Semantica

Semantica is an open-source semantic layer and knowledge engineering framework bridging the gap between raw unstructured data and AI-ready knowledge systems. Modern AI applications (RAG, agents, multi-agent systems) require structured semantic knowledge with relationships, ontologies, and context—but existing tools process data as isolated documents without understanding semantic connections.

Semantica transforms unstructured data (PDFs, emails, web, databases) into production-ready knowledge graphs through a complete pipeline: universal data ingestion (50+ formats), semantic extraction (entities, relationships, events), automatic ontology generation via 6-stage LLM pipeline, knowledge graph construction with conflict resolution, and GraphRAG combining vector search with graph traversal for 30% accuracy gains.

The framework is MIT-licensed, production-ready with 29 modules covering ingestion, parsing, semantic extraction, graph construction, reasoning, quality assurance, and AI application integration.