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- research-articleJune 2024
Disentangling Web Search on Debated Topics: A User-Centered Exploration
UMAP '24: Proceedings of the 32nd ACM Conference on User Modeling, Adaptation and PersonalizationPages 24–35https://doi.org/10.1145/3627043.3659559When using web search engines to conduct inquiries on debated topics, searchers’ interactions with search results are commonly affected by a combination of searcher and system biases. While prior work has mainly investigated these biases in isolation, ...
- ArticleMarch 2024
Responsible Opinion Formation on Debated Topics in Web Search
- Alisa Rieger,
- Tim Draws,
- Nicolas Mattis,
- David Maxwell,
- David Elsweiler,
- Ujwal Gadiraju,
- Dana McKay,
- Alessandro Bozzon,
- Maria Soledad Pera
AbstractWeb search has evolved into a platform people rely on for opinion formation on debated topics. Yet, pursuing this search intent can carry serious consequences for individuals and society and involves a high risk of biases. We argue that web search ...
- research-articleMarch 2024
Nudges to Mitigate Confirmation Bias during Web Search on Debated Topics: Support vs. Manipulation
ACM Transactions on the Web (TWEB), Volume 18, Issue 2Article No.: 27, Pages 1–27https://doi.org/10.1145/3635034When people use web search engines to find information on debated topics, the search results they encounter can influence opinion formation and practical decision-making with potentially far-reaching consequences for the individual and society. However, ...
- research-articleMarch 2024
From Potential to Practice: Intellectual Humility During Search on Debated Topics
CHIIR '24: Proceedings of the 2024 Conference on Human Information Interaction and RetrievalPages 130–141https://doi.org/10.1145/3627508.3638306An essential characteristic for unbiased and diligent information-seeking that can enable informed opinion formation and decision-making is intellectual humility (IH), the awareness of the limitations of one’s knowledge and opinions. While researchers ...
- research-articleJune 2023
Evaluating explainable social choice-based aggregation strategies for group recommendation
- Francesco Barile,
- Tim Draws,
- Oana Inel,
- Alisa Rieger,
- Shabnam Najafian,
- Amir Ebrahimi Fard,
- Rishav Hada,
- Nava Tintarev
User Modeling and User-Adapted Interaction (KLU-USER), Volume 34, Issue 1Pages 1–58https://doi.org/10.1007/s11257-023-09363-0AbstractSocial choice aggregation strategies have been proposed as an explainable way to generate recommendations to groups of users. However, it is not trivial to determine the best strategy to apply for a specific group. Previous work highlighted that ...
- Work in ProgressApril 2023
Searching for the Whole Truth: Harnessing the Power of Intellectual Humility to Boost Better Search on Debated Topics
CHI EA '23: Extended Abstracts of the 2023 CHI Conference on Human Factors in Computing SystemsArticle No.: 248, Pages 1–8https://doi.org/10.1145/3544549.3585693We often use search engines when seeking information for opinion-forming and decision-making on debated topics. However, searching for resources on debated topics to gain well-rounded knowledge is cognitively demanding, leaving us vulnerable to ...
- ArticleApril 2023
Viewpoint Diversity in Search Results
- Tim Draws,
- Nirmal Roy,
- Oana Inel,
- Alisa Rieger,
- Rishav Hada,
- Mehmet Orcun Yalcin,
- Benjamin Timmermans,
- Nava Tintarev
AbstractAdverse phenomena such as the search engine manipulation effect (SEME), where web search users change their attitude on a topic following whatever most highly-ranked search results promote, represent crucial challenges for research and industry. ...
- research-articleJuly 2022
Fairness in Agreement With European Values: An Interdisciplinary Perspective on AI Regulation
- Alejandra Bringas Colmenarejo,
- Luca Nannini,
- Alisa Rieger,
- Kristen M. Scott,
- Xuan Zhao,
- Gourab K Patro,
- Gjergji Kasneci,
- Katharina Kinder-Kurlanda
AIES '22: Proceedings of the 2022 AAAI/ACM Conference on AI, Ethics, and SocietyPages 107–118https://doi.org/10.1145/3514094.3534158With increasing digitalization, Artificial Intelligence (AI) is becoming ubiquitous. AI-based systems to identify, optimize, automate, and scale solutions to complex economic and societal problems are being proposed and implemented. This has motivated ...
- research-articleJuly 2022
Towards Healthy Engagement with Online Debates: An Investigation of Debate Summaries and Personalized Persuasive Suggestions
UMAP '22 Adjunct: Adjunct Proceedings of the 30th ACM Conference on User Modeling, Adaptation and PersonalizationPages 192–199https://doi.org/10.1145/3511047.3537692Online debates allow for large-scale participation by users with different opinions, values, and backgrounds. While this is beneficial for democratic discourse, such debates often tend to be cognitively demanding due to the high quantity and low ...
- extended-abstractJuly 2022
Interactive Interventions to Mitigate Cognitive Bias
UMAP '22: Proceedings of the 30th ACM Conference on User Modeling, Adaptation and PersonalizationPages 316–320https://doi.org/10.1145/3503252.3534362While the web offers a great potential to find and share information, the cognitively demanding conditions of online interactions can leave users vulnerable to cognitive biases, such as the confirmation bias – the tendency to favor information that ...
- research-articleAugust 2021Best Paper
This Item Might Reinforce Your Opinion: Obfuscation and Labeling of Search Results to Mitigate Confirmation Bias
HT '21: Proceedings of the 32nd ACM Conference on Hypertext and Social MediaPages 189–199https://doi.org/10.1145/3465336.3475101During online information search, users tend to select search results that confirm previous beliefs and ignore competing possibilities. This systematic pattern in human behavior is known as confirmation bias. In this paper, we study the effect of ...
- research-articleJanuary 2020
The RoPE scale: a measure of how empathic a robot is perceived
HRI '19: Proceedings of the 14th ACM/IEEE International Conference on Human-Robot InteractionPages 656–657To be accepted in our everyday life and to be valuable interaction partners, robots should be able to display emotional and empathic behaviors. That is why there has been a great focus on developing empathy in robots in recent years. However, there is no ...