Stepwise supplement: results of rule-based mappings, validations, and indices (CE–SDG Framework)

This supplementary file provides detailed results and documentation of the stepwise development, validation, and analysis process for the rule-based mapping of Circular Economy (CE) indicators to the Sustainable Development Goals (SDGs). It ensures full transparency, reproducibility, and traceability of the framework, aligned with the STAI³RS principles.
The file includes:
Initial Keyword List (Post-Internal Refinement) – The list of keywords developed after internal expert review.Round 1 Mapping Results – Rule-based NLP mapping results using the initial keyword list.Prompt-Grounded Mapping Results – Outputs from ChatGPT-4o used as a second validation layer.Discrepancy Detection: Round 1 vs AI-Assisted Mapping – Identification of mismatches between the two rounds.Discrepancy Analysis Summary – A concise summary of SDG- and match-level differences and resolution steps.Annotated Initial Keyword List – Marked changes made following the second validation layer.Updated Keyword List – The final refined list of keywords post-validation.Keyword Coverage and Frequency Analysis – Analytical insights into keyword effectiveness and distribution.Detailed Results for Baseline SDG Coverage Index (BSCI) – Full results of the baseline index calculations.Detailed Results for SDG Coverage Strength Index (SCSI) and Sensitivity Analysis – Comprehensive reporting of the robustness metrics and sensitivity outcomes.