Miracle-dz/UniFAR-FTUs huggingface dataset:
Transferring markup tags in statistical machine translation: a two-stream approach

Translation agencies are introducing statistical machine translation (SMT) into the work flow of human translators. Typically, SMT produces a first-draft translation, which is then post-edited by a person. SMT has met much resistance from translators, partly because of professional conservatism, but partly because the SMT community has often neglected some practical aspects of translation. Our paper discusses one of these: transferring formatting tags such as bold or italic from the source to the target document with a low error rate, thus freeing the post-editor from having to reformat SMT-generated text. In our “two-stream” approach, tags are stripped from the input to the decoder, then reinserted into the resulting target-language text. Tag transfer has been tackled by other SMT teams, but only a few have published descriptions of their work. This paper contributes to understanding tag transfer by explaining our approach in detail.
Dual-Band Waveform Generator With Ultra-Wide Low-Frequency Tuning-Range

This paper presents a novel mixed-signal low-power dual-band square/triangular waveform generator (WFG) chip with a wide low-frequency tuning range for medical bio-electric stimulation therapy. It consists of a relaxation oscillator comprising a hysteresis Schmitt trigger and a timing integrator, along with frequency divider (FD) stages and path selector output for driving an electrode from 16 selectable channels. It was fabricated using Global Foundries 8RF-DM 130-nm CMOS process with a supply voltage of ±1 V for the oscillator and +1 V for logic circuits. The WFG provides an output of around 1.5 $\text{V}_{\textrm {p-p}}$ at a nominal low oscillation frequency of 17 kHz using small-size on-chip passive components of values 10 $\text{k}\Omega $ and 10 pF. The WFG core (band I) can be tuned in the range 6.44–1003 kHz through bias current adjustment, while a lower frequency (band II) in the range 0.1 Hz–502 kHz can be provided digitally through a $\div 2$ stage. The power consumption was only 0.457 mW for the WFG and 2.1 mW for the FD circuit while occupying a total silicon area of only 18 $426~\mu \text{m}^{2}$ .
Tightening the Complexity of Equivalence Problems for Commutative Grammars

We show that the language equivalence problem for regular and context-free commutative grammars is coNEXP-complete. In addition, our lower bound immediately yields further coNEXP-completeness results for equivalence problems for communication-free Petri nets and reversal-bounded counter automata. Moreover, we improve both lower and upper bounds for language equivalence for exponent-sensitive commutative grammars.
Differential expression of sirtuin 2 and adipocyte maturation restriction: an adaptation process during hypoxia in fish

ABSTRACT Sirtuins have received widespread attention due to their diverse physiological role in metabolism. Among sirtuins, SIRT2 is more abundant in adipocytes and exerts effects on adipocyte differentiation, a process which involves conversion of preadipocytes to mature adipocytes orchestrated by adipokines and adipogenic transcription factors. Grey mullet (Mugil cephalus) was chosen as a study organism due to its excellent service as a biomonitor. Adipocytes isolated from natural field conditions were termed as field-hypoxic (Ennore) and -normoxic (Kovalam) based on dissolved oxygen (DO) level in the estuary. A previous study portrayed the hypoxic instance of Ennore estuary (low DO) and grey mullet [HIF1α in adipocytes, brain endothelial cell (EC) and hepatocytes] inhabiting this estuary ( Padmini et al., 2016a, b; Padmini and Tharani, 2015). In this context, fish adipocytes of both conditions were subjected to in vitro hypoxia for 1 h (in the pre/trigassed incubator with the supply of 1% O2; 94% N2; 5% CO2) and were analysed for the expression of adipokines, adipogenic transcription factors and anti-adipogenic markers in fish adipocytes. Elevation of asymmetric dimethylarginine (ADMA), TNFα and leptin along with decreased adiponectin, adipogenic transcription factors and altering sirtuins were observed in test adipocytes and in control adipocytes on in vitro hypoxia. This suggests that adipocytes may follow internal caloric restriction as portrayed from cytomorphological/ultrastructural analysis, limiting adipocyte maturation process, one of the adaptive mechanisms triggered by adipocyte of fish surviving in Ennore estuary. Prolonged exposure to hypoxia (test on in vitro hypoxia for 1 h) showed a drastic alteration in these components leading to both structural and biological fluctuation when compared to limited hypoxic condition (field-hypoxic and control on in vitro hypoxia). Our study concludes that hypoxia may serve as the chief molecular cue in eliciting adipocyte maturation restriction though metabolic reprogramming and it also shows the significance of adipocyte maturation restriction in imparting survival mechanism. Summary: Adipocyte maturation restriction is tightly regulated by SIRT2 activation which downregulates preadipocytes from the maturation process as adaptation strategy in fish surviving in the polluted (hypoxic) environment.
How Behavioral Constraints May Determine Optimal Sensory Representations

The sensory-triggered activity of a neuron is typically characterized in terms of a tuning curve, which describes the neuron's average response as a function of a parameter that characterizes a physical stimulus. What determines the shapes of tuning curves in a neuronal population? Previous theoretical studies and related experiments suggest that many response characteristics of sensory neurons are optimal for encoding stimulus-related information. This notion, however, does not explain the two general types of tuning profiles that are commonly observed: unimodal and monotonic. Here I quantify the efficacy of a set of tuning curves according to the possible downstream motor responses that can be constructed from them. Curves that are optimal in this sense may have monotonic or nonmonotonic profiles, where the proportion of monotonic curves and the optimal tuning-curve width depend on the general properties of the target downstream functions. This dependence explains intriguing features of visual cells that are sensitive to binocular disparity and of neurons tuned to echo delay in bats. The numerical results suggest that optimal sensory tuning curves are shaped not only by stimulus statistics and signal-to-noise properties but also according to their impact on downstream neural circuits and, ultimately, on behavior.
Aetiological study of the presumed ocular histoplasmosis syndrome in the Netherlands

AIM To investigate whether presumed ocular histoplasmosis syndrome in the Netherlands is caused by Histoplasma capsulatum and whether other risk factors might play a role in the pathogenesis of this syndrome. METHODS 23 patients were clinically diagnosed as having presumed ocular histoplasmosis syndrome based on the following criteria: peripapillary atrophy, punched out lesions, a macular disciform lesion or scar in one eye without vitritis. As controls, 66 sex and age matched healthy volunteers were used. Serum samples from both patients and controls were tested for the presence of antibodies againstH capsulatum, Toxoplasma gondii, Toxocara canis et cati,Ascaris sp, and for the presence of antigens of Cryptococcus neoformans. Serum samples were also tested for the presence of autoantibodies against retinal or choroidal proteins. To investigate other risk factors, patients and controls were asked to fill in a health and travel related questionnaire. Ten patients with ocular toxoplasmosis were used as a disease control group. RESULTS None of the patients with presumed ocular histoplasmosis syndrome or controls had circulating antibodies directed against H capsulatum. No risk factors could be identified and no indications for autoimmunity and no evidence for the role of the other infectious agents could be demonstrated. CONCLUSIONS In a Dutch group of patients fulfilling the criteria of a disease currently named presumed ocular histoplasmosis syndrome, no risk factors or relation with the fungus H capsulatum could be detected.
A Wireless Relay Network Based on Unmanned Aircraft System With Rate Optimization

In this paper, we develop a wireless relay network model for an unmanned aircraft (UA) system, where an UA serves as a resilient moving relay among the ground stations with disconnected communication links in the event of disasters. A fixed-wing type is considered as our UA model, since it can operate longer than a rotary-wing UA without recharging battery, but the former can fly only in a circular manner and thus is difficult to stay at a fixed position. When the UA relays the received information to the destination with a conventional fixed-rate decode-and-forward protocol, the circular flight operation of a fixed-wing UA imposes a severe limitation on the achievable performance in terms of outage probability and information rate as they considerably depend on the location of the UA. Therefore, we propose a variable-rate relaying approach that enables us to optimize the achievable performance. Based on the theoretical derivation of the outage probability and formulation of its optimization process, we demonstrate that significant improvement over a conventional fixed-rate relaying can be achieved by the proposed rate optimization.
Artificial magnetic conductor and its application

In this paper, the reflection phase diagram along with frequency changes of artificial magnetic wall (AMC) is studied and we can determine the frequency band at which the AMC can be achieved. The concept of virtual electric/magnetic walls which are formed by combining perfect electric conducting parallel plates and perfect magnetic conducting parallel plates is cited. In practice, the perfect magnetic wall can be replaced with an artificial magnetic conductor surface. The implement of the Quasi-TEM waveguide with uniplanar compact electromagnetic band gap (UC-EBG) structure is simulated. The field distribution in the waveguide is presented with two simulation methods in HFSS which verifies the existence of the VMW. The phenomena in connection with AMC and resonance are also discussed.
catena-Poly[bis[cis-dipyrimidine-trans-dithiocyanatoiron(II)]-di-μ-pyrimidine-[trans-dithiocyanatoiron(II)]-di-μ-pyrimidine]

In the crystal structure of the title compound, [Fe3(NCS)6(C4H4N2)8]n, each iron(II) cation is coordinated by four N-bonded pyrimidine ligands and two N-bonded thiocyanate anions in a distorted octahedral environment. The asymmetric unit consists of one iron cation located on a crystallographic center of inversion, as well as one iron cation, three thiocyanate anions and four pyrimidine ligands occupying general positions. The structure consists of square secondary building units (SBUs) with an Fe atom at each corner, which are μ-N 1:N 3-bridged by the pyrimidine ligands. The SBUs are linked into infinite chains running in the c-axis direction via common opposite corners.
The Method of Pavement Image Splicing Based on SIFT Algorithm

According to the characteristic of pavement image, a new splicing method for pavement image based on scale invariant feature transform was proposed. The SIFT algorithm is used to detect the feature points, FCM clustering is used to find the most similitude cluster relative to the number of feature point, and match the feature descriptors in the cluster ,then the false feature points pair is rejected by RANSAC algorithm. Finally the correct match feature point's pair is used to realize image splicing in order to display the panoramic images of pavement images. There is a great reference value for improving the system of pavement image Automatic detection.
An Agent-based Architecture for Resource-Aware Mobile Computing

Mobile computing is one of the major trends in information technology and goes far beyond carrying laptops from the office to the home desk. Current trends in mobile computing can be summarized by the new paradigm of disappearing computers. This new metaphor aims at integrating computers into the user’s environment in such as way that the computer is not perceived as a technical device anymore. The computing power however does not reside in the tangible interfaces, e.g., smart glasses or earphones, but is located either in some wearable devices or in embedded computers, e.g., in a TV set or a car. In order to provide a flexible infrastructure that adapts to a dynamic setting of networks and services as it is addressed in the project framework EMBASSI, intelligent mechanisms are required that make efficient use of available resources. Here we describe a novel agent-based middleware architecture, which is able to support a wide range of adaptation strategies while taking application-specific knowledge into account. The proposed architecture allows structured programming by using a multi-level architecture.
The complexity of the connected graph access structure on seven participants

Abstract In this paper, we study an important problem in secret sharing that determines the exact value or bound for the complexity. First, we use the induced subgraph complexity of the graph G with access structure Γ to obtain a lower bound on the complexity of the graph G. Then, applying decomposition techniques, we obtain an upper bound on the complexity of the graph G. We determine the exact values of the complexity for each of the ten graph access structures on seven participants. Also, we improve the value bound of the complexity for the six graph access structures with seven participants.
Application of the Manakov-PMD equation to studies of signal propagation in optical fibers with randomly varying birefringence

We report on our investigations of the Manakov-polarization mode dispersion (PMD) equation which can be used to model both nonreturn-to-zero (NRZ) and soliton signal propagation in optical fibers with randomly varying birefringence. We review the derivation of the Manakov-PMD equation from the coupled nonlinear Schrodinger equation, and we discuss the physical meaning of its terms. We discuss our numerical approach for solving this equation, and we apply this approach to both NRZ and soliton propagation, We show by comparison with the coupled nonlinear Schrodinger equation, integrated with steps that are short enough to follow the detailed polarization evolution, that our approach is orders of magnitude faster with no loss of accuracy. Finally, we compare our approach to the widely used coarse-step method and demonstrate that the coarse-step method is both efficient and valid.
Sinusoidal Based Step Pulse PWM Method in Cascade Multilevel Inverters

Recently, an on-line step pulse PWM method has been introduced for cascade multilevel inverters. The simplicity of this method was derived from the principle control between two defined trajectories. For achieving good output performances, several exact angular sets are needed to be determined in advance by solving the trigonometric equations. If the number of step levels increases, then solving the transcendental equations for exact solutions may be quite difficult. This paper introduces a simple method to overcome the previously mentioned problem while number of step pulses is high. The principle control between two defined angular trajectories will again be used to obtain a linear control characteristics of fundamental voltages for the entire modulation index, including over modulation and the corresponding limit angular trajectories will be deduced appropriately from sinusoidal reference. The method will be mathematically formulated and validated. Some simulation results will be also presented.
[Congenital neuroblastomas].

BACKGROUND We consider congenital neuroblastomas (CN) those detected in pregnancy or at the very first hours of life. Due to perinatal sonography, its incidence has increased in the last years. We present herein our experience in the treatment of this condition and we try to find out any different clinical pattern from those neuroblastomas diagnosed later in life. METHODS We review the CN treated in our hospital from 1990 to 2003, analyzing diagnosis, localization, tumor staging, N-myc amplification, treatment and evolution. RESULTS Among the 107 neural tumors managed during this period (89 neuroblastomas, 18 ganglioneuromas), 8 were congenital neuroblastomas (7 girls, 1 boy). Two patients had prenatal diagnosis and 6 tumours were detected in routine exploration or casual findings upon neonatal examination. Six were abdominal, 1 thoracoabdominal and 1 abdominopelvic with dumbbell invasion. Three tumours were classified like stage 1, 1 stage 2, 1 stage 3, 1 stage 4 and 2 stage 4S. Although most of them had unfavorable histology, we didn't find N-myc amplification in any tumor. All patients were operated upon, with preoperative chemotherapy in 2 of them. Resection was complete in 7 out of the 8 tumors. The patient who presented neurological symptoms at birth recovered neither motility nor bladder function after resection. All of them survive after 60+/-53 months of follow-up. CONCLUSIONS The outcome in this group of neuroblastomas is better that expected, probably because of its abdominal location. On the contrary in dumbbell neuroblastomas, neurological damage at birth seems to be irreversible.
Structure of the Low pH Conformation of Chandipura Virus G Reveals Important Features in the Evolution of the Vesiculovirus Glycoprotein

Chandipura virus (CHAV), a member of the vesiculovirus genus, is an emerging human pathogen. As for other rhabdoviruses, CHAV entry into susceptible cells is mediated by its single envelope glycoprotein G which is both involved in receptor recognition and fusion of viral and cellular membranes. Here, we have characterized the fusion properties of CHAV-G. As for vesicular stomatitis virus (VSV, the prototype of the genus) G, fusion is triggered at low pH below 6.5. We have also analyzed the biochemical properties of a soluble form of CHAV-G ectodomain (CHAV-Gth, generated by thermolysin limited-proteolysis of recombinant VSV particles in which the G gene was replaced by that of CHAV). The overall behavior of CHAV-Gth is similar to that previously reported for VSV-Gth. Particularly, CHAV-Gth pre-fusion trimer is not stable in solution and low-pH-induced membrane association of CHAV-Gth is reversible. Furthermore, CHAV-Gth was crystallized in its low pH post-fusion conformation and its structure was determined at 3. 6Å resolution. An overall comparison of this structure with the previously reported VSV-Gth post-fusion conformation, shows a high structural similarity as expected from the comparison of primary structure. Among the three domains of G, the pleckstrin homology domain (PHD) appears to be the most divergent and the largest differences are confined to the secondary structure of the major antigenic site of rhabdoviruses. Finally, local differences indicate that CHAV has evolved alternate structural solutions in hinge regions between PH and fusion domains but also distinct pH sensitive switches. Globally the comparison between the post fusion conformation of CHAV and VSV-G highlights several features essential for the protein’s function. It also reveals the remarkable plasticity of G in terms of local structures.
Green Communication via Power-Optimized HARQ Protocols

Recently, the efficient use of energy has become an essential research topic for green communication. This paper studies the effect of optimal power controllers on the performance of delay-sensitive communication setups that utilize hybrid automatic repeat request (HARQ). The results are obtained for repetition time diversity (RTD) and incremental redundancy (INR) HARQ protocols. In all cases, the optimal power allocation, minimizing the outage-limited average transmission power, is obtained under both continuous and bursting communication models. Also, we investigate the system throughput in different conditions. The results indicate that the power efficiency is substantially increased if adaptive power allocation is utilized. For example, assume a Rayleigh fading channel with a maximum of two (re)transmission rounds with rates {1, [1/2]} nats-per-channel-use and an outage probability constraint 10-3. Then, compared with uniform power allocation, optimal power allocation in RTD reduces the average power by 9 and 11 dB in the bursting and continuous communication models, respectively. In INR, these values are obtained to be 8 and 9 dB, respectively.
Enabling and Predisposing Factors for the Utilization of Preventive Dental Health Care in Migrants and Non-Migrants in Germany

Background In many European countries including Germany, migrants utilize preventive services less frequently than the majority population. This is also true for the utilization of dental checkups. Little is known about which demographic, social, behavioral, and health-related factors influence the decision of migrants to seek preventive dental health care and how these factors differ from those in non-migrants. The aim of the present study was to examine the role of these factors among migrants and non-migrants residing in Germany. Methods Data from cross-sectional national health surveys are used, providing information on preventive dental health behavior from n = 41,220 individuals, of which 15.0% are migrants. Andersen’s Behavioral Model of Health Services Use is the conceptual framework of the investigation. Multiple logistic regression models were applied to examine the role of different predisposing and enabling factors. Interaction terms were included in order to examine whether determinants differ between migrants and non-migrants. Average marginal effects (AMEs) are reported in addition to odds ratios (ORs) as measures of effect size which are robust against bias arising from unobserved heterogeneity. Results Migrants are at an about 36% lower chance of utilizing regular dental checkups than non-migrants [OR = 0.64 (95% confidence interval, 95% CI: 0.61, 0.68); AME = −0.081 (95% CI = −0.093, −0.069)]. Differences are partly explained by the influence of demographic, social, behavioral, and health-related factors [adjusted OR = 0.69 (95% CI: 0.64, 0.73); AME = −0.065 (95% CI = −0.076, −0.053)]. Younger age, being male, lower socioeconomic status, a non-statutory health insurance, not living in a relationship, living in the Western part of Germany and in an urban setting, and poor limited social support were associated with a lower chance of utilizing regular dental checkups. Interaction effects could be observed for age and for the type of health insurance. Discussion The study identifies different enabling and predisposing factors that are relevant for the utilization of dental checkups among the population in Germany, some of which differ between migrants and non-migrants. Differences are particularly pronounced for younger ages. This differs from findings on other preventive services where older migrants tend to be more disadvantaged. Additional explanatory factors such as barriers that migrants experience in the dental health care system need to be considered in order to implement patient-oriented services and to reduce disparities in access to dental prevention.
B-cell activation induced microRNA-21 is elevated in circulating B cells preceding the diagnosis of AIDS-related non-Hodgkin lymphomas

We show that microRNA-21 is significantly elevated in peripheral B cells of HIV-infected individuals who go on to develop AIDS-related non-Hodgkin lymphoma (n = 13, <3 years prior to diagnosis) when compared with HIV-negative (n = 18) or HIV-positive controls (n = 21) (P < 0.01). Moreover, miR-21 is overexpressed in activated B cells and can be induced by interleukin 4 alone, or with CD40 or immunoglobulin M co-stimulation, and lipopolysaccharides, suggesting that miR-21 may help maintain B-cell hyperactivation, contributing to lymphomagenesis.