Python code for rule-based NLP extraction of keywords from circular economy definitions

This repository provides Python code and a dataset for a rule-based NLP analysis of 500 peer-reviewed circular economy definitions. The Python script enables automated keyword extraction to identify 10R strategies (R0-R9) and beyond, offering structured insights into CE definitions. ChatGPT 4o is used for optimization and debugging. Key Features✅ Python-based rule-based NLP model for keyword extraction.✅ Google Colab-ready script for real-time text analysis.✅ Dataset of 500 analyzed CE definitions with extracted R-strategy and sustainability-related keywords.✅ Manual & user guide to ensure easy reproducibility.