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Interpretability

As explained in Knowledge Graphs and LLMs in Action

The provision of understandable evidence or reasoning that allows people to inspect and validate an artificial intelligence system's outputs.

Interpretability makes AI outputs inspectable by exposing the evidence, relationships, and reasoning behind them. Knowledge graphs support this by organizing extracted facts into verifiable structures rather than leaving answers inside an opaque model. section 6.4 section 1.3

A practical interpretability workflow can:

  • Trace an answer through ontology relationships and information paths. section 7.4.2
  • Expose supporting documents and structured facts for inspection. section 6.4
  • Represent conflicting sources and validate or challenge apparent connections. section 6.4 section 7.4.2

Diabetes and pancreatic islets

A graph can show why type 1 diabetes and islets of Langerhans are connected, distinguish synonymous or ambiguous entity names, and let users follow the relevant ontology path into supporting documents. section 7.4.2

Figure 1.5 Summary of how LLMs and KGs can complement each other. Inspired by [11].
figure

Use the complementarity diagram to inspect how language models add natural-language querying while knowledge graphs preserve traceable, structured reasoning. section 1.3

How Knowledge Graphs and LLMs in Action covers it

How deep it goes
Explains traceable graph paths, conflicting sources, and ontology-based discovery without detailing model-internal computation.
Examples
Uses diabetes, pancreatic islets, ontology paths, document retrieval, and graph-based views of unusual disease co-occurrences.
What you can do after
Evaluate and validate AI findings by following structured relationships, inspecting sources, and comparing competing interpretations.
How it connects
Connects interpretability with knowledge graphs, ontologies, large language models, GraphRAG, and retrieval-augmented generation.

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