DATASET MIGRATED FROM FIGSHARE:
This dataset comprises 500 peer-reviewed circular economy (CE) definitions, annotated with extracted themes within and beyond the R-strategies (R0–R9) using a rule-based Natural Language Processing (NLP) model. Each definition is accompanied by its publication year and reference source, enabling temporal analysis of CE conceptual evolution. The dataset includes:
Original CE definitions from academic sources
Publication year for temporal trend analysis
Reference information for citation tracking
Detected R-strategies (R0–R9) based on predefined keyword lists
Extracted themes beyond R-strategies (e.g., economic growth, social equity, eco-innovation)
The dataset supports statistical, thematic, and trend analyses of CE definitions, providing insights into integrating sustainability dimensions over time.