Alexander De Luca

76 papers A* 19A 9B 6Misc 9Journal 5Unranked 27

Year	Rank	Type	Title / Venue / Authors
2024	—	`conf`	"I do (not) need that Feature!" - Understanding Users' Awareness and Control of Privacy Permissions on Android Smartphones. SOUPS @ USENIX Security Symposium Sarah Prange, Pascal Knierim, Gabriel Knoll, Felix Dietz, Alexander De Luca, Florian Alt
2019	J	`jnl`	CHI 2019. IEEE Pervasive Comput. Frederik Brudy, Alexander De Luca, Jennifer Marlow, Manya Sleeper, Susanne Kirchner-Adelhardt, Sean Munson, Michael Nebeling, Sarah Clinch
2019	A*	`conf`	Towards Understanding the Link Between Age and Smartphone Authentication. CHI Lina Qiu, Alexander De Luca, Ildar Muslukhov, Konstantin Beznosov
2018	—	`conf`	"If I press delete, it's gone" - User Understanding of Online Data Deletion and Expiration. SOUPS @ USENIX Security Symposium Ambar Murillo, Andreas Kramm, Sebastian Schnorf, Alexander De Luca
2016	A*	`conf`	Evaluating the Influence of Targets and Hand Postures on Touch-based Behavioural Biometrics. CHI Daniel Buschek, Alexander De Luca, Florian Alt
2016	A	`conf`	Expert and Non-Expert Attitudes towards (Secure) Instant Messaging. SOUPS Alexander De Luca, Sauvik Das, Martin Ortlieb, Iulia Ion, Ben Laurie
2016	A*	`conf`	Keep on Lockin' in the Free World: A Multi-National Comparison of Smartphone Locking. CHI Marian Harbach, Alexander De Luca, Nathan Malkin, Serge Egelman
2016	B	`conf`	On quantifying the effective password space of grid-based unlock gestures. MUM Emanuel von Zezschwitz, Malin Eiband, Daniel Buschek, Sascha Oberhuber, Alexander De Luca, Florian Alt, Heinrich Hussmann
2016	—	`conf`	Privacy Wedges: Area-Based Audience Selection for Social Network Posts. WPI@SOUPS Frederic Raber, Alexander De Luca, Moritz Graus
2016	A*	`conf`	SnapApp: Reducing Authentication Overhead with a Time-Constrained Fast Unlock Option. CHI Daniel Buschek, Fabian Hartmann, Emanuel von Zezschwitz, Alexander De Luca, Florian Alt
2016	J	`jnl`	The Anatomy Of Smartphone Unlocking: Why and How Android Users Around the World Lock their Phones. GetMobile Mob. Comput. Commun. Nathan Malkin, Marian Harbach, Alexander De Luca, Serge Egelman
2016	A*	`conf`	The Anatomy of Smartphone Unlocking: A Field Study of Android Lock Screens. CHI Marian Harbach, Alexander De Luca, Serge Egelman
2016	J	`jnl`	Usable privacy and security. it Inf. Technol. Alexander De Luca, Emanuel von Zezschwitz
2016	A*	`conf`	You Can't Watch This!: Privacy-Respectful Photo Browsing on Smartphones. CHI Emanuel von Zezschwitz, Sigrid Ebbinghaus, Heinrich Hussmann, Alexander De Luca
2015	—	`conf`	Automatic Privacy Classification of Personal Photos. INTERACT (2) Daniel Buschek, Moritz Bader, Emanuel von Zezschwitz, Alexander De Luca
2015	B	`conf`	ColorSnakes: Using Colored Decoys to Secure Authentication in Sensitive Contexts. MobileHCI Jan Gugenheimer, Alexander De Luca, Hayato Hess, Stefan Karg, Dennis Wolf, Enrico Rukzio
2015	A*	`conf`	Easy to Draw, but Hard to Trace?: On the Observability of Grid-based (Un)lock Patterns. CHI Emanuel von Zezschwitz, Alexander De Luca, Philipp Janssen, Heinrich Hussmann
2015	A*	`conf`	Glass Unlock: Enhancing Security of Smartphone Unlocking through Leveraging a Private Near-eye Display. CHI Christian Winkler, Jan Gugenheimer, Alexander De Luca, Gabriel Haas, Philipp Speidel, David Dobbelstein, Enrico Rukzio
2015	A*	`conf`	I Feel Like I'm Taking Selfies All Day!: Towards Understanding Biometric Authentication on Smartphones. CHI Alexander De Luca, Alina Hang, Emanuel von Zezschwitz, Heinrich Hussmann
2015	A*	`conf`	I Know What You Did Last Week! Do You?: Dynamic Security Questions for Fallback Authentication on Smartphones. CHI Alina Hang, Alexander De Luca, Heinrich Hussmann
2015	A*	`conf`	Improving Accuracy, Applicability and Usability of Keystroke Biometrics on Mobile Touchscreen Devices. CHI Daniel Buschek, Alexander De Luca, Florian Alt
2015	J	`jnl`	Is Secure and Usable Smartphone Authentication Asking Too Much? Computer Alexander De Luca, Janne Lindqvist
2015	B	`conf`	Locked Your Phone? Buy a New One? From Tales of Fallback Authentication on Smartphones to Actual Concepts. MobileHCI Alina Hang, Alexander De Luca, Emanuel von Zezschwitz, Manuel Demmler, Heinrich Hussmann
2015	A*	`conf`	SwiPIN: Fast and Secure PIN-Entry on Smartphones. CHI Emanuel von Zezschwitz, Alexander De Luca, Bruno Brunkow, Heinrich Hussmann
2015	B	`conf`	There is more to Typing than Speed: Expressive Mobile Touch Keyboards via Dynamic Font Personalisation. MobileHCI Daniel Buschek, Alexander De Luca, Florian Alt
2015	A	`conf`	Where Have You Been? Using Location-Based Security Questions for Fallback Authentication. SOUPS Alina Hang, Alexander De Luca, Matthew Smith, Michael Richter, Heinrich Hussmann
2014	B	`ed.`	Eighth International Conference on Tangible, Embedded, and Embodied Interaction, TEI'14, Munich, Germany, February 16-19, 2014 TEI Andreas Butz, Saul Greenberg, Saskia Bakker, Lian Loke, Alexander De Luca
2014	Misc	`conf`	Honey, I shrunk the keys: influences of mobile devices on password composition and authentication performance. NordiCHI Emanuel von Zezschwitz, Alexander De Luca, Heinrich Hussmann
2014	A	`conf`	It's a Hard Lock Life: A Field Study of Smartphone (Un)Locking Behavior and Risk Perception. SOUPS Marian Harbach, Emanuel von Zezschwitz, Andreas Fichtner, Alexander De Luca, Matthew Smith
2014	A*	`conf`	Now you see me, now you don't: protecting smartphone authentication from shoulder surfers. CHI Alexander De Luca, Marian Harbach, Emanuel von Zezschwitz, Max-Emanuel Maurer, Bernhard Ewald Slawik, Heinrich Hussmann, Matthew Smith
2014	—	`conf`	Using icon arrangement for fallback authentication on smartphones. CHI Extended Abstracts Alina Hang, Alexander De Luca, Heinrich Hussmann
2014	—	`conf`	Workshop on inconspicuous interaction. CHI Extended Abstracts Diogo Marques, Luís Carriço, Tiago João Guerreiro, Alexander De Luca, Pattie Maes, Ildar Muslukhov, Ian Oakley, Emanuel von Zezschwitz
2013	A*	`conf`	Back-of-device authentication on smartphones. CHI Alexander De Luca, Emanuel von Zezschwitz, Ngo Dieu Huong Nguyen, Max-Emanuel Maurer, Elisa Rubegni, Marcello Paolo Scipioni, Marc Langheinrich
2013	—	`conf`	Designing interactive secure system: chi 2013 special interest group. CHI Extended Abstracts Shamal Faily, Lizzie Coles-Kemp, Paul Dunphy, Mike Just, Yoko Akama, Alexander De Luca
2013	—	`conf`	Investigating Pointing Tasks across Angularly Coupled Display Areas. INTERACT (1) Fabian Hennecke, Alexander De Luca, Ngo Dieu Huong Nguyen, Sebastian Boring, Andreas Butz
2013	—	`conf`	Long-Term Experiences with an Iterative Design of a QR-Code-Based Payment System for Beverages. INTERACT (4) Max-Emanuel Maurer, Alexander De Luca, Alina Hang, Doris Hausen, Fabian Hennecke, Sebastian Loehmann, Henri Palleis, Hendrik Richter, Simon Stusak, Aurélien Tabard, Sarah Tausch, Emanuel von Zezschwitz, Franziska Schwamb, Heinrich Hussmann, Andreas Butz
2013	A	`conf`	Making graphic-based authentication secure against smudge attacks. IUI Emanuel von Zezschwitz, Anton Koslow, Alexander De Luca, Heinrich Hussmann
2013	—	`conf`	Oh app, where art thou?: on app launching habits of smartphone users. Mobile HCI Alina Hang, Alexander De Luca, Jonas Hartmann, Heinrich Hussmann
2013	—	`conf`	Patterns in the wild: a field study of the usability of pattern and pin-based authentication on mobile devices. Mobile HCI Emanuel von Zezschwitz, Paul Dunphy, Alexander De Luca
2013	—	`conf`	Survival of the Shortest: A Retrospective Analysis of Influencing Factors on Password Composition. INTERACT (3) Emanuel von Zezschwitz, Alexander De Luca, Heinrich Hussmann
2013	—	`conf`	Travel Routes or Geography Facts? An Evaluation of Voice Authentication User Interfaces. INTERACT (3) Alina Hang, Alexander De Luca, Katharina Frison, Emanuel von Zezschwitz, Massimo Tedesco, Marcel Kockmann, Heinrich Hussmann
2013	A*	`conf`	Using fake cursors to secure on-screen password entry. CHI Alexander De Luca, Emanuel von Zezschwitz, Laurent Pichler, Heinrich Hussmann
2012	B	`conf`	Don't queue up!: user attitudes towards mobile interactions with public terminals. MUM Julian Seifert, Alexander De Luca, Enrico Rukzio
2012	Misc	`conf`	Too much information!: user attitudes towards smartphone sharing. NordiCHI Alina Hang, Emanuel von Zezschwitz, Alexander De Luca, Heinrich Hussmann
2012	A*	`conf`	Touch me once and i know it's you!: implicit authentication based on touch screen patterns. CHI Alexander De Luca, Alina Hang, Frederik Brudy, Christian Lindner, Heinrich Hussmann
2011	—	`conf`	Data type based security alert dialogs. CHI Extended Abstracts Max-Emanuel Maurer, Alexander De Luca, Heinrich Hussmann
2011	—	`—`	Designing Usable and Secure Authentication Mechanisms for Public Spaces. Alexander De Luca
2011	A*	`conf`	Does MoodyBoard make internet use more secure?: evaluating an ambient security visualization tool. CHI Alexander De Luca, Bernhard Frauendienst, Max-Emanuel Maurer, Julian Seifert, Doris Hausen, Niels Kammerer, Heinrich Hussmann
2011	—	`conf`	Shining Chrome: Using Web Browser Personas to Enhance SSL Certificate Visualization. INTERACT (4) Max-Emanuel Maurer, Alexander De Luca, Tobias Stockinger
2011	A	`conf`	Using data type based security alert dialogs to raise online security awareness. SOUPS Max-Emanuel Maurer, Alexander De Luca, Sylvia Kempe
2010	A*	`conf`	ColorPIN: securing PIN entry through indirect input. CHI Alexander De Luca, Katja Hertzschuch, Heinrich Hussmann
2010	Misc	`conf`	Mobile or desktop websites?: website usage on multitouch devices. NordiCHI Max-Emanuel Maurer, Doris Hausen, Alexander De Luca, Heinrich Hussmann
2010	A	`conf`	On the design of a "moody" keyboard. Conference on Designing Interactive Systems Alexander De Luca, Bernhard Frauendienst, Max-Emanuel Maurer, Doris Hausen
2010	A	`conf`	Towards understanding ATM security: a field study of real world ATM use. SOUPS Alexander De Luca, Marc Langheinrich, Heinrich Hussmann
2010	—	`conf`	TreasurePhone: Context-Sensitive User Data Protection on Mobile Phones. Pervasive Julian Seifert, Alexander De Luca, Bettina Conradi, Heinrich Hussmann
2009	—	`conf`	A context-sensitive security model for privacy protection on mobile phones. Mobile HCI Julian Seifert, Alexander De Luca, Bettina Conradi
2009	A	`conf`	Look into my eyes!: can you guess my password? SOUPS Alexander De Luca, Martin Denzel, Heinrich Hussmann
2009	Misc	`conf`	My phone is my keypad: privacy-enhanced PIN-entry on public terminals. OZCHI Alexander De Luca, Bernhard Frauendienst, Sebastian Boring, Heinrich Hussmann
2009	—	`conf`	Please touch the exhibits!: using NFC-based interaction for exploring a museum. Mobile HCI Anna Magdalena Blöckner, Svetlana Danti, Jennifer Forrai, Gregor Broll, Alexander De Luca
2009	—	`conf`	SeCuUI: autocomplete your terminal input. Mobile HCI Max-Emanuel Maurer, Alexander De Luca
2009	A*	`conf`	Vibrapass: secure authentication based on shared lies. CHI Alexander De Luca, Emanuel von Zezschwitz, Heinrich Hußmann
2009	—	`conf`	pieTouch: a direct touch gesture interface for interacting with in-vehicle information systems. Mobile HCI Ronald Ecker, Verena Broy, Andreas Butz, Alexander De Luca
2008	Misc	`conf`	A privacy-respectful input method for public terminals. NordiCHI Alexander De Luca, Bernhard Frauendienst
2008	J	`jnl`	Automatic form filling on mobile devices. Pervasive Mob. Comput. Enrico Rukzio, Chie Noda, Alexander De Luca, John Hamard, Fatih Coskun
2008	A	`conf`	CityFlocks: designing social navigation for urban mobile information systems. Conference on Designing Interactive Systems Mark Bilandzic, Marcus Foth, Alexander De Luca
2008	—	`conf`	Eyepass - eye-stroke authentication for public terminals. CHI Extended Abstracts Alexander De Luca, Roman Weiss, Heinrich Hußmann, Xueli An
2008	Misc	`conf`	Laermometer: a mobile noise mapping application. NordiCHI Mark Bilandzic, Michael Banholzer, Deyan Peev, Vesko Georgiev, Florence T. Balagtas-Fernandez, Alexander De Luca
2008	—	`conf`	Menu Structuring for Mobile Devices. GI Jahrestagung (1) Katrin Sauerwein, Nathalie Prevost, Alexander De Luca
2008	Misc	`conf`	PassShapes: utilizing stroke based authentication to increase password memorability. NordiCHI Roman Weiss, Alexander De Luca
2008	—	`conf`	Spybuster - a community-based privacy tagging platform. Mobile HCI Johannes Kiemer, Till Ballendat, Tim Langer, Wenqi Zhang, Alexander De Luca
2007	Misc	`conf`	Evaluation of eye-gaze interaction methods for security enhanced PIN-entry. OZCHI Alexander De Luca, Roman Weiss, Heiko Drewes
2007	—	`conf`	Eye-gaze interaction for mobile phones. Mobility Conference Heiko Drewes, Alexander De Luca, Albrecht Schmidt
2007	Misc	`conf`	PassShape: stroke based shape passwords. OZCHI Alexander De Luca, Roman Weiss, Heinrich Hussmann
2007	—	`conf`	The privacy badge: a privacy-awareness user interface for small devices. Mobility Conference Martin Gisch, Alexander De Luca, Markus Blanchebarbe
2006	—	`conf`	Visualization of uncertainty in context aware mobile applications. Mobile HCI Enrico Rukzio, John Hamard, Chie Noda, Alexander De Luca
2005	—	`conf`	Analysis of Built-in Mobile Phone Sensors for Supporting Interactions with the Real World. PERMID Karin Leichtenstern, Alexander De Luca, Enrico Rukzio