| 2023 | HCI | Predicting and Understanding Care Levels of Elderly People with Machine Learning - A Random Forest Classifier Integrated with E-Health App and FHIR-Based Data Modeling. | Naguib Heiba, Yehya Mohamad, Carlos A. Velasco, Henrike Gappa, Thomas Berlage, Sandra Geisler |
| 2022 | ICCHP | Making Person-Centred Health Care Beneficial for People with Mild Cognitive Impairment (MCI) or Mild Dementia - Results of Interviews with Patients and Their Informal Caregivers. | Henrike Gappa, Yehya Mohamad, Martin Breidenbach, Pedro Abizanda, Wolfgang Schmidt-Barzynski, Antje Steinhoff, Timothy David Robbins, Harpal Randeva, Ioannis Kyrou, Oana Cramariuc, Cristiana Ciobanu, Theodoros N. Arvanitis, Sarah N. Lim Choi Keung, Gokce Banu Laleci Erturkmen, Mert Gentrk, Mustafa Yksel, Jaouhar Ayadi, Luca Gilardi, Angelo Consoli, Lionello Ferrazzini, Carlos A. Velasco |
| 2020 | ICCHP | Requirements for Large Scale Web Accessibility Evaluation. | Fabio Patern, Francesca Pulina, Carmen Santoro, Henrike Gappa, Yehya Mohamad |
| 2018 | ICCHP | Group-Based Expert Walkthroughs to Compensate for Limited Access to Target User Groups as in Case of Chronically Ill Patients. | Henrike Gappa, Gaby Nordbrock, Yehya Mohamad, Carlos A. Velasco |
| 2018 | ICCHP | Evaluation of an Information System for Elderly with Chronic Diseases and for Their Caregiver. | Yehya Mohamad, Henrike Gappa, Gaby Nordbrock, Carlos A. Velasco |
| 2016 | ICCHP | Study on Elicitation and Detection of Emotional States with Disabled Users. | Yehya Mohamad, Gaby Nordbrock, Henrike Gappa, Carlos A. Velasco |
| 2014 | ICCHP | Extended Scaffolding by Remote Collaborative Interaction to Support People with Dementia in Independent Living - A User Study. | Henrike Gappa, Gabriele Nordbrock, Manuela Thelen, Jaroslav Pullmann, Yehya Mohamad, Carlos A. Velasco |
| 2012 | ICCHP | Controlled Natural Language Sentence Building as a Model for Designing User Interfaces for Rule Editing in Assisted Living Systems - A User Study. | Henrike Gappa, Gaby Nordbrock, Yehya Mohamad, Jaroslav Pullmann, Carlos A. Velasco |
| 2007 | HCI | The Usability of Accessibility Evaluation Tools. | Helen Petrie, Neil King, Carlos A. Velasco, Henrike Gappa, Gaby Nordbrock |
| 2007 | HCI | Accessibility of Internet Portals in Ambient Intelligent Scenarios: Re-thinking Their Design and Implementation. | Evangelos Vlachogiannis, Carlos A. Velasco, Henrike Gappa, Gabriele Nordbrock, Jenny S. Darzentas |
| 2004 | ICCHP | Preferences of People with Disabilities to Improve Information Presentation and Information Retrieval Inside Internet Services - Results of a User Study. | Henrike Gappa, Gabriele Nordbrock, Yehya Mohamad, Carlos A. Velasco |
| 2004 | ICCHP | Automatic Modification of Text for People with Learning Disabilities Using Internet Services. | Gabriele Nordbrock, Henrike Gappa, Yehya Mohamad, Carlos A. Velasco |
| 2004 | ICCHP | IPCA: Adaptive Interfaces Based upon Biofeedback Sensors. | Carlos A. Velasco, Yehya Mohamad, Dirk Stegemann, Henrike Gappa, Gaby Nordbrock, Erwin Hartsuiker, Javier Snchez-Lacuesta, Juan Manuel Belda |
| 2003 | HCI | BIKA - Competence Center Barrier-Free Information and Communication Technologies for All. | Yehya Mohamad, Henrike Gappa, Gabriele Nordbrock, Dirk Stegemann, Carlos A. Velasco |