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PRIVACY & DATA ETHICS

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  • Q. Ma, A. Squicciarini, S. Rajtmajer. Aggregation-Aware Synthetic Text Generation Against Authorship Re-Identification. Empirical Methods in Natural Language Processing (EMNLP), November 2026.

  • Q. Ma and S. Rajtmajer. Private Seeds, Public LLMs: Realistic and Privacy-Preserving Synthetic Data Generation. Findings of the 64th Annual Meeting of the Association for Computational Linguistics (ACL), July 2026.

  • J. Li, Y. Zhou, P. Venkit, H. B. Islam, S. Arya, S. Wilson, S. Rajtmajer. Can Third-parties Read Our Emotions? Association for Computational Linguistics (ACL), July 2025. 

  • T. Du, J. Kim, A. Squicciarini, S. Rajtmajer. Toward context-aware privacy enhancing technologies for online self-disclosure.  The 12th AAAI Conference on Human Computation and Crowdsourcing (HCOMP), October 2024. 

  • J. Lee, S. Rajtmajer, E. Srivatsavaya, S. Wilson. Online Self-Disclosure, Social Support, and User Engagement During the COVID-19 Pandemic. ACM Transactions on Social Computing, September 2023.

  • F. Jia, C. Qiu, S. Rajtmajer, A. Squicciarini. Content Sharing Design for Social Welfare in Networked Disclosure Game. The 39th Conference on Uncertainty in Artificial Intelligence (UAI), August 2023.

  • T. Du, P. Umar, S. Rajtmajer, A. The contribution of verified accounts to self-disclosure in COVID-related Twitter conversations. International Conference on Web and Social Media (ICWSM), June 2022. 

  • A. Squicciarini, S. Rajtmajer, J. Semenson, P. Agarwal, Y. Gao, A. Belmonte. An extended ultimatum game for multi party access control in social networks. ACM Transactions on the Web, April 2022.

  • P. Umar, C. Akiti, A. Squicciarini, S. Rajtmajer. Self-disclosure on Twitter during the COVID-19 pandemic: A network perspective.  European Conference on Machine Learning and Principles and Practice of Knowledge Discovery in Databases (ECML/PKDD), September 2021.

  • J. Lee, S. Rajtmajer, E. Srivatsavaya, S. Wilson. Digital inequality through the lens of self-disclosure. Proceedings on Privacy Enhancing Technologies (PoPETS), July 2021.

  • T. Blose, P. Umar, A. Squicciarini, S. Rajtmajer. A study of self-disclosure during the Coronavirus pandemic. First Monday 26(7), July 2021.

  • P. Umar, A. Squicciarini, S. Rajtmajer. A Study of Self-Privacy Violations in Online Public Discourse. IEEE Big Data, December 2020.

  • C. Akiti, S. Rajtmajer, A. Squicciarini. A Semantics-based Approach to Disclosure Classification in User-Generated Online Content. Findings of The Conference on Empirical Methods in Natural Language Processing (EMNLP), November 2020.

  • C. Akiti, S. Rajtmajer, A. Squicciarini. Contextual Representation of Self-Disclosure and Supportivenss in Short Text. Shared Task Paper. The AAAI-20 Workshop on Affective Content Analysis (AFFCON), January 2020. 

  • H. Zhong, H. Li, A. Squicciarini, S. Rajtmajer, D. Miller. Toward Image Privacy Classification and Spatial Attribution of Private Content. IEEE International Conference on Big Data, December 2019. 

  • C. Griffin, S. Rajtmajer, P. Umar, A. Squicciarini. Power Law Public Goods Game for Personal Information Sharing in News Commentaries. Conference on Decision and Game Theory for Security (GAMESEC), October 2019. 

  • P. Umar, A. Squicciarini, S. Rajtmajer. Detection and Analysis of Self-Disclosure in Online News Commentaries. The Web Conference (WWW), May 2019.

  • A. Squicciarini, S. Rajtmajer, N. Zannone. Multi-Party Access Control: Requirements, State of the Art and Open Challenges. Symposium on Access Control Models and Technologies (SACMAT) 2018: 49.

  • S. Rajtmajer, A. Squicciarini, J. Such, J. Semonsen, and A. Belmonte. An Ultimatum Game Model for the Evolution of Privacy in Jointly Managed Content. Conference on Decision and Game Theory for Security (GAMESEC), October 2017.

  • C. Griffin, S. Rajtmajer, and A. Squicciarini.  A Model of Paradoxical Privacy Behavior (Invited paper). International Conference on Collaboration and Internet Computing (IEEE CIC), October 2016.

  • A. Tyagi, A. Squicciarini, S. Rajtmajer, C. Griffin. An In-Depth Study of Peer Influence on Collective Decision Making for Multi-party Access Control (Invited Paper). International Conference on Information Reuse and Integration (IEEE ICI), July 2016.

  • S. Rajtmajer, C. Griffin and A. Squicciarini. Constrained Social-Energy Minimization for Multi- Party Sharing in Online Social Networks. International Conference on Autonomous and Multiagent Systems (AAMAS), Singapore, May 2016.

  • S. Rajtmajer, C. Griffin and A. Squicciarini. Determining a Discrete Set of Site-Constrained Privacy Options for Users in Social Networks through Stackelberg Games. Conference on Decision and Game Theory for Security (GAMESEC), London, UK, November 2015.

  • C. Griffin, A. Squicciarini, S. Rajtmajer, M. Tentilucci and S. Lin. Site-Constrained Privacy Options for Users in Social Networks through Stackelberg Games. In Proc. Sixth ASE International Conference on Social Computing, May 2014.

  1. A. Squicciarini, S. Rajtmajer, N. Zannone. Multi-Party Access Control: Requirements, State of the Art and Open Challenges. Symposium on Access Control Models and Technologies (SACMAT). June 2018.

  2. N. Gilbert, R. Bernier, V. Calhoun, E. Brenner, E. Grossner, S. Rajtmajer and F. Hillary. Diminished Neural Network Dynamics after Moderate and Severe Traumatic Brain Injury. PLoS One, June 2018. 

  3. J. Semonsen, C. Griffin, A. Squicciarini, S. Rajtmajer. Opinion Dynamics in the Presence of Increasing Agreement Pressure. IEEE Transactions on Cybernetics. February 2018. 

  4. S. Rajtmajer, A. Squicciarini, J. Such, J. Semonsen, and A. Belmonte. An Ultimatum Game Model for the Evolution of Privacy in Jointly Managed Content. Conference on Decision and Game Theory for Security (GAMESEC), October 2017.

  5. C. Qiu, A. Squicciarini, S. Rajtmajer and J. Caverlee. Dynamic Contract Design for Heterogeneous Workers in Crowdsourcing for Quality Control. International Conference on Digital Society (IEEE ICDS), July 2017.

  6. A. Squicciarini, S. Rajtmajer and C. Griffin. Positive and Negative Behavioral Analysis in Social Networks. WIRE Data Mining and Knowledge Discovery, May 2017.

  7. J. Semonsen, C. Griffin, A. Squicciarini, and S. Rajtmajer. Consensus on Social Graphs under Increasing Peer Pressure (Extended Abstract). International Conference on Autonomous Agents and Multiagent Systems (AAMAS), May 2017.

  8. H. Zhong, H. Li, A. Squicciarini, S. Rajtmajer, C. Griffin, D. Miller and C. Caragea. Content- Driven Detection of Cyberbullying on the Instagram Social Network. International Conference on Artificial Intelligence (IJCAI), July 2016.

  9. C. Liao, A. Squicciarini, C. Griffin and S. Rajtmajer. A Hybrid Epidemic Model for Deindividuation and Antinormative Behavior in Online Social Networks. Social Network Analysis and Mining (SNAM), January 2016.

  10. C. Griffin, S. Rajtmajer, and A. Squicciarini.  A Model of Paradoxical Privacy Behavior (Invited paper). International Conference on Collaboration and Internet Computing (IEEE CIC), October 2016.

  11. A. Tyagi, A. Squicciarini, S. Rajtmajer, C. Griffin. An In-Depth Study of Peer Influence on Collective Decision Making for Multi-party Access Control (Invited Paper). International Conference on Information Reuse and Integration (IEEE ICI), July 2016.

  12. S. Rajtmajer, C. Griffin and A. Squicciarini. Constrained Social-Energy Minimization for Multi- Party Sharing in Online Social Networks. International Conference on Autonomous and Multiagent Systems (AAMAS), Singapore, May 2016.

  13. S. Rajtmajer, C. Griffin and A. Squicciarini. Determining a Discrete Set of Site-Constrained Privacy Options for Users in Social Networks through Stackelberg Games. Conference on Decision and Game Theory for Security (GAMESEC), London, UK, November 2015.

  14. C. Liao, A. Squicciarini, C. Griffin and S. Rajtmajer. A Hybrid Epidemic Model for the Spread of Abusive Content in Online Social Sites. In Proc. 2015 IEEE/ACM International Conference on Advances in Social Networks Analysis and Mining (ASONAM), August 2015. 

  15. A. Squicciarini, S. Rajtmajer, Y. Liu and C. Griffin. Identification and Characterization of Cyberbullying Dynamics in an Online Social Network. In Proc. 2015 IEEE/ACM International Conference on Advances in Social Networks Analysis and Mining (ASONAM), August 2015. 

  16. S. Rajtmajer, C. Griffin, D. Mikesell and A. Squicciarini. An Evolutionary Game Model for the Spread of Non-Cooperative Behavior in Online Social Networks. In Proc. 30th ACM Symposium on Applied Computing, April 2015.

  17. S. Rajtmajer, A. Roy, R. Albert, P. Molenaar and F. Hillary. A Voxelwise Approach to Determine Consensus Regions-of-Interest for the Study of Brain Network Plasticity. Frontiers in Neuroanatomy, July 2015. 

  18. F. Hillary, N. Castellanos, R. Bajo and S. Rajtmajer. Hyperconnectivity as a Common Neural Response to Neurological Disorder. Neuropsychology, January 2015.

  19. U. Venkatesan, S. Rajtmajer and F. Hillary. Connectivity modeling and neuroplasticity after trauma. In Plasticity of Cognition in Neurologic Disorders. Oxford University Press, January 2015.

  20. F. Hillary, S. Rajtmajer, C. Roman, J. Medaglia, J. Slocomb, D. Good and G. Wylie. The Rich Get Richer: Brain Injury Elicits Hyperconnectivity in Core Subnetworks. PLoS One, August 2014. 

  21. C. Griffin, A. Squicciarini, S. Rajtmajer, M. Tentilucci and S. Lin. Site-Constrained Privacy Options for Users in Social Networks through Stackelberg Games. In Proc. Sixth ASE International Conference on Social Computing, May 2014.

  22. D. Bein, B. Madan, S. Phoha, S. Rajtmajer and A. Rish. Dynamic Data-Driven Sensor Network Adaptation

  23. for Border Control. In Proc. SPIE Defense, Security and Sensing, April 2013.

  24. S. Rajtmajer, B. Smith and S. Phoha. Non-Negative Sparse Autoencoder Neural Networks for the Detection of Overlapping, Hierarchical Communities in Networked Datasets. Chaos, December 2012. 

  25. S. Rajtmajer and D. Vukicevic. A Note on the Estrada Communicability Algorithm for Community Structure Detection in Complex Networks. Applied Mathematics and Computation, December 2010. 

  26. D. Vukicevic, S. Rajtmajer and N. Trinajstic. Trees with Maximal Second Zagreb Index and Prescribed Number of Vertices of Given Degree. MATCH Communications in Mathematical and Computer Chemistry, January 2008. 

  27. D. Vukicevic, J. Sedlar and S. Rajtmajer. A Graph-Theoretical Method for the Partial Ordering of Alkanes. Croatica Chemica Acta 80: 169-179, February 2007. 

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