Author

Tanmoy Chakraborty

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#natural language process... Apr 2026

Co-FactChecker: A Framework for Human-AI Collaborative Claim Verification Using Large Reasoning Models

Co-FactChecker is proposed, a framework for human-AI collaborative claim verification that translates expert feedback into trace-edits that introduce targeted modifications to the trace, sidestepping the shortcomings of dialogue-based interaction.

Dhruv Sahnan, Subhabrata Dutta, Tanmoy Chakraborty et al. · arXiv.org · 1 citation

Jul 2026

Sparse Autoencoders Encode Both Concepts and Functions: The Downstream Geometry of Feature Effects

FEGA is introduced, an unsupervised framework that removes the same active SAE feature across contexts and analyzes the resulting cloud of logit changes, showing that a feature can be interpretable and causally relevant without providing a stable direction for steering.

Phu Gia Hoang, Anwoy Chatterjee, Tanmoy Chakraborty et al. · arXiv.org · 0 citations