cometadata/datacite-rtg-text-other-reclassification-records huggingface dataset:
The Blue Glow from the Back Row: The Impact of New Technologies on the Adolescent Experience of Live Theatre
Creators: name: Richardson, John M
Publisher: name: Université d'Ottawa / University of Ottawa
Year: 2010
Subjects: subject: Education, Performing Arts.
subject: Theater.
subject: Multimedia Communications.

description: This article considers the impact of new technologies on the adolescent experience of live, literary theatre. Drawing together the work of theorists in literacies, new technologies and audience studies, together with brain research, and the results of a focus group of four secondary students who have seen four plays at Canada's National Arts Centre, it examines the consequences of young people's immersion in digital culture and the new mindset that often results. The expectation of instant access to data, inter-connectivity, stimulation and control can make it difficult for adolescents to decode the metaphorical aspects of a theatrical performance. The article concludes that language arts and dramatic arts educators have a key role in teaching students how to decode---and therefore enjoy and appreciate---a play. Keywords: theatre, new technologies, new literacies, school audiences, youth audiences, discourse, space, audience studies
title: Effectiveness of a Web-Based Intervention in Reducing Depression and Sickness Absence
title: Randomized Controlled Trial
titleType: Subtitle
Creators: name: Beiwinkel, Till
name: Eissing, Tabea
name: Telle, Nils-Torge
name: Siegmund-Schultze, Elisabeth
name: Roessler, Wulf
Publisher: name: Charité - Universitätsmedizin Berlin
Year: 2017

description: Background: Depression is highly prevalent in the working population and is associated with significant loss of workdays; however, access to evidence- based treatment is limited. Objective: This study evaluated the effectiveness of a Web-based intervention in reducing mild to moderate depression and sickness absence. Methods: In an open-label randomized controlled trial, participants were recruited from a large-scale statutory health insurance and were assigned to two groups. The intervention group had access to a 12 week Web-based program consisting of structured interactive sessions and therapist support upon request. The wait-list control group had access to unguided Web- based psycho-education. Depressive symptoms were self-assessed at baseline, post-treatment, and follow-up (12 weeks after treatment) using the Patient Health Questionnaire (PHQ-9) and Beck Depression Inventory (BDI-II) as primary outcome measures. Data on sickness absence was retrieved from health insurance records. Intention-to-treat (ITT) analysis and per-protocol (PP) analysis were performed. Results: Of the 180 participants who were randomized, 88 completed the post-assessment (retention rate: 48.8%, 88/180). ITT analysis showed a significant between-group difference in depressive symptoms during post- treatment in favor of the intervention group, corresponding to a moderate effect size (PHQ-9: d=0.55, 95% CI 0.25-0.85, P
Carbon cycling in northern temperate lakes
Creators: name: Dubois, Kristal D
Publisher: name: Université d'Ottawa / University of Ottawa
Year: 2006
Subjects: subject: Geology.
subject: Biogeochemistry.
subject: Biology, Limnology.
subject: Geochemistry.

description: We present two novel stable isotope methods for measuring lake metabolism and compare the results to traditional techniques. The delta 18O method measures planktonic gross primary production (GPP) from dissolved oxygen concentrations, isotopes and respiration (R) and the delta 13C method measures "whole-lake" GPP and R from dissolved oxygen and carbon concentrations and isotopes. All three methods showed GPP was greater than R over the ice-free season and estimates of GPP were not significantly different. There was also no significant difference in R as measured by bottle incubations and the delta13C method. However, the delta 13C method does not account for inputs of external carbon which will result in underestimation of R and overestimation of GPP. In systems with significant allochthonous carbon inputs, the delta13C method cannot be accurate unless these inputs are accounted for. The delta18O method was used to measure metabolic parameters of twenty-one northern temperate lakes and showed GPP dominated over R during the ice-free season. GPP and R were most strongly correlated with lake temperature, which in turn is a function of the amount of solar radiation received by the lake. Our results imply that it is this solar radiation that drives planktonic gross primary productivity, which in turn drives the majority of planktonic respiration. Variation in dissolved organic carbon only explained 8% of the variation in planktonic R, while variation in planktonic GPP explained approximately 80% of the variation in planktonic R. Despite general autotrophy in the lakes, they were generally oversaturated in CO2 during the ice-free season, on average 252+/-25%. However, we found little evidence to conclude that this was the result of an excess of in situ respiration over production. The magnitude of the annual excess of R over GPP was not sufficient to account for the flux to the atmosphere. Moreover, carbon evasion was not a function of respiratory flux, nor did the isotopic signature of dissolved CO2 in the lakes present evidence of respiration. Groundwater inputs of carbon dioxide represent a plausible source for carbon dioxide oversaturation in some but not all of the lakes sampled.
Dynamic gait stability index using a fuzzy logic model
Creators: name: Biswas, Ajoy
Publisher: name: Université d'Ottawa / University of Ottawa
Year: 2006
Subjects: subject: Engineering, Biomedical.
subject: Engineering, Mechanical.

description: The field of physical rehabilitation needs a quantitative technique for measuring dynamic gait stability (walking stability) to make decisions regarding treatment, assistive devices, potential for falls, and to track progress during rehabilitation. This measure should be easily applied in a clinical setting, valid across physical disabilities, and must provide a quantitative index that can be used for comparisons over a range of tasks and environments. This research project developed and evaluated a gait stability index using a portable pressure measurement system. This study examined current stability analysis methods and evaluated dynamic gait stability assessment parameters. Six gait parameters were identified and extracted from a commercial foot pressure measurement system (F-Scan). A fuzzy logic controller combined the six parameters and generated an index value. Fifteen healthy subjects were evaluated at four stability levels. All parameter combinations (57 indices in total) were assessed to isolate the most effective index.
4G and beyond in Australia: Technologies and opportunities in the NBN era
Creators: name: Luo, Lin
name: Davis, Linda
name: Grant, Alex
Publisher: name: Swinburne
Year: 2024

description: Fourth-generation cellular mobile wireless broadband systems are currently being trialled and deployed in Australia and around the world. This next generation is driven by increasing customer demand for ubiquitous access and higher data rates, the opportunity for increased revenues and lower costs for network operators, and the pursuit of more efficient, harmonised and profitable spectrum by regulators. Focusing on the 3GPP evolution path, we present an overview of technologies for 4G and beyond, and consider the opportunities in Australia in terms of spectrum, future wireless networks, and the National Broadband Network.
Mercury dynamics in sediments of the St Lawrence River near Cornwall, Ontario
Creators: name: Delongchamp, Tania Mylene
Publisher: name: Université d'Ottawa / University of Ottawa
Year: 2006
Subjects: subject: Hydrology.
subject: Environmental Sciences.
subject: Geochemistry.

description: The St. Lawrence River near Cornwall, Ontario was designated an Area of Concern by the International Joint Commission in 1985. Sediments from the Area of Concern have historically been contaminated with mercury (Hg), and although concentrations have decreased since the 1970s they still remain high. Several sediment cores were collected from three sites within the Area of Concern in 2004/05, to determine whether sediments act as a source or sink of mercury. The three sites were chosen based on their proximity to former Hg dischargers, including a chlor-alkali plant, a pulp and paper mill, and a textile mill. Sediment and pore water phases were analyzed for total mercury (THg) and methyl mercury (MeHg) and cores were dated using radioisotope analaysis to determine sedimentation and Hg accumulation rates, and to study the record of Hg contamination over the past half century. Total mercury in sediments from the three sites ranged from 0.7 to 60 mug g-1 and methyl mercury ranged from 0.02 to 0.7 mug g-1. Surface sediments had much lower Hg concentrations than deeper sediments, however they still exceeded sediment quality guidelines for the protection of aquatic organisms. The diffusional flux from the sediment to the overlying water ranged from 1.2--48.2 ng cm-2 yr-1 for THg and 1.2--14.6 ng cm-2 yr-1 for MeHg, but was small when compared to the flux of particulate bound mercury being deposited to the sediment (70--309 ng cm-2 yr-1). These results showed that post-depositinal redistribution did not alter the Hg profile and trends in sediment Hg concentration corresponded well with source histories. Dated cores showed that mercury accumulation rates prior to 1970 were up to 60 times higher than current rates. Recent collections have indicated that fish from one specific site (Lamoureux Park) have higher Hg levels than fish collected from other sites along the Cornwall waterfront. This could not be explained by differences in the Hg flux or THg concentrations between sites however, the highest levels of sediment MeHg, the highest proportions of MeHg to THg in both sediment and pore water, and the highest rate of methane production in sediments were observed at the this site. At present, the contaminated sediments appear to act as a net sink for total mercury, yet they remain a potential source of MeHg to the food web and the river system.
Sex-specific phenotypes of hyperthyroidism and hypothyroidism in mice
Creators: name: Rakov, Helena
name: Engels, Kathrin
name: Hönes, Georg Sebastian
name: Strucksberg, Karl-Heinz
name: Moeller, Lars Christian
name: Köhrle, Josef
name: Zwanziger, Denise
name: Führer, Dagmar
Publisher: name: Charité - Universitätsmedizin Berlin
Year: 2016
Subjects: subject: Thyroid hormone transport
subject: Thyroid hormone action
subject: Hyperthyroidism
subject: Hypothyroidism
subject: Sex difference
subject: Sex steroid hormone
subject: Mice
subject: 600 Technik, Medizin, angewandte Wissenschaften::610 Medizin und Gesundheit

description: Background Thyroid dysfunction is more common in the female population, however, the impact of sex on disease characteristics has rarely been addressed. Using a murine model, we asked whether sex has an influence on phenotypes, thyroid hormone status, and thyroid hormone tissue response in hyper- and hypothyroidism. Methods Hypo- and hyperthyroidism were induced in 5 -month-old female and male wildtype C57BL/6N mice, by LoI/MMI/ClO4 − or T4 i.p. treatment over 7 weeks, and control animals underwent sham treatment (N = 8 animals/sex/treatment). Animals were investigated for impact of sex on body weight, food and water intake, body temperature, heart rate, behaviour (locomotor activity, motor coordination, and strength), liver function, serum thyroid hormone status, and cellular TH effects on gene expression in brown adipose tissue, heart, and liver. Results Male and female mice showed significant differences in behavioural, functional, metabolic, biochemical, and molecular traits of hyper- and hypothyroidism. Hyperthyroidism resulted in increased locomotor activity in female mice but decreased muscle strength and motor coordination preferably in male animals. Hypothyroidism led to increased water intake in male but not female mice and significantly higher serum cholesterol in male mice. Natural sex differences in body temperature, body weight gain, food and water intake were preserved under hyperthyroid conditions. In contrast, natural sex differences in heart rate disappeared with TH excess and deprivation. The variations of hyper- or hypothyroid traits of male and female mice were not explained by classical T3/T4 serum state. TH serum concentrations were significantly increased in female mice under hyperthyroidism, but no sex differences were found under eu- or hypothyroid conditions. Interestingly, analysis of expression of TH target genes and TH transporters revealed little sex dependency in heart, while sex differences in target genes were present in liver and brown adipose tissue in line with altered functional and metabolic traits of hyper- and hypothyroidism. Conclusions These data demonstrate that the phenotypes of hypo- and hyperthyroidism differ between male and female mice and indicate that sex is an important modifier of phenotypic manifestations.
Leaky bucket analysis by means of separate mutually dependent queues.
Creators: name: Hajjar, Bassem.
Publisher: name: Université d'Ottawa / University of Ottawa
Year: 1999
Subjects: subject: Engineering, Electronics and Electrical.

description: The leaky bucket admission control scheme has been introduced as the congestion control mechanism of choice for Broadband networks. The leaky bucket is flexible and capable of accommodating fluctuations in traffic. In today's high-speed networks, it is preferred over traditional window based flow control as a traffic regulation and congestion avoidance mechanism. This thesis attempts to model the performance of the leaky bucket mechanism by analyzing it in two separate yet mutually dependent queues. This method, due to its simplicity, can easily model variations of the leaky bucket scheme. By separating the analysis of the two queues, the model can be quickly adapted if the assumptions change. In addition, the thesis uses the results to analyze the performance of two variants of the leaky bucket.
The CRADLE vital signs alert: qualitative evaluation of a novel device designed for use in pregnancy by healthcare workers in low-resource settings
Creators: name: Nathan, Hannah L.
name: Boene, Helena
name: Munguambe, Khatia
name: Sevene, Esperança
name: Akeju, David O.
name: Adetoro, Olalekan O.
name: Charanthimath, Umesh
name: Bellad, Mrutyunjaya B.
name: De Greeff, Annemarie
name: Anthony, John
name: Hall, David R.
name: Steyn, Wilhelm
name: Vidler, Marianne
name: Von Dadelszen, Peter
name: Chappell, Lucy C.
name: Sandall, Jane
name: Shennan, Andrew H.
Publisher: name: BioMed Central
Year: 2018

description: Background: Vital signs measurement can identify pregnant and postpartum women who require urgent treatment or referral. In low-resource settings, healthcare workers have limited access to accurate vital signs measuring devices suitable for their environment and training. The CRADLE Vital Signs Alert (VSA) is a novel device measuring blood pressure and pulse that is accurate in pregnancy and designed for low-resource settings. Its traffic light early warning system alerts healthcare workers to the need for escalation of care for women with hypertension, haemorrhage or sepsis. This study evaluated the usability and acceptability of the CRADLE VSA device. Methods: Evaluation was conducted in community and primary care settings in India, Mozambique and Nigeria and tertiary hospitals in South Africa. Purposeful sampling was used to convene 155 interviews and six focus groups with healthcare workers using the device (n = 205) and pregnant women and their family members (n = 41). Interviews and focus groups were conducted in the local language and audio-recorded, transcribed and translated into English for analysis. Thematic analysis was undertaken using an a priori thematic framework, as well as an inductive approach. Results: Most healthcare workers perceived the CRADLE device to be easy to use and accurate. The traffic lights early warning system was unanimously reported positively, giving healthcare workers confidence with decision-making and a sense of professionalism. However, a minority in South Africa described manual inflation as tiring, particularly when measuring vital signs in obese and hypertensive women (n = 4) and a few South African healthcare workers distrusted the device’s accuracy (n = 7). Unanimously, pregnant women liked the CRADLE device. The traffic light early warning system gave women and their families a better understanding of the importance of vital signs in pregnancy and during the postpartum period. Conclusion: The CRADLE device was well accepted by healthcare workers from a range of countries and levels of facility, including those with no previous vital signs measurement experience. The device motivated women to attend primary care and encouraged them to accept treatment and referral.
Prisoners of the home front: A social study of the German internment camps of southern Quebec, 1940-1946.
Creators: name: Auger, Martin F.
Publisher: name: Université d'Ottawa / University of Ottawa
Year: 2000
Subjects: subject: History, Canadian.

description: During the Second World War (1939--1945), five internment camps were created on the south shore of the St. Lawrence river for the incarceration of male individuals of German descent. They were known as Farnham, Grande Ligne, Ile-aux-Noix, Sherbrooke (Newington) and Sorel. Their goal was to neutralize any potential threat to the defence of the Canadian nation. With the entire country being mobilized for war, the security of the homefront was necessary. Any person suspected of sympathizing with the enemy was perceived as a potential "spy and Saboteur" and was incarcerated in internment camps. Individuals of German origin were no exception. During the first phase of southern Quebec's internment operation, 1940--1943, civilians formed the bulk of the inmates while during the second phase, 1942--1946, it was prisoners of war. This thesis analyzes how the region's internment operation developed. It deals primarily with the issue of life behind the barbed wires and how psychological strains came to affect inmates. It also looks at how Canadian authorities attempted to counter such problems by introducing labour projects and re-educational programs. This case study of southern Quebec demonstrates that the internment camp operation in Canada was an integral part of the effort to produce total war.
Wir fördern Ihre Innovationen
Creators: name: (:Unkn) Unknown
Publisher: name: Umweltbundesamt
Year: 2018
Subjects: subject: Innovation
subject: Kleine und mittlere Unternehmen
subject: Öko-Innovation
subject: Umweltinnovationsprogramm
subject: Kleine und mittelständische Unternehmen
subject: Umweltinnovation
subject: Förderprogramme
subject: Wirtschaft | Konsum

description: Das Umweltinnovationsprogramm (UIP ) existiert seit 1979. Im Rahmen dieses Programms fördert das Bundesministerium für Umwelt, Naturschutz und nukleare Sicherheit (BMU ) Projekte mit Demonstrationscharakter zur Vermeidung und Verminderung von Umweltbelastungen, vor allem in kleinen und mittelständischen Unternehmen. Die Betreuung der Vorhaben erfolgt in enger Kooperation zwischen der KfWBankengruppe (KfW) und dem Umweltbundesamt (UBA ). Das Faltblatt stellt das Förderprogramm vor. Wer und was kann gefördert werden? Wie erfolgt die Antragstellung? Quelle: https://www.umweltbundesamt.de
description: Das Umweltinnovationsprogramm (⁠UIP⁠) existiert seit 1979. Im Rahmen dieses Programms fördert das Bundesministerium für Umwelt, Naturschutz und nukleare Sicherheit (⁠BMU⁠) Projekte mit Demonstrationscharakter zur Vermeidung und Verminderung von Umweltbelastungen, vor allem in kleinen und mittelständischen Unternehmen. Die Betreuung der Vorhaben erfolgt in enger Kooperation zwischen der ⁠KfW⁠ Bankengruppe (KfW) und dem Umweltbundesamt (⁠UBA⁠). Das Faltblatt stellt das Förderprogramm vor. Wer und was kann gefördert werden? Wie erfolgt die Antragstellung?
Normalization of natural killer cell activity with effective antiretroviral therapy coincides with restoration of natural killer cell receptor expression.
Creators: name: Parato, Karl G.
Publisher: name: Université d'Ottawa / University of Ottawa
Year: 2001
Subjects: subject: Biology, Molecular.

description: Natural Killer (NK) cell function is likely important in the control of HIV infection. We evaluated the impact of potent antiretroviral therapy (ART) on NK cell number and activity in ART naive patients over a period of 48 weeks. To address potential mechanisms of restored NK activity with ART a cross-sectional study was undertaken to evaluate surface expression of CD94, CD158a, CD158b, p70 and CD161, receptors known to regulate NK cell cytolytic activity. Median baseline NK activity was 56.09 lytic units for 10% lysis (LU10) and decreased to 28.18 LU10 and 18.42 LU10 at 8 and 24 weeks respectively, levels similar to HIV seronegative individuals. Expression of CD158a, and CD161 was greater in individuals not receiving ART as compared individuals receiving ART or HIV seronegative individuals. Normalization of NK cytolysis due to ART coincides with restoration of NK receptor expression, indicating a role for NK activity in HIV immunopathogenesis.
Protein kinase C regulates AMPA receptor auxiliary protein Shisa9/CKAMP44 through interactions with neuronal scaffold PICK1
Creators: name: Kunde, Stella-Amrei
name: Rademacher, Nils
name: Zieger, Hanna
name: Shoichet, Sarah A.
Publisher: name: Charité - Universitätsmedizin Berlin
Year: 2017
Subjects: subject: 600 Technik, Medizin, angewandte Wissenschaften::610 Medizin und Gesundheit

description: Synaptic α-amino-3-hydroxyl-5-methyl-4-isoxazole-propionate (AMPA) receptors are essential mediators of neurotransmission in the central nervous system. Shisa9/cysteine-knot AMPAR modulating protein 44 (CKAMP44) is a transmembrane protein recently found to be present in AMPA receptor-associated protein complexes. Here, we show that the cytosolic tail of Shisa9/CKAMP44 interacts with multiple scaffold proteins that are important for regulating synaptic plasticity in central neurons. We focussed on the interaction with the scaffold protein PICK1, which facilitates the formation of a tripartite complex with the protein kinase C (PKC) and thereby regulates phosphorylation of Shisa9/CKAMP44 C-terminal residues. This work has implications for our understanding of how PICK1 modulates AMPAR-mediated transmission and plasticity and also highlights a novel function of PKC.
An epidemiologic investigation of snowboarding injuries: Rates and risk factors.
Creators: name: Lipskie, Tammy L.
Publisher: name: Université d'Ottawa / University of Ottawa
Year: 2000
Subjects: subject: Health Sciences, Public Health.

description: This thesis study employed epidemiologic methods to investigate snowboarding injuries and, where appropriate, included alpine skiing injuries. There were two components: a descriptive component and an etiologic component. The injuries were described as proportions of the total number of respective sports injuries. Crude, specific and standardized injury rates were calculated. A variant of the case-control design was then used to identify potential risk factors for the more severe snowboarding injuries. This project built upon previous studies and contributes to the growing body of knowledge regarding snowboarding injuries. The large sample size provided statistical power often lacking in other studies. This project investigated 2,501 snowboarding injuries experienced at 71 ski centres across the province of Quebec during the 1996/97 ski season. The descriptions of snowboarding injuries in this project reinforce what has been published. However, the additional information provided by the participation data permits assessment of age and sex distributions in the injured sports enthusiasts. (Abstract shortened by UMI.)
Iterative Time-Reversed Ultrasonically Encoded Light Focusing in Backscattering Mode
Creators: name: Ruan, Haowen
name: Jang, Mooseok
name: Judkewitz, Benjamin
name: Yang, Changhuei
Publisher: name: Charité - Universitätsmedizin Berlin
Year: 2014
Subjects: subject: 600 Technik, Medizin, angewandte Wissenschaften::610 Medizin und Gesundheit

description: The Time-Reversed Ultrasound-Encoded (TRUE) light technique enables noninvasive focusing deep inside scattering media. However, the time-reversal procedure usually has a low signal-to-noise ratio because the intensity of ultrasound-encoded light is intrinsically low. Consequently, the contrast and resolution of TRUE focus is far from ideal, especially in the backscattering geometry, which is more practical in many biomedical applications. To improve the light intensity and resolution of TRUE focus, we developed an iterative TRUE (iTRUE) light focusing technique that employs the TRUE focus itself as a signal source (rather than diffused light) for subsequent TRUE procedures. Importantly, this iTRUE technique enables light focusing in backscattering mode. Here, we demonstrate the concept by focusing light in between scattering layers in a backscattering configuration and show that the light intensity at the focus is progressively enhanced by a factor of ~20. By scanning across a fluorescent bead between these two scattering layers, the focusing resolution in the ultrasound axial and lateral directions was improved ~2-fold and ~3-fold, respectively. We further explored the application of iTRUE in biological samples by focusing light between 1 mm thick chicken tissue and cartilage, and light intensity enhancements of the same order were also observed.
An investigation of the low temperature properties of plain and reinforced concrete slabs.
Creators: name: Jain, Satyendra Kumar.
Publisher: name: Université d'Ottawa / University of Ottawa
Year: 1968
Subjects: subject: Engineering, Civil.

description: The object of this investigation was to determine the behavior of plain and reinforced cement concrete with regard to temperature in the range from -100°F to +140°F. The effects of temperature, strength of concrete, percentage of steel, and arrangement of steel on the coefficient of thermal expansion were studied. Results at the age of 15 days and 30 days are not satisfactory partly due to experimental error. However, the results at the age of 84 days are very satisfactory. Below freezing point of water the coefficient of thermal expansion of plain concrete is 2.44 x 10-6 per degree F for w/c ratio 0.708 and 3.43 x 10-6 per degree F for w/c ratio 0.434. For reinforced concrete with 5.5% steel these values are 3.82 x 10 -6 per degree F for w/c ratio 0.708 and 4.68 x 10-6 per degree F for w/c ratio 0.434. Above freezing point of water the coefficient of thermal expansion of plain concrete is 3.14 x 10-6 per degree F for w/c ratio 0.708 and 4.03 x 10-6 per degree F for w/c ratio 0.434. For reinforced concrete with 5.5% steel these values are 4.49 x 10-6 per degree F for w/c ratio 0.708 and 5.37 x 10 -6 per degree F for w/c ratio 0.434.
Automated Ethical Requirements Classification in AI: The ERC4AI Approach
Creators: name: de Freitas Ximenes, Elizangela
name: Canedo, Edna Dias
Publisher: name: Zenodo
Year: 2025
Subjects: Ethics in Artificial Intelligence
Ethical Requirements
Natural Language Processing
Machine Learning
Requirements Classification

description: Context: The operationalization of AI ethical principles during the requirements engineering phase is paramount for creating ethically aligned AI systems. However, ethical requirements classification remains a significant challenge due to the abstract nature of ethical principles and the lack of practical tools to support developers. Objective: We introduce the EthicalRequirements4AI, a dataset comprising 1,091 annotated requirements, including ethical and non-ethical requirements. We also provide the Ethical Requirements Classification for AI (ERC4AI), a model for classifying requirements based on AI ethical principles. Method: Passenger Flow and PROMISE datasets were used to construct the EthicalRequirements4AI dataset, encompassing \textcolor{blue}{385 requirements aligned with 11 AI ethical principles and 706 non-ethical requirements.} Three language models – XLM-RoBERTa, BERT, and DistilBERT – were evaluated for multi-label classification task. Results: BERT demonstrated the strongest overall performance among the evaluated models (XLM-RoBERTa, BERT, and DistilBERT) for multi-label classification, achieving a Macro F1-score of 0.77 and a Weighted F1-score of 0.83 on the test set. While BERT showed the best aggregate results, performance varied across different ethical principles.} Conclusions: ERC4AI offers a novel approach for researchers and developers to address ethical concerns early in AI development. The dataset and models are publicly available to foster further research and advancements in practical AI ethics.
Reduced complexity Volterra-type filters for non-linear modelling.
Creators: name: Jaszczur, Chris Michael.
Publisher: name: Université d'Ottawa / University of Ottawa
Year: 2002
Subjects: subject: Engineering, Electronics and Electrical.

description: Volterra filters are a popular choice for modelling many nonlinear systems, in part due to their generality and simplicity in implementation and adaptation. This thesis addresses one often cited problem with this class of filters: the large increase in the number of terms in the filter for small increases in order or memory. Adaptive algorithms are presented which allow much smaller filters to perform near the performance (in terms of residual error) of the full Volterra filters. The complexity is maintained at reasonable levels by only representing the terms that are critical in reducing the error. An alternative representation with real valued exponents is introduced from the Volterra series representation, and is used to determine the optimum nonlinear filter (in the mean squared error sense) from this class of filters. Examples verifying the performance of the proposed algorithms are presented. These algorithms allow the design of models of much higher order than currently used for such problems as loudspeaker equalization, image processing, and noise removal, among others.
Développement de la compréhension de la dissimulation des émotions chez les enfants d'âge scolaire
Creators: name: Perron, Mélanie
Publisher: name: Université d'Ottawa / University of Ottawa
Year: 2006
Subjects: subject: Psychology, Clinical.

description: Cette thèse de doctorat a pour but d'examiner le développement de la compréhension de la dissimulation émotionnelle au cours de l'enfance. Le premier objectif est d'examiner le développement de la justesse et de la complexité du raisonnement des enfants lorsqu'ils doivent expliquer les raisons pour lesquelles une personne dissimule son émotion. Le deuxième objectif est de comprendre la nature des difficultés rencontrées par les enfants dans le développement de la compréhension de la dissimulation. Quatre études ont été menées dans le but de répondre à ces objectifs. Dans chacune d'elle, une épreuve de compréhension a été administrée à des enfants âgés entre 5 et 10 ans. Les enfants devaient écouter de courtes histoires dans lesquelles le personnage principal était motivé à dissimuler l'expression de son émotion. La tâche des enfants était d'indiquer les émotions réelles et apparentes du personnage principal et d'expliquer leurs choix. Les résultats ont révéle que les enfants de 9-10 ans comprennent mieux la distinction entre les émotions réelles et apparentes que ceux de 5-6 ans et que leur raisonnement est plus juste et plus complexe. Les enfants de 5-6 ans ont plus de difficulté à expliquer les raisons qui conduisent une personne à dissimuler une émotion. Ils ont tendance à se representer le phénomène de la dissimulation en termes de changement d'émotion réelle. À cet egard, les analyses ont montré que les enfants de 5-6 ans ont plus de difficulté à comprendre que l'émotion apparente est exprimée au même moment que l'émotion ressentie lorsqu'une personne dissimule son émotion. Enfin, les analyses ont également révélé qu'il est plus difficile pour les jeunes enfants de comprendre l'effet trompeur que la dissimulation peut provoquer chez autrui. En somme, la dissimulation des émotions semble être un phénomène difficile à comprendre pour les jeunes enfants. Le développement de la compréhension de ce phénomène semble s'étendre tout au long de l'enfance.
Fast radio transient searches with UTMOST at 843 MHz
Creators: name: Caleb, M.
name: Flynn, Christopher
name: Bailes, Matthew
name: Barr, Ewan
name: Bateman, T.
name: Bhandari, S.
name: Campbell-Wilson, D.
name: Green, A. J.
name: Hunstead, R. W.
name: Jameson, A.
name: Jankowski, F.
name: Keane, Evan
name: Ravi, V.
name: van Straten, Willem
name: Krishnan, V. Venkataraman
Publisher: name: Swinburne
Year: 2024

description: We report the first radio interferometric search at 843 MHz for fast transients, particularly Fast Radio Bursts (FRBs). The recently recommissioned Swinburne University of Technology's digital backend for the Molonglo Observatory Synthesis Telescope array (the UTMOST) with its large collecting area (18 000 m2) and wide instantaneous field of view (7.80 deg2) is expected to be an efficient tool to detect FRBs. As an interferometer it will be capable of discerning whether the FRBs are truly a celestial population. We show that UTMOST at full design sensitivity can detect an event approximately every few days. We report on two preliminary FRB surveys at about 7 per cent and 14 per cent, respectively, of the array's final sensitivity. Several pulsars have been detected via single pulses and no FRBs were discovered with pulse widths (W), in the range 655.36 μs < W < 41.9 ms and dispersion measures (DMs) in the range 100 < DM < 2000 pc cm-3. This non-detection sets a 2σ upper limit of the sky rate of not more than 1000 events sky−1 d−1 at 843 MHz down to a flux limit of 11 Jy for 1 ms FRBs. We show that this limit is consistent with previous survey limits at 1.4 GHz and 145 MHz and set a lower limit on the mean spectral index of FRBs of α > -3.2.
Regulation of Hepatic UGT2B15 by Methylation in Adults of Asian Descent
Creators: name: Oeser, Steffen G.
name: Bingham, Jon-Paul
name: Collier, Abby C.
Publisher: name: Multidisciplinary Digital Publishing Institute
Year: 2019

description: The hepatic uridine 5′-diphosphate-glucuronosyl transferases (UGTs) are critical for detoxifying endo- and xenobiotics. Since UGTs are also dynamically responsive to endogenous and exogenous stimuli, we examined whether epigenetic DNA methylation can regulate hepatic UGT expression and differential effects of ethnicity, obesity, and sex. The methylation status of UGT isoforms was determined with Illumina Methylation 450 BeadChip arrays, with genotyping confirmed by sequencing and gene expression confirmed with quantitative reverse transcriptase polymerase chain reaction (q-RT-PCR). The UGT1A3 mRNA was 2-fold higher in females than males (p < 0.05), while UGT1A1 and UGT2B7 mRNA were significantly higher in Pacific Islanders than Caucasians (both p < 0.05). Differential mRNA or methylation did not occur with obesity. The methylation of the UGT2B15 locus cg09189601 in Caucasians was significantly lower than the highly methylated locus in Asians (p < 0.001). Three intergenic loci between UGT2B15 and 2B17 (cg07973162, cg10632656, and cg07952421) showed higher rates of methylation in Caucasians than in Asians (p < 0.001). Levels of UGT2B15 and UGT2B17 mRNA were significantly lower in Asians than Caucasians (p = 0.01 and p < 0.001, respectively). Genotyping and sequencing indicated that only UGT2B15 is regulated by methylation, and low UGT2B17 mRNA is due to a deletion genotype common to Asians. Epigenetic regulation of UGT2B15 may predispose Asians to altered drug and hormone metabolism and begin to explain the increased risks for adverse drug reactions and some cancers in this population.
Distinct localization of SNAP47 protein in GABAergic and glutamatergic neurons in the mouse and the rat hippocampus
Creators: name: Münster-Wandowski, Agniezska
name: Heilmann, Heike
name: Bolduan, Felix
name: Trimbuch, Thorsten
name: Yanagawa, Yuchio
name: Vida, Imre
Publisher: name: Charité - Universitätsmedizin Berlin
Year: 2017
Subjects: subject: SNAP47
subject: hippocampus
subject: GABAergic cells
subject: synaptic localization
subject: mossy fiber projection
subject: immunoelectron microscopy
subject: in situ hybridization
subject: 600 Technik, Medizin, angewandte Wissenschaften::610 Medizin und Gesundheit::610 Medizin und Gesundheit

description: Synaptosomal-associated protein of 47 kDa (SNAP47) isoform is an atypical member of the SNAP family, which does not contribute directly to exocytosis and synaptic vesicle (SV) recycling. Initial characterization of SNAP47 revealed a widespread expression in nervous tissue, but little is known about its cellular and subcellular localization in hippocampal neurons. Therefore, in the present study we applied multiple-immunofluorescence labeling, immuno- electron microscopy and in situ hybridization (ISH) and analyzed the localization of SNAP47 in pre- and postsynaptic compartments of glutamatergic and GABAergic neurons in the mouse and rat hippocampus. While the immunofluorescence signal for SNAP47 showed a widespread distribution in both mouse and rat, the labeling pattern was complementary in the two species: in the mouse the immunolabeling was higher over the CA3 stratum radiatum, oriens and cell body layer. In contrast, in the rat the labeling was stronger over the CA1 neuropil and in the CA3 stratum lucidum. Furthermore, in the mouse high somatic labeling for SNAP47 was observed in GABAergic interneurons (INs). On the contrary, in the rat, while most INs were positive, they blended in with the high neuropil labeling. ISH confirmed the high expression of SNAP47 RNA in INs in the mouse. Co-staining for SNAP47 and pre- and postsynaptic markers in the rat revealed a strong co-localization postsynaptically with PSD95 in dendritic spines of pyramidal cells and, to a lesser extent, presynaptically, with ZnT3 and vesicular glutamate transporter 1 (VGLUT1) in glutamatergic terminals such as mossy fiber (MF) boutons. Ultrastructural analysis confirmed the pre- and postsynaptic localization at glutamatergic synapses. Furthermore, in the mouse hippocampus SNAP47 was found to be localized at low levels to dendritic shafts and axon terminals of putative INs forming symmetric synapses, indicating that this protein could be trafficked to both post- and presynaptic sites in both major cell types. These results reveal divergent localization of SNAP47 protein in mouse and rat hippocampus indicating species- and cell type-specific differences. SNAP47 is likely to be involved in unique fusion machinery which is distinct from the one involved in presynaptic neurotransmitter release. Nonetheless, our data suggest that SNAP47 may be involved not only postsynaptic, but also in presynaptic function.
DISCOVERY OF A MILLISECOND PULSAR IN THE 5.4 DAY BINARY 3FGL J1417.5–4402: OBSERVING THE LATE PHASE OF PULSAR RECYCLING
Creators: name: Camilo, F.
name: Reynolds, J. E.
name: Ransom, S. M.
name: Halpern, J. P.
name: Bogdanov, S.
name: Kerr, M.
name: Ray, P. S.
name: Cordes, J. M.
name: Sarkissian, J.
name: Barr, Ewan
name: Ferrara, E. C.
Publisher: name: Swinburne
Year: 2024

description: In a search of the unidentified Fermi gamma-ray source 3FGL. J1417.5-4402 with the Parkes radio telescope, we discovered PSR. J1417-4402, a 2.66 ms pulsar having the same 5.4 day orbital period as the optical and X-ray binary identified by Strader et al. The existence of radio pulsations implies that the neutron star is currently not accreting. Substantial outflows from the companion render the radio pulsar undetectable for more than half of the orbit, and may contribute to the observed H alpha emission. Our initial pulsar observations, together with the optically inferred orbit and inclination, imply a mass ratio of 0.171 +/- 0.002, a companion mass of M-2 = 0.33 +/- 0.03 M-circle dot, and a neutron star mass in the range 1.77 <= M-1 <= 2.13 M-circle dot. However, there remains a discrepancy between the distance of 4.4 kpc inferred from the optical properties of the companion and the smaller radio dispersion measure distance of 1.6 kpc. The smaller distance would reduce the inferred Roche-lobe filling factor, increase the inferred inclination angle, and decrease the masses. As a wide binary, PSR. J1417-4402 differs from the radio-eclipsing black widow and redback pulsars being discovered in large numbers by Fermi. It is probably a system that began mass transfer onto the neutron star after the companion star left the main sequence. The companion should end its evolution as a He white dwarf in a 6-20 day orbit, i.e., as a typical binary millisecond pulsar companion.
3405151.pdf
Creators: name: Clivati, Cecilia
name: Tampellini, Anna
name: Mura, Alberto
name: Levi, Filippo
name: Marra, Giuseppe
name: Galea, Pauline
name: Xuereb, Andre
name: Calonico, Davide
Publisher: name: Optica Publishing Group
Year: 2025
Subjects: Uncategorized

description: arxive containing supplementary material and related figures
Adequate immune response ensured by binary IL-2 and graded CD25 expression in a murine transfer model
Creators: name: Fuhrmann, Franziska
name: Lischke, Timo
name: Gross, Fridolin
name: Scheel, Tobias
name: Bauer, Laura
name: Kalim, Khalid Wasim
name: Radbruch, Andreas
name: Herzel, Hanspeter
name: Hutloff, Andreas
name: Baumgrass, Ria
Publisher: name: Charité - Universitätsmedizin Berlin
Year: 2016
Subjects: subject: 600 Technik, Medizin, angewandte Wissenschaften::610 Medizin und Gesundheit

description: The IL-2/IL-2Ralpha (CD25) axis is of central importance for the interplay of effector and regulatory T cells. Nevertheless, the question how different antigen loads are translated into appropriate IL-2 production to ensure adequate responses against pathogens remains largely unexplored. Here we find that at single cell level, IL-2 is binary (digital) and CD25 is graded expressed whereas at population level both parameters show graded expression correlating with the antigen amount. Combining in vivo data with a mathematical model we demonstrate that only this binary IL-2 expression ensures a wide linear antigen response range for Teff and Treg cells under real spatiotemporal conditions. Furthermore, at low antigen concentrations binary IL-2 expression safeguards by its spatial distribution selective STAT5 activation only of closely adjacent Treg cells regardless of their antigen specificity. These data show that the mode of IL-2 secretion is critical to tailor the adaptive immune response to the antigen amount.
IMPOSTO SOBRE O RENDIMENTO DO TRABALHO NA PERSPECTIVA DO AUMENTO SALARIAL NA FUNÇÃO PÚBLICA EM ANGOLA
Creators: name: João Nteca Zangui
name: Conceição da Silva José Teixeira
Publisher: name: Zenodo
Year: 2025

description: A presente pesquisa tem como tema “Imposto sobre o Rendimento do Trabalho na Perspectiva do Aumento salarial na Função Pública em Angola”, cujo objectivo consiste em analisar o impacto do IRT no aumento salarial na função pública em Angola. Quanto à metodologia, adoptou-se a abordagem qualitativa, de natureza exploratória, fundamentando-se em pesquisa bibliográfica e documental. A regulamentação do imposto é feita pelo Código do IRT, actualizado pela Lei n.º 18/24, de 30 de Dezembro, que aprova o Orçamento Geral de Estado para exercício económico 2025. A estrutura actual do IRT demonstra que 100 mil kwanzas mensais estão isentos, que beneficia os trabalhadores que recebem valores mais baixos, portanto, a partir do 2.º Escalão, e a taxa marginal aumentam gradualmente, começando em 13% e chegando ao tecto de 25% para aqueles que ganham acima de 3 milhões de kwanzas mensais. Os resultados obtidos revelam que a nova estrutura actual do IRT em Angola, mediante o aumento de 25% no salário da função pública pode gerar um aumento da carga tributária para muitos servidores públicos. Assim, embora os salários brutos tenham registado um aumento, o ganho real líquido pode reduzir ou ser parcialmente neutralizado pela elevação da retenção do IRT, o que impacta negativamente o poder de compra dos trabalhadores.
A technique for two-colour particle image velocimetry.
Creators: name: Smallwood, Gregory John.
Publisher: name: Université d'Ottawa / University of Ottawa
Year: 1992
Subjects: subject: Engineering, Mechanical.

description: To study the complex flowfields found in combustion, it is often necessary to acquire an instantaneous overall view of the flowfield. One method of achieving this is two-dimensional velocity mapping with particle image velocimetry (PIV). A two-colour PIV experimental apparatus has been developed expressly to meet the demands of combustion and related flowfields. This technique offers advantages over other PIV methods in that the absolute velocity vector direction is known and data processing requirements are reduced. A method for calculating the mean exposure from particles on colour film, based on Mie scattering theory, is developed. A technique optimized for analysis of two-colour PIV images is described. Two-colour PIV is demonstrated in the wake of a noncombusting n-heptane fuelled bluff-body burner, which presented a suitably complex flowfield including counter-rotating recirculation zones and centreline stagnation points. To complement these results, mean velocities obtained with LDA are also presented. This is the first report of spray velocity measurement by PIV.
Scattering upon a mixed dielectric-conductor body: A time-domain approach.
Creators: name: Gibson, Dan Vladimir.
Publisher: name: Université d'Ottawa / University of Ottawa
Year: 1992
Subjects: subject: Engineering, Electronics and Electrical.

description: A time-domain integral equation technique is presented for calculating the behaviour of a mixed dielectric - conductive body subjected to a transient plane wave. The incident pulse is a smooth Gaussian pulse, approximating a delta function. We develop an original formulation capable of calculating the electric and magnetic fields on or outside the surface of the scatterer from the moment the incident wave hits the target. The result of the calculations is an impulse response providing information, via the Fourier transform, on the distribution of fields over a broad range of frequencies.
What are they seeing? How students predict and explain substitution and elimination reactions
Creators: name: Hunter, Kevin H.
Publisher: name: University of Iowa
Year: 2024
Subjects: public abstract

description: Reasoning about reaction mechanisms has been a noted difficulty for students in organic chemistry. Substitution and elimination reactions often represent the first time that students are required to think about the deeper reasoning behind these processes, but not much research has been done about how students broadly conceptualize these reactions. Here, we focus on developing a description of the ways that students conceptualize bimolecular and unimolecular substitution and elimination reactions. Through the lens of coordination class theory as a theoretical framework, our analysis identifies the visual features students attend to and knowledge they coordinate when reasoning about reaction mechanisms across multiple tasks. Based on the data gathered from ten semi-structured student interviews, we developed representations of the ways students conceptualize the four reaction mechanisms and how they explained and predicted those reaction mechanisms on exam-type tasks. Our data indicates that across tasks, students place a heavier emphasis on the importance of the starting substrate in the outcome of a reaction but less focus on the function of the nucleophile or base in each reaction. Students need support in reasoning about all species in a reaction mechanism and coordinating those features when making predictions about a reaction’s outcome. Based on this, we provide implications for researchers and practitioners.