Miracle-dz/UniFAR-FTUs huggingface dataset:
High-Performance Wireless Networks for Industrial Control Applications: New Targets and Feasibility

Wireless networks are ever more deployed in the industrial control scenario, thanks to the numerous benefits they can bring, especially in terms of costs and flexibility. However, some critical fields of application, such as motion control, power systems automation, or power electronics control, to mention some, have extremely tight requirements in terms of timeliness, reliability, and determinism, which nowadays can only be satisfied by wired communication networks. Indeed, the available industrial wireless solutions are far from offering adequate performance levels, especially in the timing budget, due to the native limitations of their physical (PHY) layers. In this paper, an innovative approach for high-performance industrial wireless networks [wireless high performance (WirelessHP)] is presented, based on a substantial redesign of the lower layers of the industrial wireless protocol stack, with the aim of supporting the requirements of critical industrial control applications. The required levels of timeliness, reliability, and determinism are first derived through a comprehensive survey that looks at real-world application scenarios as well as at the performance of wired networks for industrial control, such as real-time Ethernet networks. The design of a new solution, which is able to satisfy these targets, is then discussed in detail, introducing a low-latency PHY layer that aims at reducing the transmission time of short packets to $1~\mu \text{s}$ , or even less. The feasibility of the proposed solution is presented through an experimental demonstrator based on software-defined radios, while its performance bounds are computed through theoretical analyses. Finally, future activities in the context of WirelessHP are widely discussed, providing an overview of the directions that will have to be addressed, particularly in the design of the upper layers.
Feeding and mating behavior of Dorcacerus barbatus (Olivier, 1790) (Coleoptera: Cerambycidae) on Lantana camara L. (Verbenaceae)

In this study we describe the mating behavior of Dorcacerus barbatus (Olivier, 1790) and its predation on the reproductive parts of Lantana camara L. (Verbenaceae) in a restored area of Atlantic forest, in southeastern Brazil. Lantana camara is regarded as one of the world’s ten worst weeds. We found three species of longhorn beetles on this plant: Trachyderes succintus duponti Aurivillius, 1912, Andraegodius rufipes zonatus (Dalman, 1823), and D. barbatus; this last species represented more than 95% of all individuals found. This is the first record of these three cerambycid species on L. camara. We observed a sequence of mating-behavior stages: jousting, antennation, holding, mounting, fighting, licking, abdomen bending, and copulation. D. barbatus destroyed 60% of the reproductive parts during the mating process. These primary observations indicate that D. barbatus may be considered as a potential biocontrol agent for this invasive species. Keywords: Biological control, invasive species, insect behavior, herbivory, Atlantic Rain Forest.
Predicting the Turkish Stock Market BIST 30 Index using Deep Learning

The non-linearity and high change rates of stock market index prices make prediction a challenging problem for traders and data scientists. Data modeling and machine learning have been extensively utilized for proposing solutions to this difficult problem. In recent years, deep learning has proved itself in solving such complex problems. In this paper, we tackle the problem of forecasting the Turkish Stock Market BIST 30 index movements and prices. We propose a deep learning model fed with technical indicators and oscillators calculated from historical index price data. Experiments conducted by applying our model on a dataset gathered for a period of 27 months on www.investing. com demonstrate that our solution outperforms other similar proposals and attains good accuracy, achieving 0.0332, 0.109, 0.09, 0.1069 and 0.2581 as mean squared error in predicting BIST 30 index prices for the next five trading days. Based on these results, we argue that using deep neural networks is advisable for stock market index prediction.
IMMERSIVE WAYFINDING: VIRTUAL RECONSTRUCTION AND EYE-TRACKING FOR ORIENTATION STUDIES INSIDE COMPLEX ARCHITECTURE

Abstract. The study presents a process of digital simulation that aims to investigate the legibility of multiple spaces in a complex architecture through architectural survey, virtual reconstruction and 3D visualization in immersive environment. The collaboration between two research institutions, one Italian and the other Chinese, developed a reconstruction of a building in the campus of the Tsinghua University of Beijing using digital tools, in order to understand the behaviours during the fruition of that space. Digital simulation in the visibility theme guarantees the possibility of testing multiple configurations and showing the impacts of the different environmental hypothesis.
A NOTE ON APPROXIMATE BENCHMARK SOLUTIONS FOR VISCOUS TWO-LAYER FLOWS

Abstract An important test of the quality of numerical methods developed to track the interface between two fluids is their ability to reproduce test cases or benchmarks. However, benchmark solutions are scarce and virtually nonexistent for complex geometries. We propose a simple method to generate benchmark solutions in the context of the two-layer flow problem, a classical multiphase flow problem. The solutions are obtained by considering the inverse problem of finding the required channel geometry to obtain a prescribed interface profile. This viewpoint shift transforms the problem from that of having to solve a complex differential equation to the much easier one of finding the roots of a quartic polynomial.
Diversity and population characteristics of terrestrial isopods (Crustacea, Oniscidea) across three forest environments in southern Brazil

Terrestrial isopods are important and dominant component of meso and macrodecomposer soil communities. The present study investigates the diversity and species composition of terrestrial isopods on three forests on the Serra Geral of the state of Rio Grande do Sul, Brazil. The area has two natural formations (Primary Woodland and Secondary Woodland) and one plantation of introduced Pinus. The pitfall traps operated from March 2001 to May 2002, with two summer periods and one winter. There were 14 sampling dates overall. Of the five species found: Alboscia silveirensis Araujo, 1999, Atlantoscia floridana (van Name, 1940), Benthana araucariana Araujo & Lopes, 2003 (Philoscidae), Balloniscus glaber Araujo & Zardo, 1995 (Balloniscidae) and Styloniscus otakensis (Chilton, 1901) (Styloniscidae); only A. floridana is abundant on all environments and B. glaber is nearly exclusive for the native forests. The obtained data made it possible to infer about population characteristics of this species. The Similarity Analysis showed a quantitative difference among the Secondary forest and Pinus plantation, but not a qualitative one. The operational sex ratio (OSR) analysis for A. floridana does not reveal significant differences in male and female proportions among environments. The reproductive period identified in the present study for A. floridana was from spring to autumn in the primary forest and Pinus plantation and during all year for the secondary forest. The OSR analysis for B. glaber reveals no significant differences in abundance between males and females for secondary forest, but the primary forest was a significant difference. The reproductive period for B. glaber extended from summer to autumn (for primary and secondary forest). This is the first record for Brazil of an established terrestrial isopod population in a Pinus sp. plantation area, evidenced by the presence of young, adults and ovigerous females, balanced sex ratio, expected fecundity and reproduction pattern, as compared to populations from native vegetation areas.
Sex-dependent regulation of hepatic peroxisome proliferation in mice by trichloroethylene via peroxisome proliferator-activated receptor α (PPARα)

The mechanism of trichloroethylene-induced liver peroxisome proliferation and the sex difference in response was investigated using wild-type Sv/129 and peroxisome proliferator-activated receptor alpha (PPARalpha)-null mice. Trichloroethylene treatment (0.75 g/kg for 2 weeks by gavage) resulted in liver peroxisome proliferation in wild-type mice, but not in PPARalpha-null mice, suggesting that trichloroethylene-induced peroxisome proliferation is primarily mediated by PPARalpha. No remarkable sex difference was observed in induction of peroxisome proliferation, as measured morphologically, but a markedly higher induction of several enzymes and PPARalpha protein and mRNA was found in males. On the other hand, trichloroethylene induced liver cytochrome P450 2E1, the principal enzyme responsible for metabolizing trichloroethylene to chloral hydrate, only in males, which resulted in similar expression levels in both sexes after the treatment. Trichloroethylene influenced neither the level of catalase, an enzyme involved in the reduction of oxidative stress, nor aldehyde dehydrogenase, the main enzyme catalyzing the conversion to trichloroacetic acid. These results suggest that trichloroethylene treatment causes a male-specific PPARalpha-dependent increase in cellular oxidative stress.
The gall-inducing habit has evolved multiple times among the eriococcid scale insects (Sternorrhyncha: Coccoidea: Eriococcidae)

The habit of inducing plant galls has evolved multiple times among insects but most species diversity occurs in only a few groups, such as gall midges and gall wasps. This phylogenetic clustering may reflect adaptive radiations in insect groups in which the trait has evolved. Alternatively, multiple independent origins of galling may suggest a selective advantage to the habit. We use DNA sequence data to examine the origins of galling among the most speciose group of gall-inducing scale insects, the eriococcids. We determine that the galling habit has evolved multiple times, including four times in Australian taxa, suggesting that there has been a selective advantage to galling in Australia. Additionally, although most gall-inducing eriococcid species occur on Myrtaceae, we found that lineages feeding on Myrtaceae are no more likely to have evolved the galling habit than those feeding on other plant groups. However, most gall-inducing species-richness is clustered in only two clades (Apiomorpha and Lachnodius + Opisthoscelis), all of which occur exclusively on Eucalyptus s.s. The Eriococcidae and the large genus Eriococcus were determined to be non-monophyletic and each will require revision. (C) 2004 The Linnean Society of London.
Deriving User- and Content-specific Rewards for Contextual Bandits

Bandit algorithms have gained increased attention in recommender systems, as they provide effective and scalable recommendations. These algorithms use reward functions, usually based on a numeric variable such as click-through rates, as the basis for optimization. On a popular music streaming service, a contextual bandit algorithm is used to decide which content to recommend to users, where the reward function is a binarization of a numeric variable that defines success based on a static threshold of user streaming time: 1 if the user streamed for at least 30 seconds and 0 otherwise. We explore alternative methods to provide a more informed reward function, based on the assumptions that streaming time distribution heavily depends on the type of user and the type of content being streamed. To automatically extract user and content groups from streaming data, we employ ”co-clustering”, an unsupervised learning technique to simultaneously extract clusters of rows and columns from a co-occurrence matrix. The streaming distributions within the co-clusters are then used to define rewards specific to each co-cluster. Our proposed co-clustered based reward functions lead to improvement of over 25% in expected stream rate, compared to the standard binarized rewards.
A note on the Stokes phenomenon in flow under an elastic sheet

The Stokes phenomenon is a class of asymptotic behaviour that was first discovered by Stokes in his study of the Airy function. It has since been shown that the Stokes phenomenon plays a significant role in the behaviour of surface waves on flows past submerged obstacles. A detailed review of recent research in this area is presented, which outlines the role that the Stokes phenomenon plays in a wide range of free surface flow geometries. The problem of inviscid, irrotational, incompressible flow past a submerged step under a thin elastic sheet is then considered. It is shown that the method for computing this wave behaviour is extremely similar to previous work on computing the behaviour of capillary waves. Exponential asymptotics are used to show that free-surface waves appear on the surface of the flow, caused by singular fluid behaviour in the neighbourhood of the base and top of the step. The amplitude of these waves is computed and compared to numerical simulations, showing excellent agreements between the asymptotic theory and computational solutions. This article is part of the theme issue ‘Stokes at 200 (part 2)’.
Ultra-wideband enhancement on mid-infrared fingerprint sensing for 2D materials and analytes of monolayers by a metagrating

Abstract Mid-infrared absorption spectroscopy is a powerful tool to identify analytes by detecting their material fingerprint in a label-free way, but it faces barriers on trace-amount analysis due to the difficulties in enhancing the broadband spectral signals. Here, we propose a sensing scheme based on the angular scanning of polarized light on a dielectric metagrating, and demonstrate it by numerical simulation. This approach not only indicates a series of significant signal enhancement factors over 30 times in an ultra-wide mid-infrared band, but also enables the explicit identification for various analytes, including 2D materials and trace-amount thin film samples. Our method would facilitate mid-infrared sensing for 2D materials and trace-amount analysis, and enable many new applications on non-destructive molecular identification.
Molecular characterization of genes involved in chicken MHC class I antigen presentation pathway

Abstract Tapasin, TAP1 and TAP2 are involved in the assembly of MHC class I molecules. The genes encoding these three products belong to the Major Histocompatibility Complex: in chicken, Tapasin is located between the two class IIb genes, while TAP1 and TAP2 are found between the two class I genes. The current study aimed at the molecular characterization of these three genes. Starting from Single Nucleotide Polymorphisms (11 in Tapasin, 18 in TAP1 and 21 in TAP2) previously discovered by the authors within these genes, the nucleotide diversity was assessed at each locus. Moreover, the haplotypes were reconstructed for each individual and the genetic distances between the chicken lines and breeds were estimated. From the analysis of the nucleotide diversity values, variale polymorphism rates could be observed among the three genes. In the three analyzed loci the SNPsrates were higher than the reported chicken genome mean nucleotide diversity of 5 SNPs kb−1. The calculation of the genetic distances permitted, generally, the distinction of animals among the analyzed lines/breeds.
Intrinsic Markers Reveal Breeding Origin and Geographically-Structured Migration Timing of Two Songbird Species at a Coastal Stopover Site

Abstract We used stable hydrogen isotope markers to identify geographic provenance of Blackpoll Warblers (Setophaga striata) and Red-eyed Vireos (Vireo olivaceus) passing through a coastal stopover area in the Gulf of Maine on fall migration, and supplemented δ2 H signatures from feathers with wing length data as an additional proxy for migration origin, since geographic size variation has been documented for this species. We captured migrant blackpolls with putative origins from as close as the Adirondacks, New Brunswick, and northwestern Maine, and potentially as far as Alaska. We captured vireos with putative origins from as close as Maine and Nova Scotia, and potentially as far as British Columbia and Alberta. We found a significant relationship between blackpoll wing length and capture date indicating that birds with longer wings– and thus likely from more western and northern breeding regions – passed through the capture site earlier in the season than more local breeders. In contrast, vireos from more distant breeding latitudes passed through the capture site later in the season. These results demonstrate that mid-coast Maine serves as a catchment area for both Blackpoll Warblers, and Red-eyed Vireos, and provides some evidence that connectivity between breeding areas and stopover sites may be strong for blackpolls; however, additional study linking breeding and stopover sites across the migratory range of both species is necessary to understand more fully how strong connectivity is between breeding and stopover areas for these species.
Essays in learning and information design

We re-visit three classical models in information economics. The first chapter studies the screening problem for a seller who owns a single good, and a buyer whose valuation for the good is their private information. We allow for the seller to acquire information at some cost about the buyer’s value, in addition to her choice over the probability of trade and the transfer. The seller thus chooses a Blackwell experiment for each announcement that the buyer makes in a direct revelation mechanism. More informative experiments are more costly. Under mild conditions, there are always optimal mechanisms where the seller acquires coarse information about the buyer. In particular, it is always optimal for the seller to choose an experiment that consists of no more than four signals. When the buyer has only two possible values, the same holds for experiments that consist of at most three signals. The second chapter examines information disclosure in a setting of strategic experimentation. A group of agents continuously and independently choose between a safe arm and risky arms of the same type. When the arms reveal good news, we are able to achieve efficiency in a class of simple information disclosure mechanisms when the agents are initially optimistic enough about their risky arms, but only when there are not too many agents. When the reverse is true, the mechanism must be transparent. Thus, there is a tradeoff between transparency and efficiency. This tradeoff does not exist in the case of bad news. In the final chapter, we borrow insights from social learning theory to understand why institutions have persistent effects. We adapt the classical model in a minimal fashion to accommodate a role for institutions, and demonstrate that social learning is one plausible mechanism of persistence.
Recovering morphology from local phonotactic constraints

Implicit phonotactic knowledge emerges from learners’ exposure to language-specific distributional information (e.g. Albright & Hayes, 2003; Pierrehumbert & Coleman 1997). ‘Wordlikeness’ studies (Bailey & Hahn, 2001) distinguish between two different types of knowledge involved in production/judgement of novel words: (a) phonotactic (string level); (b) lexical (word level). Different statistical models are used to shape the two types of knowledge (bi/trigram transition probability for (a) and lexical neighborhood for (b)). In this work, we propose that the phonotactic level and the word level should not be conceived of as two independent, blind domains, but rather as interconnected systems interacting in a bottom-up fashion. The interplay of phonotactic local constraints and frequency-sensitive word patterns is powerful enough to enable overranked morphological patterns to be recovered from rough data.
Chylothorax After Cardiac Surgery

Abstract In the following article we present a case of postoperative chylothorax as rare and severe complication after cardiac surgery. We present a case of 56-year-old man after double-valve replacement procedure and aorto-coronary artery bypass grafting, including pedicled left internal mammary artery towards left anterior descending artery. By the tenth postoperative day the total amount of drained milky white fluid from the left pleural cavity reached the colossal volume of 13 040 ml, despite the conservative therapy with intravenous Sandostatin (Octreotide) and parenteral feeding with a solution rich in medium chain triglycerides and amino acids – OliClínomel. The results of the biochemical analysis confirmed the diagnosis chylothorax. On the tenth postoperative day, a revision of the left pleural cavity through left thoracotomy was performed and lesion of the thoracic duct was identified. The lesion was sutured and secured with fibrin tissue glue – Tissucol for definitive treatment of the lymphorrhagia. The combined therapeutic and surgical approach concerning this serious complication turned out to be effective, and the patient was discharged on the thirty-second postoperative day with significant clinical improvement without ultra-sound and x-ray data for left pleural effusion.
Nutritive value of poultry meat: relationship between vitamin E and PUFA

Fat content in poultry meat is relatively low (2.8 g/100 g breast and 13 g/100g thigh) and with a positive unsaturated/saturated fatty acid ratio, from a human health point of view. It is well established that we can modify lipid fraction through dietary strategies in order to improve nutritive value. When the dietary polyunsaturated fatty acid (PUFA) level increases, the PUFA content in the chicken tissues also increases. But this enrichment in PUFA, especially in omega-3, leads to a higher number of double bonds in the meat and this provokes different consequences. The use of dietary PUFA fat causes a decrease in the body fat deposition in broilers. Furthermore, an increase in the degree of PUFA in meat enhances the development of organoleptic problems and increases the susceptibility to oxidation. Since antioxidants, especially vitamin E, protect PUFA from oxidation damage, its inclusion in chicken diets must be assured. Alpha-Tocopherol (alpha-Toc) content in poultry meat increases linearly as the dietary alpha-Toc supplementation increases, but it is affected by the PUFA content. As the dietary PUFA level increases, the alpha-Toc content of chicken meat decreases. To achieve the same tissue alpha-Toc concentration, the vitamin E requirements increase by 2.5 and 3.7 mg per each g of dietary PUFA. The potential healthy beneficial effect of PUFA enriched meat will be limited if the antioxidant content, such as vitamin E, which prevents oxidation, is not assured. The dietary supplementation with alpha-Toc and PUFA should be adjusted depending on our aims: nutrient enrichment and/or lipid oxidation minimization.