What is Knowledge Graph?

Explained

A knowledge graph represents information as a network of entities and their relationships. It enhances retrieval and reasoning in RAG by capturing structure and semantics beyond plain text.

Related terms

• RAG Retrieve relevant documents and use them as context to generate the answer.
• Retrieval Search phase that fetches relevant documents or passages for a query.
• Big Data Large volumes of data requiring specialized tools; feedstock for training AI models.
• Context Engineering Designing what the model sees—retrieval, memory, summaries, and window budgeting.
• Corpus Collection of documents used to train or feed a system (e.g., RAG).
• Data Lake Repository that stores raw data; source for analytics and ML.