141 research outputs found
Concepções de literatura e formação de leitores na Biblioteconomia e Ciência da Informação: provocações a partir da obra “Paradigmas do ensino da literatura”, de Rildo Cosson
No full textPresents a review of the book “Paradigms of teaching literature” by Rildo Cosson in order to highlight the contributions to the area of Librarianship and Information Science. Although the work deals with the teaching of literature, the arguments used by the author capable of broadening and proposing a critical view of literature will be listed in this review, whose understanding is of essential relevance to the performance of the librarian in literary reading spaces. It briefly describes the mapping of the six paradigms identified by Cosson exploring as conceptual, methodological and pragmatic dimensions while, from a historical perspective, points out the virtues and limitations present in each model. It ends with the questioning about the concept of literature in the scope of Librarianship and Information Science and the reflection on the importance of a critical positioning for the field.Apresenta uma resenha do livro “Paradigmas do ensino da literatura”, de autoria de Rildo Cosson a fim de destacar suas contribuições para a área da Biblioteconomia e Ciência da Informação (BCI). Embora a obra trate do ensino da literatura, serão elencados, nesta resenha, os argumentos utilizados pelo autor capazes de alargar e de propor uma visão crítica a respeito da literatura, cuja compreensão é de essencial relevância para a atuação da(o) bibliotecária(o) em espaços de leitura literária. Descreve brevemente o mapeamento dos seis paradigmas identificados por Cosson, em suas dimensões conceituais, metodológicas e pragmáticas, ao tempo em que, a partir de uma perspectiva histórica, pontua as virtudes e limitações presentes em cada modelo. Finaliza com o questionamento acerca do conceito de literatura no âmbito da BCI e a reflexão sobre a importância de um posicionamento crítico para o campo
Investigating reasons for the growth and survival of the dinoflagellate genus Neoceratium in oligotrophic subtropical gyres
No full textThe dinoflagellate Neoceratium is frequently observed in oligotrophic subtropical gyres (OSGs) where major inorganic nutrients such as nitrogen and phosphorus are depleted in the surface waters. In Chapter 2, continuous plankton recorder (CPR) data demonstrate that Neoceratium inhabit surface waters of the North Atlantic subtropical gyre (NAG) throughout the year. The presence of Neoceratium in surface waters contrasts with the fact that nutrients are severely depleted in the surface 100 to 130 m. In Chapter 3, it is shown that Neoceratium cannot grow when exposed to low nutrient concentrations comparable to those found in surface waters of OSGs. However, cells are able to survive and re-establish growth after a maximum of >3 weeks of “nutrient starvation”, with signs of stress becoming noticeable after 10 days. In Chapter 4, nutrient ratios in large areas of surface waters of OSGs in the Atlantic are shown to be favourable to mixotrophy (86 % of sites in the North and South Atlantic OSGs). It is estimated that 0.01 to 0.44 ciliates per day would need to be ingested for Neoceratium to survive in these waters. In Chapter 5, growth was only observed when cells were exposed to a range of irradiances (6 to 60 ?mol quanta m-2 s-1), above 22 ?mol quanta m-2 s-1; an irradiance that is typically only found 15 to 22 metres above the nutricline at midday, implying that VM would be required to access the nutricline. A mechanism for VM in OSGs is suggested whereby vertical movement is triggered by phosphate-limitation of cells. In Chapter 6, the thesis concludes with a conceptual model to explain how a number of the above findings likely interact to enable Neoceratium to successfully survive and grow in OSGs
A long-term monitoring database on fish and crayfish species in French rivers
No full textThis repo contains the necessary elements to reproduce the manuscript of the data paper:
Irz P, Vigneron T, Poulet N, Cosson E, Point T, Baglinière E, Porcher J-P. 2022. A long-term monitoring database on fish and crayfish species in French rivers. Knowl. Manag. Aquat. Ecosyst., 423, 25. (DOI: 10.1051/kmae/2022021)
It includes:
the raw and processed data
R functions script
R Markdown files for data data processing and manuscript .docx file production
bibliographic file
assets to illustrate the paper
The project has a Gitlab repo: https://gitlab.ofb.fr/pascal.irz1/aspe_data_paper.
The data presented here cover ~4 decades of electrofishing surveys in mainland France rivers. Despite some changes in field protocols and sampling site locations over time, the ASPE database offers a unique set of 47 869 georeferenced and standardised sampling surveys.
Fish individuals are identified to species, measured and weighted. Additional information encompasses habitat features as well as “river health” assessment by two fish-based indices. Though preferentially focused on fishes, the surveys also report crayfish data.
Numerous studies have been already published using these data, mainly on the fields of macroecology, community and/or population ecology and bioassessment. However, we believe much more knowledge can be gained from the database in fields such as population dynamics or conservation practices in the context of global change
Non-clairvoyant scheduling with progress bars
No full textCitation:
@article{DBLP:journals/corr/abs-2509-19662,
author = {Ziyad Benomar and
Romain Cosson and
Alexander Lindermayr and
Jens Schl{\"{o}}ter},
title = {Non-Clairvoyant Scheduling with Progress Bars},
journal = {CoRR},
volume = {abs/2509.19662},
year = {2025},
url = {https://doi.org/10.48550/arXiv.2509.19662},
doi = {10.48550/ARXIV.2509.19662},
eprinttype = {arXiv},
eprint = {2509.19662},
}In non-clairvoyant scheduling, the goal is to minimize the total job completion time without prior knowledge of individual job processing times. This classical online optimization problem has recently gained attention through the framework of learning-augmented algorithms. We introduce a natural setting in which the scheduler receives continuous feedback in the form of progress bars: estimates of the fraction of each job completed over time. We design new algorithms for both adversarial and stochastic progress bars and prove strong competitive bounds. Our results in the adversarial case surprisingly induce improved guarantees for learning-augmented scheduling with job size predictions. We also introduce a general method for combining scheduling algorithms, yielding further insights in scheduling with predictions. Finally, we propose a stochastic model of progress bars as a more optimistic alternative to conventional worst-case models, and present an asymptotically optimal scheduling algorithm in this setting
Through-transmission laser welding of glass fibre composite: Experimental light scattering identification
No full textNoninvasive Evaluation of Cardiac Function in Non Hypertensive and Asymptomatic Diabetic Patients
No full textBackground & Objectives: Type 2 diabetes is a major cardiovascular risk factor such as HTN, HLP and smoking. A primary diabetic cardiomyopathy represents a high risk factor for heart failure in the absence of ischemic, valvular and hypertensive heart disease in the diabetic population. CAD is more common in diabetic patients and it is almost asymptomatic.
Unquestionably, an early detection of LV damage and CAD is a major goal for the prevention of cardiac disease in the diabetic population.
Methods: This study was done as Cross-Sectional method. The study sample consisted of 40 patients with type 2 diabetes mellitus without hypertension and cardiac symptoms (mean age 47 years) who recourse to diabetes clinic of Ardabil Emam Khomeini Hospital during 2009-2010. Left ventricular (LV) function was studied by echocardiography and exercise test using Bruce protocol. Data from the patients were collected and analyzed using SPSS 17 software.
Results: All studied cases had a normal systolic function. 22 cases (55%) had diastolic dysfunction and 8 people (20%) had a positive stress test, which all had diastolic dysfunction too.
Conclusion: This study showed that an impairment of left ventricular diastolic function occurs early in the natural history of diabetes mellitus and CAD is more common in diabetic patients with diastolic dysfunction
LETRAMENTO LITERÁRIO : UMA PROPOSTA DE EXPERIÊNCIA ESTÉTICA NA FORMAÇÃO DOCENTE
No full textThis article aims to present a literary literacy proposal made with teachers from the municipal school system, from the first cycle of elementar school in Porto Velho – RO. Literary literacy is an object of knowledge presented by the Common National Curriculum Base and we realize the difficulty of teachers in implementign a methodology that develops aesthetic and reflective in children. To develop the proposal, we use the following foundations: Rildo Cosson, Hans Jauss, Wolfang Iser, assuming that the aesthetic experience i salso a reflective and humanizing experience and the teacher should be the mediator in the reader/work contact process. We used the basic sequence methodology proposed by Rildo Cosson divided into four moments: motivation, presentation, Reading and interpretation. The work chosen was O voo do Golfinho by author Ondjaki. The practical activities carried out by the participants evidenced the interest of all in broadening their pedagogical practices, in order to promote, through the schooling of literature, the literary literacy of their students.
Esse artigo tem por objetivo apresentar uma proposta de letramento literário feita com professores da rede municipal de ensino, do primeiro ciclo do ensino fundamental no município de Porto Velho – RO. O letramento literário é um objeto do conhecimento apresentado pela Base Nacional Comum Curricular e percebemos a dificuldade dos professores em executar uma metodologia que desenvolva o estético e o reflexivo nas crianças. Para desenvolver a proposta, utilizamos os seguintes fundamentos: Rildo Cosson, Hans Jauss, Wolfang Iser, partindo do princípio de que a experiência estética é também uma experiência reflexiva e humanizadora e o professor deve ser o mediador no processo do contato leitor/obra. Utilizamos a metodologia da sequência básica, proposta por Rildo Cosson dividida em quatro momentos: motivação, apresentação, leitura e interpretação. A obra escolhida foi O voo do Golfinho do autor Ondjaki. As atividades práticas realizadas pelos professores evidenciaram o interesse de todos em ampliar suas práticas pedagógicas, a fim de promover, pela escolarização da literatura, o letramento literário de seus alunos
O protagonismo negro em O caçador cibernético da rua 13: uma proposta de leitura para o ensino fundamental II
No full textThis work aims to promote the literary reading of the work O caçador cibernético da
Rua 13 by the Brazilian author Fábio Kabral, an exponent of Afrofuturist literature in
our country. This thesis allows a reading in which Afro-descendant people are the
protagonists and seeks to highlight African culture seeking to deconstruct social
stereotypes. In this sense, the research intends to analyze Afrofuturism from black
protagonism perspective as well as the relevance of space and time as constructors of
the process of understanding literary reading, with the aim of expanding cultural
repertoire and critical thinking of students from the 8th year of an elementary school in
Juiz de Fora, Minas Gerais. The teaching of literature has for years excluded the vision
of black people in relation to the African diaspora and its relevance in colonization.
Thus, one aims to rescue the values of African culture, thinking about building a future
in which racism is not perceived as something natural in our society, giving young
readers an opportunity to rethink actions that come from limited knowledge about Afrodescendant culture. It is important to enhance that the work is anchored in Thiollent’s
(2011) “action research” conception, in the conception of literary literacy conceived by
Cosson (2021) and by Paulino and Cosson (2023). The intended activities make use
of the expanded sequence proposed by Cosson (2021), the function cards presented
by Daniels (2002) and adapted by Cosson (2021), and Coscarelli's (1997) protocol
reading postulates. One believes that an investment in such research can make
students more critical in relation to our society as well as lead them to the habit of
reading literature as a movement to build learning.Este trabalho tem por finalidade promover a leitura literária da obra O caçador
cibernético da Rua 13 do autor brasileiro Fábio Kabral, expoente da literatura
afrofuturista em nosso país. Essa obra possibilita uma leitura em que o povo
afrodescendente seja protagonista e procura destacar a cultura africana, buscando
desconstruir estereótipos sociais. Nesse sentido, a pesquisa pretende analisar, junto
aos discentes do 8º ano do ensino fundamental II de uma escola da rede municipal de
Juiz de Fora, Minas Gerais, o Afrofuturismo pela perspectiva do protagonismo negro
bem como a relevância do espaço e do tempo como construtores do processo de
compreensão da leitura literária, com o intento de ampliar o repertório cultural e
estimulando o pensamento crítico. O ensino da literatura exclui há anos a visão do
negro diante da diáspora africana e de sua relevância na colonização. Assim,
objetivamos resgatar os valores da cultura africana pensando na construção de um
futuro em que o racismo não seja apreendido como algo natural em nossa sociedade,
dando ao jovem leitor uma oportunidade de repensar ações que são provenientes de
conhecimentos limitados acerca da cultura afrodescendente. Para tanto, o trabalho
está ancorado no conceito de pesquisa-ação de Thiollent (2011), na conceção de
letramento literário proposto por Cosson (2021) e Paulino e Cosson (2023). As
atividades propostas fazem uso da sequência expandida proposta por Cosson (2021),
dos cartões de função apresentados por Daniels (2002) e adaptados por Cosson
(2021) dos postulados de leitura protocolada de Coscarelli (1997). Acreditamos que
um investimento em tal pesquisa possa contribuir para proporcionar aos discentes um
pensamento crítico frente a aspectos tão caros à nossa sociedade e conduzi-los ao
hábito da leitura literária como movimento de construção de aprendizagem
Generic Diagnostic Framework for Anomaly Detection—Application in Satellite and Spacecraft Systems
No full textSpacecraft systems collect health-related data continuously, which can give an indication of the systems’ health status. While they rarely occur, the repercussions of such system anomalies, faults, or failures can be severe, safety-critical and costly. Therefore, the data are used to anticipate any kind of anomalous behaviour. Typically this is performed by the use of simple thresholds or statistical techniques. Over the past few years, however, data-driven anomaly detection methods have been further developed and improved. They can help to automate the process of anomaly detection. However, it usually is time intensive and requires expertise to identify and implement suitable anomaly detection methods for specific systems, which is often not feasible for application at scale, for instance, when considering a satellite consisting of numerous systems and many more subsystems. To address this limitation, a generic diagnostic framework is proposed that identifies optimal anomaly detection techniques and data pre-processing and thresholding methods. The framework is applied to two publicly available spacecraft datasets and a real-life satellite dataset provided by the European Space Agency. The results show that the framework is robust and adaptive to different system data, providing a quick way to assess anomaly detection for the underlying system. It was found that including thresholding techniques significantly influences the quality of resulting anomaly detection models. With this, the framework can provide both a way forward in developing data-driven anomaly detection methods for spacecraft systems and guidance relative to the direction of anomaly detection method selection and implementation for specific use cases.Air Transport & Operation
Molecular identification of four cryptic species of Mastomys (Rodentia, Murinae)
No full textCorresponding author. [email protected] audienceMultimammate rats (genus Mastomys) are abundant in many regions throughout sub-Saharan Africa, and are of high economical and sanitary importance as agricultural pests as well as reservoir/vectors of human diseases. In pest management and in epidemiological studies, unequivocal species identification of individuals collected in the field is crucial. However, the discrimination among most of the Mastomys species is often difficult, if not impossible, on the basis of external characters. Karyology provides unambiguous specific assignations, but is not suitable for population studies involving large numbers of individuals because it requires fresh material and/or quick transfer from the field to the laboratory. The purpose of this study was to search for molecular markers allowing a clear discrimination of field collected individuals on the basis of ethanol-preserved samples. Using sequences of the cytochrome b region of mitochondrial DNA, two molecular tests based on species-specific primers (test 1) and restriction sites generating species-specific profiles (test 2), were designed and evaluated for species identification on a large number of karyotypically or electrophoretically unambiguously determined individuals. The tests clearly discriminate the four most widespread species. They are easy to perform on a small piece of car or tail taken from live animals, and can probably be adapted to identify museum specimen
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