLUSIONS
Tattoos and piercings should not be considered as indicators of psychopathology.
Development and the Interaction of Enforcement Institutions *

How do markets and institutions interact? How does development influence this interaction? In this paper we examine how formal and informal contract enforcing institutions interact in a competitive market where consumers do not observe quality before purchase. Firm level incentives for high quality can be achieved with an informal enforcement mechanism, reputation, the efficacy of which is enhanced by consumers investing in “connectedness,” or with a formal mechanism, legal enforcement, the effectiveness of which can be reduced by means of bribes. We provide a theory of the joint determination of the market prices and the formal-informal institutional mix which together guarantee high quality. We use our theory to predict how market prices and institutions evolve with development. Higher levels of development (proxied by the lower frequency of bad productivity shocks) are associated with a lower efficacy of informal enforcement, and – up to a certain threshold – better performance of formal institutions as well as lower incentive compatible market prices, and higher consumer welfare. In addition, the theory predicts that any market characteristic that causes prices to be lower is associated with better performing judicial institutions. JEL: D02, D7, L14, O12.