Miracle-dz/UniFAR-FTUs huggingface dataset:
Online State Estimation of Communication Networks

Summary This paper introduces a novel approach to congestion avoidance in TCP/IP networks. The new technique is based on State Estimation which addresses some general shortcomings of the current Active Queue Management schemes such as RED. State Estimation of dynamic systems is an important requirement for secure and economical process operations. It is an intrinsic element of many network management systems including Power, and Water Distribution Networks, where its implementation not only facilitates real-time network monitoring, fault detection, and process optimization, but it also enables an advanced control with improved system security. This paper presents some potential issues in TCP/IP networks where State Estimation can be applied to achieve better performance in congestion control. The results presented in this paper prove that there exist many uncertainties, anomalies, bad data, and measurement noises, in a real physical network, which if not remedied, can affect the efficiency of the queue management to a greater extent. The State Estimation scheme, proposed in this paper, is capable of filtering out the noise and hence provides an optimal control and security. This is validated by comparing the results to the simulation results of one such RED algorithm.
Boson stars driven to the brink of black hole formation

We present a study of black hole threshold phenomena for a self-gravitating, massive complex scalar field in spherical symmetry. We construct type I critical solutions dynamically by tuning a one-parameter family of initial data consisting of a boson star and a massless real scalar field. The massless field is used to perturb the boson star via a purely gravitational interaction which results in a significanttransfer of energy from the massless field to the massive field. The resulting~unstable! critical solutions, which display great similarity with unstable boson stars, persist for a finite time before either dispersing most of the mass to infinity~leaving a diffuse remnant! or forming a black hole. To further the comparison between our critical solutions and boson stars, we verify and extend the linear stability analysis of M. Gleiser and R. Watkins @Nucl. Phys. B319, 733 ~1989! # by providing a method for calculating the radial dependence of boson star quasinormal modes of nonzero frequency. The frequencies observed in our critical solutions coincide with the mode frequencies obtained from perturbation theory, as do the radial profiles of many of the modes. For critical solutions with less than 90% of the maximum boson star mass M max.0. 633M Pl /m, the existence of a small halo of matter in the tail of the solution distorts the profiles which otherwise agree very well with unstable boson stars. These halos appear to be artifacts of the collision between the original boson star and the massless field, and do not appear to belong to the true critical solutions, which are interior to the halos and which do in fact correspond to unstable boson stars. It appears that unstable boson stars are unstable to dispersal ~‘‘explosion’’ ! in addition to black hole formation, and given the similarities in macroscopic stability between boson stars and neutron stars, we suggest that those neutron star configurations at or beyond the point of instability may likewise be unstable to explosion.
Block-Z X Z synthesis of an arbitrary quantum circuit

Given an arbitrary 2(w) x 2(w) unitary matrix U, a powerful matrix decomposition can be applied, leading to four different syntheses of a w-qubit quantum circuit performing the unitary transformation. The demonstration is based on a recent theorem by H. Fuhr and Z. Rzeszotnik [Linear Algebra Its Appl. 484, 86 (2015)] generalizing the scaling of single-bit unitary gates (w = 1) to gates with arbitrary value of w. The synthesized circuit consists of controlled one-qubit gates, such as NEGATOR gates and PHASOR gates. Interestingly, the approach reduces to a known synthesis method for classical logic circuits consisting of controlled NOT gates in the case that U is a permutation matrix.
Towards the develop ent of a ethodology for anaging industrialization projects

This paper proposes an approach for developing a project management methodology to be applied on the specific context of industrialization projects. This particular type of projects comprise the development of manufacturing lines for products, the quality of the product itself being assessed the whole way through using the well-known stage-gate system (quality gates). Project management should then support the technical activities, but its role is sometimes not so clear. In this sense, the proposed approach for developing the project management methodology is intended to solve this issue, comprising the required steps for performing a detailed characterization of the current scenario, allowing for inconsistences to be noticed and improvements to be identified. © 2017 The Authors. Published by Elsevier B.V. Peer-review under responsibility of the scientific committee of the CENTERIS International Conference on ENTERprise Information Systems / ProjMAN International Conference on Project MANagement / HCist International Conference on Health and Social Care Information Systems and Technologies.
Effect of a high-fibre diet on the feeding behaviour of fattening pigs

The natural behavioural repertoire of the pig includes extensive foraging behaviour and long feeding times. Customary feed for growing pigs does not meet these requirements, resulting in unsatisfied feeding motivation. This may lead to behavioural disorders and reduces animal welfare. Studies on sows showed that by enhancing crude fibre content in the feed, satiety can be improved and the feeding motivation reduced. In growing pigs, however, studies are lacking, although abnormal behaviours are widespread. Therefore, we investigated the feeding behaviour of 56 castrated male pigs, who received either a standard compound feed or a high fibre feed containing lignocellulosis. High fibre pigs feed less often but longer times than control pigs. The feeding rate of high fibre pigs is clearly reduced, resulting in lower feed intake. Due to the composition of the fibrous feed, energy intake is less and crude fibre intake higher in high fibre pigs. Those animals have lower daily weight gain than control pigs, the feed conversion, however, does not differ between diets. Our results indicate that fibrous feed increases satiety in growing pigs. Sufficient satiety reduces foraging and feeding motivation and related behavioural problems. High fibre feed is therefore suitable to improve the welfare of fattening pigs.
Semantic Priming Effects in Lexical Ambiguity Resolution

The study addresses a number of issues related to the effects of biasing semantic contexts on the processing of words with more than one meaning (homographs). Biasing contexts have been taken to either constrain "lexical access" to a contextually relevant meaning of a homograph (selective access), or to exert a selective effect only after access to all, or some subset of, the meanings of a homograph (multiple access). Recent findings based on the two-factor theory of attention (Posner § Snyder, 1975a) suggest that lexical access occurs in two stages, where the first stage involves automatic activation of all meanings and the second involves a rapid attentional selection of the contextually relevant meaning. A three word priming paradigm (Schvaneveldt, Meyer, § Becker, 1976) was employed to test the stages hypothesis. Subjects were required to name only the final target word, and their reaction time was the dependent variable. The critical trials involved presentation of two word primes, where the first prime was a word related to one meaning of the second prime, which was a homograph. The comparison of most interest was between targets that were semantically congruent or incongruent with the biased homograph (e.g., oar-row-PADDLE and oar-rowCOLUMN, respectively). These conditions were compared to two baselines: One employing two neutral primes (e.g., xxxxx-xxxxx-PADDLE), and one employing the biased homograph followed by an unrelated target (e.g., oar-row-GREEN). The
High-redshift AGN in the Chandra Deep Fields : The obscured fraction and space density of the sub-L * population

We investigate the population of high-redshift (3≤z 23 is ~0.6-0.8, once incompleteness effects are taken into account, with no strong dependence on redshift or luminosity. We derived the high-redshift AGN number counts down to F0.5-2 keV = 7 × 10-18 erg cm-2 s-1, extending previous results to fainter fluxes, especially at z > 4. We put the tightest constraints to date on the low-luminosity end of AGN luminosity function at high redshift. The space density, in particular, declines at z > 3 at all luminosities, with only a marginally steeper slope for low-luminosity AGN. By comparing the evolution of the AGN and galaxy densities, we suggest that such a decline at high luminosities is mainly driven by the underlying galaxy population, while at low luminosities there are hints of an intrinsic evolution of the parameters driving nuclear activity. Also, the black hole accretion rate density and star formation rate density, which are usually found to evolve similarly at z ≲ 3, appear to diverge at higher redshifts. (Less)
A Network Troubleshooting Method Based on Dempster Rule

In this paper, a new method which is named DRNFD for network troubleshooting is brought forward in which “abnormal degree” is defined by the vector of probability and belief functions in a privileged process. A new formula based on Dempster Rule is presented to decrease false positives. This method (DRNFD) can effectively reduce false positive rate and non-response rate and can be applied to real-time fault diagnosis. The operational prototypical system demonstrates its feasibility and gets the effectiveness of real-time fault diagnosis.
Trade and the Environment with Heterogeneous Firms

As the world is becoming more globalized and international trade agreements proliferate, there is a rising concern that trade liberalization may be detrimental to the environment. In a seminal paper Antweiler, Copeland, and Taylor (2001) identify three channels through which may trade affect the environment: Reducing trade barriers increases output (scale effect), abatement expenditures (technique effect), and changes the composition of goods produced (composition effect). All these channels operate at the country level and/or the industry levels. In this paper we focus on the effect that trade liberalization has on the pollution behavior of individual firms. We develop a theoretical framework that is able to account for differences in pollution behavior across firms within the same industry by embedding a model of trade with heterogeneous firms into the classical literature of trade and the environment following Antweiler, Copeland and Taylor (2001). The model shows that firm heterogeneity is important in determining the economy’s aggregate behavior. In particular, more productive firms are less pollution intensive and are more likely to be exporters than less productive firms. The model identifies a new channel through which trade affects the environment: a “selection effect”. International trade causes the less productive firms within an industry to exit. Since less productive firms are more pollution intensive, through this channel international trade reduces pollution intensity by “selecting” these firms out of the industry.
Experimental system for the optimization of the parallel manipulator control

This paper presents the results of an experimental system design for the optimization of parallel manipulator control based on an optimal configuration. The experimental system is an open design for various different configurations and controllers to support parallel manipulator research and applications. Traditional PID control and self-tuning fuzzy PID control algorithm are applied for motion control of parallel manipulator. The quality system standard will be analyzed and compared with simulation results. The system can be a useful tool for research and training.
Clinical Presentation and Diagnostic Challenges in Very Early Onset Schizophrenia: Case Reports

Very early onset schizophrenia (VEOS) is a rare and severe neurodevelopmental disorder with poor outcome where the symptoms initially appear before the age of 13, which leads to serious decline in cognitive, emotional and social functioning. Schizophrenia in children is diagnosed by using the same criteria applied to adults. However, VEOS is not diagnosed easily as it is in adults. Being both unwelcome and stigmatizing in nature on social grounds and due to the possibility of change in the psychotic symptoms during childhood that would ultimately result in a change in diagnosis, VEOS is not an early pronounced diagnosis. Since the disorder is seen during childhood where development has not yet been completed, symptoms are complicated making the diagnostic processes and treatment even harder. The interval between the onset of first psychotic symptoms and the diagnosis generally take years. Patients commonly have a history of different psychiatric diagnoses and various psychotropic prescriptions before the diagnosis of schizophrenia. In this report, we discussed three cases with VEOS in regard to their clinical presentations and diagnostic challenges in the light of literature. To better detect the prodromal symptoms and early signs of VEOS, more research is required in this area.
Digital Enchantment of Drottningholm

How can we relate to a historical playing culture? In this essay, a counter-factual visit to thepalaces and parks of Drottningholm outside Stockholm is presented. By means of digitaltechnologies, this World Heritage Site could be animated with historical figures from theeighteenth century, thus giving a living picture of past playing. Even though such an encounterwith the past is fully possible from a technical point of view, the realization of this projectposes a number of practical and theoretical questions: How can the picture ofeighteenth-century court life be broadened to include social perspectives of class, gender andethnicity? What artistic decisions have to be taken to visualize the activities around the parkand in the palace? What forms of interactions provided by the technology are suitable forvarious groups of visitors? Some answers to these questions are hinted at in this essay, but thegeneral question of a poetics of playing remains in the abyss between the historical period andthe contemporary access to it. Neither Friedrich von Schiller's treatise on the aestheticeducation of man nor Emanuel Kant's rational view of judgment bridge the gap of historicaldistance. Could Hans-Georg Gadamer's idea of the melting of historical horizons ever becomea reality in the experiences of future visitors? Eventually, this project might only provide somepleasures of a poetry of playing.
Intérêt du poumon isolé perfusé et ventilé de rat dans l'exploration physiopathologique de certains mécanismes jouant un rôle dans la génération et la résolution de l'oedème aigu du poumon

Nous avons utilisé un modèle de poumon de rat isolé, ventilé-perfusé pour réaliser différents types de lésions pulmonaires, directes ou indirectes, de gravités différentes afin de suivre l'évolution temporelle de la génération ou de la résorption de liquide alvéolaire instillé localement ou induit par une réaction inflammatoire aiguë. Nous avons tout d'abord mis en évidence le rôle dichotomique du TNF-alpha, à la fois pro-inflammatoire mais aussi pourvu de propriétés physiologiques potentielles dans la résorption de l'oedème pulmonaire. Nous avons ensuite démontré la possibilité d'une atténuation de l'accumulation de liquide pulmonaire par un peptide dérivé du TNF-alpha lors d'inflammation endotoxinique alvéolaire. Nous avons également comparé le rôle respectif d'une inflammation alvéolaire versus hématogène dans la genèse des lésions pulmonaires, démontré le rôle d'une inflammation systémique sur la toxicité pulmonaire potentielle d'une drogue (le diméthyl-amiloride), ainsi que l'évolution temporelle respective des lésions toxiques pulmonaires et systémiques produites lors [. ] TAPPONNIER, Maxime. Intérêt du poumon isolé perfusé et ventilé de rat dans l'exploration physiopathologique de certains mécanismes jouant un rôle dans la génération et la résolution de l'oedème aigu du poumon. Thèse de doctorat : Univ. Genève, 2009, no. Méd. 10601 URN : urn:nbn:ch:unige-46628 DOI : 10.13097/archive-ouverte/unige:4662
Factors Affecting Tourists Satisfaction of Jordan as a Tourism Destination

This study aimed to examine the factors affecting tourist’s satisfaction of Jordan as a tourism destination. A Convenience sample of 500 tourists was selected from those who visited different Jordanian places. They asked to answer a set-scale questionnaire that measure tourist expectation and his/her perception toward destination image, emotional involvement, perceived outcome, self image and his satisfaction. Findings of the study indicated that Perceived outcomes, Jordan image and the emotional involvement had a significant impact on the tourists’satisfaction/ dissatisfaction. While self image, and perceived expectations had no influence. Furthermore, findings indicated that tourist’s satisfaction levels do not change according to gender, martial status, and education levels. But with different nationalities, ages, and monthly income the tourists had different level of satisfaction. Finally, many recommendations were recommended as follows: 1- Giving more attention to the Gulf of Aqaba and Dead Sea beaches and work on developing suitable protection and maintenance programs. 2 - Focusing on the development of promotional programs which aim to inform tourist about different festivals in Jordan. Also, spreading the festivals to all seasons of the year. 3- Increasing co-operation between tourism organizations in Jordan and other Arab countries in order to develop a good package of tourism programs at competitive prices. 4- Focusing on exploring new Foreign and Arab markets to attract tourists to visit Jordan.
Factors that determine the stated willingness to pay for air pollution: A case of Bophelong Township

The aim of this paper is to quantify the willingness to pay for improved air-quality in a typical low-income settlement in South Africa by making use of the contingent valuation method (CVM). Direct valuation methods or stated preferences methods such as CVM are used to value goods that do not have a market value i.e. price-quantity data does not exist for such goods. The mean WTP to reduce air pollution in Bophelong is approximately R132 per annum. The econometric analysis found that most parameters had their expected sign. WTP was found to be positively correlated with employment status and income. Males were however, found to be less likely to have a positive WTP than their female counterparts. Household size was also found to be negatively correlated with WTP.
Improving Time-Sharing Performance by Enhancing Voluntary Control on Processing Resources.

Abstract : Development of voluntary control on processing resources in concurrent task performance is studied within a training paradigm which attempts to identify the components of time-sharing skills. Two experiments are described in which subjects were trained under dual task conditions. In the first experiment three groups of subjects were trained in the concurrent performance of pursuit tracking and letter typing. One group practiced under 5 different levels of inter-task priorities with augmented on-line feedback on performance. Another group received feedback augmentation but practiced only under equal priorities conditions. A third group was allowed to develop its spontaneous strategy with no feedback augmentation or priority manipulation. In the second experiment only the first two groups were contrasted in the joint performance of letter typing and digit classification. Experimental results demonstrated that training under variable priority conditions may lead to improved performance capabilities on several aspects of the time-sharing situation. These results are interpreted to indicate that human operators can actively control their resource allocation but appear to have limited knowledge or skill to ensure the efficiency of their allocations.
Talla, pes, somatotip i composició corporal en gimnastes d'elit espanyols des de la infància fins a l'edat adulta

aDepartament de Rendiment Esportiu de l’Institut Nacional d’Educacio Fisica de Catalunya. Centre adscrit a la Universitat de Barcelona. Barcelona. Espanya. bDepartament de Fisiologia i Valoracio Funcional de la Unitat de Ciencies del Centre d’Alt Rendiment. Sant Cugat del Valles. Barcelona. Espanya. cServei de Nutricio i Dietetica. Centre d’Estudis d’Alt Rendiment Esportiu. Esplugues de Llobregat. Barcelona. Espanya.
nline small signal stability analysis of multi-machine systems based on ynchronized phasor measurements

This paper presents a novel approach for small signal stability assessment of a multi-machine system using only synchronized Phasor Measurement Units (PMUs) data. The proposed method does not need any information about the generators, network configuration or line impedances. By installing one PMU on each generator bus and using classical model for generator, all of the network and generators parameters needed for small signal stability analysis are estimated using the ambient data registered in the PMUs. Least square error estimation is used to obtain a reduced admittance matrix for the network in eywords: ower system stability hasor Measurement Unit (PMU) mall signal stability ynamic model nline monitoring real-time. The estimated model is then used to evaluate the multi machine system dynamics in real-time. Simulation results show that the proposed method is applicable in practical systems and may be used to help the system operator to monitor small signal stability of the system. © 2011 Elsevier B.V. All rights reserved. ide area measurement
Does analyst forecast dispersion represent investors’ perceived uncertainty toward earnings?

This paper aims to investigate the association between analyst forecast dispersion and investors’ perceived uncertainty toward earnings. ,A new measure for investors’ expectations of earnings announcement uncertainty is constructed, using changes in implied volatility of option contracts prior to earnings announcements. Unlike other proxies of uncertainty, this measure isolates the incremental uncertainty regarding the upcoming earnings announcement and is a forward-looking measure. ,Using this new proxy, this paper finds a significant negative correlation between analyst forecast dispersion and investors’ uncertainty regarding the upcoming earnings announcements. Further tests show that this negative correlation is driven by analysts’ private information acquisition rather than analysts; uncertainty toward upcoming earnings announcements. Additional cross-sectional tests show that this negative relationship is more pronounced in the subsample with lower earnings quality. ,This paper helps to further the understanding of the information content of analyst forecast dispersion, particularly the ways in which they gather and produce private information and their incentives for so doing. ,This paper introduces a new market-based and forward-looking proxy of earnings announcement uncertainty that should be useful in future research. This paper also provides original empirical evidence that analysts gather and produce an additional private information to the market when facing noisy signals and that their information reduces investors’ uncertainty toward upcoming earnings announcements.