Search Results for author: Yongsu Ahn

Found 6 papers, 2 papers with code

Break Out of a Pigeonhole: A Unified Framework for Examining Miscalibration, Bias, and Stereotype in Recommender Systems

no code implementations29 Dec 2023 Yongsu Ahn, Yu-Ru Lin

Despite the benefits of personalizing items and information tailored to users' needs, it has been found that recommender systems tend to introduce biases that favor popular items or certain categories of items, and dominant user groups.

Movie Recommendation Recommendation Systems

HungerGist: An Interpretable Predictive Model for Food Insecurity

no code implementations18 Nov 2023 Yongsu Ahn, Muheng Yan, Yu-Ru Lin, Zian Wang

The escalating food insecurity in Africa, caused by factors such as war, climate change, and poverty, demonstrates the critical need for advanced early warning systems.

VISPUR: Visual Aids for Identifying and Interpreting Spurious Associations in Data-Driven Decisions

1 code implementation26 Jul 2023 Xian Teng, Yongsu Ahn, Yu-Ru Lin

Through an expert interview and a controlled user experiment, our qualitative and quantitative results demonstrate that the proposed "de-paradox" workflow and the designed visual analytic system are effective in helping human users to identify and understand spurious associations, as well as to make accountable causal decisions.

Decision Making

Tribe or Not? Critical Inspection of Group Differences Using TribalGram

no code implementations16 Mar 2023 Yongsu Ahn, Muheng Yan, Yu-Ru Lin, Wen-Ting Chung, Rebecca Hwa

With the rise of AI and data mining techniques, group profiling and group-level analysis have been increasingly used in many domains including policy making and direct marketing.

Interpretable Machine Learning Marketing

ESCAPE: Countering Systematic Errors from Machine's Blind Spots via Interactive Visual Analysis

no code implementations16 Mar 2023 Yongsu Ahn, Yu-Ru Lin, Panpan Xu, Zeng Dai

Classification models learn to generalize the associations between data samples and their target classes.

FairSight: Visual Analytics for Fairness in Decision Making

1 code implementation1 Aug 2019 Yongsu Ahn, Yu-Ru Lin

Data-driven decision making related to individuals has become increasingly pervasive, but the issue concerning the potential discrimination has been raised by recent studies.

Decision Making Fairness

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