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Auflistung nach Autor:in "Hotz, Lothar"

1 - 6 von 6
  • Konferenzbeitrag
    Decision-Making About Federated Digital Twins – How to Distribute Information Storage and Computing
    (Modellierung 2022, 2022) Bonorden, Leif; Frerichs, Marc; Riebisch, Matthias; von Riegen, Stephanie; Hartke, Florian; Herzog, Rainer; Hotz, Lothar; Jürgensen, Dennis; Kiele-Dunsche, Markus; Schottler, Seeko; Schroeder, Rafael
    Digital Twins are commonly used as virtual representations of physical objects in manufacturing industries. Information for Digital Twins may be collected from multiple sources and stored in a distributed manner, leading to a Federated Digital Twin. Since decisions about such a federation are crucial for the system and its architecture, they should be guided by reliable and well-evaluated methods. However, current research is focused on distributed data sources but is missing decisions about the distribution of the digital twin itself. We present an approach to partition Federated Digital Twins by classifying information types, computing resources, and concerns of data suppliers. Furthermore, we show how decisions are made based on the Decision Model and Notation standard and evaluate the approach using an industrial case study.
  • Konferenzbeitrag
    Hamburger Informatik Technology Center e.V. - Technology Transfer at the Department of Informatics of the University of Hamburg
    (Software Engineering 2020, 2020) Hotz, Lothar; Herzog, Rainer; Riegen, Stephanie von
    This position paper provides an overview of the organisation and activities of the Hamburger Informatik Technology Center e.V. (HITeC). The goal of HITeC is to transfer state-of-the-art scientific results, achieved at the Department of Informatics of the University of Hamburg, to companies, the public administration, and other research institutes.
  • Zeitschriftenartikel
    Learning and Recognizing Structures in Façade Scenes (eTRIMS)—A Retrospective
    (KI - Künstliche Intelligenz: Vol. 24, No. 1, 2010) Hotz, Lothar; Neumann, Bernd
    Scene interpretation is the task of automatically creating descriptions for images. Such descriptions typically contain not only primitive objects but also structures that constitute primitive and structured objects. The learning and recognition of such structures was the objective of the EU project “eTraining for the Interpretation of Man-made Scenes (eTRIMS)”. The retrospective at hand presents main results of this project.
  • Zeitschriftenartikel
    Ontology-based Model Comparison
    (Softwaretechnik-Trends Band 27, Heft 2, 2007) Wolter, Katharina; Krebs, Thorsten; Hotz, Lothar
    This paper proposes an ontology-based approach for comparing software products modelled with UML. An ontology is used that defines the structure of all software products developed so far or even all products that can be developed using the specified architecture. Using such an ontology the models of different software products can be compared more effectively.
  • Zeitschriftenartikel
    The RACE Project
    (KI - Künstliche Intelligenz: Vol. 28, No. 4, 2014) Hertzberg, Joachim; Zhang, Jianwei; Zhang, Liwei; Rockel, Sebastian; Neumann, Bernd; Lehmann, Jos; Dubba, Krishna S. R.; Cohn, Anthony G.; Saffiotti, Alessandro; Pecora, Federico; Mansouri, Masoumeh; Konečný, Štefan; Günther, Martin; Stock, Sebastian; Lopes, Luis Seabra; Oliveira, Miguel; Lim, Gi Hyun; Kasaei, Hamidreza; Mokhtari, Vahid; Hotz, Lothar; Bohlken, Wilfried
    This paper reports on the aims, the approach, and the results of the European project RACE. The project aim was to enhance the behavior of an autonomous robot by having the robot learn from conceptualized experiences of previous performance, based on initial models of the domain and its own actions in it. This paper introduces the general system architecture; it then sketches some results in detail regarding hybrid reasoning and planning used in RACE, and instances of learning from the experiences of real robot task execution. Enhancement of robot competence is operationalized in terms of performance quality and description length of the robot instructions, and such enhancement is shown to result from the RACE system.
  • Zeitschriftenartikel
    Verwendung von Lisp in KI-Projekten
    (KI - Künstliche Intelligenz: Vol. 26, No. 1, 2012) Betz, Christian; Hotz, Lothar
    In diesem Beitrag werden anhand von anwendungsorientierten Forschungsprototypen aus den Bereichen Konfigurierung, Diagnose und Szeneninterpretation wesentliche Lisp-Merkmale vorgestellt. Weiterhin wird ausgehend von den gemachten Erfahrungen eine Brücke zu aktuellen Entwicklungen aus dem Bereich der funktionalen Programmiersprachen geschlagen.