S. . Melnyk, “Safe Observability: A Framework for Automated PII Redaction from LLM Prompts in OpenTelemetry Pipelines”, IJC, vol. 56, no. 1, pp. 267–278, Dec. 2025, Accessed: Jan. 09, 2026. [Online]. Available: https://ijcjournal.org/InternationalJournalOfComputer/article/view/2458