Miracle-dz/UniFAR-FTUs huggingface dataset:
Tuberous sclerosis complex-associated kidney angiomyolipoma: from contemplation to action.

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Conflict Detection and Resolution in Merging of Topic Maps

Merging between topic maps describes the process of integrating two topic maps into a new topic map. In this paper, we propose a specific ontology merging process for integrating two source topic maps into a new topic map based on given semantic correspondences. Also, we define a taxonomy of merging conflicts which occur during the process of topic maps merging and a method for detecting and resolving them. Our experiments show that the automatic merging module compared with manual merging by an expert has advantages in terms of time and effort.
Énoncé de Principe

E 1980, I' Association des psychiatres du Canada (APC) publiait un premier expose de principe sur I'electrochoc et recommandait qu'il soit revise periodiquement (1). L'abondance des donnees fournies par la recherche au cours de la derniere decennie force aujourd'hui I'APe il. reexaminer sa position. L'electrochoc constitue toujours un element important de l'armement therapeutique de la psychiatrie contemporaine. En raison de l'experience clinique acquise depuis plus d'un demi-siecle et de l'ampleur des travaux de recherche en la matiere, l'APC recommande qu'il demeure une option therapeutique aisernent utilisable, merne si son mode d' action n'est pas completement elucide, A l'instar d'autres interventions medicales importantes, l'electrochoc est une methode therapeutique dont les indications sont bien definies, I'efficacite et I'innocuite prouvees, les effets secondaires bien connus et les normes d'application optimale etablies, Traiter un malade par electrochocs est done une decision medicale qui repose sur Ie diagnostic psychiatrique, l'evaluation des merites de l'intervention comparativement a d'autres traitements et Ie consentement eclaire, Au fil du temps, les progres de la medecine ont fait de I'electrochoc un traitement complexe qui exige le concours de psychiatres, d'anesthesistes et, souvent, d'autres specialistes, A mesure que s'etendra Ie champ des connaissances sur la maladie mentale, les traitements particuliers a la disposition du praticien, y compris l'electrochoc, continueront d'evoluer, de meme que leurs techniques. Le psychiatre contemporain doit suivre cette evolution.
A Fire‐Explicit Population Viability Analysis of Hypericum cumulicola in Florida Rosemary Scrub

Abstract: Land managers seeking to reestablish historical fire regimes need guidance on how to apply prescribed fire to promote the population persistence of endangered species. We explored extinction risks of Hypericum cumulicola, a fire‐dependent plant endemic to the Lake Wales Ridge, Florida ( U.S.A ). Stochastic and deterministic matrix population models based on six censuses ( 1994–1999 ) and data from several germination and seedling survival experiments were used to compare H. cumulicola demography and extinction probabilities under different fire regimes. Environmental variation associated with site, year, and winter precipitation was included in these models. We estimated time to extinction of unburned populations of different sizes and the probabilities of extinction under no fire, different regular fire‐return intervals, and alternating short and long fire‐return intervals. Following an initial fire, even relatively large populations of thousands of individuals may become locally extinct within 300–400 years without additional fires. Extinction probability declined as intervals between fires decreased. Fire intervals openface>50 years resulted in an appreciable extinction probability after 200 years. Cycles of highly staggered short and long fire‐return intervals caused slightly higher chances of extinction than regular fire‐return intervals. The simulations were sensitive to estimates of survival in the seed bank. Active management will be required to restore favorable fire regimes in areas where fire has been suppressed. To maintain biodiversity, managers should consider variable fire regimes to match the requirements of a variety of species with different life histories.
A representation model of design rationale for the design of ERP System

Special attention has been given to documentation and support activities in Software Engineering design, mainly when they are related to complex systems and distributed teams. Usually, information related to the final decisions of each phase is registered. However, the reasons of each decision and the alternatives that were considered and discarded are not documented. Capture and recovery of this type of information, in an efficient way, are the purposes of the Design Rationale study. Recording this information can facilitate maintenance, reuse and even the design phase, providing a better understanding of the system, by knowledge spread, communication and integration among the project team. The main concern is when and how to capture this information with low interference in designers’ usual activities, so that benefits can overcome the costs involved in this task. The purpose of the present work is to show, with plausible reasons, the great usefulness of the application of the Design Rationale technique in ERP systems design, proposing a new representation model for recording design decisions in these systems.
Managing Suburban Intersections through Sensing

Increased urban sprawl and increased vehicular traffic have resulted in an increased number of traffic fatalities, the majority of which occur near intersections. According to the National Highway Safety Administration, one out of eight fatalities occurring at intersections is a pedestrian. An intelligent, real-time system capable of predicting situations leading to accidents or near misses will be very useful to improve the safety of pedestrians as well as vehicles. This project investigates the prediction of such situations using current traffic conditions and computer vision techniques. An intelligent system may gather and analyze such data in a scene (e.g., vehicle and pedestrian positions, trajectories, velocities, etc.) and provide necessary warnings. The current work focuses on the monitoring aspect of the project. Certain solutions are proposed and issues with the current implementation are highlighted. The cost of the proposed system is low and certain operational characteristics are presented.
An EM Algorithm for Context-Based Searching and Disambiguation with Application to Synonym Term Alignment

A statistical context-based searching model and an unsupervised EM algorithm are proposed to resolve the large class of searching problems that require left and right contexts for disambiguation, in which the contexts can be synonyms. The searching problem is modeled as a machine translation problem in which pieces of contexts are accumulated to enforce the translation probability between a search result and the source query. This model is applied to the term alignment problem between traditional and simplified Chinese synonymous terms. In comparison with previous works on the same task, the EM algorithm for context-based searching and disambiguation significantly improves the term alignment accuracy by 2~48%, for technical, transliteration and common terms. The alignment accuracy ranges from 47~85% in different domains.
Rho GTPases

Since their discovery in the late eighties, the role of Rho GTPases in the regulation of cell migration has been extensively studied and has mainly focused on the hallmark family members Rho, Rac, and Cdc42. Recent technological advances in cell biology, such as Rho-family GTPase activity biosensors, studies in 3D, and unbiased RNAi-based screens, have revealed an increasingly complex role for Rho GTPases during cell migration, with many inter-connected functions and a strong dependency on the physical and chemical properties of the surrounding environment. This review aims to give an overview of recent studies on the role of Rho-family GTPase members in the modulation of cell migration in different environments, and discuss future directions.
Comparison of Texture Features Derived from Static and Respiratory-Gated PET Images in Non-Small Cell Lung Cancer

Background PET-based texture features have been used to quantify tumor heterogeneity due to their predictive power in treatment outcome. We investigated the sensitivity of texture features to tumor motion by comparing static (3D) and respiratory-gated (4D) PET imaging. Methods Twenty-six patients (34 lesions) received 3D and 4D [18F]FDG-PET scans before the chemo-radiotherapy. The acquired 4D data were retrospectively binned into five breathing phases to create the 4D image sequence. Texture features, including Maximal correlation coefficient (MCC), Long run low gray (LRLG), Coarseness, Contrast, and Busyness, were computed within the physician-defined tumor volume. The relative difference (δ3D-4D) in each texture between the 3D- and 4D-PET imaging was calculated. Coefficient of variation (CV) was used to determine the variability in the textures between all 4D-PET phases. Correlations between tumor volume, motion amplitude, and δ3D-4D were also assessed. Results 4D-PET increased LRLG ( = 1%–2%, p<0.02), Busyness ( = 7%–19%, p<0.01), and decreased MCC ( = 1%–2%, p<7.5×10−3), Coarseness ( = 5%–10%, p<0.05) and Contrast ( = 4%–6%, p>0.08) compared to 3D-PET. Nearly negligible variability was found between the 4D phase bins with CV<5% for MCC, LRLG, and Coarseness. For Contrast and Busyness, moderate variability was found with CV = 9% and 10%, respectively. No strong correlation was found between the tumor volume and δ3D-4D for the texture features. Motion amplitude had moderate impact on δ for MCC and Busyness and no impact for LRLG, Coarseness, and Contrast. Conclusions Significant differences were found in MCC, LRLG, Coarseness, and Busyness between 3D and 4D PET imaging. The variability between phase bins for MCC, LRLG, and Coarseness was negligible, suggesting that similar quantification can be obtained from all phases. Texture features, blurred out by respiratory motion during 3D-PET acquisition, can be better resolved by 4D-PET imaging. 4D-PET textures may have better prognostic value as they are less susceptible to tumor motion.
WSN with energy-harvesting: modeling and simulation based on a practical architecture using real radiation levels

This paper presents a new energy-harvesting provider for ns-3 simulation tool. The provider model assumes solar energy harvesting and super-capacitor storage to supply power to a Wireless Sensor Node. Super-capacitors charge and discharge is dynamically estimated based on both power consumption in the node and solar radiation levels. On one hand, super-capacitors voltage level is refreshed within each radio mode change. However, because a radio mode can be longer than few milliseconds, refreshments are also time schedule. On the other hand, solar radiation data in CSV format (comma-separated values) can be downloaded from public meteorological data bases. The model incorporates these input data being possible to simulate from one minute to weeks or months using real radiation curves observed in a specific world location at a year period. The research presented in this paper will be very useful for the study and development of energy-efficient algorithms with energy-neutral operation to build everlasting Wireless Sensor Networks.
A Near-Infrared Stellar Census of Blue Compact Dwarf Galaxies: The Wolf-Rayet Galaxy I Zw 36

We report the results of near-IR imaging in J and H, of I Zw 36 (≈Z⊙/14) with the Hubble Space Telescope. Whereas imaging with the pre-COSTAR Faint Object Camera (FOC) previously resolved hot and massive stars in the near-UV, the NICMOS data furnish a census of the cool, intermediate- and low-mass stars. There clearly was star formation in I Zw 36 prior to the activity which earned it its blue compact dwarf/Wolf-Rayet galaxy classification. The detection of luminous, asymptotic giant branch stars requires that stars formed vigorously several hundred megayears ago. The well-populated red giant branch indicates stars with ages of at least 1–2 Gyr (and possibly older than 10 Gyr). We use the tip-of-the-red-giant-branch method to derive a distance of ≥5.8 Mpc. This is the third in a series of papers on near-IR–resolved blue compact dwarf galaxies. We notice that the color-magnitude diagrams of VII Zw 403, Mrk 178, and I Zw 36 do not exhibit the gaps expected from an episodic mode of star formation. Using simulated color-magnitude diagrams we demonstrate for I Zw 36 that star formation did not stop for more than a few 108 yr over the past 109 yr, and we discuss the implications of this result.
Small ruminant pasteurellosis in Tigray region, Ethiopia: marked serotype diversity may affect vaccine efficacy

SUMMARY The aim of this study was to investigate the prevalent Bibersteinia, Mannheimia and Pasteurella serotypes, risk factors and degree of serotype co-infections in sheep and goats in the Tigray region of Ethiopia. Serum was collected from 384 sheep and goats from the Tanqua-Abergelle district of Tigray region using cross-sectional random sampling. An indirect haemagglutination test was used for serotyping. Risk factors for infections were evaluated by logistic regression. Potential clustering of multiple serotypes within individual animals due to common risk factors was evaluated by redundancy analysis. Eight serotypes were identified: all studied animals were serologically positive for at least one serotype. Overall, 355 (92·45%) of the animals were infected by four or more serotypes. Of the five risk factors studied, peasant association (PA), animal species, age (serotype A1), and bodyweight (serotype T15) were significantly associated with infection, but sex was not significant. Only PA explained a significant proportion of the variation (adjusted R 2 = 0·16) in the serological responses. After the effect of PA was accounted for, T3 and T4; A7 and Pasteurella multocida A; and A7 and T10 were positively correlated for co-infection, while T4 and T10 were less likely to be found within the same animal. Diverse serotypes were circulating in the Tigray region and could be a challenge in selecting serotypes for vaccine.
Average-case stability of Gaussian elimination

Gaussian elimination with partial pivoting is unstable in the worst case: the “growth factor” can be as large as $2^{n - 1} $, where n is the matrix dimension, resulting in a loss of $n - 1$ bits of precision. It is proposed that an average-case analysis can help explain why it is nevertheless stable in practice. The results presented begin with the observation that for many distributions of matrices, the matrix elements after the first few steps of elimination are approximately normally distributed. From here, with the aid of estimates from extreme value statistics, reasonably accurate predictions of the average magnitudes of elements, pivots, multipliers, and growth factors are derived. For various distributions of matrices with dimensions $n\leqq 1024$, the average growth factor (normalized by the standard deviation of the initial matrix elements) is within a few percent of $n^{2/3} $ for partial pivoting and approximately $n^{1/2} $ for complete pivoting. The average maximum element of the residual wi.
Speaker linking in large data sets

In this paper we propose a framework for measuring the overall performance of an automatic speaker recognition system using a set of trials of a heterogeneous evaluation such as NIST SRE- 2008, which combines several acoustic conditions in one evalu- ation. We do this by weighting trials of different conditions ac- cording to their relative proportion, and we derive expressions for the basic speaker recognition performance measures Cdet, Cllr, as well as the DET curve, from which EER and Cmin can det be computed. Examples of pooling of conditions are shown on SRE-2008 data, including speaker sex and microphone type and speaking style.
A Preliminary Study Investigating the Factors Influencing STEM Major Selection by African American Females

A PRELIMINARY STUDY INVESTIGATING THE FACTORS INFLUENCING STEM MAJOR SELECTION BY AFRICAN AMERICAN FEMALES Tiffany Monique Ray Old Dominion University, 2016 Director: Dr. Dana Burnett The purpose of this study was to investigate the significant factors influencing STEM major selection by African American females. A quantitative research design with a qualitative component was employed. Ex post facto survey research was conducted utilizing an online questionnaire to collect data from participants. African American undergraduate females that had declared a major in STEM comprised the target population for the study. As a basis for comparison, a second data collection ensued. All non-African American undergraduate females majoring in STEM also received the survey instrument to determine if there was a significant difference between factors that influence STEM major selection between the two groups. The Social Cognitive Career Choice Model comprised the conceptual framework for this study. Frequencies and percentages illustrated the demographic characteristics of the sample, as well as the average influence levels of each of the items without regard for level of significance. The researcher conducted an independent samples t-test to compare the mean scores for undergraduate African American females majoring in STEM and non-African American females majoring in STEM on each influential factor on the survey instrument. The researcher coded responses to open-ended questions to generate themes and descriptions. The data showed that African American female respondents were very influenced by the following items: specific interest in the subject, type of work, availability of career opportunities after graduation, parent/guardian, precollege coursework in science, and introductory college courses. In addition, the majority of respondents were very influenced by each of the confidence factors. African American females were overwhelmingly not influenced by aptitude tests. African American females were more influenced than their non-African American female counterparts for the following factors: reputation of the university, college or department, high level of compensation in fields, religious leaders, precollege coursework in mathematics, confidence in mathematics ability, confidence in ability to be successful in mathematics in college, confidence in science ability, and confidence in ability to be successful in science in college. Non-African American females were more influenced than African American females by the precollege coursework in technology and the precollege STEM experience factors. Four themes emerged regarding the items that most influenced success in STEM for African American females: high level of compensation in the field, parents/legal guardians and family members, specific interest in the subject, and confidence in science and math ability. One theme emerged regarding the items that least influenced success in STEM majors for African American females: personal interactions with individuals excluding family members.
No Reference quality assessment of internet multimedia services

In this paper an objective No Reference metric for assessing the quality degradations introduced by transmission over a heterogeneous IP network is presented. The proposed approach is based on the analysis of the interframe correlation measured at the output of the rendering application. It does not require information about the kind of errors, delays and latencies that affected the link and countermeasures introduced by decoders in order to face the potential quality loss. Experimental results show the effectiveness of the proposed algorithm in approximating the assessments obtained with full reference metrics.
Towards a variable compliance hydrostatic skeleton inspired gripper

Variable compliance is a subject of great interest in the robotics community, particularly in the area of Human-Robot interaction. In this work, variable compliance is achieved in a novel grasping device inspired by the hydrostatic skeletons of invertebrates. This is accomplished passively, relying on material properties and innovative prototype design. The design will be described and its behavior evaluated through a series of experiments. It will also be shown that a prototype with a very simple design is able to grasp the object with little active control.
Classification of voice aging based on the glottal signal

Classification of voice aging has many applications in health care and geriatrics. This work focuses on finding the most relevant parameters to classify voice aging. The most significant parameters extracted from the glottal signal are chosen to identify the voice aging process of men and women. After analyzing their statistics, the chosen parameters are used as entries to a neural network and to a support vector machine set to classify male and female Brazilian speakers in three different age groups: young (from 15 to 30 years old), adult (from 31 to 60 years old), andsenior (from 61 to 90 years old). The corpusused for this work was composed by one hundred and twenty Brazilian speakers (both males and females) of different ages. As compared to similar works, we employ a larger corpus and obtain a superior classification rate. Keywords— Speech processing; voice aging; glottal source; neural network classifier.
Chromatic numbers of products of graphs: The directed and undirected versions of the Poljak‐Rödl function

Let f(n) = min{χ(G × H) : G and H are n‐chromatic digraphs} and g(n) = min{χ(G × H) : G and H are n‐chromatic graphs}. We prove that f is bounded if and only if g is bounded. © 2005 Wiley Periodicals, Inc. J Graph Theory
Quality of Service in OBS Networks: Issues, Challenges and Solutions

In OBS networks, contention caused by multiple bursts competing simultaneously for a given wavelength on a fiber link, significantly increases the burst dropping probability and hence deteriorates the overall network performance. Several studies tackled the contention resolution in OBS networks; however several issues still need to be addressed such as quality of service (QoS) guarantee, protection and restoration. The separation between the control plane and data plane in OBS networks provides the flexibility needed by next generation networks. However, it raises the complicated calculation problem of the appropriate offset time for each burst to reach its destination without dropping. In this paper, we stress out the QoS guarantee, protection and restoration challenges in OBS networks. We focus on the importance of the choice of the offset time and its criticality in influencing: (i) the burst loss phenomenon in OBS networks, and (ii) the protection/restoration strategies