Who's Who of AI

Fernando Diaz

279 trust researcher @841io.bsky.social · 1,752 followers

Associate Professor, CMU. Researcher, Google. Evaluation and design of information retrieval and recommendation systems, including their societal impacts.

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Articles & links

Nice work led by @teknology.bsky.social where we develop a memory system to support a heterogeneous population of independently acting agents by sharing experience through retrieval/personalization, contrasting it with memory confined to a single agent or cooperative team. arx…

Multi-Agent Transactive Memory arxiv.org

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View on Bluesky · ♥ 4 ↻ 2 ↩ 0 · 2 from the directory shared this · 16d ago

Please try to look deeper than success rate for agent evaluation. Thank you. arxiv.org/abs/2606.17541

Offline Preference-Based Trajectory Evaluation arxiv.org

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Fernando Diaz argues success-only metrics tie agent comparisons on roughly 75% of instances, gutting statistical power.
His preference-based trajectory evaluation compares progress and time-to-return profiles, cutting ties to roughly 35%.
The paper suggests apparent benchmark saturation may reflect the evaluation measure, not exhausted data or problems.

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View on Bluesky · ♥ 2 ↻ 1 ↩ 1 · 2 from the directory shared this · 6d ago

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