Tagungsband MuC 2023
Der Tagungsband der MuC 2023 ist in der DL der ACM veröffentlicht worden - unter https://dl.acm.org/doi/proceedings/10.1145/3603555
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- KonferenzbeitragCyber-Physical & Human Systems (CPHS) -- A Review and Outlook(Mensch und Computer 2023 - Tagungsband, 2023) Matthies, Denys; Gabrecht, Marco; Hellbrück, HorstThis paper explores the concept of Cyber-Physical & Human Systems (CPHS), which consist of cyber-physical computer systems and humans that interact on different levels, physically and digitally. CPHS focuses on two aspects: the cyber-physical system and the human system, and how they are linked by artificial intelligence (AI). This concept applies in various applications, such as medical systems, assistance systems, and environmental systems. Aside from providing a comprehensive overview of CPHS and its related concepts, the paper ultimately contributes a definition and closes with an outlook.
- KonferenzbeitragA user-centred approach to facilitate locating company security policies; Nutzerzentrierter Ansatz zur Vereinfachung des Auffindens von Security Policies(Mensch und Computer 2023 - Tagungsband, 2023) Aldag, Lukas; Ballreich, Fabian; Berens, Benjamin; Volkamer, MelanieEnglish: An important factor for the effectiveness of security awareness measures in companies is awareness and consistency of security policies. As part of a case study, a document was created using a user-centred approach that gives an overview of all relevant individual documents (so-called overview document). In addition, a process for publication was developed and evaluated iteratively. The case study took place at a medium-sized energy company in Germany. General lessons learned are derived from the case study. For example, distributing important documents via e-mail carries the risk that this is perceived as less important or is not perceived at all. Deutsch: Ein wichtiger Faktor für die Effektivität von Security Awareness-Maßnahmen in Unternehmen sind die Bekanntheit und Konsistenz von Security Policies. Im Rahmen einer Case Study wurde mit einem nutzerzentrierten Ansatz ein Dokument, das den Nutzenden eine Übersicht über alle relevanten Einzeldokumente (sog. Übersichtsdokument) gibt und ein Prozess zur Bekanntmachung iterativ entwickelt und evaluiert. Die Case Study fand bei einem mittelgroßen Energieversorgungsunternehmen in Deutschland statt. Aus der Case Study werden allgemeine Lessons Learned abgeleitet. Beispielsweise birgt eine Verteilung von wichtigen Dokumenten über E-Mail die Gefahr, dass diese gar nicht oder als weniger wichtig wahrgenommen wird.
- KonferenzbeitragCoShare: a Multi-Pointer Collaborative Screen Sharing Tool(Mensch und Computer 2023 - Tagungsband, 2023) Emmert, Martina; Schmid, Andreas; Wimmer, Raphael; Henze, NielsExisting tools for screen sharing and remote control only allow a single user to interact with a system while others are watching. Collaborative editors and whiteboards allow multiple users to work simultaneously, but only offer a limited set of tools. With CoShare, we combine both concepts into a screen sharing tool that gives remote viewers a mouse pointer and a text cursor so that they can seamlessly collaborate within the same desktop environment. We have developed a proof-of-concept implementation that leverages Linux’ multi-pointer support so users can control applications in parallel. It also allows limited sharing of clipboard and dragging files from the remote viewer’s desktop into the video-streamed desktop. In focus groups we gathered user requirements regarding privacy, control, and communication. A qualitative lab study identified further areas for improvement and demonstrated CoShare’s utility.
- KonferenzbeitragA Virtual Reality Simulator for Timber Fabrication Tasks Using Industrial Robotic Arms.(Mensch und Computer 2023 - Tagungsband, 2023) Bossecker, Eric; Sousa Calepso, Aimée; Kaiser, Benjamin; Verl, Alexander; Sedlmair, MichaelVirtual Reality (VR) simulators are well known applications for immersive spaces. When it comes to Human-Robot Collaboration(HRC), training and safety are important aspects that can be supported by simulators. In this demo, we propose a workflow between ROS and a VR application that allows the use of real robot programming plans to control the robot's digital twin. We also provide the results of a short evaluation that was done with 6 experts, where they provided insights for future improvement and use cases. Our demo is the first step towards a full integrated system where path planning and fabrication steps can be tested with users without any of the risk and cost that are involved when using real industrial robots.
- KonferenzbeitragNOSEwrist: Natural Olfactory Substitution and Extension wrist(Mensch und Computer 2023 - Tagungsband, 2023) Matthies, Denys; Sellhorn, Ole; Gabrecht, Marco; Schuljak, Jörg; Hellbrück, HorstIn this paper, we present a wearable augmentation device that ultimately aims to substitute and extend olfactory sensation. The device utilizes gas sensors mounted on the wrist, combined with a trained machine learning model, to discriminate liquids such as water, alcohol, fluid accelerant, and vinegar. The device aims to be useful in cases where the sense of taste and smell are compromised, such sometimes occuring during a COVID-19 infection. The paper also discusses potential advancements for this technology to be utilized in a variety of ways, beyond just substituting a broken sense, and how it aligns with the vision of early HCI pioneer Douglas Engelbart, and the concept of Assistive Augmentation. The paper concludes that this technology, in combination with artificial intelligence, has the potential to enrich our physical experience and bring us closer to the idea of a "Cyber-Human" in the future.
- KonferenzbeitragHead-Anchored Text Placements and Cognitive Load in Information-Rich Virtual Environment(Mensch und Computer 2023 - Tagungsband, 2023) Mack, Nils A.; Heun, Markus; Rose, MarionIn recent years, there has been a growing trend toward using information-rich virtual environments that combine virtual environments (VE) with text as educational tools. This has been made viable by advances in head-mounted displays (HMDs). However, the use of virtual reality (VR) can create a problem of high extraneous cognitive load (ECL) caused by the VR technology itself. This can hinder learning if it exceeds a user’s limited working memory. To reduce this load, designers of VEs can only address design elements like the text placement method. To give insights into the placement with the lowest ECL, we conducted a study with 30 participants, evaluating different head-anchored text placements in two abstracted, non-stationary learning tasks to assess their cognitive load, usability, and task load. Our results showed that head-anchored text should be placed above eye level for tasks at normal working height. Furthermore, the horizontal movement of text had little to no influence on cognitive load.
- KonferenzbeitragDesign Features of a Career Guidance Platform to Promote Intrinsically Motivated Use(Mensch und Computer 2023 - Tagungsband, 2023) Brandenburger, Jessica; Mötsch, Isabel; Janneck, MoniqueMany career guidance platforms are information portals that have a strong text-based approach and are used in higher grades later in the career guidance process. As part of a research project (JOLanDA) aimed at improving the career orientation of young people, we are developing a gamified platform to support younger pupils (12 years and older) in career orientation also outside of school. In this paper, we report on a moderated usability test (n = 14) with junior experts (students) to gain initial insights on how to improve the platform, as well as results from school workshops (n = 197, grade 7-9) within three field phases. Due to the playful approach, narrative structure (interactive digital storytelling), and a novel interaction concept (scroll-activated animations), the platform seems to attract great interest and has the potential to foster intrinsic user motivation. Based on the results, we provide design recommendations for online learning environments.
- KonferenzbeitragAccessible Text Tools for People with Cognitive Impairments and Non-Native Readers: Challenges and Opportunities(Mensch und Computer 2023 - Tagungsband, 2023) Heuer, Hendrik; Glassman, Elena LeahMany people have problems with reading, which limits their ability to participate in society. This paper explores tools that make text more accessible. For this, we interviewed experts, who proposed tools for different stakeholders and scenarios. Important stakeholders of such tools are people with cognitive impairments and non-native readers. Frequently mentioned scenarios are public administration, the medical domain, and everyday life. The tools proposed by experts support stakeholders by improving how text is compressed, expanded, reviewed, and experienced. In a survey of stakeholders, we confirm that the scenarios are relevant and that the proposed tools appear helpful to them. We provide the Accessible Text Framework to help researchers understand how the different tools can be combined and discuss how individual tools can be implemented. The investigation shows that accessible text tools are an important HCI+AI challenge that a large number of people can benefit from.
- KonferenzbeitragEnacted Selves in Technological Activities – Framework and Case Study in Immersive Telementoring(Mensch und Computer 2023 - Tagungsband, 2023) Dewitz, Bastian; Moazemi, Sobhan; Kalkhoff, Sebastian; Kessler, Steven; Geiger, Christian; Steinicke, Frank; Aubin, Hug; Schmid, FalkoThe incorporation of new technology into existing human activities can be challenging. Numerous models have been proposed in human-computer interaction (HCI) to guide research and analyze effects. However, bridging the gap between experimental data and real-world applications often proves to be difficult. In the last decades, post-cognitivistic approaches have been developed to explain human cognition and the relation between humans and their environment. In this paper, we present a novel framework to systematically describe and analyze challenges in the context of HCI from multiple perspectives. It extends Cultural-Historical Activity Theory (CHAT) and is enriched by contemporary philosophical perspectives (enactivism, pattern theory of self and post-phenomenology). The proposed framework is further illustrated by applying it to an immersive telementoring prototype system.
- KonferenzbeitragImplicit Smartphone Use Interventions to Promote Life-Technology Balance: An App-Market Survey, Design Space and the Case of Life-Relaunched(Mensch und Computer 2023 - Tagungsband, 2023) Terzimehić, Nađa; Draxler, Fiona; Ahsanpour, Mariam; Schmidt, AlbrechtThe increasing emphasis on digital wellbeing (DW) underscores the significance of balancing technology use with other aspects of life. However, it remains unclear to what extent mobile DW apps support this balance by incorporating the life component. We conducted a systematic review of 152 mobile apps available on Google’s Playstore and found that current DW apps mainly focus on digital-centric actions, such as monitoring screen time and setting app limits, while overlooking everyday life activities that occur outside the smartphone. To address this limitation, we created Life-Relaunched, a smartphone launcher that adapts to users’ real-life contexts and activities implicitly. We then performed a preliminary study to examine the opportunities and challenges of incorporating implicit features into DW apps. The results of our study indicate that integrating implicit features can be advantageous in facilitating a balance between life and smartphone use. Nonetheless, it also emphasizes the challenges of user burden in establishing usage contexts initially.