The Authority Index

Sofia Laurent

Head of Experimental Research

Sofia leads controlled experiments on prompt sensitivity, source diversity, and ranking signal interactions across major AI answer engines.

Research by Sofia Laurent

  1. Retrieval Prompt Variants: Experiment Log

    An experiment log documenting prompt framing effects on citation precision and source overlap.

    2/12/2026 | Experiments

  2. Comparing Gemini and Claude Citation Patterns

    A side-by-side review of source repetition, citation depth, and mention diversity.

    1/28/2026 | Engine Analysis