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portfolio

publications

Response Quality Assessment for Retrieval-Augmented Generation via Conditional Conformal Factuality

Published in SIGIR 2025

Naihe Feng, Yi Sui, Shiyi Hou, Jesse C. Cresswell, Ga Wu

TL;DR: Combines retrieval signals with conformal prediction to filter claims in RAG-generated answers, providing group-conditional reliability guarantees under the method’s assumptions while retaining useful factual content.

Paper | Code | DOI

Recommended citation: Naihe Feng, Yi Sui, Shiyi Hou, Jesse C. Cresswell, and Ga Wu. 2025. Response Quality Assessment for Retrieval-Augmented Generation via Conditional Conformal Factuality. Proceedings of the 48th International ACM SIGIR Conference on Research and Development in Information Retrieval, 2832–2836. DOI: 10.1145/3726302.3730244.

Conformal Agent Error Attribution

Accepted at NeurIPS 2026 (to appear)

Naihe Feng, Yi Sui, Shiyi Hou, Ga Wu, Jesse C. Cresswell

Naihe Feng and Yi Sui contributed equally.

TL;DR: Uses conformal prediction to identify regions of an agent’s execution trace containing the decisive error, with calibrated coverage under exchangeability, to support debugging and rollback.

Paper | Code

Recommended citation: Naihe Feng, Yi Sui, Shiyi Hou, Ga Wu, and Jesse C. Cresswell. 2026. Conformal Agent Error Attribution. Accepted at NeurIPS 2026; to appear.

CRAMER: Control via Request-Aware Masking for Editing Recommenders

Published in ICML 2026

Zhiyuan Su, Naihe Feng, Luther Qin, Ga Wu

TL;DR: Adapts a frozen sequential recommender to natural-language requests using request-conditioned parameter masks, without retraining the recommendation backbone.

Paper | Code

Recommended citation: Zhiyuan Su, Naihe Feng, Luther Qin, and Ga Wu. 2026. CRAMER: Control via Request-Aware Masking for Editing Recommenders. Proceedings of the 43rd International Conference on Machine Learning, PMLR 306:115995–116015.

talks

teaching

Teaching experience 1

Undergraduate course, University 1, Department, 2014

This is a description of a teaching experience. You can use markdown like any other post.

Teaching experience 2

Workshop, University 1, Department, 2015

This is a description of a teaching experience. You can use markdown like any other post.