The Authority Index

Dr. Elena Markov

Lead Research Analyst

Dr. Elena Markov specializes in AI engine analysis and citation behavior research. Her work focuses on how large language models evaluate sources, select citations, and assign authority in AI-generated answers. At The Authority Index, she leads multi-engine benchmark studies and visibility scoring research.

Research by Dr. Elena Markov

  1. Who Wins the Pricing War? Comparative Citation Share in ChatGPT

    Research-led analysis of Citation Share in ChatGPT pricing queries: how citations are distributed, how to measure share, and what improves it reliably.

    2/26/2026 | Engine Analysis