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  • About
  • The Global ETD Search service is a free service for researchers to find electronic theses and dissertations. This service is provided by the Networked Digital Library of Theses and Dissertations.
    Our metadata is collected from universities around the world. If you manage a university/consortium/country archive and want to be added, details can be found on the NDLTD website.
341

Supporting multiplatform applications with YA-RPC / Supporting multiplatform applications with YA-RPC

Kovařík, František January 2011 (has links)
Title: Supporting multiplatform applications with YA-RPC Author: František Kovařík Department: Department of Software Engineering Supervisor: RNDr. Petr Hnětynka, Ph.D. Supervisor's e-mail address: hnetynka@d3s.mff.cuni.cz Abstract: Over the last three decades, Remote Procedure Call (RPC) has become a popular inter-computer and inter-process communication paradigm widely used by a variety of interconnected computer systems. Even though a number of RPC protocols and implementations evolved over those years, no single system offers a significant set of features, while providing an easy-to-use application programming interface. In this thesis, we present Yet Another Remote Procedure Call - YaRpc, a specification of a flexible and programmer friendly middleware that offers advanced features such as pluggable transports and protocols, callbacks, and configurable method dispatch. Additionally, we define YaRpc Native Protocol (YNP), a new light-weight high-performance RPC protocol with a rich set of features. We provide a native implementation of both YaRpc middleware and YNP protocol for Java and .NET Framework, and compare its usability with Java RMI, .NET Remoting and SOAP web services. Keywords: YaRpc, remote procedure call, distributed system
342

Pracovní doba ve zdravotnictví / Working time in healthcare

Kopačková, Tereza January 2016 (has links)
This thesis with the topic Working time in healthcare makes an effort to deal comprehensively with the particular issues of the working time institutes, their application in healthcare and it alternatively point to some defiency in legislation. The regulation of the working time is one of the most important working conditions especially for the workers due to the fact that they spend more than one third of their day at work. In case of the healtcare workers it's even more than one third of their day. In first chapters I pursued regulation of the working time from the view of the international law, in concrete from the view of the Conventions of International Labour Organization. I focused more on the European Union regulations, especially on the Working Time Directive, because due to this directive there is no longer the institute of the on-call duty at workplace in czech legislation. The Directive also allowed to legitimize further agreed overtime work for healthcare works. In the third chapter I focused on the regulation of the working time itself. I analyzed the characteristics and compared the current wording with the definition in the Labour Code from the 1965. In the following chapters I analyzed the lenght of working time and its scheduling. I pointed out the differences between fixed, short...
343

Uplink Power Control and Soft Handoff Prioritization in Multimedia DS-CDMA

Shi, Wei 20 January 2006 (has links)
In the CDMA cellular networking system, power control is a very important issue because it is an interference limited system. In order to reduce the near-far problem and improve the battery life of mobile station, the transmit power of mobile stations must be controlled to limit interference. In this paper, we study the effect of power control on system performance. Different power control rates may have influence on the performance. Meanwhile, we take the consideration of different call admission control algorithm. By introducing soft handoff waiting queue and guard channel into the soft handoff algorithm, we compare the power control influence on a base case (which is similar to IS95 algorithm, but with perfect power control) and proposed call admission control algorithm. The simulation shows that increasing power control rate and combination of power control and soft handoff prioritization can greatly reduce the blocking rates and refuse rates of new/soft handoff calls, thus the system performance is improved.
344

Taintx: A System for Protecting Sensitive Documents

Dillon, Patrice 06 August 2009 (has links)
Across the country members of the workforce are being laid off due to downsizing. Most of those people work for large corporations and have access to important company documents. There have been several studies suggesting that employees are taking critical information after learning they will be laid off. This becomes an issue and a threat to a corporation's security. Corporations are then placed in a position to make sure sensitive documents never leave the company. In this study we build a system that is used to assist corporations and systems administrators. This system will prevent users from taking sensitive documents. The system used in this study helps to maintain a level of security that is not only beneficial but is a crucial part of managing a corporation, and enhancing its ability to compete in an aggressive market.
345

An analysis of factors that motivate Campus Crusade for Christ staff to enter Vocational Christian Service

Weakley, Thomas Wayne 01 May 2005 (has links)
This dissertation identifies and rank orders key factors that motivate and influence Campus Crusade for Christ Staff members, during their college experience, to accept the calling of God and enter vocational Christian service. By investigating these factors, this study can aid in developing laborers for the harvest. The research consisted of administering the research instrument with one hundred and eighty-five research participants. The instrument provided both demographic and motivational factor data for analysis. The targeted population for this study was the new staff of Campus Crusade for Christ in the summer of 2004. The analysis and findings of the data relate to four motivational factors: Theological, Relational, Mentoring, and Ministry experiences. The first research question measured six theological motivational factors: the lostness of man, eternal perspective, lordship of Christ, stewardship of life, the great commission, and spiritual calling. The findings of the study indicated the eternal perspective factor as the most influential theological factor. A casual observation from the research also found that of the four motivational factors, (e.g., Theological, Relational, Mentoring, and Ministry experiences) the Theological motivational factors were ranked the most important. The second research question tested the influence of six relational factors: current church, small group, other peers, parental, mentor, and professional minister. The mentor relationship was found to be the most influential relational factor. Along with the relational factors, the third research questioned measured the type of mentoring and the influence of mentoring on the participants. The intensive staff mentoring category was found to be the most influential category of mentoring. The last motivational factor measured in the study involved eleven different ministry experiences. The findings found that the ministry experiences were the second most influential category of motivational factors. It was concluded that the ministry experiences had a cumulative impact on the participants as the experience was often accomplished in a relational atmosphere. The current study indicates that numerous factors motivate one to accept the call of God and enter Vocational Christian Service. / This item is only available to students and faculty of the Southern Baptist Theological Seminary. If you are not associated with SBTS, this dissertation may be purchased from <a href="http://disexpress.umi.com/dxweb">http://disexpress.umi.com/dxweb</a> or downloaded through ProQuest's Dissertation and Theses database if your institution subscribes to that service.
346

Implicit leadership theories, leader-member exchange and its workplace outcomes: a case of South African call centre agents

Jansen, Althea January 2015 (has links)
Thesis M.Com. (Human Resources Management))--University of the Witwatersrand, School of Economic and Business Sciences, 2014. / The purpose of this research is to investigate the role of implicit leadership theories (ILTs) in leader-member exchanges (LMX) and the association of these leadership variables on employee outcomes, customer service orientation and turnover intentions. The specific context for this study is call centres. The growth in the call centre industry has warranted an investigation into variables that lead to their success. With an increased focus on retaining satisfied customers, the need to understand the factors that lead to this is emphasised. The importance of leadership and its impact on the success of organisations is often accentuated in the literature This research aimed to gain a better understanding of the variables which affect the success of call centres from a leadership perspective. The effect of leadership and specifically leader- member exchange - on employee and organisational outcomes is studied. These outcomes include job satisfaction, commitment, psychological empowerment, turnover intentions and customer orientation. The effect of implicit leadership theories (ILTs) on LMX was also assessed. This research was conducted in the South African call centre context. The target population was defined as call centre agents in the Gauteng region. 192 call centre agents from various call centres formed part of the sample. Data was gathered using self-report questionnaires. The questionnaire was administered in two parts and once all the data was collected, the relationships were tested using structural equation modelling in the SAS 9.3 statistical program. Various other tests were conducted, including tests for reliability and validity. Cronbach alphas were calculated in order to confirm the reliability of the variables. A confirmatory factor analysis was conducted in order to confirm validity. Furthermore, correlation analysis iv and path analysis was conducted to ascertain the significance of the relationships identified. LMX and psychological empowerment were found to be central in this research, having the greatest impact on the outcome variables studied; turnover intentions and customer orientation. Important recommendations for further research include the assessment of a more balance mix of in-bound and out-bound call centres since differences may exist and this research was predominantly comprised of in-bound call centres. With one of the most significant paths identified being psychological empowerment to employee customer orientation, the findings suggest that call centre managers may need to consider the long term effects of psychological empowerment on employee customer orientation and turnover intentions. The cost involved with employees leaving the organisation or losing dissatisfied customers may warrant an initiative to empower call centre agents. The use of self-managed teams may be one way to achieve this. Leaders were also found to play a central role in the outcomes studied in this research. In this regard, leaders should also go on extensive training programmes on how to deal with individual employees and on establishing good relationships with them. Managers could get peer reviews of leaders to understand where and if any problems exist. The use of team building exercises may also assist in developing good, high quality LMX relationships.
347

Kan optioner förbättra den riskjusterade avkastningen i en aktieportfölj? : En studie om optionsstrategin covered call på stockholmsbörsen

Saks, Anton January 2019 (has links)
Författarens syfte med studien är att undersöka om optionsstrategin covered call, kan generera bättre riskjusterad avkastning än jämförelseindex. Författaren bygger den kvantitativa undersökningen på sekundärdata som inhämtats från flera leverantörer av finansiell datahistorik. Ekonomisk teori som tillämpas är teorin om effektiva marknader, finansiell beteendevetenskap samt prospektteorin. Resultatet påvisar en riskjusterad högre avkastning för covered call-strategin. Adderas uppskattade transaktionskostnader visar resultatet att covered call har lägre standardavvikelse medan avkastningen är densamma som index.
348

Factibilidad para la implementación de una operación de Contact Center ubicada en Lima

Mantilla Hidalgo, José Antonio 25 March 2019 (has links)
El presente documento tiene como propósito evaluar la factibilidad de poner en marcha y de manera rentable una operación de contact center en Lima, teniendo como elemento diferenciador el operar de acuerdo a la certificación de calidad COPC GMD especializada para operaciones de contact center. Se ha realizado un análisis del entorno, el sector y del negocio, para lo cual se ha utilizado las principales herramientas y modelos teóricos, así como la experiencia de haber manejado una operación exitosa en este sector por más de 10 años. A través de análisis económico y financiero se determinó que existía la factibilidad de llevar a cabo esta operación con un retorno atractivo para los inversionistas. Asimismo, se determinó que existe espacio para puesta en marcha de un nuevo contact center en Lima y que la certificación de calidad COPC GMD, en sí misma, no representaba un elemento diferenciador, sin embargo, se convertía en un elemento higiénico. / The purpose of this document is to evaluate the feasibility of launching and operating a contact center operation in Lima profitably, having as a differentiating element the operation in accordance with the COPC GMD quality certification specialized for contact center operations. An analysis of the environment, the sector and the business has been carried out, for which the main tools and theoretical models have been used, as well as the experience of having managed a successful operation in this sector for more than 10 years. Through economic and financial analysis it was determined that there was a feasibility to carry out this operation with an attractive return for investors. Likewise, it was determined that there is space for the start-up of a new contact center in Lima and that the quality certification COPC GMD, in itself, did not represent a differentiating element, however, it became a hygienic element. / Tesis
349

Comportamento legislativo e política externa na América Latina / Legislative behavior and foreign policy in Latin America

Ribeiro, Pedro Feliú 27 November 2012 (has links)
Como votam os legisladores latino-americanos em temas de política externa? Essa pergunta é norteada por um longo debate na literatura especializada acerca da especificidade da política externa em relação às demais políticas públicas e sua influência no comportamento legislativo. Por um lado, argumenta-se uma tendência a um comportamento unificado entre os partidos políticos nos temas internacionais, revelando baixa politização da política externa na arena legislativa. O elevado custo eleitoral de se opor à política externa presidencial, o baixo retorno eleitoral dos temas internacionais e a maior capacidade institucional do Poder Executivo conduzir a política externa do país são alguns dos principais argumentos desta perspectiva analítica. Por outro lado, enfatiza-se a importância dos arranjos e coalizões domésticas na formulação da política externa, apontando semelhança entre os comportamentos legislativos nas arenas doméstica e internacional. A diluição entre a fronteira que divide os assuntos domésticos e internacionais, assim como o crescente efeito distributivo advindo da política externa em economias cada vez mais interdependentes são alguns dos fatores explicativos desta perspectiva teórica. Embora haja grande profusão de estudos acerca do comportamento legislativo na política externa cujo objeto é o caso norte-americano, para o caso dos países latino-americanos ainda há um baixo número de trabalhos empíricos, especialmente aqueles que incluem mais de um caso na análise. Assim, a presente tese analisa as votações nominais em temas de política externa em seis países latino-americanos: Argentina, Brasil, Chie, México, Paraguai e Peru. São dois os principais objetivos. Primeiro, comparar o comportamento legislativo em temas de política externa e doméstica a fim determinar semelhanças e diferenças em alguns aspectos centrais: o nível de unidade partidária, a dimensionalidade dos votos e o nível de conflito interpartidário. Segundo, encontrar os fatores determinantes do voto do legislador latino-americano em temas de política externa. Para tanto, calculamos os índices de Rice dos principais partidos políticos dos seis países, comparando-os com os scores da arena doméstica. Fazemos o uso de técnicas de estimação dos pontos ideais dos legisladores latino-americanos em temas de política externa para determinar o nível de conflito interpartidário e a dimensionalidade das votações. Adicionalmente, analisamos o voto do legislador latino-americano em temas de política comercial por meio de regressão logística, incluindo nos modelos explicativos variáveis correspondentes às características socioeconômicas do distrito eleitoral do legislador. Nossos resultados indicam baixa diferenciação entre os níveis de unidade partidária dos partidos 5 políticos nas arenas doméstica e internacional, além de níveis similares de conflito interpartidário, ainda que haja algumas variações importantes entre os casos. Verificou-se baixa dimensionalidade nas votações de política externa em todos os países, interpretada como a disposição dos partidos políticos no contínuo ideológico direita - esquerda e a dicotomia entre governo e oposição. Finalmente, a análise dos modelos logísticos indica, para o caso específico da política comercial, similaridade nos fatores estruturadores do voto do legislador, mais notadamente a dicotomia entre governo e oposição e a ideologia dos partidos políticos. Concluímos a baixa relevância da especificidade da política externa na influência do comportamento legislativo em plenário, comportamento este muito similar às demais políticas públicas. / How do Latin-American legislators vote in foreign policy issues? The question addresses a long debate in the specialized literature regarding foreign policy specificity among other public policies and its influence on legislative behavior. On one hand, unified behavior among political parties on international issues is argued to be the standard behavior, revealing low polarization in legislative foreign policy decisions. The high costs of opposing presidents foreign policy, the low electoral gains obtained from foreign policy activism and the greater capacity of Executive to conduct international issues are among the main arguments of this perspective. On the other hand, the importance of domestic institutions and coalitions are emphasized as important features of the foreign policy decision-making process, pointing out similarity between legislative behaviors in both arenas. The dilution between domestic and foreign boundaries, as well as the distributive effect from increasing internationalized economies derived from foreign policy choices are some of explanatory features from this theoretical perspective. Although there is a great amount of studies focusing on legislative behavior in foreign policy at the US Congress, there is a lack of empirical research regarding Latin-American countries, especially across cases. The present thesis investigates foreign policy roll call votes of six Latin American countries: Argentina, Brazil, Chile, Mexico, Paraguay and Peru. The main goals are two. First, to compare the legislative behavior in domestic and foreign policies regarding the level of party unity, dimensionality of voting and the level of inter-party conflict. Second, explaining legislative votes in foreign policy. We calculate the rice index for the major political parties of the six countries mentioned above, comparing the scores in both domestic and international arenas. We also apply technics of estimating legislator\'s ideal points to assess the level of inter-party polarization and the dimensionality of foreign policy votes. We argue that there is no significant difference between legislative behaviors regarding the domestic and foreign arenas. Party unity, the level of inter-party polarization and the dimensionality of policy are all quite similar in both domestic and international issues. Our findings also indicate low dimensionality in foreign policy votes interpreted as the ideological position of political parties and the government opposition dichotomy. Finally, the logistic models also indicate ideology and coalition as the main explanatory variables of legislators votes in trade policy. The specific nature of foreign policy does not impact significantly legislative behavior in Latin America.
350

A LÍNGUA QUE NÃO SE VÊ: O PROCESSO DE ENSINO-APRENDIZAGEM DE ESPANHOL MEDIADO POR COMPUTADOR PARA DEFICIENTES VISUAIS

Fontana, Marcus Vinícius Liessem 26 February 2009 (has links)
Made available in DSpace on 2016-03-22T17:26:11Z (GMT). No. of bitstreams: 1 a_lingua_que_nao_se_ve-marcus_fontana.pdf: 1308468 bytes, checksum: 1f56efba9e03fde469c227df08486109 (MD5) Previous issue date: 2009-02-26 / Coordenação de Aperfeiçoamento de Pessoal de Nível Superior / Because of the great technological advances that our society is going through, Distance Learning and computer-assisted education have progressed quickly and gained space in recent years (Leffa, 2005 and 2006; Moran, 2006; Schoenherr, 2001; Schrumm, 1999). On the other hand, little has been made to include people with visual impairment in this revolution which is affecting education today. With the purpose of contributing to change this scenario, this study reports on an investigation conducted to examine the learning process of visually-impaired students in a computer-assisted reading course in Spanish, specifically designed for this audience, the course ¡Oye la Lengua !. As it is usually done in action research (Thiollent, 1998), all the steps in the preparation of the course are documented here, from its conception to materials production and practical teaching procedures with the students. The process of continuous analysis and reconstruction of the course structure are equally explained, which resulted from the monitoring of the needs, problems and suggestions from students, spread throughout the national territory and even Portugal. Students knowledge construction and performance evolution were analyzed through the six principles of Activity Theory (Kaptelinin, 1996), whose foundations are based on the studies of the Russian psychologist Lev Vygotsky, along with the concept of cyborgization, as advanced by Haraway (1991) and Chislenko (1995). The findings of this study lead to the conclusion that a properly prepared course, within minimum accessibility standards, can be very useful for people with visual disabilities. This could be substantiated by the clear progress in learning demonstrated by visually impaired students at levels that are similar to the student who sees and took part in this investigation. The final conclusion is that Distance Learning and computer-assisted education, when carefully employed, can be useful tools to promote inclusion and reduce inequalities. More than that, with the blending of Activity Theory and cyborgization, it was possible to see that as beginning students master the technology they incorporate it in their daily lives and improve their performance in the foreign language to a level that is closer to that of more advanced students. This suggests that cyborgization reduces inequality, includes people and humanizes them / Em virtude do grande avanço tecnológico que nossa sociedade experimenta, a Educação a Distância e o ensino mediado por computador têm progredido rapidamente e ganhado espaço nos últimos anos (Leffa, 2005 e 2006; Moran, 2006; Schoenherr, 2001; Schrumm, 1999). Proporcionalmente pouco, entretanto, tem sido feito no que diz respeito à inclusão das pessoas com deficiência visual nessa verdadeira revolução por que passa a educação hoje. Com o intuito de colaborar para a mudança desse quadro, o presente documento registra uma pesquisa desenvolvida em torno do processo de aprendizagem de alunos deficientes visuais em um curso instrumental de língua espanhola mediado por computador elaborado especificamente para esse público, o curso ¡Oye la Lengua!. Como trabalho desenvolvido no âmbito da pesquisa-ação (Thiollent, 1998), são narrados todos os passos da elaboração do curso, desde sua concepção, passando pelo desenvolvimento de materiais e chegando à aplicação prática. Igualmente são explicados os processos de contínua análise e reconstrução da estrutura do curso, conforme acompanhamento das necessidades, dificuldades e sugestões dos alunos-sujeitos, espalhados por todo o território nacional e até mesmo em Portugal. A construção do conhecimento desses alunos e a evolução de seu desempenho foram analisados a partir dos seis princípios da Teoria da Atividade (Kaptelinin, 1996), cujas bases estão assentadas nos estudos do psicólogo russo Lev Vygotsky, e do conceito de ciborguização (Chislenko, 1995; Haraway, 1991). Como resultado desse trabalho, chegou-se à conclusão de que um curso adequadamente elaborado, dentro de critérios mínimos de acessibilidade, pode ser bastante útil para pessoas com deficiência visual, o que pôde ser comprovado pelo evidente progresso na aprendizagem demonstrado pelos alunos deficientes visuais, em níveis que se assemelham aos da aluna vidente que tomou parte na pesquisa. Mais que isso, com a aproximação feita entre TA e ciborguização, foi possível perceber que ao passo que um estudante domina melhor a tecnologia, a ferramenta, incorpora-a a seu dia a dia, passa a obter melhor desempenho no idioma estrangeiro, aproximando-se rapidamente daqueles que tinham conhecimentos prévios da língua alvo, o que demonstra que a ciborguização diminui desigualdades, inclui, humaniza

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