71 research outputs found

    Software management tools: Lessons learned from use

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    Experience in inserting software project planning tools into more than 100 projects producing mission critical software are discussed. The problems the software project manager faces are listed along with methods and tools available to handle them. Experience is reported with the Project Manager's Workstation (PMW) and the SoftCost-R cost estimating package. Finally, the results of a survey, which looked at what could be done in the future to overcome the problems experienced and build a set of truly useful tools, are presented

    Analysis of DSN software anomalies

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    A categorized data base of software errors which were discovered during the various stages of development and operational use of the Deep Space Network DSN/Mark 3 System was developed. A study team identified several existing error classification schemes (taxonomies), prepared a detailed annotated bibliography of the error taxonomy literature, and produced a new classification scheme which was tuned to the DSN anomaly reporting system and encapsulated the work of others. Based upon the DSN/RCI error taxonomy, error data on approximately 1000 reported DSN/Mark 3 anomalies were analyzed, interpreted and classified. Next, error data are summarized and histograms were produced highlighting key tendencies

    International terrorism and the american dream: A dialectical fairytale

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    La construcción que hoy día se hace del terrorismo en el sistema internacional es parte de nuestros mundos de ensueño de consumo masivo confrontado con las imágenes del sueño americano. Estos mundos ideales proporcionan los discursos hegemónicos de una política paneuropea y universalista que asesina a un gran número de civiles inocentes con fines políticos, actos de terrorismo, al mismo tiempo que niega que tales actos constituyan terrorismo. La violencia utilizada se representa como un sacrificio compartido y necesario para el sueño americano, sugiriendo una unidad, de otra manera inexistente, supuestamente en “defensa propia” frente al terrorismo. En realidad, lo que se está consumando no son acciones contra el terrorismo y la guerra de agresión, sino guerra de agresión y terrorismo en sí mismos haciéndose pasar por la defensa de las comunidades imaginadas de la nación y “Occidente”. El artículo hace hincapié especialmente en los medios de comunicación y en las películas de Hollywood, incluyendo las redes sociales. El trabajo se basa en el análisis del sistema-mundo, académicos de Relaciones Internacionales y teóricos de la cultura, los medios y la comunicación para analizar los usos del terrorismo hoy en día. Al mismo tiempo, el artículo se basa en teóricos críticos y en intelectuales públicos, desde Edward Said a Judith Butler o el Papa Francisco, para criticar las oposiciones binarias y orientalistas de los discursos paneuropeos actuales sobre terrorismo internacional, de manera que queden expuestas sus complejidades y realidades, históricamente y en la actualidadToday’s framing of terrorism in the international system is part of our contemporary dreamworlds of mass consumption set against images of the American Dream. These dreamworlds provide the hegemonic discourses of a European universalist foreign policy that kills huge numbers of innocent non-combatants for political purposes, acts of terrorism, while denying that such acts constitute terrorism. The violence used is represented as a necessary and shared sacrifice for the American Dream, suggesting a unity, otherwise lacking, supposedly in “self-defense” against terrorism. In reality, what is being consumed are not actions against terrorism and aggressive war, but aggressive war and terrorism themselves masquerading as a defense of the imagined communities of the nation and “the West”. The focus of this article is especially on media and Hollywood films, including social media. The work draws on both world-systems analysis, international relations scholars, and theorists of culture, media and communication to analyze the uses of terrorism today. Simultaneously the article draws on critical theorists and public intellectuals, from Edward Said to Judith Butler to Pope Francis, to critique the binary Orientalist oppositions of today’s pan-European discourses on international terrorism, in ways that expose their complexities and realities, historically and currentl

    Some aspects of pyrimidine nucleotide synthesis in excised pea plants

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    System Theoretic Process Analysis: a literature survey on the approaches used for improving the safety in complex systems

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    Computer systems are becoming increasingly complex, specially interactive software systems, namely software user interfaces. The scientic community relies on dierent methods to assess their safety. This article provides an updated literature survey on hazard analysis approaches used to improve the safety of complex systems. To support the survey, we conceptualise complex systems, highlighting the challenge in terms of assessing their safety. We provide a brief overview on the approaches historically available to tackle issues in those systems, along with their most common methods. Finally, the article focuses in one method of a non-traditional approach, which is described in more details, along with some of its extensions, which seeks to improve the hazard analysis in complex systems

    Scaling up the Planning Game: Collaboration Challenges in Large-Scale Agile Product Development

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    One of the benefits of agile is close collaboration of customer and developer. This ensures good commitment and excellent knowledge flows of information about priorities and efforts. However, it is unclear if this benefit can be leveraged at scale. Clearly, it is infeasible to use practices such as planning game with several agile teams in the room. In this paper, we investigate how a large-scale agile organization manages, what challenges exist, and which opportunities can be leveraged. We found challenges in three areas: (i) the abil-ity to estimate, prioritize, and plan; (ii) the context of planning with respect to working environment, team build-up, and team spirit; and (iii) the ceremonial agreement which promises to allow leveraging abilities in a given context

    Workflow tools for distributed teams?

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    Uracil and uridine metabolism in vitro in higher plants

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