000 Informatik, Informationswissenschaft, allgemeine Werke
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Similarity-based retrieval of semantic graphs is a core task of Process-Oriented Case-Based Reasoning (POCBR) with applications in real-world scenarios, e.g., in smart manufacturing. The involved similarity computation is usually complex and time-consuming, as it requires some kind of inexact graph matching. To tackle these problems, we present an approach to modeling similarity measures based on embedding semantic graphs via Graph Neural Networks (GNNs). Therefore, we first examine how arbitrary semantic graphs, including node and edge types and their knowledge-rich semantic annotations, can be encoded in a numeric format that is usable by GNNs. Given this, the architecture of two generic graph embedding models from the literature is adapted to enable their usage as a similarity measure for similarity-based retrieval. Thereby, one of the two models is more optimized towards fast similarity prediction, while the other model is optimized towards knowledge-intensive, more expressive predictions. The evaluation examines the quality and performance of these models in preselecting retrieval candidates and in approximating the ground-truth similarities of a graph-matching-based similarity measure for two semantic graph domains. The results show the great potential of the approach for use in a retrieval scenario, either as a preselection model or as an approximation of a graph similarity measure.
Designing a Randomized Trial with an Age Simulation Suit—Representing People with Health Impairments
(2020)
Due to demographic change, there is an increasing demand for professional care services, whereby this demand cannot be met by available caregivers. To enable adequate care by relieving informal and formal care, the independence of people with chronic diseases has to be preserved for as long as possible. Assistance approaches can be used that support promoting physical activity, which is a main predictor of independence. One challenge is to design and test such approaches without affecting the people in focus. In this paper, we propose a design for a randomized trial to enable the use of an age simulation suit to generate reference data of people with health impairments with young and healthy participants. Therefore, we focus on situations of increased physical activity.
Der Vortrag zeigt das Spektrum auf, in dem Frauenreisen als eigenständige Kategorie der Literatur- und Medienwissenschaft etabliert wurde. Ohne den Fokus der Konfrontation mit der orientalischen Lebenswelt und der Exklusion der Männer in bestimmten Lebensbereichen hätte sich diese Form von Reiseberichten nicht etablieren können.
Im Zentrum dieses Aufsatzes steht der Spielfilm "Lisbon Story" (Deutschland / Portugal 1994/1995) des Filmregisseurs Wim Wenders. Es werden aber auch die früheren Arbeiten wie "Alice in den Städten" (BR Deutschland 1973/1974) und "Im Lauf der Zeit" (BR Deutschland 1975/1976) herangezogen, denn Kinder spielen in Wenders Spielfilmen eine bedeutende Rolle.
Rezensiert wird das umfangreiche Buch von Matthias Steinle, das die wechselseitige Darstellung der Bundesrepublik Deutschland und der Deutschen Demokratischen Republik in Dokumentarfilmen analysiert. Die Materialauswahl umfasst mehr als 60 Filme, wobei der Begriff von Dokumentarfilm weit gefasst ist und auch Kino-Wochenschauen berücksichtigt werden,
"Triumph der Bilder"
(2004)