TY - CHAP A1 - Chwallek, Constanze A1 - Goezler, Kaan A1 - Reichert, Walter ED - Büchler, Jan-Philipp ED - Hoon, Christina T1 - Handling growth as a complexity driver at Faymonville T2 - Hidden champions case compendium: Leading global markets – case studies and texts N2 - The FAYMONVILLE case study describes how the family-owned company Faymonville from eastern Belgium has succeeded in becoming one of the leading manufacturers in its sector. The targeted identification of new markets, the focus on relevant customer needs, and a consistent product policy with a coordinated manufacturing concept lay the foundations for success. In this case study, students can learn about how a company can successfully resolve the fundamental contradiction between economic and customized production. Y1 - 2024 SN - 978-3-658-44300-9 U6 - https://doi.org/10.1007/978-3-658-44300-9_14 N1 - Englische Ausgabe von "Faymonville – Wachstum als Komplexitätstreiber" (https://opus.bibliothek.fh-aachen.de/opus4/frontdoor/index/index/docId/8235) SP - 209 EP - 221 PB - Springer Fachmedien CY - Wiesbaden ER - TY - JOUR A1 - Kohl, Philipp A1 - Krämer, Yoka A1 - Fohry, Claudia A1 - Kraft, Bodo ED - Fred, Ana ED - Hadjali, Allel ED - Gusikhin, Oleg ED - Sansone, Carlo T1 - Scoping review of active learning strategies and their evaluation environments for entity recognition tasks JF - Deep learning theory and applications N2 - We conducted a scoping review for active learning in the domain of natural language processing (NLP), which we summarize in accordance with the PRISMA-ScR guidelines as follows: Objective: Identify active learning strategies that were proposed for entity recognition and their evaluation environments (datasets, metrics, hardware, execution time). Design: We used Scopus and ACM as our search engines. We compared the results with two literature surveys to assess the search quality. We included peer-reviewed English publications introducing or comparing active learning strategies for entity recognition. Results: We analyzed 62 relevant papers and identified 106 active learning strategies. We grouped them into three categories: exploitation-based (60x), exploration-based (14x), and hybrid strategies (32x). We found that all studies used the F1-score as an evaluation metric. Information about hardware (6x) and execution time (13x) was only occasionally included. The 62 papers used 57 different datasets to evaluate their respective strategies. Most datasets contained newspaper articles or biomedical/medical data. Our analysis revealed that 26 out of 57 datasets are publicly accessible. Conclusion: Numerous active learning strategies have been identified, along with significant open questions that still need to be addressed. Researchers and practitioners face difficulties when making data-driven decisions about which active learning strategy to adopt. Conducting comprehensive empirical comparisons using the evaluation environment proposed in this study could help establish best practices in the domain. Y1 - 2024 SN - 978-3-031-66694-0 (online ISBN) SN - 978-3-031-66693-3 (print ISBN) U6 - https://doi.org/10.1007/978-3-031-66694-0_6 SP - 84 EP - 106 PB - Springer CY - Cham ER - TY - CHAP A1 - Eggert, Matthias A1 - Schwarz, Jakob T1 - What do enterprise collaboration systems afford to digital startups? T2 - ECIS 2024 Proceedings N2 - In recent years, more and more digital startups have been founded and many of them work remotely by applying enterprise collaboration systems (ECS). The study investigates the functional affordances of ECS, particularly Slack, and examines its potential as a virtual office environment for cultural development in digital startups. Through a case study and based on affordance theoretical considerations, the paper explores how ECS facilitates remote collaboration, communication, and socialization within digital startups. The findings comprise material properties of ECS (synchrony and asynchrony communication), functional affordances (virtual office and culture development affordances) as well as its realization (through communication practices, openness, and inter-company accessibility) and are conceptualized as a model for ECS affordances in digital startups. Y1 - 2024 N1 - ECIS 2024, European Conference on Information Systems, Paphos, Cyprus, 13-19 June 2024 ER - TY - CHAP A1 - Ebert, Carola A1 - Schneider, Tatjana A1 - Stapenhorst, Carolin ED - Mieg, Harald A. ED - Ambos, Elizabeth ED - Brew, Angela ED - Galli, Dominique ED - Lehmann, Judith T1 - Undergraduate Research in Architecture T2 - The Cambridge Handbook of Undergraduate Research N2 - Architecture is a university subject with educational roots in both the technical university and art/specialized architecture schools, yet it lacks a strong research orientation and is focused on professional expertise. This chapter explores the particular role of research within architectural education in general by discussing two different cases for the implementation of undergraduate research in architecture: during the late 1990s and early 2000s at the University of Sheffield, UK, and during the 2010s at RWTH Aachen University, Germany. These examples illustrate the asynchronous beginnings of similar developments, and also contextualize differences in disciplinary habitus and pedagogical approaches between Sheffield, where research impulses stemmed from within the Architectural Humanities, and Aachen with its strong tradition as a technical university. KW - the University of Sheffield KW - RWTH Aachen University KW - currriculum KW - design research KW - research by design KW - profession KW - dscipline KW - hybridity KW - research in architecture KW - architectural education Y1 - 2022 SN - 9781108869508 U6 - https://doi.org/10.1017/9781108869508.049 SP - 355 EP - 362 PB - Cambridge University Press CY - Cambridge ER - TY - CHAP A1 - Stapenhorst, Carolin ED - Callegari, Guido ED - De Giorgi, Claudia ED - Occelli, Chiara L.M. ED - Palma, Riccardo T1 - The didactic experimentation on housing modules for cycle travellers T2 - MAACC. Modulo abitativo autosufficiente per cicloviaggiatori e camminatori. Y1 - 2023 SN - 978-88-6242-778-4 SP - 40 EP - 44 PB - LetteraVentidue Edizioni Srl CY - Siracusa ER - TY - JOUR A1 - Mikucki, Jill Ann A1 - Schuler, C. G. A1 - Digel, Ilya A1 - Kowalski, Julia A1 - Tuttle, M. J. A1 - Chua, Michelle A1 - Davis, R. A1 - Purcell, Alicia A1 - Ghosh, D. A1 - Francke, G. A1 - Feldmann, M. A1 - Espe, C. A1 - Heinen, Dirk A1 - Dachwald, Bernd A1 - Clemens, Joachim A1 - Lyons, W. B. A1 - Tulaczyk, S. T1 - Field-Based planetary protection operations for melt probes: validation of clean access into the blood falls, antarctica, englacial ecosystem JF - Astrobiology N2 - Subglacial environments on Earth offer important analogs to Ocean World targets in our solar system. These unique microbial ecosystems remain understudied due to the challenges of access through thick glacial ice (tens to hundreds of meters). Additionally, sub-ice collections must be conducted in a clean manner to ensure sample integrity for downstream microbiological and geochemical analyses. We describe the field-based cleaning of a melt probe that was used to collect brine samples from within a glacier conduit at Blood Falls, Antarctica, for geomicrobiological studies. We used a thermoelectric melting probe called the IceMole that was designed to be minimally invasive in that the logistical requirements in support of drilling operations were small and the probe could be cleaned, even in a remote field setting, so as to minimize potential contamination. In our study, the exterior bioburden on the IceMole was reduced to levels measured in most clean rooms, and below that of the ice surrounding our sampling target. Potential microbial contaminants were identified during the cleaning process; however, very few were detected in the final englacial sample collected with the IceMole and were present in extremely low abundances (∼0.063% of 16S rRNA gene amplicon sequences). This cleaning protocol can help minimize contamination when working in remote field locations, support microbiological sampling of terrestrial subglacial environments using melting probes, and help inform planetary protection challenges for Ocean World analog mission concepts. Y1 - 2023 U6 - https://doi.org/10.1089/ast.2021.0102 SN - 1557-8070 (online) SN - 153-1074 (print) VL - 23 IS - 11 SP - 1165 EP - 1178 PB - Liebert CY - New York, NY ER - TY - JOUR A1 - Akimbekov, Nuraly S. A1 - Digel, Ilya A1 - Tastambek, Kuanysh T. A1 - Kozhahmetova, Marzhan A1 - Sherelkhan, Dinara K. A1 - Tauanov, Zhandos T1 - Hydrogenotrophic methanogenesis in coal-bearing environments: Methane production, carbon sequestration, and hydrogen availability JF - International Journal of Hydrogen Energy N2 - Methane is a valuable energy source helping to mitigate the growing energy demand worldwide. However, as a potent greenhouse gas, it has also gained additional attention due to its environmental impacts. The biological production of methane is performed primarily hydrogenotrophically from H2 and CO2 by methanogenic archaea. Hydrogenotrophic methanogenesis also represents a great interest with respect to carbon re-cycling and H2 storage. The most significant carbon source, extremely rich in complex organic matter for microbial degradation and biogenic methane production, is coal. Although interest in enhanced microbial coalbed methane production is continuously increasing globally, limited knowledge exists regarding the exact origins of the coalbed methane and the associated microbial communities, including hydrogenotrophic methanogens. Here, we give an overview of hydrogenotrophic methanogens in coal beds and related environments in terms of their energy production mechanisms, unique metabolic pathways, and associated ecological functions. KW - Coal KW - Methanogenesis KW - Methane KW - Hydrogenotrophic methanogens KW - H2 Y1 - 2024 U6 - https://doi.org/10.1016/j.ijhydene.2023.09.223 SN - 1879-3487 (online) SN - 0360-3199 (print) VL - 52 IS - Part D SP - 1264 EP - 1277 PB - Elsevier CY - New York ER - TY - JOUR A1 - Windmüller, Anna A1 - Schaps, Kristian A1 - Zantis, Frederik A1 - Domgans, Anna A1 - Taklu, Bereket Woldegbreal A1 - Yang, Tingting A1 - Tsai, Chih-Long A1 - Schierholz, Roland A1 - Yu, Shicheng A1 - Kungl, Hans A1 - Tempel, Hermann A1 - Dunin-Borkowski, Rafal E. A1 - Hüning, Felix A1 - Hwang, Bing Joe A1 - Eichel, Rüdiger-A. T1 - Electrochemical activation of LiGaO2: implications for ga-doped garnet solid electrolytes in li-metal batteries JF - ACS Applied Materials & Interfaces N2 - Ga-doped Li7La3Zr2O12 garnet solid electrolytes exhibit the highest Li-ion conductivities among the oxide-type garnet-structured solid electrolytes, but instabilities toward Li metal hamper their practical application. The instabilities have been assigned to direct chemical reactions between LiGaO2 coexisting phases and Li metal by several groups previously. Yet, the understanding of the role of LiGaO2 in the electrochemical cell and its electrochemical properties is still lacking. Here, we are investigating the electrochemical properties of LiGaO2 through electrochemical tests in galvanostatic cells versus Li metal and complementary ex situ studies via confocal Raman microscopy, quantitative phase analysis based on powder X-ray diffraction, energy-dispersive X-ray spectroscopy, X-ray photoelectron spectroscopy, and electron energy loss spectroscopy. The results demonstrate considerable and surprising electrochemical activity, with high reversibility. A three-stage reaction mechanism is derived, including reversible electrochemical reactions that lead to the formation of highly electronically conducting products. The results have considerable implications for the use of Ga-doped Li7La3Zr2O12 electrolytes in all-solid-state Li-metal battery applications and raise the need for advanced materials engineering to realize Ga-doped Li7La3Zr2O12for practical use. KW - LiGaO2 KW - garnet solid electrolyte KW - ga-doping KW - Li7La3Zr2O12 KW - solid-state battery Y1 - 2024 U6 - https://doi.org/10.1021/acsami.4c03729 SN - 39181–3919 VL - 16 IS - 30 PB - ACS Publications CY - Washington, DC ER - TY - JOUR A1 - Eichler, Fabian A1 - Balc, Nicolae A1 - Bremen, Sebastian A1 - Nink, Philipp T1 - Investigation of laser powder bed fusion parameters with respect to their influence on the thermal conductivity of 316L samples JF - Journal of Manufacturing and Materials Processing N2 - The thermal conductivity of components manufactured using Laser Powder Bed Fusion (LPBF), also called Selective Laser Melting (SLM), plays an important role in their processing. Not only does a reduced thermal conductivity cause residual stresses during the process, but it also makes subsequent processes such as the welding of LPBF components more difficult. This article uses 316L stainless steel samples to investigate whether and to what extent the thermal conductivity of specimens can be influenced by different LPBF parameters. To this end, samples are set up using different parameters, orientations, and powder conditions and measured by a heat flow meter using stationary analysis. The heat flow meter set-up used in this study achieves good reproducibility and high measurement accuracy, so that comparative measurements between the various LPBF influencing factors to be tested are possible. In summary, the series of measurements show that the residual porosity of the components has the greatest influence on conductivity. The degradation of the powder due to increased recycling also appears to be detectable. The build-up direction shows no detectable effect in the measurement series. KW - Additive manufacturing KW - LPBF KW - SLM KW - Thermal conductivity KW - 316L Y1 - 2024 U6 - https://doi.org/10.3390/jmmp8040166 SN - 2504-4494 N1 - Corresponding author: Fabian Eichler VL - 8 IS - 4 PB - MDPI CY - Basel ER - TY - JOUR A1 - Zhantlessova, Sirina A1 - Savitskaya, Irina A1 - Kistaubayeva, Aida A1 - Ignatova, Ludmila A1 - Talipova, Aizhan A1 - Pogrebnjak, Alexander A1 - Digel, Ilya T1 - Correction: Zhantlessova et al. advanced “Green” prebiotic composite of bacterial cellulose/pullulan based on synthetic biology-powered microbial coculture strategy. Polymers 2022, 14, 3224 JF - Polymers Y1 - 2024 U6 - https://doi.org/10.3390/polym16131802 SN - 2073-4360 N1 - This article belongs to the Special Issue Cellulose Based Composites VL - 16 IS - 13 PB - MDPI CY - Basel ER -