TY - CONF AB - This paper aims at discussing past limitations set in sentiment analysis research regarding explicit and implicit mentions of opinions. Previous studies have regularly neglected this question in favor of methodical research on standard-datasets. Furthermore, they were limited to linguistically less-diverse domains, such as commercial product reviews. We face this issue by annotating a German-language physician review dataset that contains numerous implicit, long, and complex statements that indicate aspect ratings, such as the physician’s friendliness. We discuss the nature of implicit statements and present various samples to illustrate the challenge described. AU - Kersting, Joschka AU - Bäumer, Frederik Simon ED - Kersting, Joschka ID - 31054 KW - Sentiment analysis KW - Natural language processing KW - Aspect phrase extraction T2 - Proceedings of the Fourteenth International Conference on Pervasive Patterns and Applications (PATTERNS 2022): Special Track AI-DRSWA: Maturing Artificial Intelligence - Data Science for Real-World Applications TI - Implicit Statements in Healthcare Reviews: A Challenge for Sentiment Analysis ER - TY - JOUR AU - Hoyer, Britta AU - De Jaegher, Kris ID - 31881 JF - International Journal of Game Theory TI - Network Disruption and the Common-Enemy Effect ER - TY - GEN AB - BloKK-Beitrag für das ZeKK, 03.12.2022 AU - Lebock, Sarah ID - 34187 TI - Blogpost "Von der Grundstimmung als philosophischer Ausgangspunkt" ER - TY - JOUR AB - Far-field multi-speaker automatic speech recognition (ASR) has drawn increasing attention in recent years. Most existing methods feature a signal processing frontend and an ASR backend. In realistic scenarios, these modules are usually trained separately or progressively, which suffers from either inter-module mismatch or a complicated training process. In this paper, we propose an end-to-end multi-channel model that jointly optimizes the speech enhancement (including speech dereverberation, denoising, and separation) frontend and the ASR backend as a single system. To the best of our knowledge, this is the first work that proposes to optimize dereverberation, beamforming, and multi-speaker ASR in a fully end-to-end manner. The frontend module consists of a weighted prediction error (WPE) based submodule for dereverberation and a neural beamformer for denoising and speech separation. For the backend, we adopt a widely used end-to-end (E2E) ASR architecture. It is worth noting that the entire model is differentiable and can be optimized in a fully end-to-end manner using only the ASR criterion, without the need of parallel signal-level labels. We evaluate the proposed model on several multi-speaker benchmark datasets, and experimental results show that the fully E2E ASR model can achieve competitive performance on both noisy and reverberant conditions, with over 30% relative word error rate (WER) reduction over the single-channel baseline systems. AU - Zhang, Wangyou AU - Chang, Xuankai AU - Boeddeker, Christoph AU - Nakatani, Tomohiro AU - Watanabe, Shinji AU - Qian, Yanmin ID - 33669 JF - IEEE/ACM Transactions on Audio, Speech, and Language Processing SN - Print ISSN: 2329-9290 Electronic ISSN: 2329-9304 TI - End-to-End Dereverberation, Beamforming, and Speech Recognition in A Cocktail Party ER - TY - JOUR AB - AbstractComprehensive data understanding is a key success driver for data analytics projects. Knowing the characteristics of the data helps a lot in selecting the appropriate data analysis techniques. Especially in data-driven product planning, knowledge about the data is a necessary prerequisite because data of the use phase is very heterogeneous. However, companies often do not have the necessary know-how or time to build up solid data understanding in connection with data analysis. In this paper, we develop a methodology to organize and categorize and thus understand use phase data in a way that makes it accessible to general data analytics workflows, following a design science research approach. We first present a knowledge base that lists typical use phase data from a product planning view. Second, we develop a taxonomy based on standard literature and real data objects, which covers the diversity of the data considered. The taxonomy provides 8 dimensions that support classification of use phase data and allows to capture data characteristics from a data analytics view. Finally, we combine both views by clustering the objects of the knowledge base according to the taxonomy. Each of the resulting clusters covers a typical combination of analytics relevant characteristics occurring in practice. By abstracting from the diversity of use phase data into artifacts with manageable complexity, our approach provides guidance to choose appropriate data analysis and AI techniques. AU - Panzner, Melina AU - von Enzberg, Sebastian AU - Meyer, Maurice AU - Dumitrescu, Roman ID - 34197 JF - Journal of the Knowledge Economy KW - Economics and Econometrics SN - 1868-7865 TI - Characterization of Usage Data with the Help of Data Classifications ER - TY - JOUR AB - Mounting sensors in disk stack separators is often a major challenge due to the operating conditions. However, a process cannot be optimally monitored without sensors. Virtual sensors can be a solution to calculate the sought parameters from measurable values. We measured the vibrations of disk stack separators and applied machine learning (ML) to detect whether the separator contains only water or whether particles are also present. We combined seven ML classification algorithms with three feature engineering strategies and evaluated our model successfully on vibration data of an experimental disk stack separator. Our experimental results demonstrate that random forest in combination with manual feature engineering using domain specific knowledge about suitable features outperforms all other models with an accuracy of 91.27 %. AU - Merkelbach, Silke AU - Afroze, Lameya AU - Janssen, Nils AU - von Enzberg, Sebastian AU - Kühn, Arno AU - Dumitrescu, Roman ID - 34196 JF - Vibroengineering PROCEDIA KW - General Medicine SN - 2345-0533 TI - Using vibration data to classify conditions in disk stack separators VL - 46 ER - TY - CHAP AU - Hobscheidt, Daniela AU - Menzefricke, Jörn Steffen AU - Gabriel, Stefan AU - Kühn, Arno AU - Dumitrescu, Roman ID - 34195 SN - 9783658383787 T2 - Praxishandbuch Robotic Process Automation (RPA) TI - Soziotechnische Herausforderungen bei der Einführung von RPA managen ER - TY - CHAP AU - Bansmann, Michael AU - Dumitrescu, Roman AU - Fechtelpeter, Christian ID - 34193 SN - 2523-3637 T2 - Gestaltung digitalisierter Arbeitswelten TI - Transfer von Arbeit 4.0-Anwendungsszenarien ER - TY - CHAP AU - Brock, Jonathan AU - von Enzberg, Sebastian AU - Kühn, Arno AU - Dumitrescu, Roman ID - 34194 SN - 9783658383787 T2 - Praxishandbuch Robotic Process Automation (RPA) TI - Nutzung von Process Mining in RPA-Projekten ER - TY - JOUR AB - Praxeologische Kompetenzansätze verstehen Kompetenz als sozial erlernt und folglich als relativ zum sozialen Kontext. Damit einher geht die Frage, wie solche praxeologisch gerahmten Kompetenzen eigentlich unabhängig von der sie hervorbringenden Praxis evaluiert werden können – und eben dadurch erst für einen breiteren Kompetenzdiskurs fruchtbar sind. Die Dokumentarische Evaluationsforschung bietet hierzu erste Anhaltspunkte, offenbart aber auch Grenzen, die mit dem Evaluationsverständnis zusammenhängen, sich jedoch in der Forschungspraxis so nicht finden lassen. Aus der Differenz zwischen Methode und Praxis dokumentarischer Evaluation lässt sich formulieren, wie eine praxeologische Evaluation gestaltet werden könnte. Dabei spielt die Formulierung von Referenzrahmen eine zentrale Rolle, welche einerseits der zu evaluierenden Praktik external sein, andererseits praktisch formuliert werden müssen, damit sie soziale Praktiken jenseits ihrer eigenen Sinnhaftigkeit evaluativ (er-)fassen können. AU - Bloh, Thiemo ID - 34200 IS - 02 JF - Zeitschrift für Evaluation KW - Strategy and Management KW - Applied Psychology KW - Social Sciences (miscellaneous) KW - Education KW - Communication KW - Statistics and Probability SN - 1619-5515 TI - Rekonstruktive Evaluationsforschung im Kontext praxeologischer Kompetenzdiskurse. Kritische Reflexionen und konzeptionelle Überlegungen zur Dokumentarischen Evaluationsforschung VL - 2022 ER - TY - JOUR AU - Bloh, Thiemo AU - Caruso, Carina ID - 34198 JF - die hochschullehre TI - Ein kritisch-multiperspektivischer Blick auf Forschendes Lernen in der Lehrkräftebildung. Fragen, Erwägungen und Rekonstruktionen. VL - 8 ER - TY - JOUR AU - Bloh, Thiemo ID - 34199 IS - 6 JF - Zeitschrift für Pädagogik TI - Grundlagentheoretische Differenzen in der Lehrkräftekooperationsforschung VL - 68 ER - TY - JOUR AB - AlSi casting alloys combine excellent castability with high strength. Hence, this group of alloys is often used in the automotive sector. The challenge for this application is the brittle character of these alloys which leads to cracks during joint formation when mechanical joining technologies are used. A rise in ductility can be achieved by a considerable increase in the solidification rate which results in grain refinement. High solidification rates can be realized in twin–roll casting (TRC) by water-cooled rolls. Therefore, a hypoeutectic EN AC–AlSi9 (for European Norm - aluminum cast product) is manufactured by the TRC process and analyzed. Subsequently, joining investigations are performed on castings in as-cast and heat-treated condition using the self-piercing riveting process considering the joint formation and the load-bearing capacity. Due to the fine microstructure, the crack initiation can be avoided during joining, while maintaining the joining parameters, especially by specimens in heat treatment conditions. Furthermore, due to the extremely fine microstructure, the load-bearing capacity of the joint can be significantly increased in terms of the maximum load-bearing force and the energy absorbed. AU - Neuser, Moritz AU - Kappe, Fabian AU - Ostermeier, Jakob AU - Krüger, Jan Tobias AU - Bobbert, Mathias AU - Meschut, Gerson AU - Schaper, Mirko AU - Grydin, Olexandr ID - 34207 IS - 10 JF - Advanced Engineering Materials KW - Condensed Matter Physics KW - General Materials Science SN - 1438-1656 TI - Mechanical Properties and Joinability of AlSi9 Alloy Manufactured by Twin‐Roll Casting VL - 24 ER - TY - CONF AU - Bloh, Thiemo ID - 34203 TI - Was bedeutet Post-Digitalität? – Universitäre Lehrpraktiken zwischen situativer Anforderung und habitueller Prägung ER - TY - CONF AU - Bloh, Thiemo ID - 34201 TI - AussteigerInnen – Fluchtbewegungen in der LehrerInnenbiographie ER - TY - CONF AU - Bloh, Thiemo ID - 34202 TI - „Referenzrahmen“ als gewinnbringendes Konstrukt im Kontext Dokumentarischer Evaluationsforschung!? ER - TY - CONF AU - Bloh, Thiemo ID - 34204 TI - The Deconstruction of Professionalism ER - TY - CHAP AB - Nowadays, clinching is a widely used joining technique, where sheets are joined by pure deformation to create an interlock without the need for auxiliary parts. This leads to advantages such as reduced joining time and manufacturing costs. On the other hand, the joint strength solely relies on directed material deformation, which renders an accurate material modelling essential to reliably predict the joint forming. The formation of the joint locally involves large plastic strains and possibly complex non-proportional loading paths, as typical of many metal forming applications. Consequently, a finite plasticity formulation is utilised incorporating a Chaboche–Rousselier kinematic hardening law to capture the Bauschinger effect. Material parameters are identified from tension–compression tests on miniature spec- imens for the dual-phase steel HCT590X. The resulting material model is implemented in LS-Dyna to study the locally diverse loading paths and give a quantitative statement on the importance of kinematic hardening for clinching. It turns out that the Bauschinger effect mainly affects the springback of the sheets and has a smaller effect on the joint forming itself. AU - Friedlein, Johannes AU - Mergheim, Julia AU - Steinmann, Paul ID - 34211 KW - Clinching KW - Material modelling KW - Kinematic hardening KW - Parameter identification KW - Bauschinger effect SN - 2367-1181 T2 - The Minerals, Metals & Materials Series TI - Influence of Kinematic Hardening on Clinch Joining of Dual-Phase Steel HCT590X Sheet Metal ER - TY - JOUR AB - In this paper, a study based on experimental and numerical simulations is performed to analyze fatigue cracks in clinched joints. An experimental investigation is conducted to determine the failure modes of clinched joints under cyclic loading at different load amplitudes with single-lap shear tests. In addition, numerical FEM simulations of clinching process and subsequent shear loading are performed to support the experimental investigations by analyzing the state of stresses at the location of failure. An attempt is made to explain the location of crack initiation in the experiments using evaluation variables such as contact shear stress and maximum principal stress. AU - Ewenz, L. AU - Bielak, Christian Roman AU - Otroshi, Mortaza AU - Bobbert, Mathias AU - Meschut, Gerson AU - Zimmermann, M. ID - 34213 IS - 2-3 JF - Production Engineering KW - Industrial and Manufacturing Engineering KW - Mechanical Engineering SN - 0944-6524 TI - Numerical and experimental identification of fatigue crack initiation sites in clinched joints VL - 16 ER - TY - CHAP AB - Force–displacement measurements and micrograph analyses are commonly used methods to validate numerical models of clinching processes. However, these methods often lead to resetting of elastic deformations and crack- closing after unloading. In contrast, the in situ computed tomography (CT) can provide three-dimensional images of the clinch point under loading conditions. In this paper, the potential of the in situ investigation of a clinching process as validation method is analyzed. For the in situ testing, a tailored test set-up featuring a beryllium cylinder for load-bearing and clinching tools made from ultra-high-strength titanium and Si3N4 are used. In the experiments, the clinching of two aluminum sheets is interrupted at specific process steps in order to perform the CT scans. It is shown that in situ CT visualizes the inner geometry of the joint at high precision and that this method is suitable to validate numerical models. AU - Köhler, Daniel AU - Kupfer, Robert AU - Troschitz, Juliane AU - Gude, Maik ID - 34212 KW - Clinching KW - Non-destructive testing KW - Computed tomography KW - In situ CT SN - 2367-1181 T2 - The Minerals, Metals & Materials Series TI - Clinching in In Situ CT—A Novel Validation Method for Mechanical Joining Processes ER - TY - JOUR AB - Resource-saving and sustainable production is becoming increasingly important regarding social, political and economic aspects, thus making the use of lightweight-construction technologies a current trend. For this reason, multi-material-systems made of high-strength steel and aluminium as well as metal and fibre-reinforced plastics gain in importance. However, different material properties, e.g. stiffness, thermal expansion coefficients or chemical incompatibilities, are challenging for conventional joining technologies. Joining by cold formed pin structures has shown to have high potential for joining multi-material-systems. These pins can be joined either by direct pin pressing into an unperforated joining partner or by caulking, where the pins are inserted through a pre-punched joining partner and the pin head is upset, resulting in a form-fit joint. Usually, cylindrical pins are used for joining. However, non-rotationally symmetrical pin geometries offer the possibility of introducing a predetermined breaking point or reinforcing a connection in the principal force direction. In this work, cylindrical pins as well as non-rotationally symmetrical pin geometries, such as polygonal and oval pin structures, are cold extruded from the sheet metal plane of an HCT590X+Z dual phase steel and joined in the next step with an EN AW-6014 aluminium using direct pin pressing. Since the formation of an undercut has an crucial influence on the joint strength, the investigations will be focused on the resulting joint geometry. In addition, the effect of different pin heights will be examined to analyse the joint formation at different levels of compression of the pin structures. Finally, the joints are evaluated regarding their joint strength in tensile shear tests and cross tension tests. Here the flow resistance of the geometry used as well as the pin height and thus the strain hardening of the pin base during the extrusion of the pins play a decisive role for the shear strength. AU - Römisch, David AU - Kraus, Martin AU - Merklein, Marion ID - 34219 IS - 6 JF - Proceedings of the Institution of Mechanical Engineers, Part L: Journal of Materials: Design and Applications KW - Mechanical Engineering KW - General Materials Science SN - 1464-4207 TI - Investigation of the influence of formed, non-rotationally symmetrical pin geometries and their effect on the joint quality of steel and aluminium sheets by direct pin pressing VL - 236 ER - TY - JOUR AB - In this study, quasi-unidirectional continuous fiber reinforced thermoplastics (CFRTs) are joined with metal sheets via cold formed cylindrical, elliptical and polygonal pin structures which are directly pressed into the CFRT component after local infrared heating. In comparison to already available studies, the unique novelty is the use of non-rotational symmetric pin structures for the CFRT/metal hybrid joining. Thus, a variation in the fiber orientation in the CFRT component as well as a variation in the non-rotational symmetric pins’ orientation in relation to the sample orientation is conducted. The created samples are consequently mechanically tested via single lap shear experiments in a quasi-static state. Finally, the failure behavior of the single lap shear samples is investigated with the help of microscopic images and detailed photographs. In the single lap shear tests, it could be shown that non-rotational symmetric pin structures lead to an increase in maximum testing forces of up to 74% when compared to cylindrical pins. However, when normalized to the pin foot print related joint strength, only one polygonal pin variation showed increased joint strength in comparison to cylindrical pin structures. The investigation of the failure behavior showed two distinct failure modes. The first failure mode was failure of the CFRT component due to an exceedance of the maximum bearing strength of the pin-hole leading to significant damage in the CFRT component. The second failure mode was pin-deflection due to the applied testing load and a subsequent pin extraction from the CFRT component resulting in significantly less visible damage in the CFRT component. Generally, CFRT failure is more likely with a fiber orientation of 0° in relation to the load direction while pin extraction typically occurs with a fiber orientation of 90°. It is assumed that for future investigations, pin structures with an undercutting shape that creates an interlocking joint could counteract the tendency for pin-extraction and consequently lead to increased maximum joint strengths. AU - Popp, Julian AU - Römisch, David AU - Merklein, Marion AU - Drummer, Dietmar ID - 34223 IS - 10 JF - Applied Sciences KW - Fluid Flow and Transfer Processes KW - Computer Science Applications KW - Process Chemistry and Technology KW - General Engineering KW - Instrumentation KW - General Materials Science SN - 2076-3417 TI - Joining of CFRT/Steel Hybrid Parts via Direct Pressing of Cold Formed Non-Rotational Symmetric Pin Structures VL - 12 ER - TY - JOUR AB - Thermoplastic composites (TPCs) are predestined for use in lightweight structures, especially for high-volume applications. In many cases, joining is a key factor for the successful application of TPCs in multi-material systems. Many joining processes for this material group are based on warm forming the joining zone. This results in a change of the local material structure characterised by modified fibre paths, as well as varying fibre contents, which significantly influences the load-bearing behaviour. During the forming process, many different phenomena occur simultaneously at different scales. In this paper, the deformation modes and flow mechanisms of TPCs during forming described in the literature are first analysed. Based on this, three different joining processes are investigated: embedding of inserts, moulding of contour joints, and hotclinching. In order to identify the phenomena occurring in each process and to describe the characteristic resulting material structure in the joining zones, micrographs as well as computed tomography (CT) analyses are performed for both individual process stages and final joining zones. AU - Troschitz, Juliane AU - Gröger, Benjamin AU - Würfel, Veit AU - Kupfer, Robert AU - Gude, Maik ID - 34225 IS - 15 JF - Materials SN - 1996-1944 TI - Joining Processes for Fibre-Reinforced Thermoplastics: Phenomena and Characterisation VL - 15 ER - TY - JOUR AB - Unter dem Begriff der Auflösung wird für gewöhnlich das kleinste messbare Merkmal eines Messsystems verstanden. In der dimensionellen Computertomografie hingegen haben sich in den vergangenen Jahren mehrere Auflösungskonzepte etabliert, die aufgrund der fehlenden Normung zueinander im Kontrast stehen. In diesem Beitrag werden die drei häufigsten Konzepte, die Voxelgröße, die Ortsauflösung und die metrologische Strukturauflösung in Kürze vorgestellt. Anschließend wird eine Abgrenzung zwischen den Konzepten getroffen und ein Integration der bestehenden Konzepte in ein gemeinsames Amplituden-Wellenlängen Diagramm diskutiert. AU - Binder, Felix AU - Hausotte, Tino ID - 34221 IS - s1 JF - tm - Technisches Messen KW - Electrical and Electronic Engineering KW - Instrumentation SN - 2196-7113 TI - Über die Abgrenzung von Auflösungskonzepten in der industriellen Computertomografie VL - 89 ER - TY - JOUR AB - Die Erkennbarkeit von Rissen und geometrischen Qualitätskennwerten von Fügeverbindungen mittels Computertomografie ist von der Interfacestrukturauflösung abhängig, welche mittels geeigneter Prüfkörper untersucht wird. Die Reduktion von Abbildungsartefakten im Bereich von Bauteilzwischenräumen und -oberflächen verbessert deren dimensionelle Erfassbarkeit. AU - Busch, Matthias AU - Butzhammer, Lorenz AU - Hausotte, Tino ID - 34220 IS - s1 JF - tm - Technisches Messen KW - Electrical and Electronic Engineering KW - Instrumentation SN - 2196-7113 TI - Herausforderungen bei computertomografischen Untersuchungen von Fügeverbindungen VL - 89 ER - TY - CONF AU - Marx, Julian AU - Rieskamp, Jonas AU - Mirbabaie, Milad ID - 33519 T2 - Proceedings of the 33rd Australasian Conference on Information Systems TI - ‘Just a Normal Day in the Metaverse’ – Distraction Conflicts of Knowledge Work in Virtual Environments ER - TY - CONF AU - Alshomary, Milad AU - Rieskamp, Jonas AU - Wachsmuth, Henning ID - 32247 T2 - Proceedings of the 9th International Conference on Computational Models of Argument TI - Generating Contrastive Snippets for Argument Search ER - TY - THES AB - Das Ultraschall-Dickdrahtbonden mit Aluminiumdraht ist ein Standardverfahren zur elektrischenKontaktierung von Leistungshalbleitermodulen. Die steigenden Anforderungen an die Effizienzund Zuverlässigkeit der Module haben zu technologischen Weiterentwicklungen geführt und eswerden vermehrt Kupferdrähte mit wesentlich besseren elektrischen und thermischen Eigenschafteneingesetzt. Hieraus resultieren durch höhere Prozesskräfte und Ultraschallleistung neueHerausforderungen bei der Prozessentwicklung; hierfür wird ein Simulationsmodell zur Verbesserungder Prozessentwicklung entwickelt.In Ultraschall-Drahtbondversuchen mit 400 m Aluminium und Kupfer Drähten wurde der Einflussder Prozessparameter auf die Bondqualität untersucht; diese Ergebnisse und zusätzliche Messungender Drahtdeformation und Schwingungen wurden für die Formulierung der Anforderungenund zur Validierung der Ergebnisse des Simulationsmodells genutzt.Es wurde ein Prozessmodell, basierend auf einer Co-Simulation zwischen MATLAB und ANSYS,entwickelt; hierbei wurden die phyiskalischen Phänomene wie die Ultraschall Werkstoffentfestigung,der Verbindungsaufbau und die dynamischen Systemeigenschaften abgebildet.Basierend auf einer Zug-Druck-Prüfmaschine wurde ein Prüfstand zur Identifikation der Modellparameterentwickelt. In zusätzlichen Druckversuchen mit den Bonddrähten mit und ohneUltraschallanregung wurde die Reduktion der Umformkräfte unter Ultraschalleinfluss untersucht.Mit dem entwickelten Prozessmodell wurden die Parameterstudien aus den Ultraschall-Drahtbondversuchensimuliert und direkt mit den experimentellen Ergebnissen verglichen, wobei sich einerelativ gute Übereinstimmung zwischen Simulation und Messung sowohl für Aluminium, als auchfür Kupfer, erzielen ließ. AU - Schemmel, Reinhard ID - 34272 SN - 978-3-8440-8527-3 TI - Enhanced process development by simulation of ultrasonic heavy wire bonding VL - 13 ER - TY - JOUR AU - Gutt, Jana Kim AU - Thommes, Kirsten ID - 34283 IS - 1 JF - Academy of Management Proceedings KW - Microbiology SN - 0065-0668 TI - Speaking of Performance: Evaluating Team Members’ Performance with Open-Ended Audio Comments VL - 2022 ER - TY - CONF AU - Trentinaglia, Roman ID - 34298 T2 - Proceedings of the 25th International Conference on Model Driven Engineering Languages and Systems: Companion Proceedings TI - Deriving model-based safety and security assurance cases from design rationale of countermeasure patterns ER - TY - JOUR AB - Eines der Lernziele des Physikstudiums stellt der Erwerb literaler Fähigkeiten für das Verfassen wissenschaftlicher Arbeiten dar. Die Student:innen werden allerdings im Rahmen ihres Studiums bisher kaum systematisch beim Erwerb dieser Fähigkeiten unterstützt. Eine Übungsgelegenheit für das Verfassen von Texten nach wissenschaftlichem Vorbild stellt das Laborpraktikum dar, in dem die Student:innen zu den absolvierten Experimenten Laborberichte verfassen. Im Paderborner Physik Praktikum 3P wurden in den letzten Jahren vier unterschiedliche Unterstützungsangebote für das Erlernen des wissenschaftlichen Schreibens entwickelt und mittels Zufriedenheitswerten evaluiert. In dem Beitrag werden die vier Angebote auf inhaltlicher Ebene hinsichtlich der Lernwirksamkeit mittels einer schriftproduktbasierten Evaluation analysiert. Durch die vergleichende Analyse können Potenziale und Grenzen der Angebote diskutiert und Implikationen für die Gestaltung von Unterstützungsangeboten zum Erlernen des wissenschaftlichen Schreibens in der Physik abgeleitet werden. AU - Bauer, Anna Brigitte AU - Lahme, Simon Zacharias AU - Sacher, Marc ID - 34316 IS - 1 JF - PhyDid A - Physik und Didaktik in Schule und Hochschule KW - Laborpraktikum KW - Schreiben TI - Potenziale und Grenzen von Unterstützungsmaßnahmen zum wissenschaftlichen Schreiben im Paderborner Physik Praktikum 3P VL - 21 ER - TY - JOUR AB - AbstractThe solvation of ions changes the physical, chemical and thermodynamic properties of water, and the microscopic origin of this behaviour is believed to be ion-induced perturbation of water’s hydrogen-bonding network. Here we provide microscopic insights into this process by monitoring the dissipation of energy in salt solutions using time-resolved terahertz–Raman spectroscopy. We resonantly drive the low-frequency rotational dynamics of water molecules using intense terahertz pulses and probe the Raman response of their intermolecular translational motions. We find that the intermolecular rotational-to-translational energy transfer is enhanced by highly charged cations and is drastically reduced by highly charged anions, scaling with the ion surface charge density and ion concentration. Our molecular dynamics simulations reveal that the water–water hydrogen-bond strength between the first and second solvation shells of cations increases, while it decreases around anions. The opposite effects of cations and anions on the intermolecular interactions of water resemble the effects of ions on the stabilization and denaturation of proteins. AU - Balos, Vasileios AU - Kaliannan, Naveen Kumar AU - Elgabarty, Hossam AU - Wolf, Martin AU - Kühne, Thomas AU - Sajadi, Mohsen ID - 34300 IS - 9 JF - Nature Chemistry KW - General Chemical Engineering KW - General Chemistry SN - 1755-4330 TI - Time-resolved terahertz–Raman spectroscopy reveals that cations and anions distinctly modify intermolecular interactions of water VL - 14 ER - TY - BOOK AB - Wie werden technische Systeme zeitgemäß entwickelt, die in Komplexität und Anspruch alles bisher Dagewesene übertreffen? Darauf gibt Systems Engineering Antworten. Bisherige Beschreibungen sind für den Maschinenbau aber oft schwer greifbar und zu unkonkret. Dieses Buch bricht den internationalen Stand der Wissenschaft auf das Wesentliche herunter und beschreibt praxisnah die Kernelemente des Systems Engineering. Eine konkrete Schritt-für-Schritt Anleitung ebnet den Weg für den erfolgreichen Transfer aus der klassischen Produktentwicklung hin zum Systems Engineering. Die Inhalte werden grafisch professionell und bewusst lebendig vermittelt. So wird nicht nur ein fundiertes Systems Engineering-Verständnis geschaffen, sondern auch die Basis für Kommunikation und Umsetzung im Unternehmen gelegt. AU - Gräßler, Iris AU - Oleff, Christian ID - 34397 SN - 978-3-662-64516-1 TI - Systems Engineering - verstehen und industriell umsetzen ER - TY - CONF AB - Challenges in the development of resource-efficient lightweight designs, such as emission and cost targets in production, lead to an increasing demand for environmentally friendly and fast joining processes. Therefore, cold-forming mechanical joining techniques provide an energy-efficient alternative in comparison to established processes, such as spot welding. However, to ensure a sufficient reliability of the product design, not only the selection of an appropriate manufacturing and joining method, but also the suitable dimensioning and validation of the entire joining process is a crucial step. In this context, thermal processes offer a large number of design principles while mechanical joining methods mainly require extensive experimental tests and the inclusion of expert knowledge. Although few contributions already investigated the data-based analysis of mechanical joints, a system for the requirement- and manufacturing-oriented dimensioning of joining components, such as different profiles and blanks, in combination with the estimation of joint properties is not available yet. Motivated by this lack, this contribution introduces an engineering workbench for the support of design engineers in the early development phases of the knowledge and data-based design of mechanical joining connections using clinching as an example. In this regard, the approach is demonstrated involving a similar material and sheet thickness combination with static loads. AU - Zirngibl, Christoph AU - Sauer, Christopher AU - Schleich, Benjamin AU - Wartzack, Sandro ID - 34415 T2 - Volume 2: 42nd Computers and Information in Engineering Conference (CIE) TI - Knowledge and Data-Based Design and Dimensioning of Mechanical Joining Connections ER - TY - JOUR AB - Given strict emission targets and legal requirements, especially in the automotive industry, environmentally friendly and simultaneously versatile applicable production technologies are gaining importance. In this regard, the use of mechanical joining processes, such as clinching, enable assembly sheet metals to achieve strength properties similar to those of established thermal joining technologies. However, to guarantee a high reliability of the generated joint connection, the selection of a best-fitting joining technology as well as the meaningful description of individual joint properties is essential. In the context of clinching, few contributions have to date investigated the metamodel-based estimation and optimization of joint characteristics, such as neck or interlock thickness, by applying machine learning and genetic algorithms. Therefore, several regression models have been trained on varying databases and amounts of input parameters. However, if product engineers can only provide limited data for a new joining task, such as incomplete information on applied joining tool dimensions, previously trained metamodels often reach their limits. This often results in a significant loss of prediction quality and leads to increasing uncertainties and inaccuracies within the metamodel-based design of a clinch joint connection. Motivated by this, the presented contribution investigates different machine learning algorithms regarding their ability to achieve a satisfying estimation accuracy on limited input data applying a statistically based feature selection method. Through this, it is possible to identify which regression models are suitable to predict clinch joint characteristics considering only a minimum set of required input features. Thus, in addition to the opportunity to decrease the training effort as well as the model complexity, the subsequent formulation of design equations can pave the way to a more versatile application and reuse of pretrained metamodels on varying tool configurations for a given clinch joining task. AU - Zirngibl, Christoph AU - Schleich, Benjamin AU - Wartzack, Sandro ID - 34417 IS - 4 JF - AI KW - Industrial and Manufacturing Engineering SN - 2673-2688 TI - Estimation of Clinch Joint Characteristics Based on Limited Input Data Using Pre-Trained Metamodels VL - 3 ER - TY - CHAP AU - Harmening, Anda-Lisa Martha Josephine Anna ID - 33186 T2 - Sonderausgabe des Jahrbuchs für internationale Germanistik 2022 TI - Das Leben nehmen oder den Tod geben – Selbstbestimmtes Sterben auf der Schwelle von Utopie zur Realität? ER - TY - BOOK ED - Harmening, Anda-Lisa Martha Josephine Anna ED - Leinfellner, Stefanie ED - Meier, Rebecca ID - 34450 SN - 978-3-534-27585-4 TI - Wissenstransfer als Aufgabe, Herausforderung und Chance kulturwissenschaftlicher Forschung VL - 1 ER - TY - BOOK ED - Tönnies, Merle ED - Voigts, Eckart ID - 34453 TI - Twenty-First Century Anxieties: Dys/Utopian Spaces and Contexts in Contemporary British Theatre VL - 32 ER - TY - JOUR AU - Tönnies, Merle AU - Flotmann-Scholz, Christina ID - 34452 IS - 2 JF - Anglistik: International Journal of English Studies TI - Directing Pandemic Attention: Dystopian Corona Narratives and the Nation in British Media and Politics VL - 33 ER - TY - JOUR AU - Tönnies, Merle AU - Voigts, Eckart ID - 34454 JF - Twenty-First Century Anxieties: Dys/Utopian Spaces and Contexts in Contemporary British Theatre (CDE Studies) TI - Anger, Anxiety and Hope: The Complicit Realities and Engaged/ing Communities of Contemporary Briitsh Dys/Utopian Theatre VL - 32 ER - TY - CHAP AU - Lütje-Klose , Birgit AU - Grüter, Sandra AU - Neumann, Phillip AU - Weber, Antonia AU - Goldan, Janka AU - Gorges, Julia AU - Wild, Elke ED - Lutz, Deborah ED - Becker, Jonas ED - Buchhaupt, Felix ED - Katzenbach, Dieter ED - Strecker, Alicia ED - Urban, Michael ID - 34467 SN - 978-3-8309-4514-7 T2 - Qualifizierung für Inklusion. Sekundarstufe TI - Weil wir tatsächlich nicht voneinander wussten, was jeder Einzelne so an verborgenen Schätzen bringt VL - 3 ER - TY - CONF AU - laeim, Huddad AU - Schlickriede, Christian AU - Chaisakul, Papichaya AU - Chattham, Nattaporn AU - Panitchakan, Hathai AU - Siangchaew, Krisda AU - Zentgraf, Thomas AU - Pattanaporhratana, Apichart ED - Engheta, Nader ED - Noginov, Mikhail A. ED - Zheludev, Nikolay I. ID - 34465 T2 - Metamaterials, Metadevices, and Metasystems 2022 TI - Design and investigation of a metalens for efficiency enhancement of laser-waveguide coupling in a limited space system ER - TY - JOUR AB - Abstract Background The outcome after ACL reconstruction (ACLR) is in general disappointing with unacceptable number of athletes that do not return to pre-injury level of sports, high re-injury rates, early development of osteoarthritis and shorter careers. Athletes after ACLR have high expectation to return to sports which is in contrast with the current outcomes. The aim of this manuscript is to present an overview of factors that are needed to be incorporated and to personalize the rehabilitation process for an athlete who has undergone an ACLR. Level of evidence 4. AU - Gokeler, Alli AU - Grassi, Alberto AU - Hoogeslag, Roy AU - van Houten, Albert AU - Bolling, Caroline AU - Buckthorpe, Matthew AU - Norte, Grant AU - Benjaminse, Anne AU - Heuvelmans, Pieter AU - Di Paolo, Stefano AU - Tak, Igor AU - Villa, Francesco Della ID - 32578 IS - 1 JF - Journal of Experimental Orthopaedics KW - Orthopedics and Sports Medicine SN - 2197-1153 TI - Return to sports after ACL injury 5 years from now: 10 things we must do VL - 9 ER - TY - JOUR AU - Scharfen, Hans-Erik AU - Lehmann, Tim AU - Büchel, Daniel AU - Baumeister, Jochen ID - 32361 JF - Psychology of Sport and Exercise KW - Applied Psychology SN - 1469-0292 TI - Cortical responses to sport-specific stimuli in a standing stop signal task ER - TY - JOUR AU - Di Paolo, Stefano AU - Nijmeijer, Eline AU - Bragonzoni, Laura AU - Dingshoff, Evelien AU - Gokeler, Alli AU - Benjaminse, Anne ID - 32449 JF - European Journal of Sport Science KW - Orthopedics and Sports Medicine KW - Physical Therapy KW - Sports Therapy and Rehabilitation KW - General Medicine SN - 1746-1391 TI - Comparing lab and field agility kinematics in young talented female football players: Implications for ACL injury prevention ER - TY - JOUR AB - Abstract Background The outcome after ACL reconstruction (ACLR) is in general disappointing with unacceptable number of athletes that do not return to pre-injury level of sports, high re-injury rates, early development of osteoarthritis and shorter careers. Athletes after ACLR have high expectation to return to sports which is in contrast with the current outcomes. The aim of this manuscript is to present an overview of factors that are needed to be incorporated and to personalize the rehabilitation process for an athlete who has undergone an ACLR. Level of evidence 4. AU - Gokeler, Alli AU - Grassi, Alberto AU - Hoogeslag, Roy AU - van Houten, Albert AU - Lehman, Tim AU - Bolling, Caroline AU - Buckthorpe, Matthew AU - Norte, Grant AU - Benjaminse, Anne AU - Heuvelmans, Pieter AU - Di Paolo, Stefano AU - Tak, Igor AU - Villa, Francesco Della ID - 34478 IS - 1 JF - Journal of Experimental Orthopaedics KW - Orthopedics and Sports Medicine SN - 2197-1153 TI - Return to sports after ACL injury 5 years from now: 10 things we must do VL - 9 ER - TY - JOUR AU - Gokeler, Alli AU - Grassi, Alberto AU - Hoogeslag, Roy AU - van Houten, Albert AU - Lehman, Tim AU - Bolling, Caroline AU - Buckthorpe, Matthew AU - Norte, Grant AU - Benjaminse, Anne AU - Heuvelmans, Pieter AU - Di Paolo, Stefano AU - Tak, Igor AU - Villa, Francesco Della ID - 34477 IS - 1 JF - Journal of Experimental Orthopaedics KW - Orthopedics and Sports Medicine SN - 2197-1153 TI - Correction: Return to sports after ACL injury 5 years from now: 10 things we must do VL - 9 ER - TY - JOUR AU - Di Paolo, Stefano AU - Nijmeijer, Eline AU - Bragonzoni, Laura AU - Dingshoff, Evelien AU - Gokeler, Alli AU - Benjaminse, Anne ID - 34475 JF - European Journal of Sport Science KW - Orthopedics and Sports Medicine KW - Physical Therapy KW - Sports Therapy and Rehabilitation KW - General Medicine SN - 1746-1391 TI - Comparing lab and field agility kinematics in young talented female football players: Implications for ACL injury prevention ER - TY - CHAP AU - Wolters, Dennis AU - Engels, Gregor ED - Taibi, Davide ED - Kuhrmann, Marco ED - Mikkonen, Tommi ED - Klünder, Jil ED - Abrahamsson, Pekka ID - 34292 SN - 0302-9743 T2 - Product-Focused Software Process Improvement TI - Towards Situational Process Management for Professional Education Programmes VL - 13709 ER - TY - CONF AB - This report presents the results of a friendly competition for formal verification and policy synthesis of stochastic models. It also introduces new benchmarks and their properties within this category and recommends next steps for this category towards next year’s edition of the competition. In comparison with tools on non-probabilistic models, the tools for stochastic models are at the early stages of development that do not allow full competition on a standard set of benchmarks. We report on an initiative to collect a set of minimal benchmarks that all such tools can run, thus facilitating the comparison between efficiency of the implemented techniques. The friendly competition took place as part of the workshop Applied Verification for Continuous and Hybrid Systems (ARCH) in Summer 2022. AU - Abate, Alessandro AU - Blom, Henk AU - Delicaris, Joanna AU - Haesaert, Sofie AU - Hartmanns, Arnd AU - van Huijgevoort, Birgit AU - Lavaei, Abolfazl AU - Ma, Hao AU - Niehage, Mathis AU - Remke, Anne AU - Schön, Oliver AU - Schupp, Stefan AU - Soudjani, Sadegh AU - Willemsen, Lisa ID - 34532 SN - 2398-7340 T2 - EPiC Series in Computing TI - ARCH-COMP22 Category Report: Stochastic Models ER -