Where Did It Go Wrong? Capability-Oriented Failure Attribution for Vision-and-Language Navigation Agents

📰 ArXiv cs.AI

Learn to attribute failures in Vision-and-Language Navigation Agents using a capability-oriented approach, improving debugability and reliability in safety-critical applications

advanced Published 29 Apr 2026
Action Steps
  1. Identify interdependent capabilities in Vision-and-Language Navigation Agents, such as perception, memory, planning, and decision-making
  2. Apply capability-oriented testing to detect failures and localize deficiencies
  3. Analyze failure attribution to determine which capability deficiencies cause task failures
  4. Use the insights gained to improve the design and development of Vision-and-Language Navigation Agents
  5. Implement targeted testing and debugging strategies to address specific capability deficiencies
Who Needs to Know This

Researchers and engineers working on embodied agents, particularly in Vision-Language Navigation, can benefit from this approach to identify and address capability deficiencies, leading to more reliable and efficient systems

Key Insight

💡 Capability-oriented failure attribution enables targeted debugging and improvement of Vision-and-Language Navigation Agents

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🚀 Improve Vision-and-Language Navigation Agents with capability-oriented failure attribution! 🤖

Key Takeaways

Learn to attribute failures in Vision-and-Language Navigation Agents using a capability-oriented approach, improving debugability and reliability in safety-critical applications

Full Article

Title: Where Did It Go Wrong? Capability-Oriented Failure Attribution for Vision-and-Language Navigation Agents

Abstract:
arXiv:2604.25161v1 Announce Type: cross Abstract: Embodied agents in safety-critical applications such as Vision-Language Navigation (VLN) rely on multiple interdependent capabilities (e.g., perception, memory, planning, decision), making failures difficult to localize and attribute. Existing testing methods are largely system-level and provide limited insight into which capability deficiencies cause task failures. We propose a capability-oriented testing approach that enables failure detection
Read full paper → ← Back to Reads

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