36,807 research outputs found

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    Collaboration in the Semantic Grid: a Basis for e-Learning

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    The CoAKTinG project aims to advance the state of the art in collaborative mediated spaces for the Semantic Grid. This paper presents an overview of the hypertext and knowledge based tools which have been deployed to augment existing collaborative environments, and the ontology which is used to exchange structure, promote enhanced process tracking, and aid navigation of resources before, after, and while a collaboration occurs. While the primary focus of the project has been supporting e-Science, this paper also explores the similarities and application of CoAKTinG technologies as part of a human-centred design approach to e-Learning

    Learning from environmental actors about environmental developments: the case of international organizations

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    This article makes a case for viewing international governmental organizations (IOs) as corporate agents capable of learning. In doing so, it attempts to go beyond prevailing conceptions of IOs as means or settings for multilateral negotiation and bargaining. The proposed theoretical framework argues from an organizational learning perspective. By integrating notions from neo-institutionalism and policyanalysis it tries to capture the impact of IOs' publicness on learning processes. The focus is on IOs' relations with stakeholders and constituencies for the development and implementation of transboundary policies. These interactions are seen as a means to learn about external demands, expectations and expertise. Their impact on the internal dynamics in IOs tends to be of a dual nature: enhanced adaptability in its margins and buffering the organizational core from environmental fluctuations. Hence, some skepticism is appropriate in assessing IOs' capacity to engage in profound changes as a result of learning. It rests on the contention that the social constitution of the organization-environment nexus and its linkages with intraorganizational processes is of crucial importance for IOs' ability to learn about environmental changes and developments. Emphasis is placed on the contested and controversial nature of knowledge absorption and the limiting effect of administrative routines and procedures on IOs' absorptive capacity. -- Im vorliegenden Aufsatz wird der Versuch unternommen, internationale gouvernmentale Organisationen als lernfĂ€hige korporative Akteure zu betrachten. Damit soll gezeigt werden, dass internationale Organisationen weder als Instrumente mitgliedstaatlicher Interessen noch als Arenen multilateraler Verhandlungsprozesse hinreichend verstanden werden können. In der Perspektive des Organisationslernens wird danach gefragt, wie internationale Organisationen im Zuge des Interaktionsgeschehens mit Akteuren aus ihrem Umfeld ĂŒber Ă€ußere VerĂ€nderungen und Trends lernen. Dabei geht es um die Vermittlung als auch die Interpretation der von außen an internationale Organisationen herangetragenen Erwartungen, Anforderungen, Ideen und Wissen. Ziel des Papiers ist die Entwicklung eines theoretischen Analyserahmens, der das Interaktionsgeschehen zwischen internationalen Organisationen und den ihre Umwelt reprĂ€sentierenden Akteuren als Auslöser fĂŒr organisationale Lernprozesse begreift und gleichzeitig auch institutionelle, kulturelle und politisch-interessenbezogene Bedingungen berĂŒcksichtigt. Die aus dem Spannungsfeld zwischen Organisation und Umwelt resultierenden Lernprozesse sind dualer Natur: Erhöhte AnpassungsfĂ€higkeit in den Grenzbereichen internationaler Organisationen geht mit Abpufferung des Organisationskerns von Umweltfluktuationen einher. Diese EinschĂ€tzung grĂŒndet auf der PrĂ€misse der sozialen Konstituierung des Organisations-Umwelt Nexus und dessen Verbindungen mit organisationsinternen Prozessen. DarĂŒber hinaus wird die politische Bedingtheit organisationaler Wissensprozessierung und der Einfluss administrativer Routinen und Verfahren auf die AufnahmefĂ€higkeit internationaler Organisationen betont.

    Putting theory into practice: The creation of REALs in the context of today's universities

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    Rich Environments for Active Learning (REALs), as described by R. Scott Grabinger and Joanna Dunlap, are comprehensive educational systems based on constructivist principles that present an intellectual and practical challenge to university lecturers. As teachers and researchers, academics are concerned with improving the learning potential of teaching strategies and, to this end, the theory of the REAL provides inspiration and ideas based on sound theoretical principles. Yet in the context of the current pressured climate, having the time and resources to put such an extensive, theory into practice can seem little more than a pipe‐dream. It is argued that using a computer‐based application such as the Hypermedia Learning Tutorials (HLTs) as the heart of a REAL allows lecturers to take positive steps towards the creation of comprehensive, flexible, integrated learning environments. The concept of the HLT is discussed and a practical application in the field of advanced second‐language acquisition is described. Based on conceptual analysis and the results of preliminary student evaluation, it is argued that the HLT encompasses both in theory and in practice the chief qualities of REALs and can form the basis for their creation in a wide variety of disciplines

    A multi-agent system with application in project scheduling

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    The new economic and social dynamics increase project complexity and makes scheduling problems more difficult, therefore scheduling requires more versatile solutions as Multi Agent Systems (MAS). In this paper the authors analyze the implementation of a Multi-Agent System (MAS) considering two scheduling problems: TCPSP (Time-Constrained Project Scheduling), and RCPSP (Resource-Constrained Project Scheduling). The authors propose an improved BDI (Beliefs, Desires, and Intentions) model and present the first the MAS implementation results in JADE platform.multi-agent architecture, scheduling, project management, BDI architecture, JADE.

    Technology Integration around the Geographic Information: A State of the Art

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    One of the elements that have popularized and facilitated the use of geographical information on a variety of computational applications has been the use of Web maps; this has opened new research challenges on different subjects, from locating places and people, the study of social behavior or the analyzing of the hidden structures of the terms used in a natural language query used for locating a place. However, the use of geographic information under technological features is not new, instead it has been part of a development and technological integration process. This paper presents a state of the art review about the application of geographic information under different approaches: its use on location based services, the collaborative user participation on it, its contextual-awareness, its use in the Semantic Web and the challenges of its use in natural languge queries. Finally, a prototype that integrates most of these areas is presented

    Collaborative design : managing task interdependencies and multiple perspectives

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    This paper focuses on two characteristics of collaborative design with respect to cooperative work: the importance of work interdependencies linked to the nature of design problems; and the fundamental function of design cooperative work arrangement which is the confrontation and combination of perspectives. These two intrinsic characteristics of the design work stress specific cooperative processes: coordination processes in order to manage task interdependencies, establishment of common ground and negotiation mechanisms in order to manage the integration of multiple perspectives in design
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