68 citations · 325 across the 30 of their papers we have counts for
31 papers
Skin-Deep Bias: How Avatar Appearances Shape Perceptions of AI Hiring
Ka Hei Carrie Lau, Philipp Stark, Efe Bozkir +1
Artificial intelligence is increasingly used in hiring, raising concerns about how applicants perceive these systems. While prior work on algorithmic fairness has emphasized techni…
Safeguarding Privacy: Privacy-Preserving Detection of Mind Wandering and Disengagement Using Federated Learning in Online Education
Anna Bodonhelyi, Mengdi Wang, Efe Bozkir +2
Since the COVID-19 pandemic, online courses have expanded access to education, yet the absence of direct instructor support challenges learners' ability to self-regulate attention…
Exploring Organizational Readiness and Ecosystem Coordination for Industrial XR
Hasan Tarik Akbaba, Efe Bozkir, Anna Puhl +2
Extended Reality (XR) offers transformative potential for industrial support, training, and maintenance; yet, widespread adoption lags despite demonstrated occupational value and h…
Exploring User Acceptance and Concerns toward LLM-powered Conversational Agents in Immersive Extended Reality
Efe Bozkir, Enkelejda Kasneci
The rapid development of generative artificial intelligence (AI) and large language models (LLMs), and the availability of services that make them accessible, have led the general…
CycleSL: Server-Client Cyclical Update Driven Scalable Split Learning
Mengdi Wang, Efe Bozkir, Enkelejda Kasneci
Split learning emerges as a promising paradigm for collaborative distributed model training, akin to federated learning, by partitioning neural networks between clients and a serve…
The Impact of Device Type, Data Practices, and Use Case Scenarios on Privacy Concerns about Eye-tracked Augmented Reality in the United States and Germany
Efe Bozkir, Babette Bühler, Xiaoyuan Wu +3
Augmented reality technology will likely be prevalent with more affordable head-mounted displays. Integrating novel interaction modalities, such as eye trackers into head-mounted d…
Multimodal Assessment of Classroom Discourse Quality: A Text-Centered Attention-Based Multi-Task Learning Approach
Ruikun Hou, Babette Bühler, Tim Fütterer +4
Classroom discourse is an essential vehicle through which teaching and learning take place. Assessing different characteristics of discursive practices and linking them to student…
Examining the Role of LLM-Driven Interactions on Attention and Cognitive Engagement in Virtual Classrooms
Suleyman Ozdel, Can Sarpkaya, Efe Bozkir +2
Transforming educational technologies through the integration of large language models (LLMs) and virtual reality (VR) offers the potential for immersive and interactive learning e…
Automated Visual Attention Detection using Mobile Eye Tracking in Behavioral Classroom Studies
Efe Bozkir, Christian Kosel, Tina Seidel +1
Teachers' visual attention and its distribution across the students in classrooms can constitute important implications for student engagement, achievement, and professional teache…
Trade-offs in Privacy-Preserving Eye Tracking through Iris Obfuscation: A Benchmarking Study
Mengdi Wang, Efe Bozkir, Enkelejda Kasneci
Recent developments in hardware, computer graphics, and AI may soon enable AR/VR head-mounted displays (HMDs) to become everyday devices like smartphones and tablets. Eye trackers…
Iris Style Transfer: Enhancing Iris Recognition with Style Features and Privacy Preservation through Neural Style Transfer
Mengdi Wang, Efe Bozkir, Enkelejda Kasneci
Iris texture is widely regarded as a gold standard biometric modality for authentication and identification. The demand for robust iris recognition methods, coupled with growing se…
Exploring Context-aware and LLM-driven Locomotion for Immersive Virtual Reality
Suleyman Ozdel, Kadir Burak Buldu, Enkelejda Kasneci +1
Locomotion plays a crucial role in shaping the user experience within virtual reality environments. In particular, hands-free locomotion offers a valuable alternative by supporting…
Adaptive Gen-AI Guidance in Virtual Reality: A Multimodal Exploration of Engagement in Neapolitan Pizza-Making
Ka Hei Carrie Lau, Sema Sen, Philipp Stark +2
Virtual reality (VR) offers promising opportunities for procedural learning, particularly in preserving intangible cultural heritage. Advances in generative artificial intelligence…
CUIfy the XR: An Open-Source Package to Embed LLM-powered Conversational Agents in XR
Kadir Burak Buldu, Süleyman Özdel, Ka Hei Carrie Lau +6
Recent developments in computer graphics, machine learning, and sensor technologies enable numerous opportunities for extended reality (XR) setups for everyday life, from skills tr…
Wrapped in Anansi's Web: Unweaving the Impacts of Generative-AI Personalization and VR Immersion in Oral Storytelling
Ka Hei Carrie Lau, Bhada Yun, Samuel Saruba +2
Oral traditions, vital to cultural identity, are losing relevance among youth due to the dominance of modern media. This study addresses the revitalization of these traditions by r…
Evaluating Usability and Engagement of Large Language Models in Virtual Reality for Traditional Scottish Curling
Ka Hei Carrie Lau, Efe Bozkir, Hong Gao +1
This paper explores the innovative application of Large Language Models (LLMs) in Virtual Reality (VR) environments to promote heritage education, focusing on traditional Scottish…
From Passive Watching to Active Learning: Empowering Proactive Participation in Digital Classrooms with AI Video Assistant
Anna Bodonhelyi, Enkeleda Thaqi, Süleyman Özdel +2
In online education, innovative tools are crucial for enhancing learning outcomes. SAM (Study with AI Mentor) is an advanced platform that integrates educational videos with a cont…
Introduction to Eye Tracking: A Hands-On Tutorial for Students and Practitioners
Enkelejda Kasneci, Hong Gao, Suleyman Ozdel +6
Eye-tracking technology is widely used in various application areas such as psychology, neuroscience, marketing, and human-computer interaction, as it is a valuable tool for unders…
Privacy-preserving Scanpath Comparison for Pervasive Eye Tracking
Suleyman Ozdel, Efe Bozkir, Enkelejda Kasneci
As eye tracking becomes pervasive with screen-based devices and head-mounted displays, privacy concerns regarding eye-tracking data have escalated. While state-of-the-art approache…
Automated Assessment of Encouragement and Warmth in Classrooms Leveraging Multimodal Emotional Features and ChatGPT
Ruikun Hou, Tim Fütterer, Babette Bühler +4
Classroom observation protocols standardize the assessment of teaching effectiveness and facilitate comprehension of classroom interactions. Whereas these protocols offer teachers…
On Task and in Sync: Examining the Relationship between Gaze Synchrony and Self-Reported Attention During Video Lecture Learning
Babette Bühler, Efe Bozkir, Hannah Deininger +3
Successful learning depends on learners' ability to sustain attention, which is particularly challenging in online education due to limited teacher interaction. A potential indicat…
Embedding Large Language Models into Extended Reality: Opportunities and Challenges for Inclusion, Engagement, and Privacy
Efe Bozkir, Süleyman Özdel, Ka Hei Carrie Lau +3
Advances in artificial intelligence and human-computer interaction will likely lead to extended reality (XR) becoming pervasive. While XR can provide users with interactive, engagi…
User Intent Recognition and Satisfaction with Large Language Models: A User Study with ChatGPT
Anna Bodonhelyi, Efe Bozkir, Shuo Yang +2
The rapid evolution of LLMs represents an impactful paradigm shift in digital interaction and content engagement. While they encode vast amounts of human-generated knowledge and ex…
TurboSVM-FL: Boosting Federated Learning through SVM Aggregation for Lazy Clients
Mengdi Wang, Anna Bodonhelyi, Efe Bozkir +1
Federated learning is a distributed collaborative machine learning paradigm that has gained strong momentum in recent years. In federated learning, a central server periodically co…