997 resultados para TV white spaces


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A feature-based fitness function is applied in a genetic programming system to synthesize stochastic gene regulatory network models whose behaviour is defined by a time course of protein expression levels. Typically, when targeting time series data, the fitness function is based on a sum-of-errors involving the values of the fluctuating signal. While this approach is successful in many instances, its performance can deteriorate in the presence of noise. This thesis explores a fitness measure determined from a set of statistical features characterizing the time series' sequence of values, rather than the actual values themselves. Through a series of experiments involving symbolic regression with added noise and gene regulatory network models based on the stochastic 'if-calculus, it is shown to successfully target oscillating and non-oscillating signals. This practical and versatile fitness function offers an alternate approach, worthy of consideration for use in algorithms that evaluate noisy or stochastic behaviour.

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The Average White Band's debut album, Show your hand, was released in 1973. The "classic funk and R & B" band included members Alan Gorrie, Owen "Onnie" McIntyre, Malcolm "Mollie" Duncan, Roger Ball, Robbie McIntosh, and Mike Rosen. Rosen was quickly replaced by Hamish Stuart. The band, comprised of Scotsmen, released a second album in 1974 that featured the US number 1/UK Top 10 single "Pick up the Pieces". That same year, Robbie McIntosh died of a heroin overdose and was replaced by Steve Ferrone. The song "Cut the Cake" from their third album made the US top 10, and subsequent releases in the late 1970s and early 1980s proved successful. The members largely pursued individual projects in the years that followed, but re-formed in 1989 (with original members Gorrie, Ball and McIntyre, and new members Alex Ligertwood and Eliot Lewis) and released the album Aftershock. Over the years, the band's members have changed, and the band is currently comprised of Onnie McIntyre, Rocky Bryant, Alan Gorrie, Fred "Freddy V" Vigdor and Klyde Jones. Their most recent album, Times Squared, was released in 2009.

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This study examines the first experience of students, teachers, and an administrator in implementing a teacher-designed Leadership in Social Justice Program at a large urban Ontario secondary school. The program aimed to infuse a Freirean concept of critical pedagogical praxis (Freire, 1970/1993) in a grade 12 integrated educational experience with a social justice directive. Data were collected through two questionnaires and eight in-depth interviews. The data identified three areas of awareness that described ways in which student participants were impacted most profoundly (a) developing self-awareness, (b) understanding a new educational paradigm, and (c) finding a place in the world. The study found that the program was successful in highlighting the possibility for more meaningful education and engaged many students deeply; however, its success was limited by the lead teacher’s failure to fully grasp and implement tenets of Freirean critical pedagogy that involved the role of the teacher in pedagogical processes.

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This thesis is based on 13 qualitative interviews conducted with 12 individuals whom I refer to as (gender)queers in Winnipeg, Manitoba, and St. Catharines, Ontario. Drawing on queer theory and the literature of sexuality and space, I explore how (gender)queers experience women's public washrooms as gendered and heterosexualized spaces. I examine the degree to which a simultaneous heterosexing and female gendering of women's public washrooms is linked to the marginalization and sometimes violent exclusion of (gender)queers within these particular spaces. I also discuss the ways in which (gender)queers may use a variety of strategies aimed at navigating heterosexualized and gendered public washrooms. Finally, I explore alternatives to conventional washrooms spaces, including the gender-neutral washrooms, multi-stall non-gendered public washrooms, and public washrooms in queer spaces.

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As a recent teacher education graduate, I have been left with more questions than answers about how to create and maintain an equitable and antioppressive classroom. These complicated questions of equity laid the groundwork for this study, which explored how new teachers understood diversity, specifically whiteness, and how they connected these perceptions to their course-related experiences in their teacher education program. Using a qualitative approach, this study problematized the lack of critical discussions around diversity taking place in Ontario teacher education courses. Through purposive, homogenous sampling, 7 new Ontario educators participated in a semistructured interview that focused on their experiences as teacher candidates and new teachers and their understandings and ideas regarding diversity, race, and more specifically, whiteness. The findings suggest that the greater Canadian discourse surrounding multiculturalism impacts the everyday diversity talk of the participants, and that problematic ideas of acceptance and tolerance are common. The findings also show a strong discomfort and unfamiliarity among the participants with the terms whiteness and white privilege. Finally, the results also revealed that new teachers have limited experience in their teacher education to discuss and learn about diversity, particularly critical discussions about race and privilege. Through this investigation, I aimed to bring attention to the necessity of having these critical, albeit difficult, discussions around diversity and whiteness in order to support new, predominately white, teachers.

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UANL

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Parmi les pratiques d’intervention sociale qui se produisent quotidiennement dans les milieux institutionnel et associatif au Québec, une catégorie est particulièrement ciblée depuis quelques décennies, les jeunes ou la jeunesse. En s’inscrivant dans une démarche réflexive et exploratoire sur les fondements des pratiques d’intervention auprès des jeunes, le présent mémoire propose d’explorer le sens et la pertinence sociale de ces dernières à travers les perspectives des intervenants eux-mêmes. Pour ce faire, nous effectuons des études de cas selon une approche clinique et critique en sociologie. En allant chercher dans les témoignages d’un certain nombre d’intervenants des milieux institutionnel, communautaire et de l’employabilité leur connaissance expérientielle concernant la pratique d’intervention auprès des jeunes, nous dégageons des conceptions du social ou des sociologies implicites particulières. Se dégagent quatre idéaux-types - systémique, informationnel, normatif et clinique – qui visent respectivement l’émancipation, l’aide à l’insertion, la socialisation aux normes et le soutien humain. Notre analyse en termes de sociologie implicite explore la double question du sens selon les agents et de la fonction selon les processus engendrés. Elle permet d’articuler les conceptions que les agents sociaux se font de leur pratique avec son inscription dans le monde social. Ainsi, nous concluons que les pratiques d’intervention auprès des jeunes participent non seulement à la transformation sociale par l’ouverture d’espaces de liberté et de compréhension et par le soutien humain offert mais aussi à la normalisation et au contrôle par la constitution du marché du travail et/ou du monde adulte comme réalités auxquelles les jeunes doivent s’adapter.