180 research outputs found

    An Interpretative Phenomenological Analysis Exploring the Experience of Marital Tension for Jordanians Residing in the United Kingdom

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    Marital tension is a covert and insidious form of conflict, that often occurs in almost all marriages. Its subtle occurrence may often result in it being overlooked, however its repercussions can have a long-term impact on marital quality, stability and satisfaction, as well as the wellbeing of the spouses. Some of the negative emotions associated with marital tension may include resentment, irritation and frustration, which may vary in frequency and intensity. These may arise due to disagreements, disappointment, and irritations in the marriage. Similar to its insidious and overlooked nature, the literature depicting marital tension is scarce worldwide and more specifically, is almost non-existent within a Jordanian context. Therefore, this doctoral research, aims to address this gap through exploring the lived experience of marital tension for Jordanians residing in the UK. For this research, a homogeneous sample of eight participants were recruited, and data from the semi-structured interviews were analysed using Interpretative Phenomenological Analysis (IPA). Findings revealed three themes overarching ten subthemes. The emerging themes were as follows: ‘Facing initial challenges of marital tension’, Engaging with marital tension’ and ‘Actively attempting to resolve the tension’. The analysis revealed unique insights into the experience of marital tension, whilst highlighting cultural facets present within the experience. Participants described the transitional shifts experienced as part of marital tension, and the new dynamics introduced within the marital relationship. Participants also shared a sense of feeling stuck in enduring various challenges, whilst experiencing ongoing marital tension. In spite of that, all participants seemed to have a shared motivation to resolve martial tension. This study contributes to enriching the knowledge base and practice within the field of Counselling Psychology, by offering novel insights into the lived experience of marital tension, as well as addressing cultural sensitivity and autonomy to an ethnic minority group

    Context-Aware Service Recommendation System for the Social Internet of Things

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    The Social Internet of Things (SIoT) enables interconnected smart devices to share data and services, opening up opportunities for personalized service recommendations. However, existing research often overlooks crucial aspects that can enhance the accuracy and relevance of recommendations in the SIoT context. Specifically, existing techniques tend to consider the extraction of social relationships between devices and neglect the contextual presentation of service reviews. This study aims to address these gaps by exploring the contextual representation of each device-service pair. Firstly, we propose a latent features combination technique that can capture latent feature interactions, by aggregating the device-device relationships within the SIoT. Then, we leverage Factorization Machines to model higher-order feature interactions specific to each SIoT device-service pair to accomplish accurate rating prediction. Finally, we propose a service recommendation framework for SIoT based on review aggregation and feature learning processes. The experimental evaluation demonstrates the framework's effectiveness in improving service recommendation accuracy and relevance

    Epidémiologie des PFA et les performances du systÚme de surveillance en Mauritanie de 2008 à 2012

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    Introduction: La Commission RĂ©gionale de Certification de l’Eradication de la poliomyĂ©lite pour  l’Afrique(CRCA) en session Ă  Brazzaville du 8 au 10 octobre 2007 avait dĂ©clarĂ© la Mauritanie « libĂ©rĂ©e de  la poliomyĂ©lite ». Objectif: DĂ©crire l’épidĂ©miologie des PFA (Paralysies flasques aigues) et Ă©valuer les  indicateurs de performance du systĂšme de surveillance pour la pĂ©riode de 2008 Ă  2012 ayant suivi cette dĂ©claration. MĂ©thodes: Les donnĂ©es du service de surveillance Ă©pidĂ©miologique ont Ă©tĂ© nettoyĂ©es et analysĂ©es Ă  l’aide du logiciel Epi-infoversion 3.4.3 (CDC Atlanta).RĂ©sultats: 319 cas de PFA ont Ă©tĂ© notifiĂ© soit une incidence moyenne de 4.61/100000 enfants de moins de 15 ans par an. La distribution des cas cumulĂ©s par mois montre une importante notification des cas PFA pendant la pĂ©riode de FĂ©vrier Ă  Juillet et Ă  la suite de l’épidĂ©mie de 2009 alors que l’incidence des cas confirmĂ©s a Ă©tĂ© plus importante entre Novembre et FĂ©vrier. L’ñge moyen Ă©tait de 4ans (E.T. ±4ans) et 77.4% avaient un Ăąge ≀ 5ans. 18 cas de PFA ont Ă©tĂ© confirmĂ©s poliovirus sauvage(PVS) dont 6 en 2009 et 12 en 2010 et tous d’importation. L’ñge moyen Ă©tait de 3.4 ans (E.T ±2.6 ans). 44,4% Ă©taient des filles et 55.5% garçons. Cette proportion Ă©tait proche de celle des PFA non polio (45.1% versus 54.9%). 61% avaient reçu au plus une dose de vaccin polio orale (VPO) pour les cas de PFA polio contre 7.4% pour les PFA non polio. Aucune discrimination de genre n’a Ă©tĂ© observĂ© sur la population des PFA ayant reçu une dose au plus (ratio-sexe= 16/17=0.94). La fiĂšvre Ă©tait prĂ©sente pour 90%des cas de PFA non polio contre 85% pour les cas PVS. Cette fiĂšvre Ă  progresser en 3 jours pour tous les cas de PVS et pour 82,7% des cas de PFA non polio. Le taux d’hospitalisation Ă©tait de 13.6% pour les cas de PFA non polio contre 89% pour les PFA polio. Dans tous les deux groupes, les membres de prĂ©dilection Ă©taient d’abord l’un des 2 membres infĂ©rieurs de façon alternative (46.8%), ensuite les deux membres infĂ©rieurs Ă  la fois (22.2%). En troisiĂšme lieu, un membre supĂ©rieur et un membre infĂ©rieur de façon asymĂ©trique (5.3%) et en quatriĂšme lieu, tous les 4 membres (4.6%). Le diagnostic final des cas de PFA non polio n’était pas rapportĂ© pendant toute la pĂ©riode de l’étude, cependant, 2 cas ont Ă©tĂ© classĂ©s compatible et un cas de paralysie associĂ©e Ă  la vaccination contre la polio a Ă©tĂ© rapportĂ© en 2012 chez un enfant fĂ©minin de 3 ans ayant reçu sa premiĂšre dose de VPO. En ce qui concerne les performances des indicateurs de la surveillance, 4 indicateurs n’ont pas atteint les performances escomptĂ©es: Le pourcentage des Ă©chantillons arrivĂ©s au laboratoire national moins de 3 jours aprĂšs les prĂ©lĂšvements est restĂ© en deçà des objectifs, variant entre 40% et 70%. Il en est de mĂȘme des Districts de santĂ© ayant notifies au moins un cas (50 Ă  68%). Le pourcentage des prĂ©lĂšvements dans lesquels un entĂ©rovirus non polio a Ă©tĂ© isolĂ© a connu une Ă©volution en dents de scie avec des valeurs de 0.0% en 2008 et en 2010 et 1.9% en 2011. L’examen de suivi du 60eme jour n’a concernĂ© que les cas dont l’échantillon Ă©tait jugĂ© inadĂ©quat au laboratoire. Conclusion: Les PFA qui ont Ă©tĂ© notifiĂ©s en Mauritanie de 2008 Ă  2012 prĂ©sentent tableau clinique qui est classique, et sont notifiĂ©s avec un pic rĂ©gulier en dĂ©but des pĂ©riodes de soudure (Mars-Juillet) suggĂ©rant l’hypothĂšse d’un lien Ă©cologique avec les changements de climat et de rĂ©gime alimentaire. Les performances des indicateurs de la surveillance des PFA sont Ă  amĂ©liorer, notamment: 1) La comprĂ©hension des critĂšres de jugement de la qualitĂ© des Ă©chantillons. 2) L’examen de laboratoire et l’interprĂ©tation des rĂ©sultats. 3) La dĂ©termination du diagnostic final pour chaque cas de PFA non polio. 4) L’enregistrement des informations dans la base des donnĂ©es.Key words: PoliomyĂ©lite, PFA, Ă©pidĂ©miologie, surveillance, Ă©radicatio

    Task Offloading for Smart Glasses in Healthcare: Enhancing Detection of Elevated Body Temperature

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    Wearable devices like smart glasses have gained popularity across various applications. However, their limited computational capabilities pose challenges for tasks that require extensive processing, such as image and video processing, leading to drained device batteries. To address this, offloading such tasks to nearby powerful remote devices, such as mobile devices or remote servers, has emerged as a promising solution. This paper focuses on analyzing task-offloading scenarios for a healthcare monitoring application performed on smart wearable glasses, aiming to identify the optimal conditions for offloading. The study evaluates performance metrics including task completion time, computing capabilities, and energy consumption under realistic conditions. A specific use case is explored within an indoor area like an airport, where security agents wearing smart glasses to detect elevated body temperature in individuals, potentially indicating COVID-19. The findings highlight the potential benefits of task offloading for wearable devices in healthcare settings, demonstrating its practicality and relevance

    A Multi-Modal Latent-Features based Service Recommendation System for the Social Internet of Things

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    The Social Internet of Things (SIoT), is revolutionizing how we interact with our everyday lives. By adding the social dimension to connecting devices, the SIoT has the potential to drastically change the way we interact with smart devices. This connected infrastructure allows for unprecedented levels of convenience, automation, and access to information, allowing us to do more with less effort. However, this revolutionary new technology also brings an eager need for service recommendation systems. As the SIoT grows in scope and complexity, it becomes increasingly important for businesses and individuals, and SIoT objects alike to have reliable sources for products, services, and information that are tailored to their specific needs. Few works have been proposed to provide service recommendations for SIoT environments. However, these efforts have been confined to only focusing on modeling user-item interactions using contextual information, devices' SIoT relationships, and correlation social groups but these schemes do not account for latent semantic item-item structures underlying the sparse multi-modal contents in SIoT environment. In this paper, we propose a latent-based SIoT recommendation system that learns item-item structures and aggregates multiple modalities to obtain latent item graphs which are then used in graph convolutions to inject high-order affinities into item representations. Experiments showed that the proposed recommendation system outperformed state-of-the-art SIoT recommendation methods and validated its efficacy at mining latent relationships from multi-modal features

    Multicomponent and 1,3-dipolar cycloaddition synthesis of triazole- and isoxazole-acridinedione/xanthenedione heterocyclic hybrids: cytotoxic effects on human cancer cells

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    A new series of diverse 1,2,3-triazole-acridinedione/xanthenedione and 1,2-isoxazole-acridinedione/xanthenedione heterocyclic hybrids have been synthesized via 1,3-dipolar coupling reaction of N/O-substituted-acridinedione-alkyne or O-substituted-xanthenedione-alkyne substrates with various aromatic azides or oximes. In all cases, the cycloaddition is totally regioselective. The chemical structures of the synthesized compounds are determined using 2D NMR and are further confirmed by single-crystal X-ray diffraction analysis. Preliminary in vitro cytotoxic assays on two human breast cancer cell lines (MDA-MB-231, T47-D) and one prostate cancer cell line (PC3) are performed on some selected compounds. The most active O-1,2,3-triazole-xanthenedione hybrid displays the best cytotoxicity effects with IC50 ≀ 20 ÎŒM in breast cancer and IC50 = 10 ÎŒM in prostate cancer cell lines.publishe

    A step-by-step synthesis of triazole-benzimidazole-chalcone hybrids: Anticancer activity in human cells+

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    Novel series of triazole-benzimidazole-chalcone hybrid compounds have been synthesized via click chemistry, between different azide derivatives and substituted benzimidazole terminal alkynes bearing a chalcone moiety. The starting alkynes are prepared via base-catalysed nitrogen alkylation of pre-synthetized benzimidazole-chalcone substrates. All the intermediates as well as the final products are fully characterized by 1D and 2D NMR and mass spectrometry techniques. HMBC correlations permits the identification of a unique 1,4-disubstitued triazole-benzimidazole-chalcone isomer. Evaluation of the anti-proliferative potential in breast and prostate cancer cell lines showed that the presence of chloro substituents at the chalcone ring of the triazole-benzimidazole-chalcone skeleton enhanced the cytotoxic effects. The benzyl group linked to the 1,2,3-triazole moiety provides more antiproliferative potential.publishe
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