87,994 research outputs found
Correction: A disease-specific patient reported outcome instrument for spine trauma is developed, validated and available! Re: Andrzejowski et al. Measuring functional outcomes in major trauma: can we do better? (European Journal of Trauma and Emergency Surgery, (2023), 49, 3, (1605-1606), 10.1007/s00068-022-02167-8)
No full textThe article “A disease‑specific patient reported outcome instrument for spine trauma is developed, validated and available! Re: Andrzejowski et al. Measuring functional outcomes in major trauma: can we do better?”, written by Said Sadiqi, F. Cumhur Oner, was originally published electronically on the publisher’s internet portal on 15. November 2022 without open access. With the author(s)’ decision to opt for Open Choice the copyright of the article changed on 7
THU0295 Clinical features of takayasu's arteritis from an inception cohort: early disease is characterized by “systemic inflammation”
No full textArtificiAl NeurAl Network ApproAch for the predicitioN of the corN (Zea mays l.) leAf AreA
No full textAbstract OdabaS, M. S., E. Ergun and F. OnEr, 2013. Artificial neural network approach for the predicition of the corn (Zea mays L.) leaf area. Bulg. J. Agric. Sci., This research investigates the artificial neural networks utilization in improving leaf area forecasting at corn leaves (Zea mays L.). Best fitting results were obtained with 2 input nodes (leaf length and leaf width), 2 hidden layers and one output (leaf area). Artificial neural network model performance was tested successfully to describe the relationship between actual leaf area and predicted leaf area. R 2 of leaf area was 0.98. Artificial neural networks model produced satisfied correlation between measured and predicted value and minimum inspection error
Kombinatorische und probabilistische Aspekte von Gitterwegmodellen
No full textSchwerdtfeger U. Combinatorial and probabilistic aspects of lattice path models. Bielefeld (Germany): Bielefeld University; 2010.Nach einer Einordnung der Ergebnisse in ihre jeweiligen Gebiete im ersten Kapitel beschäftigt sich das zweite Kapitel mit zufälligen Pflasterungen eines Sechsecks mit 60-Grad-Rauten und festen Randbedingungen. Dabei wird die Gleichverteilung auf der Menge der Pflasterungen eines Sechsecks mit Seitenlängen r,s,t angenommen und das Grenzverhalten studiert, wenn r,s und t proportional gegen unendlich streben. Gewisse Statistiken verhalten sich dann wie die Eigenwerte großer Zufallsmatrizen aus dem Gaußschen Unitären Ensemble. Dies ist in der Literatur eingehend besprochen worden. Im Kapitel 2 wird gezeigt, dass diese Verteilungen auch im Unterensemble symmetrischer Pflasterungen auftreten oder, äquivalent dazu, im Ensemble der Pflasterungen des "halbierten" Sechsecks. Dabei fällt auch ein Beweis des "Arctic Circle"-Phänomens für dieses Ensemble ab: Entlang der dem Sechseck eingeschriebenen Ellipse findet ein scharfer Übergang von einem hochgeordneten zu einem ungeordneten Regime statt. Dieses Phänomen ist im genannten Unterensemble bisher nur in einer Arbeit von Forrester und Nordenstam vermutet worden.
Das dritte Kapitel beschäftigt sich mit ebenen Partitionen in einer r mal s mal t-Box. Dies sind r mal s-Matrizen mit nichtnegativen ganzen Einträgen kleiner oder gleich t, die entlang der Zeilen und Spalten monoton abfallen. Das Volumen einer ebenen Partition ist die Summe der Einträge. Es wird für r,s,t fest die Gleichverteilung angenommen und gezeigt, dass die zentrierten und normalisierten Volumenzufallsvariablen schwach gegen die Standardnormalverteilung konvergieren, falls von r,s,t zwei Werte gegen unendlich streben. Analoge Ergebnisse gelten auch für Symmetrieunterklassen.
Im vierten Kapitel werden Flächengesetze für Symmetrieunterklassen von Treppenpolygonen hergeleitet. Diese bestehen aus zwei gerichteten Pfaden auf dem Quadratgitter mit denselben Start- und Endpunkten, aber ohne gemeinsame Vertizes dazwischen. Es wird die asymptotische Verteilung der Fläche im Limes eines großen Umfangs untersucht, wobei die Gleichverteilung auf allen Polygonen desselben festen Umfangs mit vorgeschriebener Symmetrie angenommen wird. Die Grenzverteilungen sind, abgesehen von einigen trivialen Fällen, die Flächenverteilungen der Brownschen Exkursion und des Brownschen Mäanders.
Im fünften Kapitel werden schließlich zwei Klassen von selbstmeidenden Polygonen auf dem Quadratgitter abgezählt, d.h. ihre erzeugenden Funktionen werden ausgerechnet und analysiert. Es handelt sich dabei um "vorausschauende Polygone" (prudent polygons), d.h. beim Durchlaufen der Randkurve von einem ausgezeichneten Startvertex zum Endvertex wird nie ein Schritt in Richtung eines bereits besuchten Vertex gegangen. Für die erzeugende Funktion der allgemeinen Klasse solcher Polygone kann man bis dato nur ein System von Funktionalgleichungen angeben. Erfolgreicher dagegen sind die Untersuchungen zu zwei natürlichen Unterklassen. Diese können vollständig gelöst, d.h. ihre erzeugenden Funktionen explizit angegeben werden. Die erzeugende Funktion der kleineren Klasse ist algebraisch und unter anderem Namen schon aus der Literatur bekannt. Für die erzeugende Funktion der größeren Klasse wird eine Darstellung als unendliche Reihe von algebraischen Funktionen angegeben. Für diese wird gezeigt, dass sie keine lineare Differentialgleichung mit polynomialen Koeffizienten erfüllt.The first chapter is an introduction which puts the subsequent chapters into the respective scientific contexts. After that, the second chapter deals with random tilings of a hexagon with 60-degree unit rhombi with fixed boundary conditions. Every tiling of a hexagon with integer side lengths r,s,t is considered equally probable and the limiting behaviour is studied as r,s and t tend to infinity proportionally. Certain statistics behave like the eigenvalues of a large random matrix of the Gaussian Unitary Ensemble. This is discussed exhaustively in the literature. In Chapter 2 it is shown that these distributions also occur in the sub-ensemble of symmetric tilings or, equivalently, in tilings of the "half-hexagon". As a by-product an "arctic circle phenomenon" is proven: There is a highly ordered and a highly unordered regime with a sharp boundary between the two being the inscribed ellipse. This phenomenon has so far only been conjectured for this sub-ensemble in a paper by Forrester and Nordenstam.
The third chapter is on plane partitions fitting inside an r times s times t box. These are r times s matrices with non-negative integer entries less than or equal to t, such that entries are decreasing monotonically along rows and columns. The volume is the sum of the entries. For fixed r,s,t the uniform distribution is considered and it is shown that the centred and normalised volume random variables converge weakly to the the standard normal distribution as two values of r,s and t tend to infinity. Analogous assertions are shown to hold true for symmetry sub-classes.
In Chapter 4 area limit laws for symmetry classes of staircase polygons are derived. These consist of two directed paths on the square lattice sharing the same starting and terminal vertex but no vertex in between. We consider the uniform distribution on all polygons of a given fixed perimeter with a prescribed symmetry and study the asymptotic distribution of area in the limit of a large perimeter. In the interesting cases these limiting distributions are the area distributions of the Brownian excursion and the Brownian meander.
In Chapter 5 two classes of self-avoiding polygons on the square lattice are enumerated, i.e. their generating functions are computed and analysed. The classes in question are so-called prudent polygons, i.e. the boundary walk starting at a distinguished vertex and ending at a vertex adjacent to this vertex never takes a step towards an already occupied vertex. For the general class of these polygons so far only a system of functional equations is known. In Chapter 5 two sub-classes are solved, i.e. their generating functions are computed explicitly. One class has already occurred in the literature under a different name and has an algebraic generating function. The generating function of the other class is given as an infinite series of algebraic functions. Careful analysis shows that this function cannot satisfy a linear differential equation with polynomial coefficients
Exploring the impact of external shading system on cognitive task performance, alertness and visual comfort in a daylit workplace environment
No full textThe authors examined the effect of external shading system on cognitive performance, alertness and visual comfort of visual display terminal (VDT) users under two realistic office lighting settings in this study. Daylight was the source of illumination being considered as the most significant and preferred one. A total of 26 participants performed visual and cognitive demanding tasks as well as providing subjective alertness, performance and visual evaluations in a full-scale mock-up VDT workstation. Two trials (with and without shading system) were executed during one experimental session. Results revealed that the use of a shading system improves the performance of a user on colour-naming task requiring sustained attention, while no differential effects were observed on tasks involving other cognitive skills such as search velocity and vigilance. Within-subject performance differences were more pronounced during morning hours. Higher performance was reported in some cognitive tests when the subjective sensation of visual discomfort was lower
Variations on the Author
No full text“Variations on the Author” discusses two of Eduardo Coutinho’s recent films (Um Dia na Vida, from 2010, and Últimas Conversas, posthumously released in 2015) and their contribution to the general question of documentary authorship. The director’s filmography is characterized by a consistent yet self-effacing form of authorial self-inscription: Coutinho often features as an interviewer that rather than express opinions propels discourses; an interviewer that is good at listening. This mode of self-inscription characterizes him as an author who is not expressive but who is nonetheless markedly present on the screen. In Um Dia na Vida, however, Coutinho is completely absent form the image, while Últimas Conversas, on the contrary, includes a confessional prologue that moves the director from the margins to the center of his films. This article examines the ways in which these works stand out in the filmography of a director who offers new insights into the notion of cinematic authorship
Suppl_1_GSJ - Complete Traumatic Spinal Cord Injury: Current Insights Regarding Timing of Surgery and Level of Injury
No full textSuppl_1_GSJ for Complete Traumatic Spinal Cord Injury: Current Insights Regarding Timing of Surgery and Level of Injury by Paula Valerie ter Wengel, Yvette De Haan, Ricardo E. Feller, F. Cumhur Oner and William Peter Vandertop in Global Spine Journal</p
[Newspaper Clipping: Author Claims Evidence of Second JFK Assassin #1]
No full textNewspaper article titled "Author Claims Evidence of Second JFK Assassin." The article states that author Richard J. Whalen concluded "that there is circumstantial evidence to support the theory of a second assassin in the shooting of President John F. Kennedy.
Also By The Same Author: AKTiveAuthor, a Citation Graph Approach to Name Disambiguation
No full textThe desire for definitive data and the semantic web drive for inference over heterogeneous data sources requires co-reference resolution to be performed on those data. In particular, name disambiguation is required to allow accurate publication lists, citation counts and impact measures to be determined. This paper describes a graph-based approach to author disambiguation on large-scale citation networks. Using self-citation, co-authorship and document source analyses, AKTiveAuthor clusters papers, achieving precision of 0.997 and recall of 0.818 over a test group of eight surname clusters
John F. Kennedy telegram to Roosevelt
No full textJersey Homesteads (later the Borough of Roosevelt) was established in the 1930s as an agro-industrial cooperative community. It was established specifically for urban Jewish garment workers, many of whom had emigrated from Europe. President John F. Kennedy sent a telegram to the citizens of Roosevelt, New Jersey, apologizing for not being able to attend the memorial dedication in honor of former President Franklin Delano Roosevelt. (Jersey Homesteads became Roosevelt in 1945 in honor of the president.) President Kennedy expressed his gratitude to the people of Roosevelt for constructing the memorial, and commented that it will serve as a constant reminder of Roosevelt's good works
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