2025

Plan-Then-Execute: An Empirical Study of User Trust and Team Performance When Using LLM Agents As A Daily Assistant.
Gaole He, Gianluca Demartini, Ujwal Gadiraju.
In Proceedings of the ACM International Conference on Human Factors in Computing Systems (CHI 2025).

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🏅Unpacking Trust Dynamics in the LLM Supply Chain: An Empirical Exploration to Foster Trustworthy LLM Production & Use. 🏅
Agathe Balayn, Mireia Yurrita, Fanny Rancourt, Fabio Casati, Ujwal Gadiraju.
In Proceedings of the ACM International Conference on Human Factors in Computing Systems (CHI 2025).
Best Paper Honourable Mention Award

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Mind the Gap! Choice Independence in Using Multilingual LLMs for Persuasive Co-Writing Tasks in Different Languages.
Shreyan Biswas, Alexander Erlei, Ujwal Gadiraju.
In Proceedings of the ACM International Conference on Human Factors in Computing Systems (CHI 2025).

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Towards Effective Human Intervention in Algorithmic Decision-Making: Understanding the Effect of Decision-Makers’ Configuration on Decision-Subjects’ Fairness Perceptions.
Mireia Yurrita, Himanshu Verma, Agathe Balayn, Ujwal Gadiraju, Sylvia Pont, Alessandro Bozzon.
In Proceedings of the ACM International Conference on Human Factors in Computing Systems (CHI 2025).

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Is Conversational XAI All You Need? Human-AI Decision Making With a Conversational XAI Assistant.
Gaole He, Nilay Aishwarya, Ujwal Gadiraju.
In Proceedings of the 30th ACM International Conference on Intelligent User Interfaces (IUI 2025).

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Identifying Algorithmic Decision Subjects’ Needs for Meaningful Contestability.
Mireia Yurrita, Himanshu Verma, Agathe Balayn, Kars Alfrink, Ujwal Gadiraju, Alessandro Bozzon.
In Proceedings of the ACM on Human-Computer Interaction (CSCW 2025).

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🏅Quo Vadis, HCOMP? A Review of 12 Years of Research at the Frontier of Human Computation and Crowdsourcing. 🏅
Jonas Oppenlaender, Ujwal Gadiraju, Simo Hosio.
In Proceedings of the Collective Intelligence Conference (CI 2025).
Best Paper Honourable Mention Award

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🏅Should We Tailor the Talk? Understanding the Impact of Conversational Styles on Preference Elicitation in Conversational Recommender Systems. 🏅
Ivica Kostric, Krisztian Balog, Ujwal Gadiraju.
In Proceedings of the 33rd ACM Conference on User Modeling, Adaptation and Personalization (UMAP 2025).
Nominated for the Best Paper Award

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“Even Explanations Will Not Help in Trusting [this] Fundamentally Biased System”: A Predictive Policing Case-Study.
Siddharth Mehrotra, Ujwal Gadiraju, Eva Bittner, Folkert van Delden, Catholijn M. Jonker, Myrthe L. Tielman.
In Proceedings of the 33rd ACM Conference on User Modeling, Adaptation and Personalization (UMAP 2025).

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Making the Switch: Towards Intelligent Integration of Gestures As an Input Modality for Microtask Crowdsourcing.
Garrett Allen, Ujwal Gadiraju.
In Proceedings of the 4th Annual Meeting of the Symposium on Human-Computer Interaction for Work.

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HealthInsights: An Online Conversational Survey for Understanding Worker Health in Crowdsourcing Platforms.
Sihang Qiu, Ujwal Gadiraju, Xiaolong Zheng.
In Proceedings of the 4th Annual Meeting of the Symposium on Human-Computer Interaction for Work.

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Harmful Impacts of ML: Empirically Triangulating the Concerns and
Practices of Developers.
Agathe Balayn, Ujwal Gadiraju.
In Proceedings of the Fourth European Workshop on Algorithmic Fairness
(EWAF 2025).

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