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Knowledge Graph

Reference implementation for Reasonable Ontology Templates (OTTR)

MCP server and CLI for bounded Wikidata search, optional Google Knowledge Graph cross-checks and deterministic entity resolution for AI agents (Claude Code, Cursor, Codex). PyPI: wikidata-google-knowledge-mcp. Docs: https://wikidata-google-knowledge-mcp-1be269.gitlab.io/

ApolloCore is a self-contained, embeddable knowledge base that runs 100% locally with no external API dependencies. It combines vector search, keyword search, knowledge graphs, entity extraction, and LLM-powered query enhancement into a single high-performance C++23 library.

Hypothesis Discovery on RDF Knowledge Graphs