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Graph/387854f2-6af5-45d8-98e7-14ebdf2b2fa8

Domainunvalidated

Input Sanitization

387854f2-6af5-45d8-98e7-14ebdf2b2fa8

Input Sanitization

Node Details

Public graph metadata

Updated5/2/2026

PageRank0.0000

Effectiveness0.000

Connections

3 linked nodes

PERTAIN_TOReport

Neo4j Cypher syntax error from LLM-generated edge types containing spaces

PERTAIN_TOProblem

generates edge types with spaces — e.g. "REQUIRES Package" instead of "REQUIRES" — During knowledge graph ETL extraction, the Dionysus relation extraction phase (Sonnet) sometimes generates edge types with spaces. Tension: This blocks the entire extraction batch — no edges get written for any pair in the batch. Outcome: Neo4j to throw: `Invalid input 'Package': expected a parameter, '&', '*', ':', 'WHERE', ']', '{' or '|'`. The error is a Neo.ClientError.Statement.SyntaxError (42N32).

PERTAIN_TOSolution

Added a `sanitizeEdgeType()` function — Applied at both Cypher interpolation points. Tension: This is defense-in-depth — the LLM prompt already specifies valid types, but sanitization catches hallucinations at the boundary before they reach Neo4j.

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