1,859 research outputs found

    Efficient Video Indexing on the Web: A System that Leverages User Interactions with a Video Player

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    In this paper, we propose a user-based video indexing method, that automatically generates thumbnails of the most important scenes of an online video stream, by analyzing users' interactions with a web video player. As a test bench to verify our idea we have extended the YouTube video player into the VideoSkip system. In addition, VideoSkip uses a web-database (Google Application Engine) to keep a record of some important parameters, such as the timing of basic user actions (play, pause, skip). Moreover, we implemented an algorithm that selects representative thumbnails. Finally, we populated the system with data from an experiment with nine users. We found that the VideoSkip system indexes video content by leveraging implicit users interactions, such as pause and thirty seconds skip. Our early findings point toward improvements of the web video player and its thumbnail generation technique. The VideSkip system could compliment content-based algorithms, in order to achieve efficient video-indexing in difficult videos, such as lectures or sports.Comment: 9 pages, 3 figures, UCMedia 2010: 2nd International ICST Conference on User Centric Medi

    Baby Boomers & adult Ageing: Issues for Social and Public policy

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    This paper provides a critical assessment of academic and policy approaches to population ageing with an emphasis on the baby boomer cohort and constructions of late-life identity. It is suggested that policy towards an ageing population has shifted in focus, away from particular social hazards and towards an attempt to re-engineer the meaning of legitimate ageing and social participation in later life. Three themes are identified: constructing the baby boomers as a force for social change, a downward drift of the age associated with 'older people' and a shift away from defining ageing identities through consumption, bacl towards work and production. The paper concludes with a discussion of the implications for future social and public policy

    The Age-shift: observations on social policy, ageism and the dynamics of the adult lifecourse

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    Through a critical engagement with policy trends, we ask how shifts in ideologies of ageing might influence the possibilities available to adults as they grow older. Of particular interest are the implications for how people are being encouraged to think about the adult lifecourse. We address these questions by looking at policy development, taking the 2000–2005 period in the UK as a case example, and by comparing this period to wider regional and international trends. Finally, we assess the implications of contemporary policy, from a psychodynamic point of view, for the maintenance of a viable identity in later life and for intergenerational relationships

    The DWP CUEP Review

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    The Department of Work & Pensions (DWP) commissioned the Research Unit for Financial Inclusion at Liverpool John Moores University to undertake this independent academic research study into credit union experience of the Credit Union Expansion Project (CUEP)

    A Manual of Credit Union Governance

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    Acest manual a fost elaborat din dorința de a deveni un instrument util Ăźn educarea directorilor, a personalului angajat, a colaboratorilor și a membrilor caselor de ajutor reciproc(C.A.R.) din RomĂąnia și a uniunilor de credit din Marea Britanie.Acest manual este un produs intelectual ca parte a programului „Finanțarea financiară pentru incluziune socială”, finanțat prin programul Erasmus + Ăźn cadrul inițiativei „Cooperare pentru inovare și schimb de bune practici”și, Ăźn mod specific, Ăźn cadrul măsurii „Parteneriate strategice pentru educația adulților”

    The Irish Credit Union Business Model: Is it still fit for purpose?

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    By any objective standard, the credit union movement in Ireland achieved amazing success during the first four decades after its founding in the 1950s. In the years since, however, it has been in gradual but on-going decline. Despite their current financial strength, credit unions must substantially change how they do business, or their long-term future is in doubt. The objective of this research paper is to explore the reasons for this decline and to prompt discussion and debate by credit unions and their stakeholders on how that decline can be reversed

    M.I.T./Canadian Vestibular Experiments on the Spacelab-1 Mission. Part 1: Sensory Adaptation to Weightlessness and Readaptation to One-G: An Overview

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    Experiments on human spatial orientation were conducted on four crewmembers of Space Shuttle Spacelab Mission 1. The conceptual background of the project, the relationship among the experiments, and their relevance to a 'sensory reinterpretation hypothesis' are presented. Detailed experiment procedures and results are presented in the accompanying papers in this series. The overall findings are discussed as they pertain to the following aspects of hypothesized sensory reinterpretation in weightlessness: (1) utricular otolith afferent signals are reinterpreted as indicating head translation rather than tilt, (2) sensitivity of reflex responses to footward acceleration is reduced, and (3) increased weighting is given to visual and tactile cues in orientation perception and posture control. Results suggest increased weighting of visual cues and reduced weighting of graviceptor signals in weightlessness

    Coexisting Crohn's Disease and Takayasu's Arteritis in Two Patients Treated with Anti-TNF-α Therapies

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    Crohn's disease (CD) and Takayasu's arteritis (TA) are inflammatory granulomatous autoimmune disorders. Simultaneous occurrence of CD and TA in the same individual is rare. We report two cases treated with biologic agents. Case 1: A 16-year-old male presented with abdominal pain, nausea, vomiting. CT angiogram showed thickening of the terminal ileum, wall thickening and narrowing of multiple large and medium arteries including aorta and left common carotid. Colonoscopy with biopsy of the stenotic ileocecal valve confirmed CD. Resected carotid artery pathology was consistent with TA. Treatment was initially begun with prednisone, then methotrexate was started followed by infliximab. Due to side effects, methotrexate was switched to azathioprine. He remained asymptomatic. Case 2: A 38-year-old male with well-characterized Crohn's ileocolitis for 15 years, who had been treated with prednisone, mesalamine, sulfasalazine, and azathioprine presented with chest, upper back and abdominal pain. CT angiogram showed vasculitis of large and medium arteries, with stenosis of the right renal artery, and wall thickening of the sigmoid colon. He was diagnosed with TA. He underwent treatment with infliximab and adalumimab on different occasions, which were later discontinued due to fever, bacteremia and complications from sepsis. He remained on prednisone and azathioprine. In these two patients with both CD and TA the diagnoses were confirmed by imaging and pathologic findings. Both patients developed vascular complications. Tumor necrosis factor inhibitor therapy was effective in one patient but discontinued in the other due to infection. Further research into the association of CD and TA may provide clues to their etiologies and guide effective interventions
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