Publications

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. Stochastic Subgraph Neighborhood Pooling for Subgraph Classification. In CIKM, 2023.

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. PiXi: Password Inspiration by Exploring Information. In ICICS, 2023.

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. Dissecting Nudges in Password Managers: Simple Defaults are Powerful. In SOUPS, 2023.

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. Sampling Enclosing Subgraphs for Link Prediction. In CIKM, 2022.

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. Do Password Managers Nudge Secure (Random) Passwords?. In SOUPS, 2022.

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. Improving Peer Assessment with Graph Neural Networks. In EDM, 2022.

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. DeepGroup: Group Recommendation with Implicit Feedback. In CIKM, 2021.

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. A Study on Priming Methods for Graphical Passwords.. In JISA, 2021.

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. Variational Autoencoders for Top-K Recommendation with Implicit Feedback. In SIGIR, 2021.

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. Password Guessers Under a Microscope: An In-Depth Analysis to Inform Deployments. In IJIS, 2021.

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. Group Recommendation with Noisy Subjective Preferences. In CI, 2020.

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. Empathetic Decision Making in Social Networks. In AIJ, 2019.

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. On Conceptually Simple Algorithms for Variants of Online Bipartite Matching. In TCS, 2019.

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. Towards Models for Quantifying the Known Adversary. In NSPW, 2019.

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. Geographical Security Questions for Fallback Authentication. In PST, 2019.

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. Geographic Hints for Passphrase Authentication. In PST, 2019.

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. Boundedly Rational Voters in Large(r) Networks. In AAMAS, 2018.

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. A Simple PTAS for the Dual Bin Packing Problem and Advice Complexity of Its Online Version. In SOSA, 2017.

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. On Conceptually Simple Algorithms for Variants of Online Bipartite Matching. In WAOA, 2017.

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. An Exploration of Geographic Authentication Schemes. In IEEE TIFS, 2016.

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. Preference-oriented Social Networks: Group Recommendation and Inference. In ACM RecSys, 2015.

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. The Presentation Effect on Graphical Passwords. In ACM CHI, 2014.

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. Empathetic Social Choice on Social Networks. In AAMAS, 2014.

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. Ranking Networks. In FNAMMA, 2013.

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. Usability and Security Evaluation of GeoPass: a Geographic Location-Password Scheme. In SOUPS, 2013.

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. Video-Passwords: Advertising While Authenticating. In NSPW, 2012.

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. Empathetic Social Choice on Social Networks. In COMSOC, 2012.

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. DART: A Distributed Analysis of Reputation and Trust Framework. In Computational Intelligence, 2012.

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. The Relationship of Trust, Demand and Utility: Be More Trustworthy, Then I Will Buy More. In IEEE PST (Winner, Best Student Paper Award), 2010.

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. Trust Models and Con-man Agents: From Mathematical to Empirical Analysis. In AAAI, 2010.

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. How Ants Put Advertisements on the Web. In IEA-AIE, 2010.

. Tony White, Wayne Chu, and Amirali Salehi-Abari. In SocialComp, 2010.

. Purely Automated Attacks on PassPoints-Style Graphical Passwords. In IEEE TIFS, 2010.

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. The Uphill Battle of Ant Programming vs. Genetic Programming. In ICEC, 2009.

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. On the Impact of Witness-Based Collusion in Agent Societies. In PRIMA, 2009.

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. Towards Con-resistant Trust Models for Distributed Agent Systems. In IJCAI, 2009.

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. On the Importance of Relational Concept Knowledge in Referral Networks. In Artificial Intelligence Review, 2009.

. Using Relational Concept Knowledge to Improve Search in Referral Networks. In AAMAS, 2009.

. The Impact of Naive Agents in Heterogeneous Trust-aware Societies. In MABS, 2009.

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. On Purely Automated Attacks and Click-Based Graphical Passwordse. In ACSAC, 2008.

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. Enhanced Generalized Ant Programming (EGAP). In GECCO, 2008.

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. A Swarm-based Crossover Operator for Genetic Programming. In GECCO, 2008.