# Fodda: The AI Context Layer > Nourishing AI with trusted human insight through expert-built context graphs. ## Core Purpose Fodda is a marketplace for "Perspective Engines." We provide structured knowledge graphs (RDF/JSON-LD) that add human expertise and logic to LLM reasoning, solving the problem of "probabilistic averaging" in generic AI models. ## Key Resources - [SIC Graph](https://www.fodda.ai/#/graphs/sic): Contemporary intelligence across brand and culture by Ben Dietz. - [Waldo Trends Graph](https://www.fodda.ai/#/graphs/waldo-trends): Multi-industry trend intelligence. - [PSFK Retail Graph](https://www.fodda.ai/#/graphs/psfk-retail): Commerce and CX context. - [PSFK Beauty Graph](https://www.fodda.ai/#/graphs/psfk-beauty): Biotech and efficacy context. - [PSFK Sports Graph](https://www.fodda.ai/#/graphs/psfk-sports): Fandom and media platform context. - [Public Beliefs Baseline](https://www.fodda.ai/#/graphs/pew-baseline): Grounding layer based on Pew Research Center data. - [Snowflake Dataset](https://www.fodda.ai/#/snowflake): Curated trend data for enterprise evaluation and integration. - [Vertex AI Integration](https://www.fodda.ai/#/vertex-ai-setup-guide): Setup guide for Google Gemini Enterprise. - [API Manifest](https://www.fodda.ai/catalog.json): Machine-readable catalog of all available context layers. ## Technical Standards - **Standard**: Knowledge Graphs (RDF/JSON-LD) - **Delivery**: REST API, GraphQL, and Vertex AI Tools. - [Explainability](https://www.fodda.ai/#/blog/knowledge-graphs-vs-chatgpt): Every output includes source provenance and expert-vetted evidence links. - [Blog & Perspectives](https://www.fodda.ai/#/blog): Deep dives into the methodology and philosophy of Context-First AI. For full technical documentation, see [llms-full.txt](https://www.fodda.ai/public/llms-full.txt).