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

Engine Analysis

Optimizing for Claude: Technical docs that drive B2B mentions

Technical documentation format can determine Claude brand mentions in B2B queries. Learn how to structure long docs for citations, clicks, and demos in 2026.

Dr. Elena Markov3/25/2026
Engine Analysis

The Recommendation Gap: Why ChatGPT and Claude Cite Different Brands

AI recommendation analysis of why ChatGPT and Claude cite different brands, how to measure citation coverage, and how to design content that earns clicks.

Dr. Elena Markov3/21/2026
Engine Analysis

Solving Citation Decay: Why LLMs Ignore Your Documentation and How to Fix It

LLM Citation Analysis guide for 2026: diagnose why Claude and ChatGPT skip your docs, measure citation decay, and apply fixes that earn citations and clicks.

Dr. Elena Markov3/18/2026
Engine Analysis

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.

Dr. Elena Markov2/26/2026