# Gradient SEO > The Journal of Machine Learning, Information Retrieval, Generative Engine Optimization (GEO) & Next-Gen Search Architecture. ## Core Focus Areas - Google Algorithm Updates & Deep Forensic Audits (Core, Spam, Helpful Content) - Information Retrieval (IR) & Dense Vector Embeddings (BM25 vs Vector Search, HNSW, Cross-Encoders) - Generative Engine Optimization (GEO) & Answer Engine Optimization (AEO) - AI Agent Traversal Mechanics (Perplexity, SearchGPT, Claude, Gemini AI Overviews) - Mathematical & Patent Analysis (NavBoost, Twiddler, RankEmbed) ## Articles Index - [Deploying Local Model Context Protocol (MCP) Servers for Site Architecture Audits](https://gradientseo.com/blog/deploying-seo-mcp-servers/): A practical engineering guide to creating FastMCP servers in Python that expose Google Search Console, Screaming Frog crawls, and server logs directly to Claude Code. - [Google Core Update Forensic Teardowns: What 100 Penalized Domains Have in Common](https://gradientseo.com/blog/google-core-update-forensics/): An empirical forensic investigation of 100 domains impacted by recent Google Core Updates: analyzing site reputation abuse, parasite SEO decay, and classifier thresholds. - [The Mechanics of Source Citation in Google AI Overviews: How Cross-Encoder Rerankers Evaluate Entity Prominence](https://gradientseo.com/blog/source-citation-ai-overviews/): A reverse-engineering of Google’s multi-stage neural retrieval pipeline: how NavBoost click logs, Dense Passage Retrieval, and Cross-Encoder rerankers select sources for AI Overviews. - [Constructing Mathematically Sound Topical Maps for Google Semantic Graph](https://gradientseo.com/blog/topical-maps-semantic-graph/): A deep-dive into Koray Tuğberk GÜBÜR’s topical authority frameworks: entity reconciliation, contextual vector angles, and internal PageRank distribution. ## Author & Governance - Publisher: Gradient SEO Technical Editorial Desk - Verification: Google Cloud Natural Language Entity Validated - Canonical URL: https://gradientseo.com