From Points to Coalitions: Hierarchical Contrastive Shapley Values for Prioritizing Data Samples
PositiveArtificial Intelligence
- A new framework called Hierarchical Contrastive Data Valuation (HCDV) has been proposed to address the challenges of quantifying the value of training examples in large and heterogeneous datasets. This three-stage approach includes learning a geometry-preserving representation, organizing data into a hierarchy of clusters, and assigning Shapley-style payoffs through local Monte-Carlo games, significantly reducing computational complexity.
- The introduction of HCDV is significant as it enhances the efficiency of data valuation in machine learning, allowing for better prioritization of training samples that improve decision boundaries while managing outliers effectively.
- This development aligns with ongoing discussions in the field regarding fairness and interpretability in machine learning, as researchers explore various frameworks to ensure that model predictions are both accurate and equitable, reflecting a growing emphasis on responsible AI practices.
— via World Pulse Now AI Editorial System
