338 research outputs found
The fourth dimension in landscape analysis: changing of heritage and ecological values in the Évora cultural landscapes.
Time is one of the most important driving forces in Landscape Ecology. Time along with geosystem, biosystem and socialsystem determines landscape heterogeneity which reveals itself in different patterns and functions. Cultural Landscapes are the result of the interactions between man and environment along time
Alimentación y dietética en los procesos de subjetivación
Colección Antropologia Mèdica, 7Siguiendo el pensamiento de Miguel Foucault, pretendo
demostrar que la alimentación y la dietética tienen un papel central (importante, fundamental) en los procesos de subjetivación en la modernidad. Aunque aparentemente el tema de la sexualidad, vocablo del s. xix, gane una enorme resonancia, poco a poco emerge otro pensamiento que acentúa el papel estructurante de la alimentación y la dietética en nuestra constitución como sujetos.
Extendiendo esta interrogación un poco más, hablando de la erupción ambigua de nuevos discursos dietéticos que se resisten al proceso de racionalización asociado al discurso médico y dietético, constituye el argumento de esta comunicación. De hecho, la actual
valorización de las prácticas alimentarias inspiradas en modos
de vida alternativos trae a la superficie la corriente subterránea, la tendencia de larga duración que los griegos, en la antigüedad colocaban en primer plano- la importancia de la relación de los seres con su alimentación.In this article we want, following the thinking of Michel
Foucault, show that nutrition and diet have a central role in the
processes of the modern subjectivation. Although apparently the
topic of sexuality, word of the nineteenth century, has a great resonance,
gradually emerge another thought that emphasizes the role
of nutrition and dietetics structuring in our constitution as subjects.
Taking this question a little further, stressing the eruption of
new dietary speeches is my main argument. Indeed, the current
devaluation of rational and scientific discourse dietary inspired by
alternative ways of life brings to the surface the undercurrent, the
long-term trend that now the Greeks in ancient times, placed in the
foreground - the importance of the relationship of human beings
with food
Sociabilidades em volta da mesa
Nesta comunicação, pretendemos apreender algumas formas diferenciadoras de sociabilidades
alimentares, em Cascais, que se verificam à volta das refeições geridas por convites ou à volta de
alimentos específicos. Concentrando-nos no conceito de “sociabilidade”, entendido como processos
interativos em que os indivíduos escolhem as formas de comunicação e as trocas que os ligam aos
outros, em contextos delimitados no espaço e no tempo. É em volta da mesa que estas sociabilidades
se afirmam, teatralizando as normas e regras impostas pela “socialidade”. Inspirando-nos em Jean
Pierre Poulain (2006), procuramos demonstrar qua as sociabilidades se diferenciam em função dos
grupos sociais, dos espaços e das situações em que se desenrolam os encontros e as partilhas, em
contextos sociais identificados, durante as refeições ou fora delas, revelando os impactos cristalizados
de um universo sociocultural dos contextos que pesam sobre o ator social, quer ele tenha consciência
disso ou não. Considerando as situações e o tipo de convite, destacamos três dimensões
configuradoras de sociabilidades alimentares: a dimensão espaço-situacional, a dimensão qualitativa e
a dimensão quantitativa. Os resultados deste estudo reforçam a relevância deste tipo específico das
refeições enquanto espaço de sociabilidades. Foi ainda possível verificar, nos vinte e nove grupos
domésticos, a presença de múltiplas figurações das refeições segundo o tipo de convite e a emergência
de novas formas diferenciadoras de sociabilidades alimentares.In this paper we intend to understand some forms of differentiating sociabilities around food in
Cascais, occurring during meals organized by invitations or around specific foods. Focusing on the
concept of "sociability", understood as an interactive process in which individuals choose the forms
of communication and exchanges that connect them to others in contexts delimited in space and time.
It is around the table that the sociability asserts itself, performing the values and regulations imposed
by the "sociality". On the basis of Jean-Pierre Poulain’s work (2006), we try to demonstrate the
sociabilities are differently constructed according to social groups, spaces and frameworks that
unfold the meetings and sharing in social contexts identified during meals or outside them. These
social interactions reveal the permanent and subtle impacts from a universe of sociocultural contexts
which affect the social actor, whether he is aware of it or not. Considering the circumstances and the
type of invitation, we highlight three dimensions of sociability configurations related to food: the
situational and space dimension; the qualitative and quantitative scope. The results of this study
reinforce the importance of this specific type of meals as a space of sociability. In the twenty-nine
groups household we could analyze multiple figurations of meals by type of invitation and the
emergence of new forms of differentiating sociability food
Prioritization of Software and System Requirements through Natural Language Processing for Testing Software
Tese de mestrado, Ciência de Dados, Universidade de Lisboa, Faculdade de Ciências, 2021Safety¬critical systems have been a constant and increased presence in industrial production, such as railways and vehicles. These systems are highly configurable and must be intensively tested by system engineers before being deliverable to customers. This process is highly time¬consuming and might require associations between the product features and requirements demanded by customers. Requirement prioritization looks to recognize the most relevant requirements of a system, aiming to reduce the costs and time of the testing process. Machine Learning has been shown useful in helping engineers in this task, automating associations between features and requirements. However, its application can be more difficult when requirements are written in natural language and if a ground truth dataset does not exist with them. In our work, we present ARRINA, a Natural Language Processing¬based recommendation system able to extract and associate components from safety¬critical systems with their specifications written in natural language and process customer requirements and map them to components. The system integrates a Weight Association Rule Mining framework to extract the components and their associations and generates visualizations that can help engineers understand which components are generally introduced in project requirements. The system also includes a recommendation framework that can associate in put requirements to existing subsystems, reducing engineers’ effort in terms of requirement analysis and prioritization. We performed several experiments to evaluate the different components of ARRINA over four railway’s subsystems and input requirements. As a result, the system achieved 90% of accuracy, which denotes its importance in reducing the time¬consuming of engineers in discovering the correct subsystem links and prioritizing requirements for the testing process
Alimentação e tempos sociais
Conhecer as novas modalidades de sentir o tempo em relação às práticas
alimentares, a partir das narrativas de vinte e nove grupos domésticos, é o objectivo
principal desta comunicação. Inspirando-nos na teoria do tempo de Norbert Elias,
pretendemos compreender as ligações entre a alimentação e os “tempos sociais”.
Identificaremos a organização das ocupações alimentares no tempo através do
sistema alimentar, desde a produção até ao consumo das refeições. Pretendemos
demonstrar as conexões sociogenéticas entre a alimentação quotidiana e a
organização das mesmas na temporalidade. Os resultados deste estudo reforçam a pertinência dos ritmos temporais específicos nas diferentes fases do sistema
alimentar e na organização das tarefas alimentares domésticas numa sociedade em
mudança. Nos grupos domésticos estudados foi possível verificar a presença de múltiplas configurações e a emergência de novas temporalidades alimentares nas
refeições domésticas
Alimentação e tempos sociais
Conhecer as novas modalidades de sentir o tempo em relação às práticas alimentares, a partir das narrativas de vinte e nove grupos domésticos, é o objectivo principal desta comunicação. Inspirando-nos na teoria do tempo de Norbert Elias, pretendemos compreender as ligações entre a alimentação e os “tempos sociais”. Identificaremos a organização das ocupações alimentares no tempo através do sistema alimentar, desde a produção até ao consumo das refeições. Pretendemos demonstrar as conexões sociogenéticas entre a alimentação quotidiana e a organização das mesmas na temporalidade. Os resultados deste estudo reforçam a pertinência dos ritmos temporais específicos nas diferentes fases do sistema alimentar e na organização das tarefas alimentares domésticas numa sociedade em mudança. Nos grupos domésticos estudados foi possível verificar a presença de múltiplas configurações e a emergência de novas temporalidades alimentares nas refeições domésticas
Montado’s ecosystem functions and services: the case study of Alentejo Central – Portugal
Although the concept of ecosystem services is well defined and centred on human use of natural systems, it is not yet consensual. The ecosystem services connect ecology and economy; they allow to integrate ecology into policies and to bring a monetary value.
Even if the authors do not entirely agree with the idea of giving a monetary value to all elements, living and not living, they consider that the concept of ecosystem services can be improved in the sense of a holistic landscape ecological approach.
Montado is a high valuated cultural landscape typical from the Southwest of Iberian Peninsula. It concerns a human-shaped ecosystem composed by a mosaic of scattered cork oaks, holm oaks or mix oaks, with a high grazing diversity. The most important products of Montado are cork and other non-timber products. Nevertheless it’s highly value is on the ecosystem functions it can provide, namely biodiversity conservation, water cycle regulation, carbon sequestration and soil conservation. These ecosystem services are highly interconnected, and have a lot of dependences in a complex structure.
So, the first goal of this paper is to identify the main Montado ecosystem services that must be valued in sustainable management and policies, in order to prevent biodiversity losses and other types of ecosystem degradation.ICAAM,CIMAC,CIDEHU
Montado’s Ecosystem Services
Although the concept of ecosystem services is well defined and centred on human use of natural systems, it is not yet consensual. The ecosystem services connect ecology and economy; they allow to integrate ecology into policies and to bring a monetary value.
Even if the authors do not entirely agree with the idea of giving a monetary value to all elements, living and not living, they consider that the concept of ecosystem services can be improved in the sense of a holistic landscape ecological approach.
Montado is a high valuated cultural landscape typical from the Southwest of Iberian Peninsula. It concerns a human-shaped ecosystem composed by a mosaic of scattered cork oaks, holm oaks or mix oaks, with a high grazing diversity. The most important products of Montado are cork and other non-timber products. Nevertheless its highly value is on the ecosystem functions it can provide, namely water cycle regulation, carbon sequestration and conservation of biodiversity, soil and cultural landscape values. These ecosystem services are highly interconnected, and have a lot of dependences in a complex structure.
So, the first goal of this paper is to identify the main Montado ecosystem services that must be valued in sustainable management and policies, in order to prevent biodiversity losses and other types of ecosystem and landscape degradation. It is therefore of the utmost importance enhance Montados ecosystems services knowledge.CIMAC,ICAAM,DPAO e CIDEHUS (UID/HIS/00057/2013 (POCI-01-0145-FEDER-007702) project
EFFECTS OF THE LOW INTENSITY CENTRIFUGATION AND THE BREED ON THE QUALITY OF FRESH CANINE SEMEN
The effect of the low intensity centrifugation (300xg), as well as the breed variation were evaluated. To this, semen of 12 dogs of the Beagle (n = 3), Schnauzer (n = 3), Doberman (n = 3) and Boxer (n = 3) breeds, 3 ejaculates collected per individual, totaling 36 ejaculates were used. The direct microscopic evaluation of the motility parameters and the hypoosmotic and supravital staining tests were used. The individual means of sperm vigor and motility varied from 3.5 to 5.0 and from 63 to 90% respectively, while the breed means ranged from 4.4 to 4.9 and from 80 to 90%, respectively. No significant difference was observed in any of the parameters evaluated in fresh or centrifuged semen of dogs among the different breeds studied. Centrifugation of semen resulted in a reduction of about 13% in sperm vigor and 14% in motility and sperm index. The analysis of the parameters of viability and sperm membrane integrity shows a 38% and 14% reduction in the percentage of reactive cells to the hypoosmotic test and supravital staining respectively. These results allow us to conclude that the centrifugation protocol, even at low intensity, significantly reduces sperm motility, the membrane integrity and sperm viability, this effect being more clearly perceived through the hypoosmotic test. RESUMENEl efecto de la centrifugación a baja intensidad (300xg), así como la variación racial fueron evaluados. Para esto, semen de 12 perros de las razas Beagle (n=3), Schnauzer (n =3), Doberman (n = 3) y Boxer (n = 3), 3 eyaculados colectados por individuo, totalizando 36 eyaculados fueron usados. La medición por microscopia directa de los parámetros de motilidad, así como el test hipoosmótico y la tinción supravital fueron usadas. La media individual del vigor espermático y la motilidad variaron desde 3,5 a 5,0 y desde 63 a 90% respectivamente, mientras que las medias de las razas variaron desde 4,4 a 4,9 y desde 80 a 90%, respectivamente. No se observaron diferencias significativas en los parámetros evaluados el semen fresco y centrifugado entre las razas estudiadas. El análisis de los parámetros de vitalidad y la integridad de la membrana espermática muestra una reducción de 38% y 14% en el porcentaje de células reactivas al test hipoosmótico y a la tinción supravital respectivamente. Estos resultados llevan a la conclusión de que el protocolo de centrifugación, aun a baja intensidad, significativamente reduce la motilidad espermática y la integridad de la membrana y vitalidad espermática, siendo este efecto percibido más claramente a través del test hipoosmótico
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