58 research outputs found

    Next generation of information technology in educational management:10th IFIP WG 3.7 Conference, ITEM 2012, Bremen, Germany, August 5-8, 2012, revised selected papers

    No full text
    This book constitutes the refereed post-proceedings of the 10th IFIP WG 3.7 Conference on Information Technology in Educational Management, ITEM 2012, held in Bremen, Germany, in August 2012. The 16 revised full papers presented were carefully reviewed and selected. The papers offer an outstanding overview of the contemporary field of information technology in educational management. They focus on four key questions: Why do we need new educational management information systems? What issues face those developing new educational management information systems? What new educational management information systems are being developed? What educational management systems are already in place

    Feasibility Analysis of Various Electronic Voting Systems for Complex Elections

    Get PDF

    Exploiting general-purpose background knowledge for automated schema matching

    Full text link
    The schema matching task is an integral part of the data integration process. It is usually the first step in integrating data. Schema matching is typically very complex and time-consuming. It is, therefore, to the largest part, carried out by humans. One reason for the low amount of automation is the fact that schemas are often defined with deep background knowledge that is not itself present within the schemas. Overcoming the problem of missing background knowledge is a core challenge in automating the data integration process. In this dissertation, the task of matching semantic models, so-called ontologies, with the help of external background knowledge is investigated in-depth in Part I. Throughout this thesis, the focus lies on large, general-purpose resources since domain-specific resources are rarely available for most domains. Besides new knowledge resources, this thesis also explores new strategies to exploit such resources. A technical base for the development and comparison of matching systems is presented in Part II. The framework introduced here allows for simple and modularized matcher development (with background knowledge sources) and for extensive evaluations of matching systems. One of the largest structured sources for general-purpose background knowledge are knowledge graphs which have grown significantly in size in recent years. However, exploiting such graphs is not trivial. In Part III, knowledge graph em- beddings are explored, analyzed, and compared. Multiple improvements to existing approaches are presented. In Part IV, numerous concrete matching systems which exploit general-purpose background knowledge are presented. Furthermore, exploitation strategies and resources are analyzed and compared. This dissertation closes with a perspective on real-world applications

    Communicative Figurations

    Get PDF
    This open access volume assesses the influence of our changing media environment. Today, there is not one single medium that is the driving force of change. With the spread of various technical communication media such as mobile phones and internet platforms, we are confronted with a media manifold of deep mediatization. But how can we investigate its transformative capability? This book answers this question by taking a non-media-centric perspective, researching the various figurations of collectivities and organizations humans are involved in. The first part of the book outlines a fundamental understanding of the changing media environment of deep mediatization and its transformative capacity. The second part focuses on collectivities and movements: communities in the city, critical social movements, maker, online gaming groups and networked groups of young people. The third part moves institutions and organizations into the foreground, discussing the transformation of journalism, religion, politics, and education, whilst the fourth and final part is dedicated to methodologies and perspectives

    Information between Data and Knowledge: Information Science and its Neighbors from Data Science to Digital Humanities

    Get PDF
    Digital humanities as well as data science as neighboring fields pose new challenges and opportunities for information science. The recent focus on data in the context of big data and deep learning brings along new tasks for information scientist for example in research data management. At the same time, information behavior changes in the light of the increasing digital availability of information in academia as well as in everyday life. In this volume, contributions from various fields like information behavior and information literacy, information retrieval, digital humanities, knowledge representation, emerging technologies, and information infrastructure showcase the development of information science research in recent years. Topics as diverse as social media analytics, fake news on Facebook, collaborative search practices, open educational resources or recent developments in research data management are some of the highlights of this volume. For more than 30 years, the International Symposium of Information Science has been the venue for bringing together information scientists from the German speaking countries. In addition to the regular scientific contributions, six of the best competitors for the prize for the best information science master thesis present their work

    Rückmeldungen aus Schulleistungstests an Lehrkräfte durch interaktive Informationsvisualisierungen

    Get PDF
    Teaching staff are expected to be able to use results from comprehensive student achieve-ment tests to improve their instruction. For these data-driven decision-making processes, skills that could be denoted as data literacy are required. Research has shown, however, that in some cases these competencies are not sufficiently pronounced and that feedback is often difficult to understand. Furthermore, the research demonstrated that it is necessary to in-crease the comprehensibility of feedback by using data visualizations. Regional state insti-tutes for education tasked with providing feedback supported teaching staff by offering fur-ther training and handouts on how to use external achievement test results. The matter of increasing the comprehensibility of feedback remains unaddressed. This gap in the research will be taken up in this thesis, which uses the example of comparative achievement tests to approach the question of whether the comprehensibility of achievement-test feedback could be increased by using a feedback system with interactive information visualizations. As part of a study with a cross-sectional design, twenty primary school teachers compared a familiar paper-based feedback for achievement-test results with a new, interactive feedback system. First, the teachers participating in the study assessed the perceived time required to answer the questions asked about the test results. Secondly, the teachers assessed how useful the feedback formats were for answering the questions. The results show that, on average, the questions asked about the data could be answered significantly more quickly using the interactive information visualizations. Furthermore, interactive information visualizations are assessed as being significantly more useful on average. Matrix visualizations were prov-en to have particularly positive effects. For the co-variables only one significant effect was perceived: Teachers with a high level of data literacy assessed the interactive feedback sys-tem as being faster. Moreover, the teachers gave statements regarding requirements for an interactive feedback system and their attitudes and experiences in working with achievement tests. The findings of this study indicate that feedback systems with a user- and demand-oriented graphic layout are becoming more important

    A Semantic Basis for Meaning Construction in Constructivist Interactions

    Get PDF
    • …
    corecore