ReCBM: Uncertainty-Gated Relational Reasoning for Concept Bottleneck Models

• URL: http://arxiv.org/abs/2608.10004v1
• Date: Fri, 07 Aug 2026 19:59:47 GMT
• Title: ReCBM: Uncertainty-Gated Relational Reasoning for Concept Bottleneck Models
• Abstract summary: Concept Bottleneck Models (CBMs) provide an interpretable framework by grounding predictions in human-understandable concepts.<n>Recent variants have improved CBMs through richer concept representations, uncertainty estimation, and dependency modeling.<n>We propose ReCBM, an uncertainty-gated relational reasoning framework for CBMs.
• Score: 16.64288013782432
• License: http://arxiv.org/licenses/nonexclusive-distrib/1.0/
• Abstract: Concept Bottleneck Models (CBMs) provide an interpretable framework by grounding predictions in human-understandable concepts, enabling semantic inspection and test-time intervention. Recent variants have improved CBMs through richer concept representations, uncertainty estimation, and dependency modeling. However, robust reasoning under unreliable concept states remains underexplored. Without such reasoning, misleading semantic evidence can propagate through the bottleneck, compromising both explanations and downstream predictions. To address this issue, we propose ReCBM, an uncertainty-gated relational reasoning framework for CBMs. ReCBM introduces semantically defined concept relations into the bottleneck and uses uncertainty to guide their refinement. By modeling co-occurrence, implication, and exclusion, ReCBM specifies how evidence is exchanged across concepts, while uncertainty modulates the contribution of each concept during this process. Experiments across diverse datasets showed that ReCBM improved concept and task recovery under missing and flipped concepts, supported uncertainty-aware intervention, and extracted compact task-relevant concept subsets without degrading downstream performance.

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