PUMA publications for /group/simtech/IntCDCFri Mar 22 10:19:41 CET 2024Proceedings of the International Conference on Data Engineering (ICDE)FairCR - An Evaluation and Recommendation System for Fair Classification Algorithms2024myown intcdc peer rp9-2 peerReviewed ipvs-de accountability Mon Jan 22 10:40:10 CET 2024International Conference on Extending Database Technology (EDBT)FALCC: Efficiently performing locally fair and accurate classifications2024myown intcdc peer rp9-2 peerReviewed ipvs-de accountability Wed Oct 04 15:49:29 CEST 2023New York, NY, USAExtended Abstracts of the 2023 CHI Conference on Human Factors in Computing Systems041–7CHI EA '23"In Your Face!": Visualizing Fitness Tracker Data in Augmented Reality2023myown visus:riglinsn intcdc simtech IntCDC visus:sedlmaml visus:yuxo visus exc2075 exc2075(from2019) 19The benefits of augmented reality (AR) have been demonstrated in both medicine and fitness, while its application in areas where these two fields overlap has been barely explored. We argue that AR opens up new opportunities to interact with, understand and share personal health data. To this end, we developed an app prototype that uses a Snapchat-like face filter to visualize personal health data from a fitness tracker in AR. We tested this prototype in two pilot studies and found that AR does have potential in this type of application. We suggest that AR cannot replace the current interfaces of smartwatches and mobile apps, but it can pick up where current technology falls short in creating intrinsic motivation and personal health awareness. We also provide ideas for future work in this direction.Thu Oct 27 08:18:39 CEST 2022International Conference on Extending Database Technology (EDBT)80--91Progressive Entity Resolution over Incremental Data2023intcdc entity-resolution peer rp9-2 ipvs-de Thu Oct 27 08:12:19 CEST 2022Intelligent Information Systems - Forum, International Conference on Advanced Information Systems Engineering (CAiSE)45--54The ArchIBALD Data Integration Platform: Bridging Fragmented Processes in the Building Industry2022intcdc peer ipvs-de rp9 Fri Aug 05 10:32:29 CEST 2022Journal of VisualizationTouching data with PropellerHand2022myown intcdc rp4 visus:heyenfk visus:achberar visus:sedlmaml peerreviewed from:frankheyen visus Immersive analytics often takes place in virtual environments which promise the users immersion. To fulfill this promise, sensory feedback, such as haptics, is an important component, which is however not well supported yet. Existing haptic devices are often expensive, stationary, or occupy the user’s hand, preventing them from grasping objects or using a controller. We propose PropellerHand, an ungrounded hand-mounted haptic device with two rotatable propellers, that allows exerting forces on the hand without obstructing hand use. PropellerHand is able to simulate feedback such as weight and torque by generating thrust up to 11 N in 2-DOF and a torque of 1.87 Nm in 2-DOF. Its design builds on our experience from quantitative and qualitative experiments with different form factors and parts. We evaluated our prototype through a qualitative user study in various VR scenarios that required participants to manipulate virtual objects in different ways, while changing between torques and directional forces. Results show that PropellerHand improves users’ immersion in virtual reality. Additionally, we conducted a second user study in the field of immersive visualization to investigate the potential benefits of PropellerHand there.Wed Feb 09 14:17:23 CET 2022Datenbank-Spektrum123 - 43Metrics and Algorithms for Locally Fair and Accurate Classifications using Ensembles222022intcdc peer ipvs-de rp9 accountability Mon Mar 15 07:53:06 CET 2021In Proceedings of Database Systems for Business, Technology, and Web (BTW)Using FALCES against bias in automated decisions by integrating fairness in dynamic model ensembles2021intcdc peer ipvs-de rp9 accountability