Miracle-dz/UniFAR-FTUs huggingface dataset:
Indoor collaborative localization method based on ultra-wideband ranging

Localization accuracy with Ultra-Wideband (UWB) in Non-Line-of-Sight (NLOS) environments, which most commonly exist in indoor constructions, is much lower than that in Line-of-Sight (LOS) environments. In this paper, we propose a collaborative localization algorithm to improve the localization accuracy in NLOS environments by maximally utilizing the LOS links among nodes with unknown locations, and evaluate the localization performance of our proposed algorithm by deploying UWB devices in a typical indoor office environment. The experiment results show that our proposed collaborative method has a better localization performance as compared to other indoor localization methods. In particular, the localization accuracy increases as much as 50.87% according to our experiment results.
Improved Multiobjective Maintenance Optimization of Aircraft Equipment Using Strength Pareto Genetic Algorithms with Immunity

In this paper we propose the use of the strength Pareto genetic algorithm (GA) with immunity as a tool to solve multiobjective optimization problems in maintenance of aircraft equipment. Typically, among some important multiobjective genetic algorithms, strength Pareto genetic algorithm seems the most effective technique for finding the Pareto-optimal set for multiobjective optimization problems with several characteristics. However, there are always some basic and obvious characteristics or knowledge in pending problem, where the loss due to this negligence is sometimes considerable in dealing with complex problems. Based on these reasons, an improvement on strength Pareto genetic algorithm with immunity is given to retrain degeneracy of the evolution process, where the immune operator is realized by vaccine extraction, vaccination and immune selection in turn. The algorithm is illustrated on the preventive maintenance problem and the results are discussed.
Educational program for teaching seepage studies (EPTS)

Program EPTS is designed and implemented for teaching 2D steady state (isotropic or anisotropic) confined or unconfined seepage studies in soil engineering. The program is written in Visual Basic and utilizes the methods of linear COONS patches for the generation of meshes of the seepage domain and the Galerkin finite element approximation for the derived simultaneous equations. A full mathematical description of COONS' linear patches and the Galerkin approximation of any planar region(s) are included. Several computer printouts of typical engineering problems are presented to illustrate the accuracy and exactness of the program. Comput. © 2009 Wiley Periodicals, Inc. Comput Appl Eng Educ 19: 708–716, 2011
Di‐(2‐ethylhexyl) phthalate and bisphenol A exposure impairs mouse primordial follicle assembly in vitro

Bisphenol‐A (BPA) and diethylhexyl phthalate (DEHP) are estrogenic compounds widely used in commercial plastic products. Previous studies have shown that exposure to such compounds have adverse effects on various aspects of mammalian reproduction including folliculogenesis. The objective of this study was to examine the effects of BPA and DEHP exposure on primordial follicle formation. We found that germ cell nest breakdown and primordial follicle assembly were significantly reduced when newborn mouse ovaries were exposed to 10 or 100 μM BPA and DEHP in vitro. Moreover, BPA and DEHP exposure increased the number of TUNEL positive oocytes and the mRNA level of the pro‐apoptotic gene Bax in oocytes. These effects were associated with decreased expression of oocyte specific genes such as LIM homeobox 8 (Lhx8), factor in the germline alpha (Figla), spermatogenesis and oogenesis helix‐loop‐helix (Sohlh2), and newborn ovary homeobox (Nobox). Interestingly, BPA and DEHP exposure also prevented DNA demethylation of CpG sites of the Lhx8 gene in oocytes, a process normally associated with folliculogenesis. Finally, folliculogenesis was severely impaired in BPA and DEHP exposed ovaries after transplantation into the kidney capsules of immunodeficient mice. In conclusion, BPA and DEHP exposures impair mouse primordial follicle assembly in vitro. Environ. Mol. Mutagen. 55:343–353, 2014. © 2014 Wiley Periodicals, Inc.
Spanish adaptation of social withdrawal motivation and frequency scales.

OBJECTIVE To adapt into Spanish three scales measuring frequency (SWFS) and motivation for social withdrawal (CSPS and SWMS) and to develop a scale capable of assessing the five motivations for social withdrawal. METHOD Participants were 1,112 Spanish adolescents, aged 12-17 years. The sample was randomly split into two groups in which exploratory and confirmatory (CFA) factor analyses were performed separately. A sample of adolescents in residential care (n = 128) was also used to perform discriminant validity analyses. RESULTS SWFS was reduced to eight items that account for 40% of explained variance (PVE), and its reliability is high. SWMS worked adequately in the original version, according to CFA. Some items from the CSPS were removed from the final Spanish version. The newly developed scale (SWMS-5D) is composed of 20 items including five subscales: Peer Isolation, Unsociability, Shyness, Low Mood and Avoidance. Analyses reveal adequate convergent and discriminant validities. CONCLUSIONS The resulting SWFS-8 and SWMS-5D could be considered useful instruments to assess frequency and motivation for social withdrawal in Spanish samples.
Modified neocognitron with position normalizing preprocessor for translation invariant shape recognition

A pattern-recognition system that self-organizes to recognize objects by shape as part of an integrated visual network (IVN) for autonomous flight control is presented. The system uses a multistaged hierarchical neural network that exhibits insensitivity to the location of the object in the visual field. The network's two layers perform the functionally disjoint tasks of invariance (position normalization) and recognition (identification of the shape). The invariance stage is a multilayered neural network implementation of a modified Walsh-Hadamard transform that generates a representation of the object that is invariant with respect to the object's position. The recognition stage is a modified version of the Fukushima neocognitron that identifies the position-normalized representation by shape. The inclusion of the invariance stage allows reduction of the massively replicated processing structures used for translation invariance in the neocognition. This system offers roughly the same translation invariance capabilities as the neocognitron, with a dramatic reduction in the number of elements and the network's interconnection complexity
Constraints on the exosphere of CoRoT-7b

Context. The small radius and high density of CoRoT-7b implies that this transiting planet belongs to a different species than all transiting planets previously found. Current models suggest that this is the first transiting rocky planet found outside the solar system. Given that the planet orbits a solar-like star at a distance of only 4.5 R∗, it is expected that material released from its surface may then form an exosphere. Aims. We constrain the properties of the exosphere by observing the planet in- and out-of-transit. Detecting the exosphere of CoRoT7b would for the first time allow us to study the material originating in the surface of a rocky extrasolar planet. We scan the entire optical spectrum for any lines originating from the planet, focusing particularly on spectral lines such as those detected in Mercury and Io in our solar system. Methods. Since lines originating in the exosphere are expected to be narrow, we observed CoRoT-7b at high resolution with UVES on the VLT. By subtracting the two spectra from each other, we search for emission and absorption lines originating in the exosphere of CoRoT-7b. Results. In the first step, we focus on Ca I, Ca II, and Na, because these lines have been detected in Mercury. Since the signal-to-noise ratio (S/N) of the spectra is as high as 300, we derive firm upper limits for the flux-range between 1.6 × 10 −18 and 3.2 × 10 −18 Wm −2 . For CaO, we find an upper limit of 10 −17 Wm −2 . We also search for emission lines originating in the plasma torus fed by volcanic activity and derive upper limits for these lines. In the whole spectrum we finally try to identify other lines originating in the planet. Conclusions. Except for CaO, the upper limits derived correspond to 2−6 × 10 −6 L∗, demonstrating the capability of UVES to detect very weak lines. Our observations certainly exclude the extreme interpretations of data for CoRoT-7b, such as an exosphere that emits 2000 times as brightly as Mercury.
Sensitivity and specificity of the ankle—brachial index to diagnose peripheral artery disease: a structured review

The ankle—brachial index (ABI) is a simple, inexpensive diagnostic test for peripheral artery disease (PAD). However, it has shown variable accuracy for identification of significant stenosis. The authors performed a structured review of the sensitivity and specificity of ABI ≤ 0.90 for the diagnosis of PAD. MEDLINE, EMBASE, Cochrane databases, Science Citation Index database, and Biological Abstracts database were searched for studies of the sensitivity and specificity of using ABI ≤ 0.90 for the diagnosis of PAD. Eight studies comprising 2043 patients (or limbs) met the inclusion criteria. The result indicated that, although strict inclusion criteria on studies were formulated, different reference standards were found in these studies, and methods of ABI determination and characteristics of populations varied greatly. A high level of specificity (83.3—99.0%) and accuracy (72.1—89.2%) was reported for an ABI ≤ 0.90 in detecting ≥ 50% stenosis, but there were different levels of sensitivity (15—79%). Sensitivity was low, especially in elderly individuals and patients with diabetes. In conclusion, the test of ABI ≤ 0.90 can be a simple and useful tool to identify PAD with serious stenosis, and may be substituted for other non-invasive tests in clinical practice.
Heterogeneous Integration of RF and Microwave Systems Using Multi-layer Low-Temperature Co-fired Ceramics Technology

El objetivo de este trabajo es el desarrollo de una metodologia de modelado para el analisis rapido, pero sin comprometer la precision de la solucion, de componentes pasivos no radiativos de RF en substratos multicapa. En lugar de seguir un enfoque de modelo compacto, utilizado frecuentemente en tecnologias integradas, el metodo se basa en el algoritmo numerico cuasi-estatico de los elementos parciales de circuito equivalente (PEEC). Ademas de la velocidad y la precision, este puede ser incorporado en simuladores de circuitos; por tanto, los modelos ya estan disponibles en la entrada de esquematico de forma transparente para el disenador de circuitos. Utilizando este marco, la escalabilidad del modelo se mejora en terminos de la geometria, la definicion del corte tecnologico, las propiedades del material, la topologia del componente y las condiciones de contorno electromagneticas. Esta disertacion comienza mostrando las motivaciones que han llevado a su desarrollo y la capacidad real del metodo de resolucion obtenido. A partir de aqui, se realiza la descripcion de todo el desarrollo del marco numerico que se divide en tres partes que estan interrelacionadas. En primer lugar, la formulacion PEEC se adapta segun el comportamiento electromagnetico real del componente. Vale la pena subrayar que en esta formulacion se utiliza una perspectiva diferente a la habitual y que esta relacionada con el principio de los trabajos virtuales de d’Alembert. La segunda parte trata de como se evaluan los elementos parciales y constituye el nucleo principal del algoritmo. Se lleva a cabo utilizando soluciones analiticas de la funcion de Green (GF) del sustrato en el dominio espacial. Los elementos parciales, que forman la malla numerica del modelo, se ensamblan en la matriz del sistema siguiendo un procedimiento de analisis nodal modificado (MNA). En la ultima parte, se discute la importancia de la malla sobre la precision de la solucion y se propone un generador de malla basado en la fisica del componente y no solo en la descripcion de la geometria. Como aplicacion practica de la metodologia, se realiza la generacion de una biblioteca de componentes pasivos RF para sustratos multicapa. Para la validacion, el sustrato de fabricacion elegido es una tecnologia de ceramica multicapa sinterizada a baja temperatura (LTCC). Se ha fabricado y caracterizado experimentalmente diferentes conjuntos de dispositivos que han sido comparados con los datos de simulacion obteniendose unos excelentes resultados en cuanto a exactitud y velocidad de calculo. Ademas, tambien se ha verificado los datos usando simuladores electromagneticos comerciales.
Von Willebrand Disease and other Disorders of Hemostasis in the Patient with Menorrhagia

Separately, von Willebrand disease and menorrhagia are two relatively common conditions; in combination they occur at a prevalence of approximately 11–16%. Such patients exhibit a reduced quality of life and can incur a relatively high rate of gynecologic interventions; for example dilatation and curettage, endometrial ablation and hysterectomy. Initial evaluation involves a focused history for the following bleeding symptoms: menorrhagia since menarche, easy bruising of greater than 5 cm 1–2 times/month, frequent gum bleeding when flossing or brushing teeth or epistaxis 1–2 times/month. In addition, for those who have already undergone invasive interventions with the subsequent risk for hemorrhage, inquiry should be made regarding excessive bleeding with childbirth, dental tooth extraction and/or surgery. Step-wise testing includes a complete blood cell count and an assessment of the prothrombin time, activated partial thromboplastin time, iron profile, serum creatinine and thyroid-stimulating hormone level, followed by Factor VIII level, von Willebrand factor antigen and ristocetin cofactor, followed by consideration of platelet aggregation studies. Additional hemostatic studies may include obtaining a Factor XI level and euglobulin clot lysis time. Intuitively, failure to diagnose an underlying hemostatic disorder may lead to continued menorrhagia and diminished quality of life, as well as unnecessary surgical interventions that may in turn be fraught with an increased risk of bleeding. The management of von Willebrand disease-related menorrhagia involves consideration of the patient's age, childbearing status and preference. In the adolescent, surgical intervention is not an option, whereas an older patient beyond her childbearing years may choose a hysterectomy as a definitive treatment in lieu of continued medical therapy with intranasal/subcutaneous 1-deamino-8-D-arginine vasopressin (DDAVP), oral antifibrinolytic agents or oral contraceptive. The sexually active patient may initially choose a trial of oral contraceptive or the levonorgestrel intrauterine device, Mirena®. Pending ongoing comparative trials in von Willebrand disease-related menorrhagia of intranasal DDAVP, tranexamic acid and the levonorgestrel intrauterine device, specific recommendations cannot be made at present regarding the superiority of one intervention compared with another. It should also be noted that the dose and schedule of intranasal DDAVP, tranexamic acid and ε-amino caproic acid have not been well established and warrant further study in combination and at various doses and schedules.
A Cross-Classified CFA-MTMM Model for Structurally Different and Nonindependent Interchangeable Methods

ABSTRACT Multirater (multimethod, multisource) studies are increasingly applied in psychology. Eid and colleagues (2008) proposed a multilevel confirmatory factor model for multitrait-multimethod (MTMM) data combining structurally different and multiple independent interchangeable methods (raters). In many studies, however, different interchangeable raters (e.g., peers, subordinates) are asked to rate different targets (students, supervisors), leading to violations of the independence assumption and to cross-classified data structures. In the present work, we extend the ML-CFA-MTMM model by Eid and colleagues (2008) to cross-classified multirater designs. The new C4 model (Cross-Classified CTC[M-1] Combination of Methods) accounts for nonindependent interchangeable raters and enables researchers to explicitly model the interaction between targets and raters as a latent variable. Using a real data application, it is shown how credibility intervals of model parameters and different variance components can be obtained using Bayesian estimation techniques.
Efficient Microwave heating and dielectric characterization of microfluidic systems

This paper presents a 2.45 GHz microwave cavity resonator with the novel dual function of both sensitive dielectric characterisation and directed, volumetric heating of fluids in a microfluidic chip. This method is shown to have a higher efficiency (>90 % for methanol), higher rate of heating and more accurate control than previous microfluidic microwave heating methods [1], [2]. The system is simple, robust and does not require on-chip integration of waveguide structures. Furthermore, this method can be combined with miniaturised resonators such as split rings [3] for localisation of heating within a microfluidic chip.
Communication‐aware thread mapping using the translation lookaside buffer

Threads of parallel applications need to communicate in order to fulfill their tasks. The communication performance between the cores in modern multi‐core architectures differs because of the memory and interconnection hierarchies. In these architectures, it is important to map the threads of parallel applications by taking into account the communication between them, to improve their performance and energy consumption. In parallel applications based on shared memory, communication is implicit, which makes it difficult to detect the communication pattern between the threads.
Firm-Level Heterogeneity of Clawback Provisions

We investigate the degree to which implementing a clawback policy, a special part of the executive's compensation contract, is an adequate governance mechanism to deter executives from misbehavior and to recover excess-pay. By focusing on the firm-level heterogeneity in the structure of clawbacks, we recognize that firms have considerable discretion in how they design their policies. We find that firms make heavily use of their discretion in adopting more or less deterrent policies and that most firms have weak clawback provisions. We analyze voluntary adopted clawbacks of all Russell 3,000 non-financial firms over 2007-2012. We conduct an extensive linguistic and a factor analysis to construct a deterrent index for 3,578 clawback observations. This index reflects the degree to which the contractual form of each clawback contains the core elements of a deterrent clawback policy. Our results, which also take into account the self-selection problem of voluntarily adopting a clawback, show that executive pow.
The association between bone mineral density, metacarpal morphometry, and upper limb fractures in children: a population-based case-control study.

The aim of this population-based case-control study was to examine the association between bone mass and upper limb fractures in children aged 9-16 yr. Areal bone mineral density and bone mineral apparent density (BMAD) were measured by both dual energy absorptiometry (DXA) and metacarpal index (MI) by hand radiograph. A total of 321 fracture cases and 321 randomly selected individually matched controls were studied. For all fractures, cases had lower DXA measures at all sites (1.1-3.3%; all P < 0.05). A larger reduction was observed for those with wrist and forearm fractures (1.2-4.5%; all P < 0.05, except total body BMAD) but not other upper limb fractures (hand, -1.6 to +1.2%; upper arm: 0.9-4.8%; all P > 0.05). For metacarpal measures, cases had a thinner cortical width and lower MI for wrist and forearm fractures only. In multivariate modeling, both spine BMAD (odds ratio, 1.4/SD reduction) and MI (odds ratio, 1.5/SD reduction) remained statistically significant predictors of wrist and forearm fractures. In conclusion, both DXA measures and MI are independently associated with wrist and forearm but not other upper limb fractures. The magnitude of this association is somewhat weaker than in adults but suggests that optimizing age-appropriate bone mass will lessen the risk of fracture in children.
X-ray structure of the MMTV-A nucleosome core

Significance The DNA in eukaryotic organisms is packaged in nucleosomes, the fundamental repeating unit of chromatin. The ability of essential transcription regulatory factors to bind genomic recognition sites is contingent on the sequence-dependent conformation of DNA bound in nucleosomes. Our knowledge of the structure of nucleosome DNA is severely limited. The crystal structure of the nucleosome core particle reported here incorporating mouse mammary tumor virus promoter DNA provides new insight into the sequence-dependent structure of DNA as it exists in chromatin. The conformation of DNA bound in nucleosomes depends on the DNA sequence. Questions such as how nucleosomes are positioned and how they potentially bind sequence-dependent nuclear factors require near-atomic resolution structures of the nucleosome core containing different DNA sequences; despite this, only the DNA for two similar α-satellite sequences and a sequence (601) selected in vitro have been visualized bound in the nucleosome core. Here we report the 2.6-Å resolution X-ray structure of a nucleosome core particle containing the DNA sequence of nucleosome A of the 3′-LTR of the mouse mammary tumor virus (147 bp MMTV-A). To our knowledge, this is the first nucleosome core particle structure containing a promoter sequence and crystallized from Mg2+ ions. It reveals sequence-dependent DNA conformations not seen previously, including kinking into the DNA major groove.
Medical and Economic Outcomes of Point-of-Care Testing

Abstract Point-of-care testing is concerned with the immediacy of response, primarily because of the need to act in a life-threatening crisis or to provide counsel in the ongoing management of a chronic disease. There are both clinical, operational and economic benefits that can accrue from this testing modality which may be observed from several perspectives – the patient, the clinician, the healthcare provider, the healthcare purchaser and society. Thus point-of-care testing can improve the management of chronic diseases such as diabetes, compromised coagulation status and epilepsy – both in terms of optimisation of, and compliance with, therapy. There are also life-threatening crises that can be averted by rapid provision of test results. Each of these scenarios can lead to more efficient use of healthcare resources.