Search results for "-Ag"
showing 10 items of 514 documents
Arm Space Decomposition as a Strategy for Tackling Large Scale Multi-armed Bandit Problems
2013
Recent multi-armed bandit based optimization schemes provide near-optimal balancing of arm exploration against arm exploitation, allowing the optimal arm to be identified with probability arbitrarily close to unity. However, the convergence speed drops dramatically as the number of bandit arms grows large, simply because singling out the optimal arm requires experimentation with all of the available arms. Furthermore, effective exploration and exploitation typically demands computational resources that grow linearly with the number of arms. Although the former problem can be remedied to some degree when prior knowledge about arm correlation is available, the latter problem persists. In this…
Towards a scenario of virtual mental health environments for school-aged children
2017
This study explores student teachers’ future design scenarios focusing on promoting children’s mental health literacy through virtual reality (VR) environments. VR use is on the verge of many breakthroughs in several areas of lived experience. One such area pertains to educational contexts. Student teachers were chosen as the subjects of this study due to the likelihood that they will be the primary users and disseminators of these emerging technologies in educational contexts. The students created five types of future scenarios that contained different environments and activity modes, including those that are still not yet feasible to realize with current technological capabilities. The ai…
Use of a Semantic Language to Reduce the Indeterminacy in Agents Communication
2014
In the field of agent communications uncertainty and vagueness in the message content and in the achievable results play a primordial role when two agents (human or artificial) communicate. Even though the importance of vagueness and uncertainty has been recognized long ago, only recently mechanisms related to the communications’ semantics that allow a practical approach have been designed; more specifically, the development of tools such as agent programming languages and frameworks, which is a field of intensive research. On the other hand, recent theoretical ideas, drawn from situation semantics theory and the works of Sutton on semantic information, support this work. This paper applies…
SERS detection of cell surface and intracellular components of microorganisms using nano-aggregated Ag substrate
2016
Abstract The intracellular and cell surface composition and structural features of gram-positive and gram-negative bacteria were identified using near-infrared surface-enhanced Raman scattering (SERS). The structural differences of components that reside in the cell envelope are manifested by their SERS spectra, e.g. gram-negative vs. gram-positive. Silver particles were used as a SERS substrate by exploiting the existence of strong local electromagnetic fields (hot spots) within nanoscale aggregates of the particles. The aggregation of silver nanoparticles was induced by magnesium ions. These hot spots reduce the screening length of the double layer. The obtained SERS spectra showed excell…
Longitudinal and cross-sectional associations of adherence to 24-hour movement guidelines with cardiometabolic risk
2022
This study aimed to examine 1) adherence to 24-hour movement guidelines over a 2-year follow-up in children aged 6-8 years and 2) association of this adherence with cardiometabolic risk factors. Physical activity and sleep were assessed by a monitor combining heart rate and accelerometry measurements. Screen time was reported by the parents. Body fat percentage, waist circumference, blood glucose, serum insulin, plasma lipids and blood pressure were assessed, and a cardiometabolic risk score was calculated using z-scores. Children were classified as meeting the guidelines if they had on average ≥60min/day of moderate-to-vigorous physical activity during the valid days; ≤120min/day of screen…
Dealing with the right of way in advanced traffic simulation. A characterization of drivers' behaviours in a multi-agent approach
2017
International audience; With the emergence of ADAS and autonomous vehicle, the need of simulation software to test advanced systems and models is unavoidable. The objective of this work is to characterize, in a multi-agent approach, the traffic vehicles behaviours, and to model them in a versatile traffic simulator, serving as a testing tool for integration in the traffic module of the SCANeR Studio T M simulation software. The algorithm will bring more natural interactions between vehicles in simulation and allow the emergence of new relevant situations for autonomous vehicles, observable in real, such as collision risk situations or even accidents, which have for now to be scripted in sce…
Pelaaja-agentit jalkapalloilun globalisoitumisen ilmentäjinä Suomessa
2012
Suomalainen jalkapalloilu on globalisoitunut vauhdilla ensimmäisten ulkomaalaisten pelaajien tultua pääsarjaan 1970–luvun lopulla. 80–luku oli vielä varovaista kokeilujen aikaa, mutta 90–luvulla pelaajasiirrot yleistyivät rajojen auettua ja jalkapallomaailmaan tulleen Bosman-säännön myötä. 2000-luvulla Veikkausliigaseuroilla on ollut keskimäärin noin viisi ulkomaalaista pelaajaa seurakohtaisten toimintatapojen ollessa hyvin erilaisia. 2000–luvulla kiinnostus on siirtynyt afrikkalaisiin pelaajiin, joiden määrä Veikkausliigassa on noussut merkittävästi. Vuonna 2010 Veikkausliigan ulkomaalaisista peräti 37 % oli afrikkalaisia pelaajia. 90-luvulla Bosmanpäätöksen myötä lisääntynyt pelaajatarjon…
Female reproductive factors are associated with objectively measured physical activity in middle-aged women
2017
Physical activity improves health and may delay the onset of several chronic diseases. For women in particular, the rate of these diseases accelerates at middle age; therefore it is important to identify the determinants of health-enhancing physical activity during midlife in this population. In this study, we focused on determinants that are unique to the female sex, such as childbearing and menopause. The main objective was to characterize the level of physical activity and differences between active and inactive middle-aged Finnish women. In addition, we examined the association of physical activity with female reproductive factors at midlife. The study population consisted of 647 women …
Promoting physical activity in Finnish early childhood education and care, and the implementation of national recommendations of physical activity fo…
2022
Joy in Motion is a nationwide physical activity and well-being programme aimed at early childhood education and care (ECEC) launched in 2015 in Finland. The aim is to enable every child to be physically active and enjoy physical activity every day. Latest updates of the Finnish recommendations for physical activity in early childhood was published in 2016. The key message in the recommendations is Joy, play and doing together. Daily physical activity is just as important for children's well-being as healthy nutrition and sufficient sleep and rest. Presentations discuss the current state of the programme with more than 2200 registered early education units and provides concrete examples of t…
Bem-estar psicológico em função da etapa de vida, sexo e sua interação
2016
Objetivo. Evaluar las diferencias en las dimensiones del bienestar psicológico en función de los grupos de edad, sexo y su interacción. Método. Se obtuvo una muestra de 706 participantes, dividida en tres grupos de edad (jóvenes, adultos y adultos mayores), quienes respondieron a las escalas de bienestar psicológico de Ryff. Se calculó un Manova teniendo en cuenta las variables grupo de edad, sexo y su interacción. Posteriormente, se realizaron varios Anova para conocer entre cuáles grupos existían diferencias para cada dimensión. Resultados. El análisis mostró una disminución, con la edad, en las dimensiones de bienestar psicológico de relaciones positivas con otros y crecimiento personal,…