bluuebunny/crossref_metadata_2025 huggingface dataset:
Using wavelet transform to analyse on-road mobile measurements of air pollutants: a case study to evaluate vehicle emission control policies during the 2014 APEC summit
Authors: Li Yingruo , Tan Ziqiang , Ye Chunxiang , Wang Junxia , Wang Yanwen , Zhu Yi , Liang Pengfei , Chen Xi , fang Yanhua , Han Yiqun , Wang Qi , He Di , Wang Yao , Zhu Tong
Published: May 2019

Abstract. Vehicle emissions are a major source of air pollution in urban areas, and thus greatly impact air quality in the megacity Beijing. Various vehicle emission control policies have been implemented at great cost, but there is a lack of appropriate methods to evaluate the effectiveness of such policies. Here we developed a wavelet transform method (WTM) to evaluate the effectiveness of vehicle emission control policies during the 2014 Asia-Pacific Economic Cooperation (APEC) summit, taking advantage of high time resolution mobile measurements of NO, NOx, BC, CO, SO2, and O3 made around the 4th Ring Road of Beijing. The WTM decomposed on-road mobile measurements into low- and high- frequency components, where the former represents immediate vehicle emissions, and the latter represents the atmospheric background in addition to accumulated on-road emissions. The high-frequency component of the WTM (CH_freq.), which represents the concentrations of pollutants from vehicle emissions (Cveh.), was used to evaluate the changes in vehicle emission intensity in the full-APEC period (3–12 November 2014) relative to the pre-APEC (28 October to 2 November 2014) and post-APEC (13–22 November 2014) periods, during which different vehicle emission control policies were implemented. Our results suggest that the Cveh. of NO, NOx, BC, and CO in the full-APEC period were 19.4 %, 17.7 %, 0 %, and 50 % lower, respectively, than those in the pre-APEC period during daytime, and were 50 %, 47.3 %, 62.5 %, and 50 % lower than those in the post-APEC period during daytime. The Cveh. of NO, NOx, BC, and CO in the full-APEC period were 65.3 %, 65.4 %, 14.3 %, and 50 % lower than those in the post-APEC period during nighttime. These results indicate that the vehicle emission control policies implemented during the full-APEC period were effective. The WTM is a feasible and stable technique for signal decomposition of atmospheric measurements, and it is a useful method for the evaluation of pollution control policies.
Intercomparison of nitrous acid (HONO) measurement techniques in a megacity (Beijing)
Authors: Crilley Leigh R. , Kramer Louisa J. , Ouyang Bin , Duan Jun , Zhang Wenqian , Tong Shengrui , Ge Maofa , Tang Ke , Qin Min , Xe Pinhua , Shaw Marvin D. , Lewis Alastair C. , Mehra Archit , Bannan Thomas J. , Worrall Stephen D. , Priestley Michael , Bacak Asan , Coe Hugh , Allan James , Percival Carl J. , Popoola Olalekan A. M. , Jones Roderic L. , Bloss William J.
Published: May 2019

Abstract. Nitrous acid (HONO) is a key determinant of the daytime radical budget in the daytime boundary layer, with quantitative measurement required to understand OH radical abundance. Accurate and precise measurements of HONO are therefore needed; however HONO is a challenging compound to measure in the field, in particular in a chemically complex and highly polluted environment. Here we report an inter-comparison exercise between HONO measurements performed by two wet chemical techniques (the commercially available LOPAP and a custom-built instrument) and two Broadband Cavity Enhanced Absorption Spectrophotometer (BBCEAS) instruments at an urban location in Beijing. In addition, we report a comparison of HONO measurements performed by Time of Flight Chemical Ionization Mass Spectrometer (ToF-CIMS) and Syft Proton Transfer Reaction Mass Spectrometer (PTR-MS) to the more established techniques (wet chemical and BBCEAS). The key finding from the current work was that all instruments agree on the temporal trends/variability in HONO (r2 > 0.97), yet displayed some divergence in absolute concentrations, with the wet chemical methods consistently higher than the BBCEAS systems by between 12 and 39 %. We found no evidence for any systematic bias in any of the instruments, with the exception of measurements near instrument detection limits. The causes of the divergence in absolute HONO concentrations were unclear, and may in part have been due to spatial variability, i.e. differences in instrument location/inlet position.
Expansion and contraction of the flowing stream network changes
hillslope flowpath lengths and the shape of the travel time
distribution
Authors: van Meerveld H. J. Ilja , Kirchner James W. , Vis Marc J. P. , Assendelft Rick S. , Seibert Jan
Published: May 2019

Abstract. Flowing stream networks dynamically extend and retract, both seasonally and in response to precipitation events. These network dynamics can dramatically alter the drainage density, and thus the length of subsurface flow pathways to flowing streams. We mapped flowing stream networks in a small Swiss headwater catchment during different wetness conditions and estimated their effects on the distribution of travel times to the catchment outlet. For each point in the catchment, we determined the subsurface transport distance to the flowing stream based on the surface topography, and the surface transport distance along the flowing stream to the outlet. We combined the distributions of these travel distances with assumed surface and subsurface flow velocities to estimate the distribution of travel times to the outlet. These calculations show that the extension and retraction of the stream network can substantially change the mean travel time and the shape of the travel time distribution. During wet conditions with a fully extended flowing stream network, the travel time distribution was strongly skewed to short travel times, but as the network retracted during dry conditions, the distribution of the travel times became more uniform. Stream network dynamics are widely ignored in catchment models, but our results show that they need to be taken into account when modeling solute transport and interpreting travel time distributions.
Glacier changes and surges over Xinqingfeng and Malan Ice Caps in the inner Tibetan Plateau since 1970 derived from Remote Sensing Data
Authors: Zhang Zhen , Liu Shiyin , Jiang Zongli , Shangguan Donghui , Wei Junfeng , Guo Wanqin , Xu Junli , Zhang Yong , Huang Danni
Published: May 2019

Abstract. The inner Tibetan Plateau region is a glacierised area with heterogeneous variations. However, the detailed glacier area and mass changes in this region prior to the year 2000 are scarce, and there are limited processes available to understand this heterogeneity. In this paper, we present an integrated view of the glacier area and its mass changes for Mt. Xinqingfeng and Mt. Malan of the inner Tibetan Plateau as derived from topographic maps, Landsat, ASTER, SRTM DEM, and TerraSAR-X/TanDEM-X for the period of 1970–2012 and 1970–2018, respectively. Our results show that the glaciers experienced weak shrinkage in area by 0.09 ± 0.03 % from 1970 to 2018, but there was a median mass loss at a rate of 0.22 ± 0.17 m w.e. a−1 and 0.29 ± 0.17 m w.e. a−1 during 1999–2012 in Mt. Xinqingfeng and Mt. Malan respectively. The glaciers of Mt. Malan have had a lower total mass loss of 0.19 ± 0.14 m w.e. a−1 during 1970–1999. The mean velocity of the glaciers during 2013–2018 was 0.16 m d−1, as demonstrated from the Global Land Ice Velocity Extraction from Landsat 8 (GoLIVE). The Monuomaha Glacier and Zu Glacier together with another 5 glaciers displayed the surging or advancing characteristics during the observation period. These glaciers showed have a long active period of time and comparatively low velocities, which suggests that thermal controls are important for the surge initiation and recession. The ablation area or accumulation area exhibited small slopes with velocities that were too slow to remain in balance with the accumulation rate; thus, they required surging to transport mass from the reservoir area down the glacier tongue.
GIS Based Land Use Change Analysis of a Coastal Area of Bangladesh
Authors: Asikunnaby .
Published: May 2019

Satkhira is a coastal district of Bangladesh where lives of millions of people are transforming due to natural hazards and anthropogenic stimuluses, specifically water bodies are facing the bulk of the transformation owing to salinity. The study area of this research includes part of Satkhira Sadar and the work is done based on Betna river influenced zone. Sundarban and the Bay of Bengal are close to this river and its highly influenced by saline water. The natural pristine environment of the area went through major changes during the last few decades, especially after the 1980’s because of human interventions as well as natural causes. This research was an attempt to find out the transformations that took place in the area with remotely sensed imagery of 2018 and toposheet map of 1982, the underlying reasons of change and their consequences. The collected data were analyzed with Remote Sensing and Geographic Information System (GIS) software’s for better interpretation and an in-depth understanding. Features which came into consideration frequently are river, shrimp farms, settlement, agriculture, embankment, salinity intrusion, increasing population, frequent hazard and riparian vegetation. The outcome of the work tells that the change in land use occurred mainly because of shrimp farming and salinity intrusion while Betna river took the major blow. Although economically beneficial, shrimp culture created a saline environment and modification of water bodies resulted in frequent waterlogging and escalated salinity in the area previously known as freshwater zone. While Bangladesh is scare in land resource, the coastal area such as the study site of this research is even more stressed owing to climate change and recurring natural hazards. Propositions are made at the end of the work to use the presented data and information mentioned in this study by corresponding authorities.
Vegetación nativa como factor de control de erosión y restauración ecológica, San José, Costa Rica
Authors: Alvarado-García Virginia , Zúñiga-Amador María Auxiliadora
Published: May 2019

El establecimiento de una capa protectora compuesta por especies nativas, que desarrollen una comunidad sucesora uniforme, es básico para la restauración ecológica y es necesario para controlar los procesos erosivos. Con el fin de evaluar especies vegetales nativas para el control de la erosión y restauración ecológica, se trabajó en tres sitios a lo largo del río Torres. Para ello, se instalaron ocho parcelas experimentales en cada sitio, una de ellas sin vegetación y el resto con diferentes especies de herbáceas y arbustos. En cada sitio se tomaron en cuenta variables edáficas y climáticas; mientras que en cada parcela, se evaluó la sobrevivencia de las especies y la producción de sedimentos de forma mensual. La sobrevivencia promedio en los tres sitios estuvo por encima del 50%, lo cual evidencia que las especies superaron el estrés post siembra y lograron adaptarse exitosamente. En la parte alta y baja, las parcelas sembradas con Hamelia patens y Tradescantia zanonia, registraron menos tasa de erosión. Para la parte media, Dahlia imperialis y T. zanonia, fueron las más eficientes en comparación a las otras cuatro especies. En general, en la parte alta y baja, predominaron los arbustos; mientras que en la media, las herbáceas. El uso de especies nativas como estrategia de restauración ecológica y foresta urbana permite mejorar las condiciones mecánicas, hidráulicas y ambientales del sitio de estudio, y actúa como barrera viva contra la erosión.
Validity and Persuasiveness of Conditional Arguments
Authors: Nickerson Raymond S. , Butler Susan F. , Barch Daniel H.
Published: May 2019

Forty college students evaluated 80 conditional arguments with respect to both validity and persuasiveness. The arguments were of four types, two valid (modus ponens and modus tollens) and two invalid (involving affirmation of the consequent and denial of the antecedent). Participants were not good at distinguishing between valid and invalid arguments, although they did so better than at chance. Invalid arguments that were considered to be persuasive were almost 3 times as likely to be judged to be valid as were invalid arguments that were considered not to be persuasive. Whether an argument was judged to be persuasive was influenced by several variables, including the argument’s logical status, its believed logical status, whether the conclusion was believed by the evaluator to be a true statement of fact, whether the minor premise alone could be considered to be an adequate basis for judging the conclusion to be true, whether the argument’s conclusion or any of its premises was (or could be considered to be) false, and how the antecedent and consequent of the major premise were related. Various models of reasoning that predict some of the results are discussed, but there is no extant model that fully explains the relationship between the perceived validity and the perceived persuasiveness of conditional arguments.
Students Choosing Courses: Real-Life Academic Decision Making
Authors: Galotti Kathleen M. , Umscheid Valerie A.
Published: May 2019

We examined how high school and college students make an important real-life decision: choosing the courses they will take in the upcoming academic year. Current high school and college students completed an online survey. Participants listed their course choices and the criteria they used to make their decisions (e.g., time a course meets, subject matter of a course) and also responded to a modified version of the Reactions to Decision instrument (Galotti, Tandler, & Weiner, 2014), which measured their affective reactions to the decision-making process. College students tended to list more options and criteria when describing their decisions than did high school students. High school students rated the future importance of their decisions higher and their independence in the decision-making process lower than did college students. College students reported using information specific to courses, such as instructor, time a class is scheduled, and the requirements a course met, as criteria when using courses more than did high school students. High school and college students who listed more criteria tended to be less certain and comfortable with the decision-making process than their peers. We discuss the context of this decision for each group of students.
Survival Processing in a Novel Choice Procedure
Authors: Coverdale Michelle E. , Pandeirada Josefa N. S. , Nairne James S.
Published: May 2019

People remember information that has been processed for survival relevance particularly well, perhaps because our memory systems have been tuned by natural selection to retain information pertinent to inclusive fitness. In the standard procedure, people rate the relevance of single words or objects to an imagined survival scenario and then receive a surprise retention test for the rated items. Here we replicate the survival advantage in a novel choice procedure in which people are asked to choose which of two items would be most useful in a survival context or in a “moving” (Experiment 1) or “scavenger hunt” (Experiment 2) control context. Chosen items were remembered better than unchosen items, and the survival processing advantage did not interact with the choice effect. Experiment 2 replicates this pattern using the matched-scenario design first used by Nairne, Pandeirada, Gregory, and VanArsdall (2009). These experiments extend the generality of the survival advantage and provide diagnostic information about its underlying proximate mechanisms.
Anger, Compassion, and Happiness as Antidotes for Sadness
Authors: Demorest Amy P.
Published: May 2019

This study examined the relative effectiveness of anger, compassion, and happiness as antidotes for sadness. Although theory and research suggest that each of these emotions can counteract sadness, no research has compared their relative effectiveness. Participants were 184 undergraduates averaging 19 years of age, 53% female and 47% male. Self-report measures of emotion were collected at baseline, after a sadness induction, and after an anger, compassion, or happiness induction (depending on condition). Emotions were induced by having participants recall and write about autobiographical memories. All three emotion inductions significantly reduced sadness, but happiness yielded a significantly greater reduction than compassion or anger, and compassion yielded a significantly greater reduction than anger. With regard to theoretical implications, the findings are consistent with circumplex and script models of emotion, and future studies are proposed for exploring emotion antidotes in terms of these models. With regard to practical implications, future studies are proposed for examining the effectiveness of emotion antidotes using longer-term interventions and with clinical levels of emotional disturbance.
On some bounds for the moduli of zeros of polynomials
Authors: Kumar Sanjeev , Maan Harpreet Singh
Published: May 2019

In this article, we specify some sufficient conditions which yield some significant bounds for themoduli of zeros of polynomials with real or complex coefficients. The paper proves the main result of [M. H. Gulzar, S. Bashir, Bounds for themoduli of zeros of polynomials, International Research Journal of Advanced Engineering and Science, 2:2 (2017), 51–53] as a special case.
Lower bounds of generalised normalised δ- Casorati curvature for real hypersurfaces in complex quadric endowed with semi-symmetric metric connection
Authors: Bansal Pooja , Shahid Mohammad Hasan
Published: May 2019

The main intention of the present paper is to develop two extremal inequalities involving normalized δ-Casorati curvature and extrinsic generalised normalised δ-Casorati curvature for real hypersurfaces in complex quadric Qm admitting semi-symmetric metric connection. Further, we derive the necessary and sufficient condition for the equality in both cases
Perfil físico-funcional e psicológico de idosos frequentadores do Rio Ar Livre
Authors: Furtado Helio Lemos , Venturini Gabriela , Harris Elizabeth Rose Assumpção , Farinatti Paulo De Tarso Veras , Silva Nádia Souza Lima da
Published: May 2019

Introdução: A fim de desenvolver a saúde e a qualidade de vida, especialmente da população idosa, a Prefeitura da Cidade do Rio de Janeiro implementou o projeto Academia Rio Ar Livre (RAL) nos espaços públicos da cidade. Para acompanhamento longitudinal da repercussão desse projeto é necessário mapear a condição funcional e psicológica dos idosos inscritos nas diversas RALs. Objetivos: Assim, neste estudo, objetivou-se analisar a aptidão físico-funcional e psicológica de idosos frequentadores das RAL/RJ. Métodos: Selecionaram-se 294 voluntários de ambos os sexos (68,6±6,6 anos), que responderam o questionário de Escala de Depressão Geriátrica e o de Qualidade de Vida (WHOQOL-OLD) e realizaram a bateria de aptidão funcional de Rikli e Jones. Resultados: Verificou-se que os participantes possuíam níveis recomendados de aptidão funcional, alto nível de qualidade de vida e não apresentavam quadro de depressão. Conclusão: As RALs parecem contribuir para a manutenção da aptidão físico-funcional e psicológica de idosos.
Sustentabilidade e Gestão de Instituições de Ensino Superior: Análise da Produção Científica
Authors: Henchen Anne Vanessa , Moura-Leite Rosamaria , Lopes José Carlos Jesus
Published: May 2019

Objetivo do estudo: É analisar a evolução das publicações científicas acerca do tema gestão socioambiental e sustentabilidade, na prática das Instituições de Ensino Superior (IES). Metodologia/abordagem: Utilizou-se o método ProKnow-C para seleção do portfólio bibliográfico e análise bibliométrica. O período de investigação foi de 2002 a início de 2017. Originalidade/Relevância: Em virtude da importância que a temática da sustentabilidade vem alcançando nos últimos anos, a gestão socioambiental surge como um caminho para as organizações demonstrarem, em suas políticas e práticas, o compromisso perante a sociedade e o meio ambiente. Nesse contexto, as IES precisam servir de exemplo devido ao seu papel como formadoras de opinião. Em face do exposto, o objetivo do estudo demostra relevância. Principais resultados: Foi selecionado um portfólio bibliográfico de 40 artigos, onde os periódicos Journal of Cleaner Production e International Journal of Sustainability in Higher Education receberam destaque.  Observou-se um incremento significativo no número de citações dos artigos do portfólio bibliográfico nos últimos cinco anos analisados. Contribuições teóricas/metodológicas: Os resultados do estudo auxiliam o pesquisador na escolha de referencial teórico de qualidade e reconhecido cientificamente. Conclusão: Como recomendação para trabalhos futuros, sugere-se aplicar a próxima fase do método ProKnow-C, denominada análise sistêmica, examinando o conteúdo dos artigos do portfólio bibliográfico evidenciados nesta pesquisa.
Resection and simultaneous reconstruction of the infrarenal aorta and inferior vena cava (case report)
Authors: Burlaka Anton , Vasiliev Oleg , Kolesnik Olena
Published: May 2019

A non-standard surgicall approach in malignant retroperitoneal tumor treatment was used, which includes simultaneous resection and reconstruction of the infrarenal segment of aorta and inferior vena cava. The total vascular recunstrustion time was 40 minutes and 15 minutes out of total time was arterial ischemia. The postoperative period was complicated by the right urethral fistula and the limited fluid concentration in the surgical area. On day 25th of the post-operative period patient discharged from the hospital.
We believe that such a tactic can be safe and effective in case of meticulous patients selection and the multidisciplinary and multi-team approaches application.
Sociální reprezentace vyhoření z pohledu vyučujících: „vyhoření“ mezi zkušeností a analytickou kategorií
Authors: Páchová Anna , Francová Veronika
Published: May 2019

Syndrom vyhoření jakožto rizikový faktor pro učitele je zavedený pojem jak ve vědě, tak ve veřejném diskurzu. Co ale pojem vyhoření znamená? Jaký je vztah mezi pojetím vědy a pojetím samotných učitelů? Aby bylo možné na uvedenou otázku odpovědět, je nutné zabývat se obojím – pohledem vědy i pohledem samotných aktérů.Tato studie se snaží odpovědět na otázku, zda a jakým způsobem se liší vyhoření jakožto sociální reprezentace (pohled vyučujících) a vyhoření jakožto analytická kategorie (akademický diskurz). V úvodní části textu se zabýváme zejména problematikou sociálních reprezentací, následuje popis metod a výsledková část. Srovnání vědecké a aktérské perspektivy je uvedeno v diskuzi.Zdrojem dat prezentovaného výzkumného šetření jsou výsledky dotazníku vyhoření (N = 2394), polostrukturované rozhovory s vyučujícími zaměřené na problematiku vyhoření (N = 46) a položky nejužívanějších škál měřících vyhoření.Výsledky naznačují, že zatímco sociální reprezentace vyučujících se zkušeností s vyhořením má velmi blízko k vědeckému pojetí vyhoření, reprezentace vyučujících bez této zkušenosti je tomuto pojetí vzdálenější. Tito vyučující totiž akcentují zejména vnější rovinu vyhoření (z určitého pohledu se tedy zaměřují spíše na důsledky), a to proto, že vnitřní rovina (příčiny vyhoření, tedy vyčerpání) jim zůstává skryta. Článek se zaměřuje rovněž na důsledky, které toto „míjení“ může mít v rovině školní reality.
Event Ontology, Habit, and Agency
Authors: Tryon Philip ,   The Center for Process Studies
Published: May 2019

The following is an outline of an emerging foundation for science that begins to explain living forms and their patterns of movement beyond the sphere of mechanistic interactions. Employing an event ontology based on a convergence of quantum physics and Alfred North Whitehead’s process philosophy, coupled with the controversial yet promising theory of formative causation, this development will explore possible influences on the outcomes of events beyond any combination of external forces, laws of Nature, and chance. If it turns out there are no such additional influences—beyond mechanistic causes—it is difficult to see how agency or free will could exist. Assuming agency exists, as Whitehead apparently does, while committing to an event ontology in which process is fundamental leads to interesting questions about the natures of any entities that might participate in events. Furthermore, what might the purposes and agendas of such entities be based upon, beyond memory traces or DNA code? This ontological model, recognizing processes as fundamental, leads to a revised cosmology where the trajectory of a series of events may be due to more than rearrangement of material bits according to external forces and where goal-directed, recurring processes and the emergence of mind are not so surprising. Just as special relativity reduces to classical treatment when speeds slow down, this scientific model for a living world reduces to mechanistic materialism whenever conditions are more limited. Though this development is based on a philosophy of process, there are some dissimilarities with respect to Whitehead’s particular version.
The investigation of factors determining wind power prediction accuracy: case study of western Lithuania
Authors: Gecevičius Giedrius , Marčiukaitis Mantas , Tamašauskienė Marijona
Published: May 2019

In order to mitigate climate change, more attention every year is being given to wind energy. However, despite minimal impact of wind turbines on the environment, there is a negative side as well. Wind speed variations are a stochastic process, and it is difficult to predict wind power accurately. Therefore, unpredictable power can disbalance the power grid; besides, huge power reserves are necessary. Wind energy can be forecasted based on statistical, physical or hybrid methods and models. However, all methods and models generate power prediction errors during different time horizons. The paper presents an analysis of wind power prediction errors determining factors based on statistical, physical and hybrid approaches. Investigation revealed that combination of statistical methods – nonlinear regression, model output statistics, the most suitable power curve and wind speed correction methods – reduced wind power prediction errors up to 1.5%. A detailed evaluation of relief variations and surface roughness increased wind power accuracy by 2%. Considering the local conditions of the western part of Lithuania, the best suitable tool for a short-term wind power prediction is a hybrid model including a detailed description of topographical conditions and the most precise statistical methods.
Padrões espaciais de índices socioeconômicos e sua relação com área verde de um centro urbano
Authors: Caldas Jonathan Anderson de Paula , Sales Rosane Coelho da Silva , Silva Valdiney Vieira da , Rosa Deocleciano Bittencourt
Published: May 2019

As áreas verdes urbanas exercem inúmeras funções no meio ambiente natural, sobretudo no ambiente urbano, pois no contexto das cidades são importantes para o bem-estar humano. O objetivo desse trabalho foi estabelecer um índice sistemático a partir de análise de padrões espaciais de informações socioeconômicos em relação a sua área verde. A investigação foi realizada no centro urbano de Cuiabá (MT), em que foram mapeadas as áreas conforme: renda per capita, renda por pessoa e valores lançados do IPTU. Todos os bairros foram analisados conforme os parâmetros citados, gerando mapas por temática e relacionamento por meio de cluster e outliers, a partir de técnicas de Sistemas de Informações Geográficas (SIG). Foi possível estabelecer relação ao poder aquisitivo, dada à conjuntura dos valores de imóveis e sua localização, de modo a apontar os pontos positivos e falhos na percepção de valores diretamente relacionado as áreas verdes urbanas da cidade.
Tabla DK eLearning: optimización de la práctica docente en un ambiente online
Authors: Ferreira Nobre Ana María , Chenoll Mora Antonio , Melaré Vieira Barros Daniela , Setién Burgués Ana
Published: May 2019

El presente trabajo es el resultado del estudio realizado en el ámbito de la práctica pedagógica en la enseñanza superior en e-learning. Observamos una mejora cualitativa y necesaria de las prácticas docentes online en sus modelos pedagógicos. El panorama teórico general en la educación enfatiza la necesidad de reforzar y perfeccionar las estructuras didácticas de la enseñanza online, pero existe una escasez de instrumentos de transposición didáctica para que eso suceda. En este escenario y con el objetivo de traer una contribución para el relleno de esa laguna, proponemos a través de elementos didáctico-pedagógicos y tecnológicos en contextos online, una tabla de observación con base al modelo de Amador et al. (2016)
Los procedimientos metodológicos fueron soportados por referencias bibliográficas, reflexiones y discusiones que acompañaron las diversas fases del estudio de la creación y validación de la tabla, Presentamos un ejemplo aplicado en el área de la lengua y cultura española y proponemos una estructura teórica como apoyo al desarrollo y sus resultados.

The present work results from the study carried out in the scope of the pedagogical practice in higher education in e-learning. We observe a qualitative and necessary improvement of online and e-learning teaching practices in their pedagogical models, the general theoretical panorama in education emphasizes the need to reinforce and improve the didactic structures of online teaching, but there is a shortage of didactic transposition instruments for this to occur. In this scenario and with the objective of contributing to fill this gap, we propose through pedagogical and technological didactic elements in online and e-learning contexts, an observation grid based on the model, DK eLearning-TPCK of Amador et al. (2016). The methodological procedures were supported by bibliographic references, reflections and discussions that accompanied the various phases of the study in the creation and validation of grids. We present an example applied in the area of Spanish language and culture and propose a theoretical framework to support development and its results.
Validación de la versión en castellano del cuestionario 'Community of Inquiry'
Authors: Ballesteros Velázquez Belén , Gil-Jaurena Inés , Morentin Encina Javier
Published: May 2019

Presentamos el estudio de la fiabilidad y validez del cuestionario 'Community of Inquiry' (CoI) en su versión española. El modelo CoI concibe la enseñanza-aprendizaje en entornos on-line como proceso de indagación, a través del cual los participantes colaboran en el discurso y reflexión crítica para construir conocimiento personal y llegar a un entendimiento mutuo. Consecuentemente, el modelo CoI identifica la presencia de tres dimensiones: a) la presencia cognitiva, referida al grado en que los participantes son capaces de construir significado y conocimiento a través de la comunicación continua, la reflexión y la discusión; b) la social, definida como la habilidad de los participantes de identificarse con la comunidad, comunicarse y desarrollar relaciones interpersonales; c) la docente, referida al diseño, guía y dirección, por parte del profesorado, de procesos cognitivos y sociales con el propósito de lograr resultados de aprendizaje significativos en los estudiantes.
La validación del cuestionario en el contexto de enseñanza a distancia español muestra resultados satisfactorios desde el punto de vista de la validez de constructo y la fiabilidad como consistencia interna, confirmando la utilidad e interés de este instrumento en investigaciones que pretendan analizar y mejorar el desarrollo de procesos educativos a través de comunidades de indagación.

We present the study of the reliability and validity of the 'Community of Inquiry' (CoI) survey in its Spanish version. The CoI model conceives teaching-learning in on-line environments as a process of inquiry, through which the participants collaborate in the discourse and critical reflection to build personal knowledge and reach a mutual understanding. Consequently, the CoI model identifies the presence of three dimensions: a) the cognitive presence, referred to the degree to which the participants are capable of constructing meaning and knowledge through continuous communication, reflection and discussion; b) the social presence, defined as the ability of participants to identify with the community, communicate and develop interpersonal relationships; c) the teaching presence, referred to the design, guidance and direction, on the part of the faculty, of cognitive and social processes with the purpose of achieving significant learning results in the students.
The validation of the survey in the context of Spanish distance learning shows satisfactory results from the point of view of construct validity and reliability as internal consistency, confirming the usefulness and interest of this instrument in investigations that seek to analyze and improve the development of educational processes through communities of inquiry.
Hvorfor krig?
Authors: Freud Sigmund
Published: May 2019

Kære Hr. Einstein! (1) Da jeg hørte, at det er Deres hensigt at indbyde mig til en udveksling af tanker over et tema, som har Deres interesse, og som også forekommer Dem andres interesse værdig, gav jeg beredvilligt min tilslutning
Den endelige løsning - Kloning hinsides det menneskelige og det ikke-menneskelige
Authors: Baudrillard Jean
Published: May 2019

Oversat af Anders Dræby Sørensen og Jakob Bek-Thomsen
Kant og stoisk kosmopolitisme
Authors: Nussbaum Martha C.
Published: May 2019

Oversat af Karin Christiansen
Brev til Schmitt
Authors: Heidegger Martin
Published: May 2019

Freiburg d. 22. august 1933
Drømmen om middelalderen
Authors: Eco Umberto
Published: May 2019

Er der en forbindelse mellem Frank Frazettas Heroiske Fantasi, ny-satanismen, Excalibur, Avalon-sagnene og Jacques Le Goff?
Det guddommelige venstre
Authors: Baudrillard Jean
Published: May 2019

De historiske lidenskabers endeligt
Den lange middelalder
Authors: Le Goff Jacques
Published: May 2019

Da de italienske humanister i anden halvdel af det 15. århundre­de opfandt udtrykket Middelalder (Giovanni Andrea, pavens bib­liotikar i 1469), var det for at stille denne epokes "gamle" op over for "vor tids moderne", dvs. Renæssancens mennesker.
Den digitale læringsplatforms forandring af lærerens praksis
Authors: Wied Kia
Published: May 2019

Denne artikel ser på, hvordan lærerens arbejde med evaluering af eleven forandrer sig samtidigmed tilblivelsen af en folkeskoles databaserede evalueringspraksisser i forbindelse med implementeringenaf læringsplatformen Mebook. Artiklen illustrerer, hvordan lærerens arbejde medevaluering af elever bevæger sig mellem håndholdt evaluering baseret på intuition og kendskabtil eleven og en mere standardiseret, systematisk og generaliseret tilgang til evaluering. Oghvordan lærerens effektivitet og præstation via målingerne og evalueringen af eleverne samtidigbliver gjort til genstand for ledelse. Artiklen udfolder dette gennem en analyse af, hvordan dataog evaluering bliver til i praksis, hvor forskellige før- og efterbilleder læses diffraktivt igennemhinanden. På denne baggrund argumenterer artiklen for, at bevægelsen af arbejdet med data ogevaluering i skolen producerer en ny affektiv økonomi, hvor forskellige og komplekse blandingeraf stemninger og følelser sættes i cirkulation på skolen.
Bibliothèques publiques et animation en fab labs et médialabs
Authors: Parent Marie-Hélène
Published: May 2019

Les fab labs et les médialabs s’implantent en bibliothèques publiques au Québec. À l’aide d’un exemple concret, soit le médialab de la bibliothèque de Sainte-Julie, le présent article examinera la mise en place d’un tel projet en ce qui touche l’idéation, l’importance de consulter les citoyens, les espaces de créativité, l’équipement, le personnel, l’émergence de nouveaux métiers et les enjeux concernant l’animation et son offre de services dans le monde des bibliothèques publiques.
Le projet de fab lab en bibliothèque et le développement des apprentissages : une utopie réaliste ?
Authors: Lehmans Anne , Aït Belkacem Samira
Published: May 2019

Ces dernières années, l’évolution des structures documentaires vers une diversification des espaces, des missions et des compétences des personnels a conduit plusieurs bibliothèques en France à créer des fab labs. Ceux-ci représentent un service innovant pour les médiathèques et les bibliothèques et offrent l’occasion aux bibliothécaires de revisiter leurs pratiques professionnelles, de bousculer leurs habitudes et de se confronter à une nouvelle posture professionnelle face aux usagers. Le fab lab peut être considéré comme un espace de développement de compétences liées à la conception et à la fabrication d’objets techniques, dans un projet ouvert et mutuel de construction des apprentissages et dans une perspective politique de « communs de la connaissance ». Cet article propose une réflexion croisée d’une professionnelle concernée dans son activité par un tel projet et d’une chercheuse conduite à examiner les effets des fab labs sur la motivation des jeunes.
La part du lecteur de textes littéraires dans la classe de français
Authors: Mercier Jean-Pierre
Published: May 2019

Cet article examine la place et le rôle du sujet lecteur de textes littéraires dans la classe de français. Il ne s’agit plus, dans le cadre théorique que nous exposons, de penser exclusivement à former un lecteur qui comprend et interprète les textes littéraires à la faveur d’une pensée abstraite et rationnelle. Les conceptions gravitant autour de la notion de sujet lecteur font voir que la lecture émanant d’un sujet est nourrie de sa culture personnelle, conséquence de son histoire, amalgamée aux dimensions affectives, sociales et cognitives de sa subjectivité. Dans une perspective didactique, nous proposons de retenir deux critères pour l’élaboration des dispositifs de lecture des textes littéraires : le critère du climat et le critère d’autorisation.
Mémoires du temps perdu
Authors: Séguy Mireille
Published: May 2019

Cet article s’intéresse à la réécriture de l’Élucidation médiévale (l’un des prologues « postiches » du Conte du graal et de ses trois premières Continuations) que propose La Tresplaisante et recreative hystoire de Perceval le Galloys, imprimée en 1530. Si le choix d’éditer ce prologue obscur – à tous les sens du terme – illustre sans doute le goût de la Renaissance pour une forme d’altérité médiévale, il témoigne aussi des limites de la compréhension de la forme d’archaïsme que met en oeuvre délibérément ce prologue qui invente, à la faveur d’une écriture lacunaire et opaque, un mythe sur l’origine perdue des récits arthuriens. L’article fait à terme l’hypothèse que l’imprimé marque, à cet égard, un autre rapport au temps, qui s’exprime dans un nouvel imaginaire de la production romanesque et un nouveau modèle de généalogie littéraire.
SANKCIONISANJE GOVORA MRŽNJE NA INTERNETU PREMA NACIONALNOJ REGULATIVI REPUBLIKE SRBIJE
Authors: IVANOVIĆ Aleksandar , RANĐELOVIĆ Dragana
Published: May 2019

Govor mržnje kao usmeni ili pisani govor koji se svodi na javno izazivanje mržnje prema određenoj grupi (ili pojedinoj osobi) zbog nekog njenog ličnog svojstva u svrhu stvaranja neprijateljstva, diskriminacije i nasilja pred-stavlja opasnost po društvo u cjelini. Govor mržnje se danas preselio na internet, koji omogućava stvaranje globalnog foruma za zagovaranje netolerancije i nejednakosti, jer je efekat takvog delovanja vidljiviji, a šanse za otkrivanje i kažnjavanje onih koji ga pokreću su manje. Nepoznavanje propisa, njihova neprimjena, nizak nivo medijske pismenosti i kulture, nepostojanje opštepri-hvaćene definicije govora mržnje, doprinijeli su da internet postane mjesto gdje svako može reći šta god želi, bez osjećaja lične odgovornosti.U ovom radu autori nastoje da na sveobuhvatan i koncizan način prikažu nacionalne propise koji sankcionišu govor mržnje na internetu. Iako ne postoji jedinstvena definicija govora mržnje, autori će da ukažu na njene suštinske ele-mente, manifestaciju, način ispoljavanja. Takođe, ukazaće na nužnost i načine prevencije, kao i mehanizme kojima se ostvaruje zaštita.
DOKAZNI LANAC
Authors: PENA Uroš , MILADINOVIĆ Aleksandar
Published: May 2019

U našoj kriminalističkoj literaturi, kao i u sudskoj praksi, problemu obezbjeđi-vanja autentičnosti i integriteta dokaza i dokaznog lanca se nije pridavala velika pažnja. To pitanje se rješavalo uzgredno i samo ukoliko su posebne okolnosti ukazivale na to da je došlo do narušavanja tzv. dokaznog lanca. Podrazumijevalo se da je dokaz obezbijeđen i autentičan kada se pojavi na sudu. Međutim, u zadnje vrijeme se u praksi sve više pojavljuju problemi sa autentičnošću integriteta dokaza i sa (prigovorima) povredama dokaznog lanca. Usljed navedenog bitno je da se etablira i afirmiše procedura obezbjeđivanja integriteta dokaznog lanca. U radu će se ukazati na pojam i značaj dokaznog lanca, te na mehanizme obezbjeđivanja integriteta dokaznog lanca, ukazujući na izvore digitalnih dokaza kao specifične sa aspekta obezbjeđivanja integriteta dokaznog lanca.
Machine learning of symbolic compositional rules with genetic programming: Dissonance treatment in Palestrina
Authors: Anders Torsten , Inden Benjamin
Published: May 2019

We describe a method to automatically extract symbolic compositional rules from music corpora that can be combined with each other and manually programmed rules for algorithmic composition, and some preliminary results of applying that method. As machine learning technique we chose genetic programming, because it is capable of learning formula consisting of both logic and numeric relations. Genetic programming was never used for this purpose to our knowledge. We therefore investigate a well understood case in this pilot study: the dissonance treatment in Palestrina’s music. We label dissonances with a custom algorithm, automatically cluster melodic fragments with labelled dissonances into different dissonance categories (passing tone, suspension etc.) with the DBSCAN algorithm, and then learn rules describing the dissonance treatment of each category with genetic programming. As positive examples we use dissonances from a given category. As negative examples we us all other dissonances; melodic fragments without dissonances; purely random melodic fragments; and slight random transformations of positive examples. Learnt rules circumstantiate melodic features of the dissonance categories very well, though some resulting best rules allow for minor deviations compared with positive examples (e.g., allowing the dissonance category suspension to occur also on shorter notes).
Genomics of hosts-pathogen interactions: challenges and opportunities across ecological and spatiotemporal scales
Authors: Näpflin Kathrin , Becks Lutz , Bensch Staffan , Ellis Vincenzo A , Hafer-Hahmann Nina , Harding Karin C , Lindén Sara K , O'Connor Emily A , Olsen Morten T , Roved Jacob , Sackton Timothy B , Shultz Allison J , Venkatakrishnan Vignesh , Videvall Elin , Westerdahl Helena , Winternitz Jamie C , Edwards Scott V
Published: May 2019

Evolutionary genomics has recently entered a new era in the study of host-pathogen interactions. A variety of novel genomic techniques has transformed to the identification, detection and classification of both hosts and pathogens, allowing a greater resolution that helps decipher their underlying dynamics and provides novel insights into their environmental context. Nevertheless, many challenges to a general understanding of host-pathogen interactions remain, in particular in the synthesis and integration of concepts and findings across a variety of systems and different spatiotemporal and ecological scales. In this perspective we aim to highlight some of the commonalities and complexities across diverse studies of host-pathogen interactions, with a focus on ecological, spatiotemporal variation, and the choice of genomic methods used. We performed a quantitative review of recent literature to investigate links, patterns and potential tradeoffs between the complexity of genomic, ecological and spatiotemporal scales undertaken in individual host-pathogen studies. We found that the majority of studies used whole genome resolution to address their research objectives across a broad range of ecological scales, especially when focusing on the pathogen side of the interaction. Nevertheless, genomic studies conducted in a complex spatiotemporal context are currently rare in the literature. Because processes of host-pathogen interactions can be understood at multiple scales, from molecular-, cellular-, and physiological-scales to the levels of populations and ecosystems, we conclude that a major obstacle for synthesis across diverse host-pathogen systems is that data are collected on widely diverging scales with different degrees of resolution. This disparity not only hampers effective infrastructural organization of the data but also data granularity and accessibility. Comprehensive metadata deposited in association with genomic data in easily accessible databases will allow greater inference across systems in the future, especially when combined with open data standards and practices. The standardization and comparability of such data will facilitate early detection of emerging infectious diseases as well as studies of the impact of anthropogenic stressors, such as climate change, on disease dynamics in humans and wildlife.
Major Problems in Street Life of People at ‘Risk’, the Case of Selected Areas of Harari Region, Ethiopia
Authors: Kassaw Endris Seid
Published: May 2019

The purpose of this study was to identify the prevalence of major problems in street life of people at ‘risk’, the case of Harari Region, Ethiopia. Participants’ sex, age and level of education were taken to be variables of the study. The researcher used descriptive survey method to study the problem. Study participants were selected using snowball and purposive sampling methods, and data were also collected by using questionnaire, interview, focus group discussion, observation and document review. Data collected through questionnaire were analyzed quantitatively using descriptive statistics; and data collected through interview, focus group discussion, observation and document review were analyzed qualitatively using narration. The study revealed that the prevalence of major problems in the study area were identified as migration (20.6%), begging (15.3%), drug abuse 11.8%), commercial sex work (11%) sexual abuse/harassment (10.4%), human trafficking (10.2%), conflict and aggression (9.2%) and traditional harmful practices (8.8%). Although there were differences in some specific problems, generally, more females than males, as well as more children than youths were faced with problems in street life of people at ‘risk’. Furthermore, more participants having elementary educational background than high school were also faced with problems. Study population, their families, community at large and other concerned bodies are recommended to get trainings and support in areas of conflict management, family education, community based empowerment, vocational education, advancing employment and job opportunity, rehabilitation, community health care initiatives, business education, entrepreneurship and recreational entertainment, psycho social support, and income generation initiatives.