Collecting Links between Entities Ranked by Human Association Strengths. - Jörn Hees; Mohamed Khamis; Ralf Biedert; Slim Abdennadher; Andreas Dengel 001 (ESWC, 2013)

AreCAPTCHA: Outsourcing Arabic Text Digitization to Native Speakers. - Menna Bakry; Mohamed Khamis; Slim Abdennadher (Document Analysis Systems, 2014)

Spectrum management techniques for elastic optical networks: A survey. - Sahar Talebi; Furqan Alam; Iyad A. Katib; Mohamed Khamis; Reda Salama; George N. Rouskas (Opt. Switch. Netw., 2014)

A field study on spontaneous gaze-based interaction with a public display using pursuits. - Mohamed Khamis; Florian Alt; Andreas Bulling (UbiComp/ISWC Adjunct, 2015)

Tackling challenges of interactive public displays using gaze. - Mohamed Khamis; Andreas Bulling; Florian Alt (UbiComp/ISWC Adjunct, 2015)

AirDisplay: Experimenting with Air Flow as a Communication Medium. - Omar Mowafi; Mohamed Khamis; Wael Abouelsaadat (INTERACT (1), 2015)

Investigating User Needs for Bio-sensing and Affective Wearables. - Mariam Hassib; Mohamed Khamis; Stefan Schneegass; Alireza Sahami Shirazi; Florian Alt (CHI Extended Abstracts, 2016)

GazeTouchPass: Multimodal Authentication Using Gaze and Touch on Mobile Devices. - Mohamed Khamis; Florian Alt; Mariam Hassib; Emanuel von Zezschwitz; Regina Hasholzner; Andreas Bulling (CHI Extended Abstracts, 2016)

Challenges and design space of gaze-enabled public displays. - Mohamed Khamis; Florian Alt; Andreas Bulling (UbiComp Adjunct, 2016)

TextPursuits: using text for pursuits-based interaction and calibration on public displays. - Mohamed Khamis; Ozan Saltuk; Alina Hang; Katharina Stolz; Andreas Bulling; Florian Alt (UbiComp, 2016)

6th international workshop on pervasive eye tracking and mobile eye-based interaction. - Diako Mardanbegi; Mohamed Khamis; Shahram Jalaliniya; Päivi Majaranta (UbiComp Adjunct, 2016)

EyeVote in the wild: do users bother correcting system errors on public displays? - Mohamed Khamis; Ludwig Trotter; Markus Tessmann; Christina Dannhart; Andreas Bulling; Florian Alt (MUM, 2016)

Stay Cool! Understanding Thermal Attacks on Mobile-based User Authentication. - Yomna Abdelrahman; Mohamed Khamis; Stefan Schneegass; Florian Alt (CHI, 2017)

Understanding Shoulder Surfing in the Wild: Stories from Users and Observers. - Malin Eiband; Mohamed Khamis; Emanuel von Zezschwitz; Heinrich Hussmann; Florian Alt (CHI, 2017)

GazeTouchPIN: protecting sensitive data on mobile devices using secure multimodal authentication. - Mohamed Khamis; Mariam Hassib; Emanuel von Zezschwitz; Andreas Bulling; Florian Alt (ICMI, 2017)

Brainatwork: logging cognitive engagement and tasks in the workplace using electroencephalography. - Mariam Hassib; Mohamed Khamis; Susanne Friedl; Stefan Schneegass; Florian Alt (MUM, 2017)

They are all after you: investigating the viability of a threat model that involves multiple shoulder surfers. - Mohamed Khamis; Linda Bandelow; Stina Schick; Dario Casadevall; Andreas Bulling; Florian Alt (MUM, 2017)

TransparentHMD: revealing the HMD user's face to bystanders. - Christian Mai; Lukas Rambold; Mohamed Khamis (MUM, 2017)

They are looking at me!: understanding how audience presence impacts on public display users. - Vito Gentile; Mohamed Khamis; Salvatore Sorce; Florian Alt (PerDis, 2017)

GTmoPass: two-factor authentication on public displays using gaze-touch passwords and personal mobile devices. - Mohamed Khamis; Regina Hasholzner; Andreas Bulling; Florian Alt (PerDis, 2017)

EyeScout: Active Eye Tracking for Position and Movement Independent Gaze Interaction with Large Public Displays. - Mohamed Khamis; Axel Hoesl; Alexander Klimczak; Martin Reiss; Florian Alt; Andreas Bulling (UIST, 2017)

Introduction and establishment of virtual training in the factory of the future. - Dominic Gorecky; Mohamed Khamis; Katharina Mura (Int. J. Comput. Integr. Manuf., 2017)

EyePACT: Eye-Based Parallax Correction on Touch-Enabled Interactive Displays. - Mohamed Khamis; Daniel Buschek; Tobias Thieron; Florian Alt; Andreas Bulling (Proc. ACM Interact. Mob. Wearable Ubiquitous Technol., 2017)

PerDis 2017. - Mohamed Khamis; J. Henderson; Guiying Du (IEEE Pervasive Comput., 2017)

VRpursuits: interaction in virtual reality using smooth pursuit eye movements. - Mohamed Khamis; Carl Oechsner; Florian Alt; Andreas Bulling (AVI, 2018)

Exploring Participatory Design Methods to Engage with Arab Communities. - Ebtisam Abdullah Alabdulqader; Shaimaa Lazem; Mohamed Khamis; Susan M. Dray (CHI Extended Abstracts, 2018)

Which one is me?: Identifying Oneself on Public Displays. - Mohamed Khamis; Christian Becker 001; Andreas Bulling; Florian Alt (CHI, 2018)

Understanding Face and Eye Visibility in Front-Facing Cameras of Smartphones used in the Wild. - Mohamed Khamis; Anita Baier; Niels Henze; Florian Alt; Andreas Bulling (CHI, 2018)

Pocket Transfers: Interaction Techniques for Transferring Content from Situated Displays to Mobile Devices. - Ville Mäkelä; Mohamed Khamis; Lukas Mecke; Jobin Mathew James; Markku Turunen; Florian Alt (CHI, 2018)

Privacy Invasion Experiences and Perceptions: A Comparison Between Germany and the Arab World. - Mennat-Allah Saleh; Mohamed Khamis; Christian Sturm 001 (CHI Extended Abstracts, 2018)

Lunchocracy: Improving Eating Dynamics in the Workplace Using a Bot-Based Anonymous Voting System. - Nada Terzimehic; Mohamed Khamis; Florian Bemmann; Heinrich Hussmann (CHI Extended Abstracts, 2018)

Hidden pursuits: evaluating gaze-selection via pursuits when the stimuli's trajectory is partially hidden. - Thomas Mattusch; Mahsa Mirzamohammad; Mohamed Khamis; Andreas Bulling; Florian Alt (ETRA, 2018)

The past, present, and future of gaze-enabled handheld mobile devices: survey and lessons learned. - Mohamed Khamis; Florian Alt; Andreas Bulling (MobileHCI, 2018)

GazeDrone: Mobile Eye-Based Interaction in Public Space Without Augmenting the User. - Mohamed Khamis; Anna Kienle; Florian Alt; Andreas Bulling (DroNet@MobiSys, 2018)

eNGAGE: Resisting Shoulder surfing using Novel Gaze Gestures Authentication. - Yasmeen Abdrabou; Mohamed Khamis; Rana Mohamed Eisa; Sherif Ismael; Amr El Mougy (MUM, 2018)

Smooth Pursuit Target Speeds and Trajectories. - Heiko Drewes; Mohamed Khamis; Florian Alt (MUM, 2018)

GazeRecall: Using Gaze Direction to Increase Recall of Details in Cinematic Virtual Reality. - Sylvia Rothe; Felix Althammer; Mohamed Khamis (MUM, 2018)

Design Considerations for Secure and Usable Authentication on Situated Displays. - Ludwig Trotter; Sarah Prange; Mohamed Khamis; Nigel Davies 001; Florian Alt (MUM, 2018)

Public HMDs: Modeling and Understanding User Behavior around Public Head-Mounted Displays. - Christian Mai; Mohamed Khamis (PerDis, 2018)

DialPlate: Enhancing the Detection of Smooth Pursuits Eye Movements Using Linear Regression. - Heiko Drewes; Mohamed Khamis; Florian Alt (CoRR, 2018)

CueAuth: Comparing Touch, Mid-Air Gestures, and Gaze for Cue-based Authentication on Situated Displays. - Mohamed Khamis; Ludwig Trotter; Ville Mäkelä; Emanuel von Zezschwitz; Jens Le; Andreas Bulling; Florian Alt (Proc. ACM Interact. Mob. Wearable Ubiquitous Technol., 2018)

EyeSpot: Leveraging Gaze to Protect Private Text Content on Mobile Devices from Shoulder Surfing. - Mohamed Khamis; Malin Eiband; Martin Zürn; Heinrich Hussmann (Multimodal Technol. Interact., 2018)

Designing gaze-based interaction for pervasive public displays. - Mohamed Khamis (2018)

Orochi: Investigating Requirements and Expectations for Multipurpose Daily Used Supernumerary Robotic Limbs. - Mohammed AlSada; Thomas Höglund; Mohamed Khamis; Jaryd Urbani; Tatsuo Nakajima (AH, 2019)

iHDI: International Workshop on Human-Drone Interaction. - Anke M. Brock; Jessica R. Cauchard; Markus Funk; Jérémie Garcia; Mohamed Khamis; Matjaz Kljun (CHI Extended Abstracts, 2019)

Can Privacy-Aware Lifelogs Alter Our Memories? - Passant Elagroudy; Mohamed Khamis; Florian Mathis; Diana Irmscher; Andreas Bulling; Albrecht Schmidt 001 (CHI Extended Abstracts, 2019)

Passquerade: Improving Error Correction of Text Passwords on Mobile Devices by using Graphic Filters for Password Masking. - Mohamed Khamis; Tobias Seitz; Leonhard Mertl; Alice Nguyen; Mario Schneller; Zhe Li (CHI, 2019)

Human-centered cybersecurity: international workshop at CHITALY 2019. - Carmelo Ardito; Giuseppe Desolda; Francesco Di Nocera; Mohamed Khamis; Andrea Marrella (CHItaly, 2019)

Just gaze and wave: exploring the use of gaze and gestures for shoulder-surfing resilient authentication. - Yasmeen Abdrabou; Mohamed Khamis; Rana Mohamed Eisa; Sherif Ismail; Amr El Mougy (ETRA, 2019)

Calibration-free text entry using smooth pursuit eye movements. - Yasmeen Abdrabou; Mariam Mostafa; Mohamed Khamis; Amr El Mougy (ETRA, 2019)

Investigating the User Experience of Smartphone Authentication Schemes - The Role of the Mobile Context. - Matthias Baldauf; Sebastian Steiner; Mohamed Khamis; Sarah-Kristin Thiel (HICSS, 2019)

What About My Privacy, Habibi? - Understanding Privacy Concerns and Perceptions of Users from Different Socioeconomic Groups in the Arab World. - Mennatallah Saleh; Mohamed Khamis; Christian Sturm 001 (INTERACT (3), 2019)

DialPlates: enabling pursuits-based user interfaces with large target numbers. - Heiko Drewes; Mohamed Khamis; Florian Alt (MUM, 2019)

Securing personal items in public space: stories of attacks and threats. - Sarah Prange; Lukas Mecke; Michael Stadler; Maximilian Balluff; Mohamed Khamis; Florian Alt (MUM, 2019)

Supporting tourism with public interactive displays. - Ville Mäkelä; Vito Gentile; Mohamed Khamis; Salvatore Sorce (PerDis, 2019)

Investigating the Third Dimension for Authentication in Immersive Virtual Reality and in the Real World. - Ceenu George; Mohamed Khamis; Daniel Buschek; Heinrich Hussmann (VR, 2019)

ElectroCutscenes: Realistic Haptic Feedback in Cutscenes of Virtual Reality Games Using Electric Muscle Stimulation. - Mohamed Khamis; Nora Schuster; Ceenu George; Max Pfeiffer (VRST, 2019)

"Please enter your PIN" - On the Risk of Bypass Attacks on Biometric Authentication on Mobile Devices. - Christian Tiefenau; Maximilian Häring; Mohamed Khamis; Emanuel von Zezschwitz (CoRR, 2019)

Introduction. - Shaimaa Y. Lazem; Ebtisam Abdullah Alabdulqader; Mohamed Khamis (Interactions, 2019)

Are Thermal Attacks Ubiquitous?: When Non-Expert Attackers Use Off the shelf Thermal Cameras. - Yasmeen Abdrabou; Yomna Abdelrahman; Ahmed Ayman; Amr El Mougy; Mohamed Khamis (AVI, 2020)

Don't Use Fingerprint, it's Raining!: How People Use and Perceive Context-Aware Selection of Mobile Authentication. - Sarah Prange; Lukas Mecke; Alice Nguyen; Mohamed Khamis; Florian Alt (AVI, 2020)

GazeRoomLock: Using Gaze and Head-Pose to Improve the Usability and Observation Resistance of 3D Passwords in Virtual Reality. - Ceenu George; Daniel Buschek; Andrea Ngao; Mohamed Khamis (AVR (1), 2020)

The Role of Eye Gaze in Security and Privacy Applications: Survey and Future HCI Research Directions. - Christina P. Katsini; Yasmeen Abdrabou; George E. Raptis; Mohamed Khamis; Florian Alt (CHI, 2020)

Virtual Field Studies: Conducting Studies on Public Displays in Virtual Reality. - Ville Mäkelä; Radiah Rivu; Saleh Alsherif; Mohamed Khamis; Chong Xiao; Lisa Borchert; Albrecht Schmidt 001; Florian Alt (CHI, 2020)

Knowledge-driven Biometric Authentication in Virtual Reality. - Florian Mathis; Hassan Ismail Fawaz; Mohamed Khamis (CHI Extended Abstracts, 2020)

RubikAuth: Fast and Secure Authentication in Virtual Reality. - Florian Mathis; John Williamson 001; Kami Vaniea; Mohamed Khamis (CHI Extended Abstracts, 2020)

GazeLockPatterns: Comparing Authentication Using Gaze and Touch for Entering Lock Patterns. - Yasmeen Abdrabou; Ken Pfeuffer; Mohamed Khamis; Florian Alt (ETRA Short Papers, 2020)

Are my Apps Peeking? Comparing Nudging Mechanisms to Raise Awareness of Access to Mobile Front-facing Camera. - Mariam Hassib; Hatem Abdelmoteleb; Mohamed Khamis (MUM, 2020)

GazeWheels: Comparing Dwell-time Feedback and Methods for Gaze Input. - Misahael Fernandez; Florian Mathis; Mohamed Khamis (NordiCHI, 2020)

Bystander interruption of VR users. - Joseph O'Hagan; Julie R. Williamson; Mohamed Khamis (PerDis, 2020)

Using a VR Field Study to Assess the Effects of Visual and Haptic Cues in "In-the-Wild" Locomotion. - Ana Filipa de Oliveira; Mohamed Khamis; Augusto Esteves (XR@ISS, 2020)

International Workshop on Cross-Reality (XR) Interaction. - Adalberto L. Simeone; Mohamed Khamis; Augusto Esteves; Florian Daiber; Matjaz Kljun; Klen Copic Pucihar; Poika Isokoski; Jan Gugenheimer (ISS Companion, 2020)

Assessing Social Text Placement in Mixed Reality TV. - Florian Mathis; Xuesong Zhang 002; Mark McGill; Adalberto L. Simeone; Mohamed Khamis (IMX, 2020)

Augmenting TV Viewing using Acoustically Transparent Auditory Headsets. - Mark McGill; Florian Mathis; Mohamed Khamis; Julie R. Williamson (IMX, 2020)

Predicting mid-air gestural interaction with public displays based on audience behaviour. - Vito Gentile; Mohamed Khamis; Fabrizio Milazzo; Salvatore Sorce; Alessio Malizia; Florian Alt (Int. J. Hum. Comput. Stud., 2020)

Think Harder! Investigating the Effect of Password Strength on Cognitive Load during Password Creation. - Yasmeen Abdrabou; Yomna Abdelrahman; Mohamed Khamis; Florian Alt (CHI Extended Abstracts, 2021)

RepliCueAuth: Validating the Use of a Lab-Based Virtual Reality Setup for Evaluating Authentication Systems. - Florian Mathis; Kami Vaniea; Mohamed Khamis (CHI, 2021)

GazeMeter: Exploring the Usage of Gaze Behaviour to Enhance Password Assessments. - Yasmeen Abdrabou; Ahmed Shams; Mohamed Omar Mantawy; Anam Ahmad Khan; Mohamed Khamis; Florian Alt; Yomna Abdelrahman (ETRA Full Papers, 2021)

Passphrases Beat Thermal Attacks: Evaluating Text Input Characteristics Against Thermal Attacks on Laptops and Smartphones. - Yasmeen Abdrabou; Reem Hatem; Yomna Abdelrahman; Amr El Mougy; Mohamed Khamis (INTERACT (4), 2021)

Safety, Power Imbalances, Ethics and Proxy Sex: Surveying In-The-Wild Interactions Between VR Users and Bystanders. - Joseph O'Hagan; Julie R. Williamson; Mark McGill; Mohamed Khamis (ISMAR, 2021)

The Interplay between Personal Relationships & Shoulder Surfing Mitigation. - Habiba Farzand; Kinshuk Bhardwaj; Karola Marky; Mohamed Khamis (MuC, 2021)

Observing Virtual Avatars: The Impact of Avatars' Fidelity on Identifying Interactions. - Florian Mathis; Kami Vaniea; Mohamed Khamis (MindTrek, 2021)

Surveying Consumer Understanding & Sentiment Of VR. - Joseph O'Hagan; Mohamed Khamis; Julie R. Williamson (MMVE@MMSys, 2021)

Using Personal Data to Support Authentication: User Attitudes and Suitability. - Jolie Bonner; Joseph O'Hagan; Florian Mathis; Jamie Iona Ferguson; Mohamed Khamis (MUM, 2021)

Transitional Interfaces in Mixed and Cross-Reality: A new frontier? - Hans-Christian Jetter; Jan-Henrik Schröder; Jan Gugenheimer; Mark Billinghurst; Christoph Anthes; Mohamed Khamis; Tiare M. Feuchtner (ISS Companion, 2021)

GaitWear: a smartwatch application for in-the-wild gait normalisation based on a virtual field study assessing the effects of visual and haptic cueing. - Ana Filipa de Oliveira; Mohamed Khamis; Augusto Esteves (Behav. Inf. Technol., 2021)

Toward a roadmap for human-drone interaction. - Jessica R. Cauchard; Mohamed Khamis; Jérémie Garcia; Matjaz Kljun; Anke M. Brock (Interactions, 2021)

GazeWheels: Recommendations for using wheel widgets for feedback during dwell-time gaze input. - Misahael Fernandez; Florian Mathis; Mohamed Khamis (it Inf. Technol., 2021)

Fast and Secure Authentication in Virtual Reality Using Coordinated 3D Manipulation and Pointing. - Florian Mathis; John H. Williamson 001; Kami Vaniea; Mohamed Khamis (ACM Trans. Comput. Hum. Interact., 2021)

Drone Authentication via Acoustic Fingerprint. - Yufeng Diao; Yichi Zhang; Guodong Zhao 001; Mohamed Khamis (ACSAC, 2022)

CueVR: Studying the Usability of Cue-based Authentication for Virtual Reality. - Yomna Abdelrahman; Florian Mathis; Pascal Knierim; Axel Kettler; Florian Alt; Mohamed Khamis (AVI, 2022)

Understanding Shoulder Surfer Behavior and Attack Patterns Using Virtual Reality. - Yasmeen Abdrabou; Sheikh Radiah Rivu; Tarek Ammar; Jonathan Liebers; Alia Saad; Carina Liebers; Uwe Gruenefeld; Pascal Knierim; Mohamed Khamis; Ville Mäkelä; Stefan Schneegass; Florian Alt (AVI, 2022)

DeepFakes for Privacy: Investigating the Effectiveness of State-of-the-Art Privacy-Enhancing Face Obfuscation Methods. - Mohamed Khamis; Habiba Farzand; Marija Mumm; Karola Marky (AVI, 2022)

Stay Home! Conducting Remote Usability Evaluations of Novel Real-World Authentication Systems Using Virtual Reality. - Florian Mathis; Joseph O'Hagan; Kami Vaniea; Mohamed Khamis (AVI, 2022)

Exploring Manipulating In-VR Audio To Facilitate Verbal Interactions Between VR Users And Bystanders. - Joseph O'Hagan; Julie R. Williamson; Mohamed Khamis; Mark McGill (AVI, 2022)

The Dark Side of Perceptual Manipulations in Virtual Reality. - Wen-Jie Tseng 003; Elise Bonnail; Mark McGill; Mohamed Khamis; Eric Lecolinet; Samuel Huron; Jan Gugenheimer (CHI, 2022)

"Your Eyes Tell You Have Used This Password Before": Identifying Password Reuse from Gaze and Keystroke Dynamics. - Yasmeen Abdrabou; Johannes Schütte; Ahmed Shams; Ken Pfeuffer; Daniel Buschek; Mohamed Khamis; Florian Alt (CHI, 2022)

Co-existing With a Drone: Using Virtual Reality to Investigate the Effect of the Drone's Height and Cover Story on Proxemic Behaviours. - Robin Bretin; Emily S. Cross; Mohamed Khamis (CHI Extended Abstracts, 2022)

VRception: Rapid Prototyping of Cross-Reality Systemsin Virtual Reality. - Uwe Gruenefeld; Jonas Auda; Florian Mathis; Stefan Schneegass; Mohamed Khamis; Jan Gugenheimer; Sven Mayer (CHI, 2022)

Novel Challenges of Safety, Security and Privacy in Extended Reality. - Jan Gugenheimer; Wen-Jie Tseng 003; Abraham Hani Mhaidli; Jan Ole Rixen; Mark McGill; Michael Nebeling; Mohamed Khamis; Florian Schaub; Sanchari Das (CHI Extended Abstracts, 2022)

The Feet in Human-Centred Security: Investigating Foot-Based User Authentication for Public Displays. - Kieran Watson; Robin Bretin; Mohamed Khamis; Florian Mathis (CHI Extended Abstracts, 2022)

Shoulder Surfing through the Social Lens: A Longitudinal Investigation & Insights from an Exploratory Diary Study. - Habiba Farzand; Karola Marky; Mohamed Khamis (EuroUSEC, 2022)

Advanced Techniques for Preventing Thermal Imaging Attacks. - Norah Mohsen T. Alotaibi; Md Shafiqul Islam; Karola Marky; Mohamed Khamis (IUI Companion, 2022)

PIN Scrambler: Assessing the Impact of Randomized Layouts on the Usability and Security of PINs. - Daniel Kirkwood; Cagdas Tombul; Calum Firth; Finn Macdonald; Konstantinos Priftis; Florian Mathis; Mohamed Khamis; Karola Marky (MUM, 2022)

Implications of XR on Privacy, Security and Behaviour: Insights from Experts. - Melvin Abraham; Pejman Saeghe; Mark McGill; Mohamed Khamis (NordiCHI, 2022)

Are Thermal Attacks a Realistic Threat? Investigating the Preconditions of Thermal Attacks in Users' Daily Lives. - Paul Bekaert; Norah Mohsen T. Alotaibi; Florian Mathis; Nina Gerber; Aidan Christopher Rafferty; Mohamed Khamis; Karola Marky (NordiCHI, 2022)

Exploring Attitudes Towards Increasing User Awareness of Reality From Within Virtual Reality. - Joseph O'Hagan; Mohamed Khamis; Mark McGill; Julie R. Williamson (IMX, 2022)

Investigating State-of-the-Art Practices for Fostering Subjective Trust in Online Voting through Interviews. - Karola Marky; Paul Gerber; Sebastian Günther 001; Mohamed Khamis; Maximilian Fries; Max Mühlhäuser (USENIX Security Symposium, 2022)

Understanding Shoulder Surfer Behavior Using Virtual Reality. - Yasmeen Abdrabou; Radiah Rivu; Tarek Ammar; Jonathan Liebers; Alia Saad; Carina Liebers; Uwe Gruenefeld; Pascal Knierim; Mohamed Khamis; Ville Mäkelä; Stefan Schneegass; Florian Alt (VR Workshops, 2022)

Virtual Reality Observations: Using Virtual Reality to Augment Lab-Based Shoulder Surfing Research. - Florian Mathis; Joseph O'Hagan; Mohamed Khamis; Kami Vaniea (VR, 2022)

Can I Borrow Your ATM? Using Virtual Reality for (Simulated) In Situ Authentication Research. - Florian Mathis; Kami Vaniea; Mohamed Khamis (VR, 2022)

User-centred multimodal authentication: securing handheld mobile devices using gaze and touch input. - Mohamed Khamis; Karola Marky; Andreas Bulling; Florian Alt (Behav. Inf. Technol., 2022)

Prototyping Usable Privacy and Security Systems: Insights from Experts. - Florian Mathis; Kami Vaniea; Mohamed Khamis (Int. J. Hum. Comput. Interact., 2022)

Privacy-Enhancing Technology and Everyday Augmented Reality: Understanding Bystanders' Varying Needs for Awareness and Consent. - Joseph O'Hagan; Pejman Saeghe; Jan Gugenheimer; Daniel Medeiros 001; Karola Marky; Mohamed Khamis; Mark McGill (Proc. ACM Interact. Mob. Wearable Ubiquitous Technol., 2022)

PrivacyScout: Assessing Vulnerability to Shoulder Surfing on Mobile Devices. - Mihai Bâce; Alia Saad; Mohamed Khamis; Stefan Schneegass; Andreas Bulling (Proc. Priv. Enhancing Technol., 2022)

"You offer privacy like you offer tea": Investigating Mechanisms for Improving Guest Privacy in IoT-Equipped Households. - Karola Marky; Nina Gerber; Michelle Gabriela Pelzer; Mohamed Khamis; Max Mühlhäuser (Proc. Priv. Enhancing Technol., 2022)

Special issue on pervasive displays. - Jessica R. Cauchard; Nigel Davies 001; Vito Gentile; Salvatore Sorce; Mohamed Khamis (Pers. Ubiquitous Comput., 2022)

Big Buddy: Exploring Child Reactions and Parental Perceptions towards a Simulated Embodied Moderating System for Social Virtual Reality. - Cristina Fiani; Robin Bretin; Mark McGill; Mohamed Khamis (IDC, 2023)

Conducting and Mitigating Portable Thermal Imaging Attacks on User Authentication using AI-driven Methods. - Shaun Alexander Macdonald; Norah Mohsen T. Alotaibi; Md Shafiqul Islam; Mohamed Khamis (AHs, 2023)

Impact of Privacy Protection Methods of Lifelogs on Remembered Memories. - Passant Elagroudy; Mohamed Khamis; Florian Mathis; Diana Irmscher; Ekta Sood; Andreas Bulling; Albrecht Schmidt 001 (CHI, 2023)

Big Buddy: A Simulated Embodied Moderating System to Mitigate Children's Reaction to Provocative Situations within Social Virtual Reality. - Cristina Fiani; Robin Bretin; Mark McGill; Mohamed Khamis (CHI Extended Abstracts, 2023)

Comparing Dwell time, Pursuits and Gaze Gestures for Gaze Interaction on Handheld Mobile Devices. - Omar Namnakani; Yasmeen Abdrabou; Jonathan Grizou; Augusto Esteves; Mohamed Khamis (CHI, 2023)

Re-Evaluating VR User Awareness Needs During Bystander Interactions. - Joseph O'Hagan; Julie R. Williamson; Florian Mathis; Mohamed Khamis; Mark McGill (CHI, 2023)

GazeCast: Using Mobile Devices to Allow Gaze-based Interaction on Public Displays. - Omar Namnakani; Penpicha Sinrattanavong; Yasmeen Abdrabou; Andreas Bulling; Florian Alt; Mohamed Khamis (ETRA, 2023)

"Do I Run Away?": Proximity, Stress and Discomfort in Human-Drone Interaction in Real and Virtual Environments. - Robin Bretin; Mohamed Khamis; Emily S. Cross (INTERACT (2), 2023)

User-Centered Evaluation of Different Configurations of a Touchless Gestural Interface for Interactive Displays. - Vito Gentile; Habiba Farzand; Simona Bonaccorso; Davide Rocchesso; Alessio Malizia; Mohamed Khamis; Salvatore Sorce (INTERACT (1), 2023)

Tangible 2FA - An In-the-Wild Investigation of User-Defined Tangibles for Two-Factor Authentication. - Mark Turner 014; Martin Schmitz 001; Morgan Masichi Bierey; Mohamed Khamis; Karola Marky (SOUPS, 2023)

In the Quest to Protect Users from Side-Channel Attacks - A User-Centred Design Space to Mitigate Thermal Attacks on Public Payment Terminals. - Karola Marky; Shaun Alexander Macdonald; Yasmeen Abdrabou; Mohamed Khamis (USENIX Security Symposium, 2023)

Understanding Dynamic Human-Robot Proxemics in the Case of Four-Legged Canine-Inspired Robots. - Xiangmin Xu; Li Liying; Mohamed Khamis; Guodong Zhao 001; Robin Bretin (CoRR, 2023)

State-of-the-Art in Smart Contact Lenses for Human-Machine Interaction. - Yuanjie Xia 001; Mohamed Khamis; F. Anibal Fernandez; Hadi Heidari; Haider Butt; Zubair Ahmed; Tim Wilkinson; Rami Ghannam (IEEE Trans. Hum. Mach. Syst., 2023)

Investigating Privacy Perceptions and Subjective Acceptance of Eye Tracking on Handheld Mobile Devices. - Noora Alsakar; Yasmeen Abdrabou; Simone Stumpf; Mohamed Khamis (Proc. ACM Hum. Comput. Interact., 2023)

DynamicRead: Exploring Robust Gaze Interaction Methods for Reading on Handheld Mobile Devices under Dynamic Conditions. - Yaxiong Lei; Yuheng Wang; Tyler Caslin; Alexander Wisowaty; Xu Zhu 005; Mohamed Khamis; Juan Ye (Proc. ACM Hum. Comput. Interact., 2023)

ThermoSecure: Investigating the Effectiveness of AI-Driven Thermal Attacks on Commonly Used Computer Keyboards. - Norah Mohsen T. Alotaibi; John Williamson 001; Mohamed Khamis (ACM Trans. Priv. Secur., 2023)

Exploring crowdsourced self-care techniques: A study on Parkinson's disease. - Elina Kuosmanen; Eetu Huusko; Niels van Berkel; Francisco Nunes; Julio Vega; Jorge Gonçalves 001; Mohamed Khamis; Augusto Esteves; Denzil Ferreira; Simo Hosio (Int. J. Hum. Comput. Stud., 2023)

Where Do You Look When Unlocking Your Phone? : A Field Study of Gaze Behaviour During Smartphone Unlock. - Yasmeen Abdrabou; Tatiana Omelina; Felix Dietz; Mohamed Khamis; Florian Alt; Mariam Hassib (CHI Extended Abstracts, 2024)

What You Experience is What We Collect: User Experience Based Fine-Grained Permissions for Everyday Augmented Reality. - Melvin Abraham; Mark McGill; Mohamed Khamis (CHI, 2024)

Out-of-Device Privacy Unveiled: Designing and Validating the Out-of-Device Privacy Scale (ODPS). - Habiba Farzand; Karola Marky; Mohamed Khamis (CHI, 2024)

Beyond Aesthetics: Evaluating Response Widgets for Reliability & Construct Validity of Scale Questionnaires. - Habiba Farzand; David Al Baiaty Suarez; Thomas Goodge; Shaun Alexander Macdonald; Karola Marky; Mohamed Khamis; Paul A. Cairns (CHI Extended Abstracts, 2024)

"Pikachu would electrocute people who are misbehaving": Expert, Guardian and Child Perspectives on Automated Embodied Moderators for Safeguarding Children in Social Virtual Reality. - Cristina Fiani; Robin Bretin; Shaun Alexander Macdonald; Mohamed Khamis; Mark McGill (CHI, 2024)

Shaping The Future: Developing Principles for Policy Recommendations for Responsible Innovation in Virtual Worlds. - Mike L. Richardson; Alicia G. Cork; Danaë Stanton Fraser; Michael J. Proulx; Xueni Pan; Veronika Krauß; Mohamed Khamis; Heide K. Lukosch (CHI Extended Abstracts, 2024)

Don't Record My Private pARts: Understanding The Role of Sensitive Contexts and Privacy Perceptions in Influencing Attitudes Towards Everyday Augmented Reality Sensor Usage. - Melvin Abraham; Mohamed Khamis; Mark McGill (ISMAR, 2024)

From Redirected Navigation to Forced Attention: Uncovering Manipulative and Deceptive Designs in Augmented Reality through Retail Shopping. - Martina Ruocco; Pejman Saeghe; Frederic Kerber; Jan Gugenheimer; Mark McGill; Mohamed Khamis (ISMAR, 2024)

Perspectives on DeepFakes for Privacy: Comparing Perceptions of Photo Owners and Obfuscated Individuals towards DeepFake Versus Traditional Privacy-Enhancing Obfuscation. - Mohamed Khamis; Rebecca Panskus; Habiba Farzand; Marija Mumm; Shaun Alexander Macdonald; Karola Marky (MUM, 2024)

Investigating Voter Perceptions of Printed Physical Audit Trails for Online Voting. - Karola Marky; Nina Gerber; Henry John Krumb; Mohamed Khamis; Max Mühlhäuser (SP, 2024)

IFTT-PIN: A Self-Calibrating PIN-Entry Method. - Kathryn McConkey; Talha Enes Ayranci; Mohamed Khamis; Jonathan Grizou (CoRR, 2024)

"What you think is private is no longer" - Investigating the Aftermath of Shoulder Surfing on Smartphones in Everyday Life through the Eyes of the Victims. - Habiba Farzand; Shaun Alexander Macdonald; Karola Marky; Mohamed Khamis (CoRR, 2024)

SoK: Privacy Personalised - Mapping Personal Attributes & Preferences of Privacy Mechanisms for Shoulder Surfing. - Habiba Farzand; Karola Marky; Mohamed Khamis (CoRR, 2024)

Exploring the Perspectives of Social VR-Aware Non-Parent Adults and Parents on Children's Use of Social Virtual Reality. - Cristina Fiani; Pejman Saeghe; Mark McGill; Mohamed Khamis (Proc. ACM Hum. Comput. Interact., 2024)

An End-to-End Review of Gaze Estimation and its Interactive Applications on Handheld Mobile Devices. - Yaxiong Lei; Shijing He; Mohamed Khamis; Juan Ye (ACM Comput. Surv., 2024)

Co-existing with Drones: A Virtual Exploration of Proxemic Behaviours and Users' Insights on Social Drones. - Robin Bretin; Emily S. Cross; Mohamed Khamis (Int. J. Soc. Robotics, 2024)

What Makes XR Dark? Examining Emerging Dark Patterns in Augmented and Virtual Reality through Expert Co-Design. - Veronika Krauß; Pejman Saeghe; Alexander Boden; Mohamed Khamis; Mark McGill; Jan Gugenheimer; Michael Nebeling (ACM Trans. Comput. Hum. Interact., 2024)

"Abracadabra, Block the Bullies!": Child Perceptions of Manual, Semi-Automated and Automated Interventions against Group Harassment in Social VR. - Cristina Fiani; Robin Bretin; Mark McGill; Mohamed Khamis (IDC, 2025)

Stretch Gaze Targets Out: Experimenting with Target Sizes for Gaze-Enabled Interfaces on Mobile Devices. - Omar Namnakani; Yasmeen Abdrabou; Jonathan Grizou; Mohamed Khamis (CHI, 2025)

A Systematic Deconstruction of Human-Centric Privacy & Security Threats on Mobile Phones. - Habiba Farzand; Melvin Abraham; Stephen A. Brewster; Mohamed Khamis; Karola Marky (Int. J. Hum. Comput. Interact., 2025)

Quantifying the Impact of Motion on 2D Gaze Estimation in Real-World Mobile Interactions. - Yaxiong Lei; Yuheng Wang; Fergus Buchanan; Mingyue Zhao; Yusuke Sugano; Shijing He; Mohamed Khamis; Juan Ye (CoRR, 2025)

Do We Need Responsible XR? Drawing on Responsible AI to Inform Ethical Research and Practice into XRAI / the Metaverse. - Mark McGill; Joseph O'Hagan; Thomas Goodge; Graham A. Wilson; Mohamed Khamis; Veronika Krauß; Jan Gugenheimer (CoRR, 2025)

MAC-Gaze: Motion-Aware Continual Calibration for Mobile Gaze Tracking. - Yaxiong Lei; Mingyue Zhao; Yuheng Wang; Shijing He; Yusuke Sugano; Yafei Wang; Kaixing Zhao; Mohamed Khamis; Juan Ye (CoRR, 2025)

Beyond Mute and Block: Adoption and Effectiveness of Safety Tools in Social VR, from Ubiquitous Harassment to Social Sculpting. - Maheshya Weerasinghe; Shaun Alexander Macdonald; Cristina Fiani; Joseph O'Hagan; Mathieu Chollet; Mark McGill; Mohamed Khamis (IEEE Trans. Vis. Comput. Graph., 2025)

The Role of Drone's Digital Facial Emotions and Gaze in Shaping Individuals' Social Proxemics and Interpretation. - Robin Bretin; Mohamed Khamis; Emily S. Cross; Mohammad Obaid (ACM Trans. Hum. Robot Interact., 2025)

Assessing and Mitigating the Privacy Implications of Eye Tracking on Handheld Mobile Devices. - Noora Alsakar; Norah Mohsen T. Alotaibi; Mohamed Khamis; Simone Stumpf (ACM Trans. Priv. Secur., 2025)