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Correction: MBFair: a model-based verification methodology for detecting violations of individual fairness

Software and systems Modeling 2025年第1期24卷 137-137页

作者： Ramadan, Qusai Konersmann, Marco Ahmadian, Amir Shayan Jürjens, Jan Staab, Steffen University of Koblenz Koblenz Germany RWTH Aachen University Aachen Germany Fraunhofer-Institute for Software and Systems Engineering ISST Dortmund Germany Universität Stuttgart Stuttgart Germany University of Southampton Southampton UK

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HANDELkompetent – Situation Aware Learning in Retail

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Procedia Manufacturing 2017年 9卷 245-253页

作者： Steinbuß, Sebastian Holtkamp, Bernhard Opriel, Sebastian Fraunhofer Institute for Software and Systems Engineering ISST Emil-Figge-Str. 91 Dortmund 44227 Germany

Digitization is a megatrend which affects all industries. But how does this affect learning on the job scenarios. The research project HANDELkompetent aims at digitization of work process integrated informal learning in retail with a methodological approach and a supporting digital learning environment. The method consists of an accompanied learning approach, where a dedicated person schedules the development of competences of staff in dialog. Learning content consists of small web-based trainings, i.e. learning-nuggets, which can be consumed in a few minutes. The learning environment is enhanced with a tablet pc app, which presents learning content to a learner. The app is enabled to deliver appropriate content to the learner by recognizing the learning situation by making use of device sensors, the actual competences of a learner and the target competences as registered in the learning environment. That means in detail that a learning position, e.g. cash point, warehouse or sales floor is tagged with iBeacons. Those iBeacons broadcast their identification via Bluetooth Low Energy. The tablet PCof a learner can identify these iBeacons and thus, the app determines the physical location of the learner. Besides the position the app can utilize microphone, camera or a brightness sensor for gathering context information, to derive the learning situation and to deliver appropriate content. We make use of the Digital Business engineering Framework to structure our work. Digital Business engineering is a methodological framework to deliver sustainable solutions for Digital Transformation. This paper shows our structural approach and first results of the development phase of the HANDELkompetent project. © 2017 The Authors

关键词： Context Recognition Digital Business engineering Digitization E-learning Further Education Informal Learning Situation Aware Learning

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Energetic performance of a smart neighborhood of existing multifamily buildings with heat pumps, PV and CHP focusing on energy balance and CO2 emissions

Energetic performance of a smart neighborhood of existing mu...

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2023 International Conference on the Built Environment in Transition, CISBAT 2023

作者： Kropp, M. Metz, J. Lämmle, M. University of Freiburg Institute for Sustainable Systems Engineering INATECH Germany Fraunhofer Institute for Solar Energy Systems ISE Freiburg Germany

A smart energy concept was designed and implemented for a cluster of 5 existing multi-family houses, which combines heat pumps, photovoltaic (PV) modules and combined heat and power units (CHP) to achieve energy- and cost-efficient operation. Measurement results of the first year of operation show that the local power generation by PV modules and CHP unit has a positive effect on the electrical self-sufficiency by reducing electricity import from the grid. In winter, when the CHP unit operates continuously for long periods, the entire electricity for the heat pump and 91 % of the total electricity demand of the neighborhood are supplied locally. In summer, only 53 % is generated within the neighborhood. The use of a specifically developed energy management system EMS is intended to further increase this share. CO2 emissions for heating and electricity of the neighborhood are evaluated and amount to 18.4 kg/(m2a). Compared to the previous energy system consisting of gas boilers (29.1 kg/(m2a)), savings of 37 % are achieved with electricity consumption from the grid being reduced by 65 %. In the second construction stage, an additional heat pump, CHP unit and PV modules will be added. The measurement results indicate that the final district energy system is likely to achieve the ambitious CO2 reduction goal of -50% and further increase the self-sufficiency of the district. © 2023 institute of Physics Publishing. All rights reserved.

关键词： Carbon dioxide

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Data Marketplaces: Trends and Monetisation of Data Goods

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Intereconomics 2019年第4期54卷 208-216页

作者： Spiekermann, Markus Fraunhofer Institute for Software and Systems Engineering ISST Emil-Figge-Str. 91 Dortmund 44227 Germany

Despite the large number of academic contributions, there is no uniform definition of data ***, different data marketplaces may vary from eachother in terms of their underlying business model, type ofdata offered, functionality, market mechanisms, etc. © 2019, ZBW and Springer-Verlag GmbH Germany, part of Springer Nature.

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PrintAssist - a conversational human-machine interface for 3D printers

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i-com 2023年第1期22卷 3-17页

作者： Jasche, Florian Weber, Philip Liu, Shi Ludwig, Thomas University of Siegen Cyber-Physical Systems Siegen Germany Fraunhofer Institute for Applied Information Technology Fit Human-Centered Engineering and Design Sankt Augustin Germany Karlsruhe Institute of Technology Institute of Information Systems and Marketing Karlsruhe Germany

3D printers are no longer found only in industry, universities or makerspaces but now are increasingly used in domestic settings. Personal fabrication will increase in the coming years, and 3D printing will play an important role in this process. Due to technology and price development, 3D printers are becoming established among casual users at home. However, there are still many hurdles in the use of 3D printers that interfere with their appropriation in everyday life. In this paper, we investigate how chatbots can overcome these hurdles and support onboarding to 3D printing. Furthermore, we explore how chatbots can be used as a human-machine interface and facilitate interaction with 3D printers for both novice and expert users. In a research-through-design approach, we have created a fully functional chatbot that introduces users to 3D printing and helps them perform typical tasks when operating 3D printers. © 2023 the author(s), published by De Gruyter, Berlin/Boston.

关键词： 3D printing

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Market potential for electric vehicles in the German commercial passenger transport sector 27

Market potential for electric vehicles in the German commerc...

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27th World Electric Vehicle Symposium and Exhibition, EVS 2014

作者： Gnann, Till Haag, Michael Plötz, Patrick Wietschel, Martin Fraunhofer Institute for Systems and Innovation Research ISI Breslauer Strasse 48 Karlsruhe76139 Germany Fraunhofer Institute for Industrial Engineering IAO Germany

ISBN: (纸本)9781479938322

Commercial transport is often referred to as an early market for plug-in electric vehicles (PEVs). In comparison to private transport, commercial transport with passenger cars is characterized by higher vehicle kilometers traveled (VKT) forming an important factor for a quick pay-off of PEVs. In this paper, we analyze multi-day driving profiles of German passenger cars and light-duty commercial vehicles from the commercial transport sector. These commercial vehicles amount to almost two thirds of the annual vehicle registrations in Germany and thus form an important market segment. Our analysis shows that about 30 % of German commercial vehicles could be economically operated as PEVs in 2020. However, it becomes apparent that energy and battery prices have a high impact on the future market share of plug-in electric vehicles in this segment. © 2013 IEEE.

关键词： Commercial vehicles

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Software architecture documentation for developers: A survey

Software architecture documentation for developers: A survey

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7th European Conference on Software Architecture, ECSA 2013

作者： Rost, Dominik Naab, Matthias Lima, Crescencio Von Flach Garcia Chavez, Christina Fraunhofer Institute for Experimental Software Engineering Kaiserslautern Germany Fraunhofer Project Center on Software and Systems Engineering Department of Computer Science Federal University of Bahia Bahia Brazil

ISBN: (纸本)9783642390302

Software architecture has become an established discipline in industry. Nevertheless, the available documentation of architecture is often not perceived as adequate by developers. As a foundation for the improvement of methods and tools around architecture documentation, we conducted a survey with 147 industrial participants, investigating their current problems and wishes for the future. Participants from different countries in Europe, Asia, North and South America shared their experiences. This paper presents the results of the survey. The results confirmed the common belief that architecture documentation is most frequently outdated and inconsistent and backed it up with data. Further, developers perceive difficulties with a "one-size-fits-all" architecture documentation, which does not adequately provide information for their specific task and context. Developers seek for more interactive ways of working with architecture documentation that allow finding needed information more easily with extended navigation and search possibilities. © 2013 Springer-Verlag.

关键词： Surveys

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Planning method for IoT applications in logistics

Planning method for IoT applications in logistics

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European Conference on Smart Objects, systems and Technologies 2019, Smart SysTech 2019

作者： Poenicke, Olaf Groneberg, Maik Richter, Klaus Material Handling Engineering and Systems Fraunhofer Institute for Factory Operation and Automation IFF Magdeburg Germany

ISBN: (纸本)9783800749782

This paper discusses a method to support the planning of IoT applications in logistics processes in early planning stages. With regard to the specific characteristics and requirements of logistics processes, the method identifies feasible IoT technologies for specified use cases using a faceted classification. This developed classification is further combined with cost-benefit evaluation approaches, which are currently researched. The paper concludes with an outlook on the further development and discusses the contribution of IoT solutions to the creation of Smart Logistics Zones. © VDE VERLAG GMBH ∙ Berlin ∙ Offenbach.

关键词： Internet of things

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Bimanual robot manipulation and packaging of shoes in footwear industry 1

Bimanual robot manipulation and packaging of shoes in footwe...

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ROBOT 2013: 1st Iberian Robotics Conference

作者： Morales, Ricardo Badesa, Francisco J Aracil, Nicolás García Bormann, Richard Fischer, Jan Graf, Birgit Department of Systems Engineering and Automatic Control Miguel Hernandez University Spain Fraunhofer Institute for Manufacturing Engineering and Automation IPA Germany

ISBN: (纸本)9783319034126

The present paper presents the ongoing research undertaken as a research experiment, called HERMES, inside Echord european integrated project framework. The goal of the HERMES experiment is to study, analyze and finally implement the packaging of shoes on a robot system that mimics the required degree of flexibility and dexterity provided by the human workers. The use of a bimanual system with anthropomorphic hands has been chosen as it could also be applied to solve other processes of similar or even higher complexity in the future and thus provide a holistic approach towards automization in footwear industry. In this paper, the first experimental results of the HERMES experiment are presented. © Springer International Publishing Switzerland 2014

关键词： Computer vision

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Reliable and Content-specific Support for Keyword Selection through AI and Statistics Characterising Educational Content with Large Language Models & Agreement Analyses

Reliable and Content-specific Support for Keyword Selection ...

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作者： Strube, Tom Nowak, Tom Pokotylo, Mariia Kuhlenkötter, Bernd Fraunhofer Institute for Software and Systems Engineering Dortmund Germany Ruhr University Bochum Bochum Germany

Due to the recent popularity and availability of Large Language Models (LLMs), creators of educational materials can more efficiently extract keywords for use in personalised learning recommendations than ever before. However, due to the LLMs' probabalistic nature, the automation of the otherwise labour-intense keyword extraction inherits the risk of biased and non-explainable results. In this research, we present an original framework to enhance keyword selection based on content title and description through a novel, reliability-sensitive, keyword selection algorithm. For this, we collected 38 potential keywords (together with their definitions) for five topics on dementia care from previous studies, together with two contents per topic. To assess the new method's support in extracting keywords, we then prompted 5 human experts and 3 LLMs (using Retrieval Augmented Generation (RAG) for the keyword definitions) to select keywords to include and exclude for each content. Using Krippendorf's a metric, we then were able to adapt to the present agreement, and to reliably select keyword sets for inclusion and exclusion for each content individually. Last, we compared these LLM-based keyword sets with those selected by humans to assess the impact of the adaptive keyword selection algorithm. Overall, the results suggest that LLMs generally struggle with the task (66% of extraction attempts either contained hallucinated or did not return any keywords), and topic-wise internal agreement is low (a=0.59 (0.42) for model 3 (using RAG) on average;α=0.68 for human raters). Due to this, the reliable keyword selection resulted in a median set of 6|27 keywords for inclusion|exclusion per topic, with many of those keywords being within the benchmark keyword sets selected by human raters. To conclude, this approach shows effective in adapting to different levels of agreement in extracting keywords. © 2024 by Walter de Gruyter Berlin/Boston.

关键词： Reliability analysis

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